US20170224654A1 - Pharmaceutical compositions and methods for countering chemotherapy induced cardiotoxicity - Google Patents

Pharmaceutical compositions and methods for countering chemotherapy induced cardiotoxicity Download PDF

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US20170224654A1
US20170224654A1 US15/424,743 US201715424743A US2017224654A1 US 20170224654 A1 US20170224654 A1 US 20170224654A1 US 201715424743 A US201715424743 A US 201715424743A US 2017224654 A1 US2017224654 A1 US 2017224654A1
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pharmaceutical composition
cancer
protective agent
agent
subject
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Christopher G. Armstrong
Kevin J. Kim
Lisa Maria Lucia Pham
Eunhye PARK
Zhong Zhong
Guanyi Huang
Joseph C. Wu
Sidney Paul Elmer
Viwat Visuthikraisee
Eithon Michael G Cadag
Thomas Bernard Freeman
Pek Yee Lum
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Stem Cell Theranostics Inc
Capella Biosciences Inc
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Stem Cell Theranostics Inc
Capella Biosciences Inc
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Assigned to STEM CELL THERANOSTICS, INC., reassignment STEM CELL THERANOSTICS, INC., ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: ARMSTRONG, CHRISTOPHER G., HUANG, Guanyi, KIM, KEVIN J., WU, JOSEPH C., PARK, Eunhye, ZHONG, ZHONG
Assigned to Capella Biosciences, Inc. reassignment Capella Biosciences, Inc. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: CADAG, EITHON MICHAEL G, ELMER, SIDNEY PAUL, FREEMAN, THOMAS BERNARD, LUM, PEK YEE, PHAM, Lisa Maria Lucia, VISUTHIKRAISEE, Viwat
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Definitions

  • Cardiotoxicity and congestive heart failure are serious side-effects of oncological therapies, most prominently those comprising anthracyclines, which are administered to greater than one million cancer patients per year and half of all childhood cancer patients.
  • Adverse cardiac side effects are also observed in patients treated with protein kinase inhibitors and antibody-based biologics that target protein kinase.
  • Certain reductions in heart failure rates have been achieved by capping the maximal doses of anthracyclines and by changing their administration schedules, all of which severely limits the therapeutic potentials of these anticancer agents.
  • the cardiotoxicity of cancer drugs can also preclude those patients with pre-existing cardiac conditions from receiving treatment.
  • Anthracyclines are generally a class of compounds that have the structural core of anthracene. They often are highly effective chemotherapeutics and therefore are used for the treatment of many cancers, including leukemias, lymphomas, breast, uterine, ovarian, bladder cancer, and lung cancers and are often used in childhood cancer treatment regimens.
  • Some anthracycline drugs include doxorubicin, daunorubicin, idarubicin, and epirubicin.
  • anthracyclines have been reported to work by inhibiting DNA and RNA synthesis; promoting free radical formation through redox cycling, with iron promoting the conversion of superoxide into hydroxyl radicals; inhibiting topoisomerases (e.g., topoisomerases II ⁇ and/or II ⁇ ); and evicting histones from open chromosomal areas.
  • Cardiotoxicity A common side effect of anthracycline use is associated with cardiotoxicity, which is dose dependent and may also result from cumulative exposures. Cardiotoxicity, in some instances, may result from the formation of toxic reactive oxygen species through redox cycling during the metabolism of anthracyclines and from the formation of double-stranded DNA breaks caused by inhibition of topoisomerase II.
  • the reactive oxygen species (ROS) may activate apoptotic pathways, leading to cell death in both cancer and normal cells.
  • Cardiomyocytes may be sensitive to the oxidative stress. Cardiac mitochondria can be easily injured by anthracycline and anthracycline-iron complexes, which have a high affinity for dianionic phospholipid cardiolipin that is present at a high concentration in the inner mitochondrial membrane.
  • Protein kinase inhibitors are a wide class of compounds that inhibits the activity of protein kinases and can be used in cancer treatments.
  • Tyrosine kinases regulate a variety of cellular functions including cell growth (e.g., epidermal growth factor (“EGFR”) and dysregulation may lead to certain forms of cancer. Inhibition of such tyrosine protein kinases may be accomplished by using small molecules that bind to the ATP pocket of a given protein kinase, blocking it from catalyzing the phosphorylation of target proteins.
  • EGFR epidermal growth factor
  • Small molecules may cause cardiotoxicity by: (1) selectively inhibiting kinases that also play a role in heart cells (e.g., on-target side effects); (2) targeting multiple kinases in the same pathway (e.g., impacting off-target kinases); and (3) inhibiting non-kinase targets that play a role in heart function; small molecules may also cause cardiotoxicity through a different mechanism.
  • TKI inhibitors such as imatinib mesylate (Gleevec®), Nilotinib (Tasigna®), sorafenib (Nexavar®), sunitinib (Sutent®) and dasatinib (Sprycel®) has been reported previously (Chu et al., Lancet (2007) 370:2011-2019; Xu et al., Hematol Rev. (2009) Mar1; 1(1): e4; Kerketla et al., Nature Medicine (2006) 12:908-916).
  • Protein kinase activity may also be inhibited by biologic drugs such as monoclonal antibodies against receptor protein kinases. These therapeutics may exert efficacy by preventing receptor protein kinases from activating and are generally able to bind cell surface antigens with high specificity.
  • monoclonal antibodies target receptor protein kinases that play an important role in heart function and thus may cause cardiotoxicity as a result.
  • Trastuzumab and bevacizumab are examples of monoclonal antibodies that can cause cardiotoxicity (e.g., heart failure resulting from cardiac tissue damage, electrophysiological dysfunction, mitochondrial toxicity, apoptosis, or oxidative stress).
  • Proteasome inhibitor chemotherapy compounds e.g., bortezomib are also known to be associated with cardiotoxicity and heart failure.
  • DEX bisdioxopiperazine dexrazoxane
  • FIG. 1 generally depicts a method of reducing cancer treatment-induced cardiotoxicity in a patient by co-administering a cancer treatment and protective agent to the patient.
  • FIG. 2 generally depicts co-administration of a cancer treatment, dexrazoxane (DEX), and a protective agent.
  • DEX dexrazoxane
  • FIG. 3 depicts the effects of mock treatment, doxorubicin (DOX), myricetin, or a co-administration of doxorubicin and myricetin on cell survival in human induced pluripotent stem cell-derived cardiomyocytes (iPSC-CM) 3 days following treatment.
  • DOX doxorubicin
  • myricetin or a co-administration of doxorubicin and myricetin on cell survival in human induced pluripotent stem cell-derived cardiomyocytes (iPSC-CM) 3 days following treatment.
  • iPSC-CM human induced pluripotent stem cell-derived cardiomyocytes
  • FIG. 4A-B depicts the effects of doxorubicin (DOX) ( 4 A), or a co-administration of doxorubicin and myricetin ( 4 B) on mitochondrial health in human induced pluripotent stem cell-derived cardiomyocytes (iPSC-CM) 2 days following treatment.
  • DOX doxorubicin
  • iPSC-CM human induced pluripotent stem cell-derived cardiomyocytes
  • FIG. 5 depicts the effects of mock treatment, doxorubicin, or a co-administration of doxorubicin and myricetin on contractility in human induced pluripotent stem cell-derived cardiomyocytes (iPSC-CM) 3 days following treatment.
  • iPSC-CM human induced pluripotent stem cell-derived cardiomyocytes
  • FIG. 6A-C depict a chart providing the raw data ( 6 A) or normalized data ( 6 B) for the experiments depicted in FIG. 3 , or the raw data for the experiments depicted in FIG. 5 ( 6 C).
  • FIG. 7A-C depict the effects of myricetin ( 7 A), myricitrin/myricetrin ( 7 B), or dihydromyricetin ( 7 C) on doxorubicin-induced apoptosis at increasing concentrations in human induced pluripotent stem cell-derived cardiomyocytes (iPSC-CM) at 3 days following treatment.
  • iPSC-CM human induced pluripotent stem cell-derived cardiomyocytes
  • FIG. 8 is a graph illustrating the protective effect of myricetin (MYR; 100 ⁇ M) on doxorubicin (DOX)-induced cardiotoxicity at increasing concentrations of doxorubicin for 72 hours.
  • MYR myricetin
  • DOX doxorubicin
  • FIG. 9 is a graph illustrating percentage rescue by increasing concentrations (X-axis) of myricetin (MYR; circle) and dexrazoxane (DEX; square) of human induced pluripotent stem cell-derived cardiomyocytes treated with 0.5 ⁇ M of doxorubicin (DOX).
  • FIG. 10 depicts the protective effects of myricetin against doxorubicin (DOX)-induced contractility dysfunction in cardiomyocytes, represented in a scale of beat rates (per minute; left panel), duration (in second; center panel) and peak height (in arbituary unit; right panel) for mock treated, DOX (0.5 ⁇ M), DOX plus DEX (100 ⁇ M), or DOX plus MYR (100 ⁇ M) after 48 hours of treatment.
  • DOX doxorubicin
  • FIG. 11 depicts the effect of myricetin (MYR) on DOX-induced DNA double strand break in human iPSC-derived cardiomyocytes treated with DMSO, DOX alone (0.5 ⁇ M), DOX plus DEX (100 ⁇ M), or DOX plus MYR (100 ⁇ M), measured after 48 hours of the treatment, presented in percentage of ⁇ H2AX-positive cells quantified for each condition (right) and representative images of the cells (left).
  • MYR myricetin
  • FIG. 12 depicts the effect of myricetin (MYR) on doxorubicin (DOX)-induced sarcomere disruption shown in representative images for mock treated (DMSO; left), DOX alone (0.5 ⁇ M; center), or DOX plus MYR (100 ⁇ M; right).
  • MYR myricetin
  • DOX doxorubicin
  • FIG. 13 depicts the effect of myricetin (MYR) on inhibition of topoisomerases II ⁇ and ⁇ (TOPOII ⁇ and TOPOII ⁇ ) compared with that of dexrazoxane (DEX).
  • MYR myricetin
  • TOPOII ⁇ and TOPOII ⁇ topoisomerases II ⁇ and ⁇
  • DEX dexrazoxane
  • FIG. 14 depicts the effects of myricetin (MYR) and dexrazoxane (DEX) on TOPOII ⁇ protein degradation illustrated in a graph (top) and representative images (bottom).
  • MYR myricetin
  • DEX dexrazoxane
  • FIG. 15 depicts the effect of myricetin (MYR) and dihydromyricetin (DHM) on topoisomerases (TOPOII ⁇ ) enzymatic inhibition and relative potency thereof as illustrated in a decatenation gel (top) and a graph (bottom).
  • MYR myricetin
  • DMD dihydromyricetin
  • TOPOII ⁇ topoisomerases
  • FIG. 16 is a graph illustrating relative potency of MYR and DHM in rescuing cardiomyocytes from DOX-induced cell death.
  • FIG. 17 is a graph illustrating relative potency of MYR and DHM in rescuing cardiomyocytes from DOX-induced double strand break.
  • FIG. 18 is a graph illustrating the effect of MYR on RNA expression levels of TOPOII ⁇ (right) and TOPOII ⁇ (left) as demonstrated in cardiomyocytes treated with DOX alone or DOX plus MYR.
  • FIG. 19 depicts two graphs illustrating potency of myricetin (MYR) in protecting cardiomyocytes from epirubicin (EPI; left) and idarubicin (IDA; right)-induced cytotoxicity.
  • MYR myricetin
  • FIG. 20 is a graph illustrating the effect of myricetin (MYR) on sunitinib (SUN)-induced cell death.
  • FIG. 21 is a graph illustrating the effect of myricetin (MYR) on sorafenib (SOR)-induced contractile dysfunction.
  • FIG. 22 is a graph illustrating the effect of myricetin (MYR) on bortezomib (BOR)-induced cell death.
  • FIG. 23 is a graph illustrating the lack of effect of myricetin (MYR) on DOX's anticancer activity.
  • FIG. 24 depicts the effect of MYR on DOX-induced contractile dysfunction in mice measured in percentage of fractional shortening (left) and ejection fraction (right).
  • FIG. 25 depicts the effects of DOX, DEX, and various protective agents on mitochondrial toxicity in cardiomyocytes derived from human induced pluripotent stem cells.
  • FIG. 26 depicts the effects of DOX, DEX, and various protective agents on apoptosis in cardiomyocytes derived from human induced pluripotent stem cells.
  • FIG. 27A-D depict the effects of mock treatment ( 27 A), DEX ( 27 B), a co-administration of doxorubicin and dexrazoxan ( 27 C), or a co-administration of doxorubicin and vitexin ( 27 D), on mitochondrial health in human induced pluripotent stem cell-derived cardiomyocytes.
  • FIG. 28A-B depict the effects of DOX, or co-administration of DOX with various concentrations of vitexin (VIT) on the electrophysiological activity in human induced pluripotent stem cell-derived cardiomyocytes over a three-day time period (left), or at a 30-hour time point (right)
  • VIT vitexin
  • FIG. 29A-B depict the effects of co-administration of doxorubicin with kaempferol (KAE; left) and vitexin (VIT; right) on viability in MDA-MB-231 metastatic breast cancer cells.
  • compositions, kits, and methods for protecting the heart and for preventing heart failure in patients treated with anthracyclines, protein kinase inhibitors and/or biologic agents By minimizing the risk of potentially devastating heart failure in cancer patient under chemotherapy, conventional cancer treatment can achieve improved efficacy and safety with the invention described herein.
  • compositions include one or more protective agents with or without an anticancer agent.
  • kits often include one or more protective agents, and sometimes anticancer agents as well.
  • the methods include methods of reducing, preventing, or eliminating cardiotoxicity induced by a drug or other therapy including cancer treatments.
  • this disclosure provides a pharmaceutical composition
  • a protective agent of according to Formula 1 comprising a protective agent of according to Formula 1,
  • X 1 is CR 5 R 6 , NR 5 , O, S, C ⁇ O, or C ⁇ S;
  • each of R 2 , R 3 , R 5 , R 6 , R 9 , and R 10 is independently alkyl, alkenyl, alkynyl, alkoxy, acyl, acyloxy, carboxylic acid, ester, amine, amide, carbonate, carbamate, nitro, thioether, thioester, cycloalkyl, heteroalkyl, heterocyclyl, monosaccharide, aryl, or heteroaryl, any of which is substituted or unsubstituted, halogen, hydroxyl, sulfhydryl, nitro, nitroso, cyano, azido, or H;
  • R 4 , R 7 and R 8 are alkoxy, hydroxyl or H;
  • W 1 is O or S; or
  • X 1 can be O or S; each of R 1 , R 2 , R 3 , R 9 , and R 10 can be independently alkoxy, cycloalkyl, halogen, hydroxyl, sulfhydryl, nitro, nitroso, cyano, azido, or H; and each of R 4 , R 7 and R 8 can be independently alkoxy, hydroxyl or H.
  • X 1 is O; each of R 2 , R 3 , R 9 , and R 10 can be independently alkoxy, cycloalkyl, halogen, hydroxyl, sulfhydryl, nitro, nitroso, cyano, azido, or H; and each of R 4 , R 7 and R 8 can be independently alkoxy, hydroxyl or H.
  • X 1 is O; each of R 1 and R 2 can be independently hydroxyl or H; each of R 3 , R 9 and R 10 can be independently cycloalkyl, heterocyclyl, hydroxyl, or H; R 4 is hydroxyl; and each of R 7 and R 8 can be independently hydroxyl or H.
  • X 1 is O; R 1 is hydroxyl; each of R 2 and R 3 can be independently hydroxyl or H; R 9 and R 10 are H; R 4 is hydroxyl; and each of R 7 and R 8 can be independently hydroxyl or H.
  • X 1 is O; R 1 is hydroxyl; each of R 2 and R 3 can be independently hydroxyl or H; R 9 can be heterocyclyl or H; of R 10 is H; R 4 can be independently hydroxyl or H; and each of R 7 and R 8 can be independently hydroxyl or H.
  • X 1 is O; R 1 is hydroxyl; each of R 2 and R 9 can be independently hydroxyl or H; R 3 can be cycloalkyl, hydroxyl or H; R 10 is H; R4 is hydroxyl; and each of R 7 and R 8 can be independently hydroxyl or H.
  • cycloalkyl of R 3 can be a monosaccharide.
  • the pharmaceutical composition may comprise myricetin and is a compound according to the following formula.
  • the pharmaceutical composition may comprise myricetrin/myricitrin and is a compound according to the following formula.
  • the pharmaceutical composition may comprise robinetin and is a compound according to the following formula.
  • the pharmaceutical composition may comprise tricetin and is a compound according to the following formula.
  • the pharmaceutical composition may comprise 7,3′,4′,5′-tetrahydroxyflavone and is a compound according to the following formula.
  • the pharmaceutical composition comprises ficetin. In some embodiments, the pharmaceutical composition comprises quercetin. In some embodiments, the pharmaceutical composition comprises kaempferol. In some embodiments, the protective agent within the pharmaceutical composition can be a compound with the following structure:
  • the protective agent within the pharmaceutical composition can be vitexin.
  • the pharmaceutical composition may include one or more chemotherapy drug(s) (anticancer agent) or biologic agent(s).
  • the pharmaceutical composition can include a chemotherapy drug.
  • the pharmaceutical composition may include one or more chemotherapy drug(s) (anticancer agent) and one or more of the protective agent(s) selected from the group consisting of myricetin, tricetin (5,7,3′,4′,5′-pentahydroxyflavone), robinetin, ficetin, vitexin, 7,3′,4′,5′-tetrahydroxyflavone, and myricetrin.
  • the pharmaceutical composition may comprise an anthracycline or salt thereof.
  • the anthracycline can be daunorubicin, doxorubicin, epirubicin, idarubicin, mitoxantrone, or valrubicin.
  • the anthracycline is doxorubicin.
  • the anthracycline is epirubicin.
  • the anthracycline is idarubicin.
  • the chemotherapy drug can be a protein kinase inhibitor.
  • the protein kinase inhibitor is afatinib, axitinib, bosutinib, cabozantinib, carfilzomib, ceritinib, cobimetanib, crizotinib, dabrafenib, dasatinib, erlotinib, everolimus, gefitinib, ibrutinib, imatinib, lapatinib, lenvatinib, nilotinib, nintedanib, osimertinib, palbociclib, pazopanib, pegaptanib, ponatinib, regorafenib, ruxolitinib, sirolimus, sorafenib, sunitinib, tofacitinib, tofacitinib, tems
  • the chemotherapy drug can be a proteasome inhibitor.
  • the proteasome inhibitor can be bortezomib.
  • the protein kinase inhibitor can be a tyrosine kinase inhibitor.
  • the tyrosine kinase inhibitor is selected from the group consisting of sorafenib, sunitinib, bosutinib, gefitinib, dasatinib, dabrafenib, vemurafenib, imatinib, lapatinib, mesylate, and nilotinib.
  • the tyrosine kinase inhibitor is sorafenib.
  • the tyrosine kinase inhibitor is sunitinib.
  • the chemotherapy drug can be a biologic agent.
  • the biologic agent is an antibody.
  • the antibody can be adotrastuzumabemtansine, alemtuzumab, bevacizumab, blinatumomab, brentuximab vedotin, catumaxomab, cetuximab, gemtuzumab ozogamicin, ibritumomab tiuxetan, ipilimumab, necitumumab, nivolumab, obinutuzumab, ofatumumab, panitumumab, pembrolizumab, pertuzumab, ramucirumab, rituximab, tositumomab-I131, or trastuzumab.
  • the antibody is trastuzumab.
  • the pharmaceutical composition can be a liquid composition. In some embodiments, the pharmaceutical composition can be a capsule, a gel capsule, or a liposome. In some embodiments, the pharmaceutical composition can be a tablet.
  • the pharmaceutical composition may also include dexrazoxane as an additional protective agent.
  • the pharmaceutical composition can comprise at least 1 mg of one or more protective agents. In some embodiments, the pharmaceutical composition can comprise between 0.1 mg and 200 mg of one or more protective agents. In some embodiments, the pharmaceutical composition can comprise between 0.1 mg and 300 mg of one or more protective agents.
  • two protective agents are present and co-formulated together.
  • the two protective agents can be present as distinct entities within the pharmaceutical composition.
  • the pharmaceutical composition can comprise the chemotherapy drug and the chemotherapy drug is co-formulated with one of the two protective agents.
  • this disclosure provides a pharmaceutical composition
  • a pharmaceutical composition comprising (a) a protective agent selected from the group consisting of: a compound according to Formula 2,
  • X 1 is CR 5 R 6 , NR 5 , O, S, C ⁇ O, or C ⁇ S; each of R 2 , R 3 , R 5 , R 6 , R 9 , and R 10 is independently alkyl, alkenyl, alkynyl, alkoxy, acyl, acyloxy, carboxylic acid, ester, amine, amide, carbonate, carbamate, nitro, thioether, thioester, cycloalkyl, heteroalkyl, heterocyclyl, aryl, or heteroaryl, any of which is substituted or unsubstituted, halogen, hydroxyl, sulfhydryl, nitro, nitroso, cyano, azido, or H; R 4 , R 7 and R 8 are hydroxyl;
  • W 1 is O or S
  • the pharmaceutical composition may comprise an anticancer agent or a chemotherapy drug.
  • the protective agent is selected from the group consisting of myricetin, tricetin, robinetin, ficetin, vitexin, dihydrorobinetin, 7,3′,4′,5′-tetrahydroxyflavone, and myricetrin.
  • the pharmaceutical composition may comprise one or more protective agents.
  • the pharmaceutical composition may comprise myricetin.
  • the pharmaceutical composition may comprise myricetrin.
  • the pharmaceutical composition may comprise robinetin.
  • the pharmaceutical composition may comprise dihydrorobinetin.
  • the pharmaceutical composition may comprise vitexin.
  • the pharmaceutical composition may comprise tricetin.
  • the pharmaceutical composition comprises quercetin.
  • the pharmaceutical composition comprises kaempferol.
  • the pharmaceutical composition comprises an anthracycline or salt thereof.
  • the anthracycline is daunorubicin, doxorubicin, epirubicin, idarubicin, mitoxantrone, or valrubicin.
  • the anthracycline is doxorubicin.
  • the anthracycline is epirubicin.
  • the anthracycline is idarubicin.
  • the chemotherapy drug can be a protein kinase inhibitor.
  • the protein kinase inhibitor is afatinib, axitinib, bosutinib, cabozantinib, carfilzomib, ceritinib, cobimetanib, crizotinib, dabrafenib, dasatinib, erlotinib, everolimus, gefitinib, ibrutinib, imatinib, lapatinib, lenvatinib, nilotinib, nintedanib, osimertinib, palbociclib, pazopanib, pegaptanib, ponatinib, regorafenib, ruxolitinib, sirolimus, sorafenib, sunitinib, tofacitinib, tofacitinib, tems
  • the chemotherapy drug is a proteasome inhibitor.
  • the proteasome inhibitor is bortezomib.
  • the protein kinase inhibitor is a tyrosine kinase inhibitor.
  • the tyrosine kinase inhibitor is selected from the group consisting of sorafenib, sunitinib, bosutinib, gefitinib, dasatinib, dabrafenib, vemurafenib, imatinib, lapatinib, mesylate, and nilotinib.
  • the tyrosine kinase inhibitor is sorafenib.
  • the tyrosine kinase inhibitor is sunitinib.
  • the chemotherapy drug is a biologic agent.
  • the biologic agent is an antibody.
  • the antibody is adotrastuzumabemtansine, alemtuzumab, bevacizumab, blinatumomab, brentuximab vedotin, catumaxomab, cetuximab, gemtuzumab ozogamicin, ibritumomab tiuxetan, ipilimumab, necitumumab, nivolumab, obinutuzumab, ofatumumab, panitumumab, pembrolizumab, pertuzumab, ramucirumab, rituximab, tositumomab-I131, or trastuzumab.
  • the antibody is trastuzumab.
  • the antibody is bevacizumab
  • the pharmaceutical composition may comprise at least 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120, 130, 140, 150, 160, 170, 180, 190, 200, 210, 220, 230, 240, 250, 260, 270, 280, 290, or 300 mg of one or more protective agents.
  • the pharmaceutical composition may comprise between 0.1 mg and 50 mg of the protective agent. In some embodiments, the pharmaceutical composition may comprise between 1 mg and 10 mg of the protective agent. In some embodiments, the pharmaceutical composition may comprise between 1 mg and 20 mg of the protective agent. In some embodiments, the pharmaceutical composition may comprise between 1 mg and 30 mg of the protective agent. In some embodiments, the pharmaceutical composition may comprise between 1 mg and 40 mg of the protective agent. In some embodiments, the pharmaceutical composition may comprise between 1 mg and 50 mg of the protective agent. In some embodiments, the pharmaceutical composition may comprise between 1 mg and 100 mg of the protective agent. In some embodiments, the pharmaceutical composition may comprise between 1 mg and 200 mg of the protective agent. In some embodiments, the pharmaceutical composition may comprise between 40 mg and 300 mg of the protective agent. In some embodiments, the pharmaceutical composition may comprise between 50 mg and 400 mg of the protective agent.
  • the pharmaceutical composition may comprise the chemotherapy drug; and the chemotherapy drug and the protective agent are mixed within the pharmaceutical composition.
  • the pharmaceutical composition comprises the chemotherapy drug wherein the dose of the chemotherapy drug is at least 0.1 mg. In some embodiments, the pharmaceutical composition comprises the chemotherapy drug wherein the dose of the chemotherapy drug is between 0.01 mg and 50 mg. In some embodiments, the pharmaceutical composition comprises the chemotherapy drug wherein the dose of the chemotherapy drug is between 0.01 mg and 100 mg. In some embodiments, the pharmaceutical composition comprises the chemotherapy drug wherein the dose of the chemotherapy drug is between 0.01 mg and 200 mg.
  • the pharmaceutical composition comprises the biologic agent at a dose of at least 50 mg. In some embodiments, the pharmaceutical composition comprises a biologic agent at a dose of between 0.1 mg and 100 mg. In some embodiments, the pharmaceutical composition comprises a biologic agent at a dose of between 0.1 mg and 200 mg.
  • the pharmaceutical composition comprises the chemotherapy drug and a molar ratio of the protective agent to the chemotherapy drug is at least 1:1. In some embodiments, the pharmaceutical composition comprises the chemotherapy drug and a molar ratio of the protective agent to the chemotherapy drug is at least 2:1. In some embodiments, the pharmaceutical composition comprises the chemotherapy drug and a molar ratio of the protective agent to the chemotherapy drug is at least 3:1. In some embodiments, the pharmaceutical composition comprises the chemotherapy drug and a molar ratio of the protective agent to the chemotherapy drug is at least 4:1. In some embodiments, the pharmaceutical composition comprises the chemotherapy drug and a molar ratio of the protective agent to the chemotherapy drug is at least 5:1.
  • the pharmaceutical composition comprises the chemotherapy drug and a molar ratio of the protective agent to the chemotherapy drug is at least 6:1. In some embodiments, the pharmaceutical composition comprises the chemotherapy drug and a molar ratio of the protective agent to the chemotherapy drug is at least 7:1. In some embodiments, the pharmaceutical composition comprises the chemotherapy drug and a molar ratio of the protective agent to the chemotherapy drug is at least 8:1. In some embodiments, the pharmaceutical composition comprises the chemotherapy drug and a molar ratio of the protective agent to the chemotherapy drug is at least 9:1. In some embodiments, the pharmaceutical composition comprises the chemotherapy drug and a molar ratio of the protective agent to the chemotherapy drug is at least 10:1.
  • the pharmaceutical composition comprises the chemotherapy drug and a molar ratio of the protective agent to the chemotherapy drug is at least 20:1. In some embodiments, the pharmaceutical composition comprises the chemotherapy drug and wherein a molar ratio of the protective agent to the chemotherapy drug is at least 100:1. In some embodiments, the pharmaceutical composition comprises the chemotherapy drug and wherein a molar ratio of the protective agent to the chemotherapy drug is at least 1:2. In some embodiments, the pharmaceutical composition comprises the chemotherapy drug and wherein a molar ratio of the protective agent to the chemotherapy drug is at least 1:3. In some embodiments, the pharmaceutical composition comprises the chemotherapy drug and wherein a molar ratio of the protective agent to the chemotherapy drug is at least 1:4. In some embodiments, the pharmaceutical composition comprises the chemotherapy drug and wherein a molar ratio of the protective agent to the chemotherapy drug is at least 1:5.
  • this disclosure provides methods for administering to a subject any of the pharmaceutical compositions disclosed herein.
  • this disclosure provides a method for preventing, reducing, or eliminating cardiotoxicity or heart failure in general.
  • this disclosure provides a method for preventing, reducing, or eliminating cardiotoxicity induced by a chemotherapy drug or biologic agent in a subject, the method comprising: administering one or more protective agent according to Formula 1, to the subject, thereby preventing, reducing, or eliminating the cardiotoxicity induced by the chemotherapy drug or biologic agent in the subject.
  • the pharmaceutical composition comprises a compound selected from the group consisting of such as myricetin, vitexin, robinetin, tricetin, ficetin, 7,3′,4′,5′-tetrahydroxyflavone, and myricitrin.
  • this disclosure provides a method for preventing, reducing, or eliminating cardiotoxicity induced by a chemotherapy drug or biologic agent in a subject, the method comprising: administering at least one protective agent according to Formula 1 or Formula 2, to the subject, thereby preventing, reducing, or eliminating the cardiotoxicity induced by the chemotherapy drug or biologic agent in the subject.
  • the subject is administered a chemotherapy drug or biologic agent prior to the administering of one or more protective agent(s) according Formula 1 or 2, to the subject.
  • the subject is administered a chemotherapy drug or biologic agent following the administering of at least two protective agents of Formula 1 or 2 to the subject.
  • this disclosure provides a method for treating cancer, the method comprising: (a) administering a chemotherapy drug or biologic agent to a subject, wherein the subject has cancer and the chemotherapy drug or biologic agent is capable of causing cardiotoxicity in the subject; and (b) administering at least one protective agent according to Formula 1 or Formula 2 to the subject, wherein the protective agent prevents, reduces, or eliminates the cardiotoxicity in the subject.
  • the subject has a human suffering from cancer.
  • the cancer is bladder cancer, bone cancer, a brain tumor, breast cancer, esophageal cancer, gastrointestinal cancer, leukemia, liver cancer, lung cancer, lymphoma, myeloma, ovarian cancer, prostate cancer, a sarcoma, stomach cancer, or thyroid cancer.
  • the subject prior to the administration of the protective agent, has a cardiac condition or has a history of having a cardiac condition.
  • the administration of the protective agent reduces the risk of the subject experiencing cardiotoxicity induced by the chemotherapy drug or biologic agent.
  • the administration of the protective agent reduces the risk of the subject experiencing cardiotoxicity induced by the chemotherapy drug or biologic agent by at least 30%, 40%, 50%, 60%, 70%, 80%, 90%, or 95%.
  • the cardiotoxicity may comprise cardiac tissue damage, electrophysiological dysfunction, mitochondrial toxicity, apoptosis, or oxidative stress.
  • the cardiotoxicity is cardiac tissue damage.
  • the cardiotoxicity is electrophysiological dysfunction.
  • the chemotherapy drug used in the methods described herein may comprise an anthracycline or a salt thereof.
  • the anthracycline is daunorubicin, doxorubicin, epirubicin, idarubicin, mitoxantrone, or valrubicin.
  • the anthracycline is doxorubicin.
  • the anthracycline is epirubicin.
  • the anthracycline is idarubicin.
  • the chemotherapy drug used in the methods described herein is a protein kinase inhibitor.
  • the protein kinase inhibitor is afatinib, axitinib, bosutinib, cabozantinib, carfilzomib, ceritinib, cobimetanib, crizotinib, dabrafenib, dasatinib, erlotinib, everolimus, gefitinib, ibrutinib, imatinib, lapatinib, lenvatinib, nilotinib, nintedanib, osimertinib, palbociclib, pazopanib, pegaptanib, ponatinib, regorafenib, ruxolitinib, sirolimus, sorafenib, sunitinib, tofacitinib, tofacitin
  • the protein kinase inhibitor is a tyrosine kinase inhibitor. In some embodiments, the protein kinase inhibitor is a tyrosine kinase inhibitor. In some embodiments, the tyrosine kinase inhibitor is selected from the group consisting of sorafenib, sunitinib, bosutinib, gefitinib, dasatinib, dabrafenib, vemurafenib, imatinib, lapatinib, mesylate, and nilotinib. In a particular example, the tyrosine kinase inhibitor is sorafenib. In another particular example, the tyrosine kinase inhibitor is sunitinib.
  • the chemotherapy drug is a proteasome inhibitor.
  • the proteasome inhibitor is bortezomib.
  • the biologic agent used in the methods described herein can be an antibody.
  • the antibody is adotrastuzumabemtansine, alemtuzumab, bevacizumab, blinatumomab, brentuximab vedotin, catumaxomab, cetuximab, gemtuzumab ozogamicin, ibritumomab tiuxetan, ipilimumab, necitumumab, nivolumab, obinutuzumab, ofatumumab, panitumumab, pembrolizumab, pertuzumab, ramucirumab, rituximab, tositumomab-I131, or trastuzumab.
  • the antibody is trastuzumab.
  • the subject according to the methods described herein has a decreased QTc interval after administering the protective agent.
  • the protective agent is selected from the group consisting of such as myricetin, vitexin, robinetin, tricetin, ficetin, 7,3′,4′,5′-tetrahydroxyflavone, and myricitrin.
  • the protective agent is myricetin.
  • the chemotherapy drug and protective agent of Formula 1 or Formula 2 are administered concurrently to the subject. In some embodiments, the chemotherapy drug and protective agent are administered sequentially to the subject. In some embodiments, the protective agent is administered to the subject prior to the administration of the chemotherapy drug. In some embodiments, the protective agent is administered to the subject after the administration of the chemotherapy drug.
  • At least two protective agents of Formula 1 or Formula 2 can be administered.
  • the at least two protective agents can be selected from the group consisting of such as myricetin, vitexin, robinetin, tricetin, ficetin, 7,3′,4′,5′-tetrahydroxyflavone, dihydrorobinetin, and myricitrin.
  • one or more protective agent(s) can further comprise dexrazoxane.
  • This disclosure provides a method for treating or preventing organ damage in a subject comprising: administering one or more protective agents selected from the group consisting of such as myricetin, vitexin, robinetin, tricetin, ficetin, 7,3′,4′,5′-tetrahydroxyflavone, and myricitrin to a subject with organ damage, thereby treating or preventing organ damage in the subject.
  • kits comprising: (a) a protective agent selected from the group consisting of myricetin, vitexin, robinetin, tricetin, ficetin, 7,3′,4′,5′-tetrahydroxyflavone, and myricitrin; and (b) a chemotherapy drug or a biologic agent.
  • a protective agent selected from the group consisting of myricetin, vitexin, robinetin, tricetin, ficetin, 7,3′,4′,5′-tetrahydroxyflavone, and myricitrin
  • a chemotherapy drug or a biologic agent selected from the group consisting of myricetin, vitexin, robinetin, tricetin, ficetin, 7,3′,4′,5′-tetrahydroxyflavone, and myricitrin.
  • this disclosure provides a kit comprising: (a) a protective agent selected from the group consisting of myricetin, vitexin, robinetin, tricetin, ficetin, 7,3′,4′,5′-tetrahydroxyflavone, and myricitrin; (b) a chemotherapy drug or a biologic agent; and (c) dexrazoxane.
  • the protective agent is myricetin.
  • anthracycline drugs e.g., anthracycline drugs, protein kinase inhibitors
  • other therapies can cause cardiotoxicity in patients.
  • anthracycline-induced cardiotoxicity occurs when the drug such as doxorubicin intercalates the DNA upon a cleavage of DNA by topoisomerase II enzymes thereby effectively preventing TOPOII ⁇ or ⁇ from ligating the cleaved strands back together.
  • the present disclosure may enable cancer patients—including heart healthy patients and patients with pre-existing cardiac conditions—to receive a desired dosage of a therapy (e.g., an anthracycline or salt thereof) without having the dosage regimen significantly altered by the risk of cardiotoxicity.
  • a therapy e.g., an anthracycline or salt thereof
  • Another advantage of the present disclosure is that it may enable a larger patient population to receive a given therapy, such as certain patients with pre-existing cardiac conditions or with age limits.
  • the reduction or prevention of cardiotoxicity may enable a cancer patient to avoid having to take a medication to treat a heart condition.
  • the advantages presented herein may help to facilitate a better therapeutic outcome for patients.
  • the pharmaceutical compositions and methods (including methods of use) provided herein generally relate to reducing, eliminating or preventing cardiotoxicity caused by chemotherapeutic drugs, biologic agents, or radiation therapy; they can also be used to reduce or eliminate organ damage caused by electrophysiological dysfunction, mitochondrial toxicity, apoptosis, or oxidative stress.
  • FIG. 1 depicts a general schematic of some embodiments of the methods provided herein.
  • the top panel shows a cancer treatment [ 110 ], such as a chemotherapeutic drug, biologic agent, or radiation therapy, being administered to a patient [ 120 ], who develops cardiotoxicity and is then gradually given reduced doses of the cancer treatment over time [ 130 ].
  • the cardiotoxicity associated with administration of the cancer treatment [ 110 ] in the absence of a protective agent [ 140 ] may limit the patient population that is eligible to receive treatment.
  • the cancer treatment [ 110 ] is co-administered with a protective agent [ 140 ], such as myricetin, vitexin, robinetin, tricetin, ficetin, 7,3′,4′,5′-tetrahydroxyflavone, dihydrorobinetin and myricitrin to a patient, e.g., [ 151 ] who experiences reduced cardiotoxicity, or no cardiotoxicity at all [ 160 ], thereby enabling the patient to tolerate the dosage regimen.
  • a protective agent [ 140 ] such as myricetin, vitexin, robinetin, tricetin, ficetin, 7,3′,4′,5′-tetrahydroxyflavone, dihydrorobinetin and myricitrin
  • the cancer treatment and protective agent are co-formulated together.
  • the co-administration of the cancer treatment [ 110 ] with the protective agent [ 140 ] may enable a larger patient population [ 150 ] to receive the cancer treatment, including healthy patients and patients with pre-existing cardiac conditions [ 152 , 153 ].
  • FIG. 2 also depicts a general schematic of embodiments provided herein.
  • the top panel shows a cancer treatment [ 210 ] (e.g., a chemotherapeutic drug, a biologic agent, or radiation therapy), and dexrazoxane [ 220 ] being co-administered to a patient [ 230 ] who then experiences some cardiotoxicity over time [ 240 ].
  • a cancer treatment [ 210 ] e.g., a chemotherapeutic drug, a biologic agent, or radiation therapy
  • dexrazoxane [ 220 ] being co-administered to a patient [ 230 ] who then experiences some cardiotoxicity over time [ 240 ].
  • the co-administration of the cancer treatment [ 210 ] and dexrazoxane [ 220 ] in the absence of the protective agent [ 250 ] may limit the patient population that is eligible to receive treatment.
  • the cancer treatment [ 210 ], the dexrazoxane [ 220 ], and a protective agent [ 250 ] are administered to a patient [ 261 ] who experiences reduced cardiotoxicity, or no cardiotoxicity at all [ 270 ].
  • the co-administration of the protective agent [ 250 ] with the cancer treatment [ 210 ] and dexrazoxane [ 220 ] may enhance the activity of dexrazoxane to prevent, alleviate, or eliminate cardiotoxicity in a patient [ 261 ], thereby enabling a larger patient population [ 260 ] to receive treatment, including patients without and those with pre-existing cardiac conditions [262, 263].
  • the protective agent, the dexrazoxane and/or the cancer treatment are administered separately; in some cases, they are administered concurrently or as co-formulations.
  • the co-formulations and methods provided herein may reduce the cardiotoxicity induced in patients by chemotherapeutic drugs, biologic agents, or radiation therapy.
  • compositions provided herein may include a co-formulation of two or more protective agents.
  • the co-formulation may comprise such as myricetin, vitexin, robinetin, tricetin, ficetin, 7,3′,4′,5′-tetrahydroxyflavone, dihydrorobinetin, myricitrin, and dexrazoxane.
  • compositions may include a co-formulation of a protective agent (e.g., such as myricetin, vitexin, robinetin, tricetin, ficetin, 7,3′,4′,5′-tetrahydroxyflavone, dihydrorobinetin, and myricitrin) with a certain cancer treatment (e.g., chemotherapeutic drug or biologic agent).
  • a protective agent e.g., such as myricetin, vitexin, robinetin, tricetin, ficetin, 7,3′,4′,5′-tetrahydroxyflavone, dihydrorobinetin, and myricitrin
  • a certain cancer treatment e.g., chemotherapeutic drug or biologic agent.
  • kits that contain at least two protective agents (or a protective agent and a cancer treatment) as separate components, often along with instructions for use.
  • a pharmaceutical composition that can reduce, eliminate or prevent cardiotoxicity caused by a cancer treatment (e.g., chemotherapeutic drugs, biologic agents or radiation therapy).
  • the methods provided herein also comprise treating cancer in a patient using at least one of the compositions provided herein.
  • the patient may be heart-healthy; in some cases, the patient is at-risk for a cardiac condition.
  • the methods and compositions disclosed herein are generally used to prevent, reduce, treat, or eliminate cancer treatment-induced cardiotoxicity in a subject.
  • the subject may be any human patient, particularly a cancer patient, a patient at risk for cancer, or a patient with a family or personal history of cancer.
  • the patient is in a particular stage of cancer treatment.
  • a pharmaceutical composition described herein can be administered to a human patient with early or late stage cancer in order to reduce cardiotoxicity caused by a cancer treatment.
  • the cancer patients may have any type of cancer.
  • cancer can include, but are not limited to, adrenal cancer, anal cancer, basal cell carcinoma, bile duct cancer, bladder cancer, cancer of the blood, bone cancer, a brain tumor, breast cancer, bronchus cancer, cancer of the cardiovascular system, cervical cancer, colon cancer, colorectal cancer, cancer of the digestive system, cancer of the endocrine system, endometrial cancer, esophageal cancer, eye cancer, gallbladder cancer, a gastrointestinal tumor, kidney cancer, hematopoietic malignancy, laryngeal cancer, leukemia, liver cancer, lung cancer, lymphoma, melanoma, mesothelioma, cancer of the muscular system, Myelodysplastic Syndrome (MDS), myeloma, nasal cavity cancer, nasopharyngeal cancer, cancer of the nervous system, cancer of the lymphatic system, oral cancer, oropharyngeal cancer, osteosarcoma, Kaposi sarcom
  • lymphoma may refer to any type of lymphoma including B-cell lymphoma (e.g., diffuse large B-cell lymphoma, follicular lymphoma, small lymphocytic lymphoma, mantle cell lymphoma, marginal zone B-cell lymphoma, Burkitt lymphoma, lymphoplasmacytic lymphoma, hairy cell leukemia, or primary central nervous system lymphoma) or a T-cell lymphoma (e.g., precursor T-lymphoblastic lymphoma, or peripheral T-cell lymphoma).
  • B-cell lymphoma e.g., diffuse large B-cell lymphoma, follicular lymphoma, small lymphocytic lymphoma, mantle cell lymphoma, marginal zone B-cell lymphoma, Burkitt lymphoma, lymphoplasmacytic lymphoma, hairy cell leukemia, or primary central nervous system lymphoma
  • Types of leukemia include acute myeloid leukemia, chronic myeloid leukemia, acute lymphocytic leukemia, acute undifferentiated leukemia, or chronic lymphocytic leukemia.
  • the cancer patient does not have a particular type of cancer.
  • the patient may have a cancer that is not breast cancer.
  • cancers examples include cancers that cause solid tumors as well as cancers that do not cause solid tumors.
  • any of the cancers mentioned herein may be a primary cancer (e.g., a cancer that is named after the part of the body where it first started to grow) or a secondary or metastatic cancer (e.g., a cancer that has originated from another part of the body).
  • a patient at risk of cancer may be at risk because of a particular condition such as a pre-cancerous condition.
  • Pre-cancerous conditions include but are not limited to actinic keratosis, Barrett's esophagus, atrophic gastritis, ductal carcinoma in situ, dyskeratosis congenita, sideropenic dysphagia, lichen planus, oral submucous fibrosis, solar elastosis, cervical dysplasia, leukoplakia, and erythroplakia).
  • a patient may be at risk of cancer because of cell or tissue dysplasia (e.g., an abnormal change in cell number, abnormal change in cell shape, abnormal change in cell size, or abnormal change in cell pigmentation).
  • a patient at risk of cancer may be a patient that was exposed to a carcinogenic agent.
  • Such patients may include patients with exposure to known or probable carcinogens (e.g., acetyl aldehyde, asbestos, or tobacco products), or patients exposed to ionizing radiation (e.g., gamma radiation, beta-radiation, X-radiation, or ultraviolet radiation).
  • a patient at risk of cancer is at risk because of a family history of cancer.
  • the methods and compositions disclosed herein may also be used to prevent, reduce, or eliminate cardiotoxicity in patients with a history of cancer, particularly patients who have been administered cancer treatments (e.g., anthracycline drugs, protein kinase inhibitors, proteasome inhibitors, or biological agents) with cardiotoxic effects.
  • cancer treatments e.g., anthracycline drugs, protein kinase inhibitors, proteasome inhibitors, or biological agents
  • a patient with a history of cancer include, but are not limited to, a patient in remission, a patient in complete remission, a patient with relapsed cancer or a patient with recurring cancer.
  • cardiotoxicity-inducing agents e.g., a cancer treatment.
  • a cardiotoxicity-inducing agent e.g., a cancer treatment.
  • Non-limiting examples of cardiotoxicity-inducing agents are described elsewhere herein and may include cancer treatments, chemotherapeutic drugs, anthracyclines (e.g., doxorubicin, epirubicin, and idarubicin), protein kinase inhibitors (e.g., tyrosine kinase inhibitor), biologic agents (e.g., trastuzumab), or radiation therapy, as well as any cancer treatment otherwise known to cause cardiotoxicity.
  • anthracyclines e.g., doxorubicin, epirubicin, and idarubicin
  • protein kinase inhibitors e.g., tyrosine kinase inhibitor
  • biologic agents e.g., trastuzumab
  • a pharmaceutical composition disclosed herein is administered to a cancer patient with previous exposure to a cancer treatment known to have cardiotoxic effects, in order to reduce the risk of cardiotoxicity associated with the patient's current cancer treatment regimen.
  • the pharmaceutical composition is administered to a cancer patient in order to reduce or off-set cumulative effects of prior exposures to cancer treatment or drugs, or to other agents that cause cardiotoxicity.
  • a pharmaceutical co-formulation comprising myricetin and anthracycline may be administered to a prostate cancer patient who also has dilated cardiomyopathy caused by a previous cancer treatment.
  • a pharmaceutical co-formulation comprising vitexin may be administered to a lung cancer patient who is being concurrently treated with an anthracycline.
  • a pharmaceutical co-formulation comprising robinetin may be administered to a breast cancer patient.
  • a pharmaceutical co-formulation comprising tricetin may be administered to a Kaposi sarcoma cancer patient.
  • a pharmaceutical co-formulation comprising ficetin may be administered to a breast cancer patient.
  • a pharmaceutical co-formulation comprising 7,3′,4′,5′-tetrahydroxyflavone may be administered to a breast cancer patient.
  • a pharmaceutical co-formulation comprising myricitrin may be administered to a breast cancer patient.
  • a pharmaceutical co-formulation comprising myricetin and anthracycline may be administered to a liver cancer patient who also has dilated cardiomyopathy caused by a previous cancer treatment.
  • a pharmaceutical co-formulation comprising myricetin and doxorubicin may be administered to a sarcoma cancer patient.
  • the methods and compositions herein may be used to alleviate cardiotoxicity that is not caused by a cancer treatment.
  • the patient may have or be at risk of having, cardiotoxicity induced by a drug that is not specifically for cancer, such as a protein kinase inhibitor.
  • a drug that is not specifically for cancer such as a protein kinase inhibitor.
  • Such patients may have a condition such as a neurological or cardiac disorder.
  • the condition may be a condition treatable by a protein kinase inhibitor.
  • the patient may have organ damage or be at risk of having organ damage.
  • the patient may have organ damage (or be at risk of organ damage) as a result of cardiac tissue damage, electrophysiological dysfunction, mitochondrial toxicity, apoptosis, or oxidative stress.
  • the methods and compositions provided herein may reduce or eliminate the organ damage caused by cardiac tissue damage, electrophysiological dysfunction, mitochondrial toxicity, apoptosis, or oxidative stress.
  • patients treated by any of the methods or compositions described herein may have heart disease, or have a family history of heart disease.
  • heart disease include, but are not limited to, arrhythmogenic cardiomyopathy, arterial disease, Brugada Syndrome, congenital heart disease, dilated cardiomyopathy, heart palpitations, heart valve disease, hypertensive heart disease, hypertrophic cardiomyopathy, long QT syndrome, rheumatic heart disease, or vascular disease.
  • the heart disease is caused by a cardiotoxic agent (e.g., anthracycline).
  • the heart disease may be caused by any of the cardiotoxic agents mentioned herein.
  • a pharmaceutical co-formulation comprising myricetin and doxorubicin may be administered to a breast cancer patient who also has hypertrophic cardiomyopathy.
  • a co-formulation of one or more of compound selected from the group consisting of myricetin, vitexin, robinetin, tricetin, ficetin, 7,3′,4′,5′-tetrahydroxyflavone, dihydrorobinetin, and myricitrin may be administered to a cancer patient experiencing cardiotoxicity from a previously administered chemotherapy drug.
  • a patient treated by any of the methods or compositions described herein may be of any age and may be an adult, infant or child.
  • the patient is 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, or 99 years old, or within a range therein (e.g., between 2 and
  • compositions disclosed herein may also be administered to a non-human subject, such as a laboratory or farm animal.
  • a non-human subject include a dog, a goat, a guinea pig, a hamster, a mouse, a pig, a non-human primate (e.g., a gorilla, an ape, an orangutan, a lemur, or a baboon), a rat, a sheep, a cow, or a zebrafish.
  • the disclosure provided herein describes methods to prevent, reduce, or eliminate cancer treatment-induced cardiotoxicity in patients by administering to a patient one or more protective agents of Formula 1, Formula 2 or derivative or salt thereof.
  • the disclosure herein also describes methods to prevent, reduce, or eliminate cancer treatment-induced cardiotoxicity in patients by administering to a patient one or more protective agent selected from the group consisting of myricetin, vitexin, robinetin, tricetin, ficetin, 7,3′,4′,5′-tetrahydroxyflavone, dihydrorobinetin, and myricitrin (or derivative or salt thereof).
  • the disclosure provided herein also describes methods of administering to a subject, wherein the subject has cancer and the cancer treatment is capable of causing cardiotoxicity and organ damage in the subject, and administering one or more protective agents (or derivative or salt thereof) selected from the group consisting of myricetin, vitexin, robinetin, tricetin, ficetin, 7,3′,4′,5′-tetrahydroxyflavone, dihydrorobinetin, and myricitrin, wherein the protective agent prevents, reduces, or eliminates the cardiotoxicity in the subject.
  • protective agents or derivative or salt thereof
  • Methods disclosed herein can further comprise administering to the patient a combination of dexrazoxane (or derivative or salt thereof) and a protective agent according to Formula 1, Formula 2, or derivative or salt thereof; the combined agents may be administered as a co-formulation or separately.
  • the methods comprise administering to the patient a combination of dexrazoxane (or derivative or salt thereof) and myricetrin (or derivative or salt thereof); the combined agents may be administered as a co-formulation or separately.
  • Methods disclosed herein can further comprise administering to the patient combined agents comprising a combination of dexrazoxane (or derivative or salt thereof) and a protective agent selected from the group consisting of myricetin, vitexin, robinetin, tricetin, ficetin, 7,3′,4′,5′-tetrahydroxyflavone, dihydrorobinetin, and myricitrin. (or derivative or salt thereof); the combined agents may be administered as a co-formulation or separately.
  • a combination of dexrazoxane or derivative or salt thereof
  • a protective agent selected from the group consisting of myricetin, vitexin, robinetin, tricetin, ficetin, 7,3′,4′,5′-tetrahydroxyflavone, dihydrorobinetin, and myricitrin. (or derivative or salt thereof)
  • the combined agents may be administered as a co-formulation or separately.
  • the protective agents may be administered to the subject or patient in any combination of a compound of Formula 1 or Formula 2.
  • only one protective agent e.g., myricetin or a derivative or salt thereof
  • only one protective agent e.g., myricitrin or a derivative or salt thereof
  • only one protective agent e.g., vitexin or a derivative or salt thereof
  • only one protective agent e.g., robinetin or a derivative or salt thereof
  • only one protective agent e.g., tricetin or a derivative or salt thereof
  • only one protective agent e.g., 7,3′,4′,5′-tetrahydroxyflavone or a derivative or salt thereof
  • a subject or patient described herein may be administered a therapeutically effective dose of myricetin (or derivative or salt thereof).
  • a subject or patient described herein may be administered a therapeutically effective dose of robinetin (or derivative or salt thereof).
  • a subject or patient described herein may be administered a therapeutically effective dose of vitexin (or derivative or salt thereof).
  • two protective agents selected from the group consisting of myricetin, vitexin, robinetin, tricetin, ficetin, 7,3′,4′,5′-tetrahydroxyflavone, dihydrorobinetin, myricitrin, and dexrazoxane are administered to a subject.
  • the protective agents may be administered as distinct entities or in a co-formulation.
  • a patient experiencing cardiotoxicity may be administered a therapeutically effective co-formulation of myricetin and robinetin; myricetin and dexrazoxan; or other co-formulation described herein.
  • the two or more protective agents may be administered simultaneously or sequentially. In some cases, the two or more protective agents may be administered sequentially in a particular order. For example, a patient may first be administered myricetin and subsequently administered dexrazoxane, or may first be given dexraxozane and then given myricetin.
  • an anticancer agent e.g., chemotherapeutic drug, biologic agent, protein kinase inhibitor, radiation therapy
  • one or more protective agents of Formula 1 or Formula 2 e.g., myricetin, vitexin, robinetin, tricetin, ficetin, 7,3′,4′,5′-tetrahydroxyflavone, dihydrorobinetin, and myricitrin
  • a cancer treatment (or other treatment) and at least two protective agents are administered to a patient
  • the cancer treatment (or other treatment) and the at least two protective agents may be administered as co-formulations in any combination.
  • a patient may be administered a co-formulation of a protective agent and a chemotherapeutic drug or a co-formulation containing one or more chemotherapeutic drugs and at least two protective agents.
  • a patient or subject may be administered one or more protective agents (or derivative or salt thereof) and one or more cancer treatments (or other treatment) simultaneously.
  • the method may comprise administering to a patient a protective agent and a chemotherapy as separate entities, but simultaneously.
  • a patient or subject may be administered one or more protective agents of Formula 1 or Formula 2 (or derivative or salt thereof) and one or more cancer treatments (or other treatment) sequentially.
  • the protective agent may be administered prior to administration of the cancer treatment (or other treatment).
  • a cancer patient may be administered a therapeutically effective dose of myricetin to prevent cardiotoxicity, and subsequently administered a chemotherapeutic drug (e.g., doxorubicin).
  • a cancer patient may be administered a therapeutically effective dose of myricitrin to prevent cardiotoxicity, and subsequently administered a chemotherapeutic drug (e.g., doxorubicin).
  • a cancer patient may be administered a therapeutically effective dose of vitexin to prevent cardiotoxicity, and subsequently administered a chemotherapeutic drug (e.g., doxorubicin).
  • a cancer patient may be administered a therapeutically effective dose of robinetin to prevent cardiotoxicity, and subsequently administered a chemotherapeutic drug (e.g., doxorubicin).
  • a cancer patient may be administered a therapeutically effective dose of tricetin to prevent cardiotoxicity, and subsequently administered a chemotherapeutic drug (e.g., doxorubicin).
  • the cancer treatment (or other treatment) is administered to the patient or subject prior to administration of the protective agent(s) of Formula 1 or Formula 2.
  • the patient is administered the one or more protective agents prior to receiving cancer treatment (or other treatment) and then is administered one or more protective agents following the cancer treatment.
  • the protective agent may be administered minutes, hours, days, or weeks prior to administration of a cancer treatment or other treatment (e.g., at least 5 minutes, at least 10 minutes, at least 30 minutes, at least 1 hour, at least 2 hours, at least 3 hours, at least 4 hours, at least 5 hours, at least 6 hours, at least 7 hours, at least 8 hours, at least 9 hours, at least 10 hours, at least 1 day, at least 2 days, at least 3 days, at least 5 days, at least 1 week, at least 2 weeks, at least 3 weeks, at least 4 weeks, at least 2 months, at most 2 months, at most 1 month, at most 3 weeks, at most 2 weeks, at most 1 week, at most 6 days, at most 5 days, at most 4 days, at most 3 days, at most 2 days, at most 1 day, at most 12 hours, at most 6 hours, at most 4 hours, at most 3 hours, at most
  • the protective agent has been administered to the patient at least 1 day prior to the cancer treatment. In some cases, the protective agent has been administered at most 1 day prior to the cancer treatment. In some cases, the protective agent is administered at most within 2 hours after the cancer treatment. In some cases, the protective agent is administered at most within 4 hours after the cancer treatment. In some cases, the protective agent is administered at most within 6 hours after the cancer treatment. In some cases, the protective agent is administered at most within 12 hours after the cancer treatment. In some cases, the protective agent is administered at most within 1 day after the cancer treatment. In some cases, the protective agent is administered at most within 2 days after the cancer treatment. In some cases, the protective agent is administered at most within 3 days after the cancer treatment. In some cases, the protective agent is administered at most within 4 days after the cancer treatment. In some cases, the protective agent is administered at most within 5 days after the cancer treatment.
  • the compounds of the current disclosure can be administered to a patient every time the patient is dosed with an anticancer agent with a dosage regimen described herein.
  • the protective agent may be administered to a patient within 24 hours every time before the patient is scheduled to be dosed with an anticancer agent.
  • the protective agent can be administered to a patient within 48 hours every time before the patient is scheduled to dosed with an anticancer agent.
  • the protective agent can be administered concurrently to a patient every time the patient is dosed with an anticancer agent.
  • the protective agent can be administered to a patient every time the patient has been dosed with an anticancer agent within at least 24 hours following the cancer treatment.
  • the compounds of the current disclosure may be administered by any of the accepted modes of administration of agents having similar utilities, for example, by cutaneous, oral, topical, intradermal, intrathecal, intravenous, subcutaneous, intramuscular, intra-articular, intraspinal or spinal, nasal, epidural, rectal, vaginal, or transdermal/transmucosal routes.
  • the most suitable route will depend on the nature and severity of the condition being treated.
  • Subcutaneous, intradermal and percutaneous injections can be routes for the compounds of this disclosure.
  • Sublingual administration may be a route of administration for compounds of this disclosure.
  • Intravenous administration may be a route of administration for compounds of this disclosure.
  • the pharmaceutical composition provided herein may be administered to a patient orally.
  • the pharmaceutical composition comprising a protective agent provided herein may be administered to a patient intravenously (via, e.g., injection or infusion). In another particular example, the pharmaceutical composition comprising a protective agent provided herein may be administered to a patient intramuscularly. In a particular example, the pharmaceutical composition comprising a protective agent provided herein may be administered to a patient nasally.
  • a pharmaceutical composition (e.g., for oral administration or for injection, infusion, subcutaneous delivery, intramuscular delivery, intraperitoneal delivery, sublingual delivery, or other method) may be in the form of a liquid.
  • a liquid pharmaceutical composition may include, for example, one or more of the following: a sterile diluent such as water, saline solution, preferably physiological saline, Ringer's solution, isotonic sodium chloride, fixed oils that may serve as the solvent or suspending medium, polyethylene glycols, glycerin, propylene glycol or other solvents; antibacterial agents; antioxidants; chelating agents; buffers and agents for the adjustment of tonicity such as sodium chloride or dextrose.
  • a sterile diluent such as water, saline solution, preferably physiological saline, Ringer's solution, isotonic sodium chloride, fixed oils that may serve as the solvent or suspending medium, polyethylene glycols, glycerin, propylene
  • a parenteral composition can be enclosed in ampoules, disposable syringes or multiple dose vials made of glass or plastic.
  • physiological saline is preferred, and an injectable pharmaceutical composition is preferably sterile.
  • a liquid pharmaceutical composition may be applied to the eye in the form of eye drops.
  • a liquid pharmaceutical composition may be delivered orally.
  • At least one of the compounds or agents described herein can be used alone or in combination with appropriate additives to make tablets, powders, granules or capsules, and if desired, with diluents, buffering agents, moistening agents, preservatives, coloring agents, and flavoring agents.
  • the compounds may be formulated with a buffering agent to provide for protection of the compound from low pH of the gastric environment and/or an enteric coating.
  • a compound included in a pharmaceutical composition may be formulated for oral delivery with a flavoring agent, e.g., in a liquid, solid or semi-solid formulation and/or with an enteric coating.
  • the compounds of this disclosure may be solubilized and encapsulated (e.g., in a liposome or a biodegradable polymer), or used in the form of microcrystals coated with an appropriate nontoxic lipid. In some cases, the compounds of this disclosure may be solubilized and encapsulated in a liposome, micelle or the both.
  • a pharmaceutical composition comprising any one of the compounds or agents described herein may be formulated for sustained or slow release (also called timed release or controlled release).
  • sustained or slow release also called timed release or controlled release
  • Such compositions may generally be prepared using well known technology and administered by, for example, oral, rectal, intradermal, or subcutaneous implantation, or by implantation at the desired target site.
  • Sustained-release formulations may contain the compound dispersed in a carrier matrix and/or contained within a reservoir surrounded by a rate controlling membrane. Excipients for use within such formulations are biocompatible, and may also be biodegradable; preferably the formulation provides a relatively constant level of active component release.
  • Non-limiting examples of excipients include water, alcohol, glycerol, chitosan, alginate, chondroitin, Vitamin E, mineral oil, and dimethyl sulfoxide (DMSO).
  • DMSO dimethyl sulfoxide
  • the disclosure provided herein also describes methods for preventing, reducing, or eliminating organ damage in a subject by administering to a patient one or more protective agents of Formula 1 or Formula 2.
  • the protective agent of Formula 1 or Formula 2 for preventing, reducing, or eliminating organ damage in a subject can include without limitation myricetin, vitexin, robinetin, tricetin, ficetin, 7,3′,4′,5′-tetrahydroxyflavone, dihydrorobinetin, or myricitrin (or derivative or salt thereof).
  • the organ damage may be caused by cardiac tissue damage, electrophysiological dysfunction, mitochondrial toxicity, apoptosis, or oxidative stress, leading to heart failure.
  • a pharmaceutical composition comprising a compound of Formula 1 (i.e., protective agent) may be administered to a patient that is experiencing cancer treatment-induced heart failure, wherein further hear failure is prevented by the administration of the pharmaceutical composition.
  • the pharmaceutical methods and compositions described herein prevent, reduce, or eliminate cancer treatment-induced cardiotoxicity in a patient. Accordingly, the methods and compositions provided herein enable a patient (e.g., a heart-healthy patient, a patient with cardiac disease) to receive a higher dosage of a therapy without having the dosage regimen significantly altered by the risk of cardiotoxicity.
  • a patient e.g., a heart-healthy patient, a patient with cardiac disease
  • administering a pharmaceutical composition herein to a patient can comprise administering a daily dose of greater than 0.1 mg/m 2 , 1 mg/m 2 , 2 mg/m 2 , 3 mg/m 2 , 4 mg/m 2 , 5 mg/m 2 , 6 mg/m 2 , 7 mg/m 2 , 8 mg/m 2 , 9 mg/m 2 , 10 mg/m 2 , 11 mg/m 2 , 12 mg/m 2 , 13 mg/m 2 , 14 mg/m 2 , 15 mg/m 2 , 16 mg/m 2 , 17 mg/m 2 , 18 mg/m 2 , 19 mg/m 2 , 20 mg/m 2 , 21 mg/m 2 , 22 mg/m 2 , 23 mg/m 2 , 24 mg/m 2 , 25 mg/m 2 , 26 mg/m 2 , 27 mg/m 2 , 28 mg/m 2 , 29 mg/m 2 , 30 mg/m 2 , 31 mg/m 2 , 32 mg/m 2
  • administering a pharmaceutical composition herein to a patient can comprise administering a daily dose of about 0.1 mg/m 2 , 0.2 mg/m 2 , 0.3 mg/m 2 , 0.4 mg/m 2 , 0.5 mg/m 2 , 0.6 mg/m 2 , 0.7 mg/m 2 , 0.8 mg/m 2 , 0.9 mg/m 2 , 1 mg/m 2 , 1.1 mg/m 2 , 1.2 mg/m 2 , 1.3 mg/m 2 , 1.4 mg/m 2 , 1.5 mg/m 2 , 1.6 mg/m 2 , 1.7 mg/m 2 , 1.8 mg/m 2 , 1.9 mg/m 2 , 2 mg/m 2 , 2.1 mg/m 2 , 2.2 mg/m 2 , 2.3 mg/m 2 , 2.4 mg/m 2 , 2.5 mg/m 2 , 2.6 mg/m 2 , 2.7 mg/m 2 , 2.8 mg/m 2 , 2.9 mg/m 2 , 3
  • administering a pharmaceutical composition herein to a patient can comprise administering a daily dose of about 0.1 mg/m 2 , 1 mg/m 2 , 2 mg/m 2 , 3 mg/m 2 , 4 mg/m 2 , 5 mg/m 2 , 6 mg/m 2 , 7 mg/m 2 , 8 mg/m 2 , 9 mg/m 2 , 10 mg/m 2 , 11 mg/m 2 , 12 mg/m 2 , 13 mg/m 2 , 14 mg/m 2 , 15 mg/m 2 , 16 mg/m 2 , 17 mg/m 2 , 18 mg/m 2 , 19 mg/m 2 , 20 mg/m 2 , 21 mg/m 2 , 22 mg/m 2 , 23 mg/m 2 , 24 mg/m 2 , 25 mg/m 2 , 26 mg/m 2 , 27 mg/m 2 , 28 mg/m 2 , 29 mg/m 2 , 30 mg/m 2 , 31 mg/m 2 , 32 mg/m 2 ,
  • the daily fixed dose of protective agent described herein, or collective dose of a combination of protective agents can be greater than 0.1 mg, 1 mg, 2 mg, 3 mg, 4 mg, 5 mg, 6 mg, 7 mg, 8 mg, 9 mg, 10 mg, 11 mg, 12 mg, 13 mg, 14 mg, 15 mg, 16 mg, 17 mg, 18 mg, 19 mg, 20 mg, 21 mg, 22 mg, 23 mg, 24 mg, 25 mg, 26 mg, 27 mg, 28 mg, 29 mg, 30 mg, 31 mg, 32 mg, 33 mg, 34 mg, 35 mg, 36 mg, 37 mg, 38 mg, 39 mg, 40 mg, 41 mg, 42 mg, 43 mg, 44 mg, 45 mg, 46 mg, 47 mg, 48 mg, 49 mg, 50 mg, 100 mg, 150 mg, 200 mg, 300 mg, 350 mg, 400 mg, 450 mg, 500 mg, 750 mg or higher of the protective agent (or any derivative or salt thereof).
  • the protective agent or agents is selected from the group consisting of myricetin, vitexin, robinetin, tricetin, ficetin, 7,3′,4′,5′-tetrahydroxyflavone, dihydrorobinetin, myricitrin and/or a derivative or salt thereof.
  • administering a pharmaceutical composition to a patient can comprise administering a co-formulation of a chemotherapy drug (e.g., doxorubicin) with at least 10 mg of myricetin.
  • a chemotherapy drug e.g., doxorubicin
  • administering a pharmaceutical composition herein to a patient can comprise administering a daily dose of 0.1 mg, 0.2 mg, 0.3 mg, 0.4 mg, 0.5 mg, 0.6 mg, 0.7 mg, 0.8 mg, 0.9 mg, 1 mg, 1.1 mg, 1.2 mg, 1.3 mg, 1.4 mg, 1.5 mg, 1.6 mg, 1.7 mg, 1.8 mg, 1.9 mg, 2 mg, 2.1 mg, 2.2 mg, 2.3 mg, 2.4 mg, 2.5 mg, 2.6 mg, 2.7 mg, 2.8 mg, 2.9 mg, 3 mg, 3.1 mg, 3.2 mg, 3.3 mg, 3.4 mg, 3.5 mg, 3.6 mg, 3.7 mg, 3.8 mg, 3.9 mg, 4 mg, 4.1 mg, 4.2 mg, 4.3 mg, 4.4 mg, 4.5 mg, 4.6 mg, 4.7 mg, 4.8 mg, 4.9 mg, 5 mg, 5.1 mg, 5.2 mg, 5.3 mg, 5.4 mg, 5.5 mg, 5.6 mg, 5.7 mg, 5.8 mg, 5.9 mg, 6
  • administering a pharmaceutical composition to a patient can comprise administering a co-formulation of a chemotherapy drug (e.g., doxorubicin) with at least 10 mg of myricetrin.
  • administering a pharmaceutical composition herein to a patient can comprise administering a daily dose of 0.1 mg, 0.2 mg, 0.3 mg, 0.4 mg, 0.5 mg, 0.6 mg, 0.7 mg, 0.8 mg, 0.9 mg, 1 mg, 1.1 mg, 1.2 mg, 1.3 mg, 1.4 mg, 1.5 mg, 1.6 mg, 1.7 mg, 1.8 mg, 1.9 mg, 2 mg, 2.1 mg, 2.2 mg, 2.3 mg, 2.4 mg, 2.5 mg, 2.6 mg, 2.7 mg, 2.8 mg, 2.9 mg, 3 mg, 3.1 mg, 3.2 mg, 3.3 mg, 3.4 mg, 3.5 mg, 3.6 mg, 3.7 mg, 3.8 mg, 3.9 mg, 4 mg, 4.1 mg, 4.2 mg, 4.3 mg, 4.4 mg, 4.5 mg, 4.6 mg,
  • administering a pharmaceutical composition to a patient can comprise administering a co-formulation of a chemotherapy drug (e.g., doxorubicin) with at least 10 mg of vitexin.
  • administering a pharmaceutical composition herein to a patient can comprise administering a daily dose of 0.1 mg, 0.2 mg, 0.3 mg, 0.4 mg, 0.5 mg, 0.6 mg, 0.7 mg, 0.8 mg, 0.9 mg, 1 mg, 1.1 mg, 1.2 mg, 1.3 mg, 1.4 mg, 1.5 mg, 1.6 mg, 1.7 mg, 1.8 mg, 1.9 mg, 2 mg, 2.1 mg, 2.2 mg, 2.3 mg, 2.4 mg, 2.5 mg, 2.6 mg, 2.7 mg, 2.8 mg, 2.9 mg, 3 mg, 3.1 mg, 3.2 mg, 3.3 mg, 3.4 mg, 3.5 mg, 3.6 mg, 3.7 mg, 3.8 mg, 3.9 mg, 4 mg, 4.1 mg, 4.2 mg, 4.3 mg, 4.4 mg, 4.5 mg, 4.6 mg,
  • administering a pharmaceutical composition herein to a patient can comprise administering a daily dose of 0.1 mg, 0.2 mg, 0.3 mg, 0.4 mg, 0.5 mg, 0.6 mg, 0.7 mg, 0.8 mg, 0.9 mg, 1 mg, 1.1 mg, 1.2 mg, 1.3 mg, 1.4 mg, 1.5 mg, 1.6 mg, 1.7 mg, 1.8 mg, 1.9 mg, 2 mg, 2.1 mg, 2.2 mg, 2.3 mg, 2.4 mg, 2.5 mg, 2.6 mg, 2.7 mg, 2.8 mg, 2.9 mg, 3 mg, 3.1 mg, 3.2 mg, 3.3 mg, 3.4 mg, 3.5 mg, 3.6 mg, 3.7 mg, 3.8 mg, 3.9 mg, 4 mg, 4.1 mg, 4.2 mg, 4.3 mg, 4.4 mg, 4.5 mg, 4.6 mg, 4.7 mg, 4.8 mg, 4.9 mg, 5 mg, 5.1 mg, 5.2 mg, 5.3 mg, 5.4 mg, 5.5 mg, 5.6 mg, 5.7 mg, 5.8 mg, 5.9 mg, 6
  • administering a pharmaceutical composition herein to a patient can comprise administering a daily dose of 0.1 mg, 0.2 mg, 0.3 mg, 0.4 mg, 0.5 mg, 0.6 mg, 0.7 mg, 0.8 mg, 0.9 mg, 1 mg, 1.1 mg, 1.2 mg, 1.3 mg, 1.4 mg, 1.5 mg, 1.6 mg, 1.7 mg, 1.8 mg, 1.9 mg, 2 mg, 2.1 mg, 2.2 mg, 2.3 mg, 2.4 mg, 2.5 mg, 2.6 mg, 2.7 mg, 2.8 mg, 2.9 mg, 3 mg, 3.1 mg, 3.2 mg, 3.3 mg, 3.4 mg, 3.5 mg, 3.6 mg, 3.7 mg, 3.8 mg, 3.9 mg, 4 mg, 4.1 mg, 4.2 mg, 4.3 mg, 4.4 mg, 4.5 mg, 4.6 mg, 4.7 mg, 4.8 mg, 4.9 mg, 5 mg, 5.1 mg, 5.2 mg, 5.3 mg, 5.4 mg, 5.5 mg, 5.6 mg, 5.7 mg, 5.8 mg, 5.9 mg, 6
  • administering a pharmaceutical composition herein to a patient can comprise administering a daily dose of 0.1 mg, 0.2 mg, 0.3 mg, 0.4 mg, 0.5 mg, 0.6 mg, 0.7 mg, 0.8 mg, 0.9 mg, 1 mg, 1.1 mg, 1.2 mg, 1.3 mg, 1.4 mg, 1.5 mg, 1.6 mg, 1.7 mg, 1.8 mg, 1.9 mg, 2 mg, 2.1 mg, 2.2 mg, 2.3 mg, 2.4 mg, 2.5 mg, 2.6 mg, 2.7 mg, 2.8 mg, 2.9 mg, 3 mg, 3.1 mg, 3.2 mg, 3.3 mg, 3.4 mg, 3.5 mg, 3.6 mg, 3.7 mg, 3.8 mg, 3.9 mg, 4 mg, 4.1 mg, 4.2 mg, 4.3 mg, 4.4 mg, 4.5 mg, 4.6 mg, 4.7 mg, 4.8 mg, 4.9 mg, 5 mg, 5.1 mg, 5.2 mg, 5.3 mg, 5.4 mg, 5.5 mg, 5.6 mg, 5.7 mg, 5.8 mg, 5.9 mg, 6
  • administering a pharmaceutical composition herein to a patient can comprise administering a daily dose of 0.1 mg, 0.2 mg, 0.3 mg, 0.4 mg, 0.5 mg, 0.6 mg, 0.7 mg, 0.8 mg, 0.9 mg, 1 mg, 1.1 mg, 1.2 mg, 1.3 mg, 1.4 mg, 1.5 mg, 1.6 mg, 1.7 mg, 1.8 mg, 1.9 mg, 2 mg, 2.1 mg, 2.2 mg, 2.3 mg, 2.4 mg, 2.5 mg, 2.6 mg, 2.7 mg, 2.8 mg, 2.9 mg, 3 mg, 3.1 mg, 3.2 mg, 3.3 mg, 3.4 mg, 3.5 mg, 3.6 mg, 3.7 mg, 3.8 mg, 3.9 mg, 4 mg, 4.1 mg, 4.2 mg, 4.3 mg, 4.4 mg, 4.5 mg, 4.6 mg, 4.7 mg, 4.8 mg, 4.9 mg, 5 mg, 5.1 mg, 5.2 mg, 5.3 mg, 5.4 mg, 5.5 mg, 5.6 mg, 5.7 mg, 5.8 mg, 5.9 mg, 6
  • the pharmaceutical methods and compositions described herein prevent, reduce, or eliminate cancer treatment-induced cardiotoxicity in a patient. Accordingly, the methods and compositions provided herein enable a patient to receive a therapy more frequently without having the dosage regimen significantly altered by the risk of cardiotoxicity.
  • the daily dose of a chemotherapeutic drug, biologic agent or protective agent within the pharmaceutical composition provided herein may be administered to a patient in one or more doses per day. In some cases, the daily dose of the chemotherapeutic drug may be administered in a single dose. In some cases, the daily dose of the chemotherapeutic drug may be divided into 1, 2, 3, 4, 5, 6, 7, 8, 9, or 10 doses per day.
  • the daily dose of chemotherapeutic drug can be divided into 3 doses per day.
  • the daily dose of the chemotherapeutic drug may be divided into at least 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, or 60 infusions per hour.
  • each infusion of a composition comprising a chemotherapeutic drug may last for at least 5 minutes, 10 minutes, 15 minutes, 20 minutes, 25 minutes, 30 minutes, 35 minutes, 40 minutes, 45 minutes, 50 minutes, 55 minutes, 1 hour, 1.5 hours, 2 hours, 2.5 hours, 3 hours, 3.5 hours, 4 hours, 4.5 hours, 5 hours, 5.5 hours, or 6 hours.
  • the daily dose of the biologic agent may be administered in a single dose.
  • the daily dose of the biologic agent may be divided into 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, or 24 doses per day.
  • the daily dose of biologic agent e.g., bevacizumab
  • the daily dose of the biologic agent may be divided into at least 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, or 60 infusions per hour.
  • each infusion of a composition comprising a biologic agent may last for at least 5 minutes, 10 minutes, 15 minutes, 20 minutes, 25 minutes, 30 minutes, 35 minutes, 40 minutes, 45 minutes, 50 minutes, 55 minutes, 1 hour, 1.5 hours, 2 hours, 2.5 hours, 3 hours, 3.5 hours, 4 hours, 4.5 hours, 5 hours, 5.5 hours, or 6 hours.
  • the daily dose of the protective agent may be administered in a single dose.
  • the daily dose of the protective agent may be divided into 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, or 24 doses per day.
  • the daily dose of protective agent e.g., myricetin
  • the daily dose of the protective agent may be divided into at least 1, 2, 3, 4, 5, or 6 infusions per hour.
  • each infusion of a composition comprising one or more protective agent(s) may last for at least 5 minutes, 10 minutes, 15 minutes, 20 minutes, 25 minutes, 30 minutes, 35 minutes, 40 minutes, 45 minutes, 50 minutes, 55 minutes, 1 hour, 1.5 hours, 2 hours, 2.5 hours, 3 hours, 3.5 hours, 4 hours, 4.5 hours, 5 hours, 5.5 hours, or 6 hours.
  • the pharmaceutical compositions described herein may be administered to a patient one or more times per day.
  • the pharmaceutical composition may be administered to a patient one time per day.
  • the pharmaceutical composition may be administered to a patient at least 2 times, 3 times, 4 times 5 times, 6 times, 7 times, 8 times, 9 times, 10 times, 11 times, 12 times, 13 times, 14 times, 15 times, 16 times, 17 times, 18 times, 19 times, 20 times, 21 times, 22 times, 23 times, or 24 times per day.
  • a pharmaceutical composition may be administered to a patient 3 times per day.
  • the pharmaceutical compositions described herein may be administered to a patient for one or more days.
  • the pharmaceutical composition may be administered to a patient for one day.
  • the pharmaceutical composition may be administered to the patient for at least 2 days, 3 days, 4 days, 5 days, 6 days, 1 week, 2 weeks, 3 weeks, 1 month, 2 months, 3 months, 4 months, 5 months, 6 months, 7 months, 8 months, 9 months, 10 months, 11 months, 1 year, 2 years, 3 years, 4 years, 5 years, 6 years, 7 years, 8 years, 9 years, 10 years, 20 years, 30 years, 40 years, or 50 years.
  • a cancer patient may be administered a pharmaceutical co-formulation of doxorubicin and myricetin for a period of at least 1 year.
  • the pharmaceutical composition may be administered to a patient for two or more consecutive days.
  • the pharmaceutical composition may be administered to a patient for two or more non-consecutive days.
  • a patient may be administered a pharmaceutical composition every day, consecutively, for 4 days.
  • a patient may be administered a pharmaceutical composition on day 1, day 3, day 7, and day 15.
  • the dosage amount administered to the patient on one day can be different from the dosage amount administered to the patient on a subsequent day.
  • a patient may be administered 5 mg of a pharmaceutical composition on the first day, and administered 10 mg of a pharmaceutical composition on a subsequent day.
  • the pharmaceutical compositions described herein may be effective over time.
  • the pharmaceutical composition may be effective for one or more days.
  • the duration of efficacy of the pharmaceutical composition is over a long period of time.
  • the efficacy of the pharmaceutical composition may be greater than 2 days, 3 days, 4 days, 5 days, 6 days, 1 week, 2 weeks, 3 weeks, or 1 month.
  • Methods provided herein can further comprise administering to the patient dexrazoxane (or any derivative or salt thereof) as part of any of the pharmaceutical compositions described herein.
  • Such methods allow for the administration to a patient a pharmaceutical composition containing at least one protective agent and dexrazoxane, wherein the co-formulation of at least one protective agent and dexrazoxane can provide a greater protective effect as compared to the administration of dexrazoxane alone.
  • the administration of any of the pharmaceutical compositions described herein can reduce the likelihood of cardiotoxicity across a patient pool by as much as 1%, 2%, 3%, 4%, 5%, 6%, 8%, 9%, 10%, 11%, 12%, 13%, 14%, 15%, 16%, 17%, 18%, 19%, 20%, 21%, 22%, 23%, 24%, 25%, 26%, 27%, 28%, 29%, 30%, 31%, 32%, 33%, 34%, 35%, 36%, 37%, 38%, 39%, 40%, 41%, 42%, 43%, 44%, 45%, 46%, 47%, 48%, 49%, 50%, 51%, 52%, 53%, 54%, 55%, 56%, 57%, 58%, 59%, 60%, 61%, 62%, 63%, 64%, 65%, 66%, 67%, 68%, 69%, 70%, 71%, 72%, 73%, 74%, 75%, 76%, 77%, 78%, 7
  • the dexrazoxane may be co-formulated within the pharmaceutical composition, in that it is mixed within the pharmaceutical composition, or exist as a distinct entity.
  • the cancer treatment, protective agent, and dexrazoxane may be administered concurrently. In some cases, the cancer treatment, protective agent, and dexrazoxane may be administered sequentially. In one example, a cancer patient may be administered a co-formulation of chemotherapeutic drug, dexrazoxane, and myricetin in a single dose at least one time per day. In another example, a cancer patient may be administered dexrazoxane, and subsequently administered myricetin.
  • the dose of dexrazoxane (or any derivative or salt thereof) administered within the pharmaceutical composition can be greater than 0.1 mg/m 2 , 1 mg/m 2 , 2 mg/m 2 , 3 mg/m 2 , 4 mg/m 2 , 5 mg/m 2 , 6 mg/m 2 , 7 mg/m 2 , 8 mg/m 2 , 9 mg/m 2 , 10 mg/m 2 , 11 mg/m 2 , 12 mg/m 2 , 13 mg/m 2 , 14 mg/m 2 , 15 mg/m 2 , 16 mg/m 2 , 17 mg/m 2 , 18 mg/m 2 , 19 mg/m 2 , 20 mg/m 2 , 21 mg/m 2 , 22 mg/m 2 , 23 mg/m 2 , 24 mg/m 2 , 25 mg/m 2 , 26 mg/m 2 , 27 mg/m 2 , 28 mg/m 2 , 29 mg/m 2 , 30 mg/m 2 , 31 mg/m 2 , 32 mg
  • administering a pharmaceutical composition described herein to a patient can comprise administering a dose of about 0.1 mg/kg, 0.2 mg/kg, 0.3 mg/kg, 0.4 mg/kg, 0.5 mg/kg, 0.6 mg/kg, 0.7 mg/kg, 0.8 mg/kg, 0.9 mg/kg, 1 mg/kg, 1.5 mg/kg, 2 mg/kg, 2.5 mg/kg, 3 mg/kg, 3.5 mg/kg, 4 mg/kg, 4.5 mg/kg, 5 mg/kg, 6 mg/kg, 7 mg/kg, 8 mg/kg, 9 mg/kg, 10 mg/kg, 11 mg/kg, 12 mg/kg, 13 mg/kg, 14 mg/kg, 15 mg/kg, 16 mg/kg, 17 mg/kg, 18 mg/kg, 19 mg/kg, 20 mg/kg, 21 mg/kg, 22 mg/kg, 23 mg/kg, 24 mg/kg, 25 mg/kg, 26 mg/kg, 27 mg/kg, 28 mg/kg, 29 mg/kg, 30 mg/kg, 31 mg/kg, 20
  • the protective agent can be selected from the group consisting of myricetin, vitexin, robinetin, tricetin, ficetin, 7,3′,4′,5′-tetrahydroxyflavone, dihydrorobinetin, myricitrin and a derivative or salt thereof.
  • the patient is administered intravenously with a protective agent at 0.5 mg/kg, 1 mg/kg, 1.5 mg/kg, 2 mg/kg, 2.5 mg/kg, 3 mg/kg, 3.5 mg/kg, 4 mg/kg, 4.5 mg/kg, 5 mg/kg, 6 mg/kg, 7 mg/kg, 8 mg/kg, 9 mg/kg, 10 mg/kg, 11 mg/kg, 12 mg/kg, 13 mg/kg, 14 mg/kg, 15 mg/kg, 16 mg/kg, 17 mg/kg, 18 mg/kg, 19 mg/kg, 20 mg/kg, 21 mg/kg, 22 mg/kg, 23 mg/kg, 24 mg/kg, 25 mg/kg, 26 mg/kg, 27 mg/kg, 28 mg/kg, 29 mg/kg, 30 mg/kg, 31 mg/kg, 32 mg/kg, 33 mg/kg, 34 mg/kg, 35 mg/kg, 36 mg/kg, 37 mg/kg, 38 mg/kg, 39 mg/kg, 40 mg/kg, 41 mg/kg, 42 mg/kg,
  • the patient is administered with myricetin at a dose between about 0.5 mg/kg and about 50 mg/kg at least 10 minutes before administering an anthracycline (e.g., doxorubicin, epirubicin, or idarubicin).
  • anthracycline e.g., doxorubicin, epirubicin, or idarubicin
  • the patient is administered with myricetin at a dose between about 0.5 mg/k and about 100 mg/kg at least 10 minutes before administering an anthracycline (e.g., doxorubicin, epirubicin, or idarubicin).
  • the patient is administered intravenously with myricetin at a dose between about 0.5 mg/kg and about 200 mg/kg at least 30 minutes prior to the administration of an anthracycline (e.g., doxorubicin, epirubicin, or idarubicin).
  • an anthracycline e.g., doxorubicin, epirubicin, or idarubicin
  • the patient is administered intravenously with myricetin at a dose between about 0.5 mg/kg and about 200 mg/kg at least 1 hour prior to the administration of an anthracycline (e.g., doxorubicin, epirubicin, or idarubicin).
  • the patient is administered intravenously with myricetin at a dose between about 0.5 mg/kg and about 200 mg/kg of myricetin at least 2 hours before the administration of an anthracycline (e.g., doxorubicin, epirubicin, or idarubicin).
  • an anthracycline e.g., doxorubicin, epirubicin, or idarubicin
  • the patient is administered intravenously with a dose between about 0.5 mg/kg and about 200 mg/kg of myricetin at least 4 hours prior to the administration of an anthracycline (e.g., doxorubicin, epirubicin, or idarubicin).
  • the patient is administered intravenously with myricetin at a dose between about 0.5 mg/kg and about 200 mg/kg of myricetin at least 6 hours before the administration of an anthracycline (e.g., doxorubicin, epirubicin, or idarubicin).
  • an anthracycline e.g., doxorubicin, epirubicin, or idarubicin.
  • the patient is administered intravenously with myricetin at a dose between about 0.5 mg/kg and about 200 mg/kg of myricetin within 6 hours after the administration of an anthracycline (e.g., doxorubicin, epirubicin, or idarubicin).
  • myricetin is administered orally at a dose between 0.5 mg/kg and 200 mg/kg at least 0.5, 1, 2, 3, 4, 5, or 6 hour(s) prior to the administration of an anthracycline (e.g., doxorubicin, epirubicin, or idarubicin).
  • an anthracycline e.g., doxorubicin, epirubicin, or idarubicin.
  • the patient is administered, for example, intravenously or orally with a protective agent (e.g., myricetin, vitexin, robinetin, tricetin, ficetin, 7,3′,4′,5′-tetrahydroxyflavone, dihydrorobinetin, or myricitrin) at a dose between about 0.5 mg/kg and about 200 mg/kg at least 4 hours prior to the first administration of an anthracycline (e.g., doxorubicin, epirubicin, or idarubicin) after the patient has been diagnosed with cancer.
  • a protective agent e.g., myricetin, vitexin, robinetin, tricetin, ficetin, 7,3′,4′,5′-tetrahydroxyflavone, dihydrorobinetin, or myricitrin
  • an anthracycline e.g., doxorubicin, epirubicin, or idarubic
  • compositions provided herein prevent, reduce, or eliminate cardiotoxicity in a patient caused by chemotherapeutic drugs, biologic agents, or radiation therapy. Furthermore, administering to a patient a pharmaceutical composition disclosed herein may also prevent, reduce or eliminate cancer treatment-induced organ damage (e.g., organ damage caused by cardiac tissue damage, electrophysiological dysfunction, mitochondrial toxicity, apoptosis, or oxidative stress).
  • cancer treatment-induced organ damage e.g., organ damage caused by cardiac tissue damage, electrophysiological dysfunction, mitochondrial toxicity, apoptosis, or oxidative stress.
  • cardiotoxicity may generally reduce cardiotoxicity in a patient.
  • cardiotoxicity can include, but are not limited to, mitochondrial toxicity, apoptosis, electrophysiological dysfunction (e.g., QT prolongation), mechanical dysfunction (e.g., reduced cardiac ejection fraction), oxidative stress, cardiac tissue damage (e.g., damage caused by oxidative stress, mitochondrial damage, or damage caused by an increase in the flux of reactive oxygen species), and cytotoxic injury to any organ (e.g., liver, kidney, or pancreas) that is not the heart.
  • electrophysiological dysfunction e.g., QT prolongation
  • mechanical dysfunction e.g., reduced cardiac ejection fraction
  • oxidative stress e.g., cardiac tissue damage (e.g., damage caused by oxidative stress, mitochondrial damage, or damage caused by an increase in the flux of reactive oxygen species), and cytotoxic injury to any organ (e.g., liver, kidney, or pancreas) that is not the heart.
  • Mitochondrial toxicity can refer to any damage that decreases the number of the active mitochondria within a given cell, tissue, organ, or organism.
  • mitochondrial toxicity can be measured using an in vitro assay.
  • One such method that can be used for measuring mitochondrial toxicity is by co-exposing cells to (1) a cell-permeable fluorescent dye that indicates cellular nuclei, and (2) tetramethylrhodamine methyl ester (TMRM), a cell-permeable fluorescent dye that is sequestered by active mitochondria.
  • TMRM tetramethylrhodamine methyl ester
  • Mitochondrial toxicity can be calculated as the fraction of TMRM-positive cells to the total number of cell nuclei.
  • cancer treatment-induced mitochondrial toxicity may be greater than 1%, 2%, 3%, 4%, 5%, 6%, 8%, 9%, 10%, 11%, 12%, 13%, 14%, 15%, 16%, 17%, 18%, 19%, 20%, 21%, 22%, 23%, 24%, 25%, 26%, 27%, 28%, 29%, 30%, 31%, 32%, 33%, 34%, 35%, 36%, 37%, 38%, 39%, 40%, 41%, 42%, 43%, 44%, 45%, 46%, 47%, 48%, 49%, 50%, 51%, 52%, 53%, 54%, 55%, 56%, 57%, 58%, 59%, 60%, 61%, 62%, 63%, 64%, 65%, 66%, 67%, 68%, 69%, 70%, 71%, 72%, 73%, 74%, 75%, 76%, 77%, 78%, 79%, 80%, 81%, 82%
  • exposing cardiomyocytes to 1 micromolar of doxorubicin for at least 48 hours can cause 100% mitochondrial toxicity, as compared to untreated control.
  • the pharmaceutical methods and compositions described herein generally reduce cancer treatment-induced mitochondrial toxicity.
  • exposing cardiomyocytes to any of the pharmaceutical compositions described herein can reduce mitochondrial toxicity as much as 100%, 99%, 98%, 97%, 96%, 95%, 94%, 93%, 92%, 91%, 90%, 89%, 88%, 87%, 86%, 85%, 84%, 83%, 82%, 81%, 80%, 79%, 78%, 77%, 76%, 75%, 74%, 73%, 72%, 71%, 70%, 69%, 68%, 67%, 66%, 65%, 64%, 63%, 62%, 61%, 60%, 59%, 58%, 57%, 56%, 55%, 54%, 53%, 52%, 51%, 50%, 49%, 48%, 47%, 47%, 4
  • exposing cardiomyocytes to a co-formulation of 1 micromolar doxorubicin and 115 micromolar of myricetin for at least 48 hours can reduce mitochondrial toxicity by 30%, as compared to cardiomyocytes exposed to 1 micromolar of doxorubicin.
  • Apoptosis can refer to a process by which a cell undergoes programmed cell death. Detectable changes within a cell undergoing apoptosis include, but are not limited to, the translocation of cytochrome C from the mitochondria, diminished mitochondrial function, changes in membrane structure, increased proteolytic activity, and DNA fragmentation. In some cases, apoptosis can be measured using an in vitro assay.
  • One such method that can be used for measuring apoptosis is by co-exposing cells to (1) a cell-permeable fluorescent dye that indicates cellular nuclei, and (2) CellEvent Caspase 3/7 Detection Reagent, a fluorogenic substrate for the activated caspase 3 that is uniquely present in apoptotic cells.
  • Percentage apoptosis can be calculated as the fraction of CellEvent-positive cells to the total number of cell nuclei. As measured by the in vitro assay, cancer treatment-induced apoptosis may be greater than 1%, 2%, 3%, 4%, 5%, 6%, 8%, 9%, 10%, 11%, 12%, 13%, 14%, 15%, 16%, 17%, 18%, 19%, 20%, 21%, 22%, 23%, 24%, 25%, 26%, 27%, 28%, 29%, 30%, 31%, 32%, 33%, 34%, 35%, 36%, 37%, 38%, 39%, 40%, 41%, 42%, 43%, 44%, 45%, 46%, 47%, 48%, 49%, 50%, 51%, 52%, 53%, 54%, 55%, 56%, 57%, 58%, 59%, 60%, 61%, 62%, 63%, 64%, 65%, 66%, 67%, 68%, 69%, 70%,
  • the pharmaceutical methods and compositions described herein may generally reduce cancer treatment-induced apoptosis.
  • exposing cardiomyocytes to any of the pharmaceutical compositions described herein can reduce apoptosis as much as 100%, 99%, 98%, 97%, 96%, 95%, 94%, 93%, 92%, 91%, 90%, 89%, 88%, 87%, 86%, 85%, 84%, 83%, 82%, 81%, 80%, 79%, 78%, 77%, 76%, 75%, 74%, 73%, 72%, 71%, 70%, 69%, 68%, 67%, 66%, 65%, 64%, 63%, 62%, 61%, 60%, 59%, 58%, 57%, 56%, 55%, 54%, 53%, 52%, 51%, 50%, 49%, 48%, 47%, 46%, 45%, 44%, 43%, 42%, 41%, 40%, 39%, 38%, 37%, 36%, 35%, 34%,
  • exposing cardiomyocytes to a co-formulation of 1 micromolar doxorubicin and 115 micromolar of myricetin for at least 48 hours can reduce mitochondrial toxicity by 30%, as compared to cardiomyocytes exposed to 1 micromolar doxorubicin.
  • Electrophysiological dysfunction can refer to any damage wherein the flow of ions through a biological tissue is disrupted.
  • a chemotherapeutic drug e.g., doxorubicin
  • electrophysiological dysfunction can comprise prolongation of the QT interval, and can be measured using an in vivo assay.
  • the QT interval can be used to describe the time between the start of the Q wave and the end of the T wave in an electrocardiogram.
  • QT prolongation may indicate delayed ventricular repolarization, and can predispose the heart to early after-depolarizations (EADs) leading to re-entrant arrhythmia (e.g., Torsades de Pointes).
  • a QT interval may also depend on the length of the cardiac cycle (RR), the amount of time between the onset of one QRS complex and the onset of the next QRS complex.
  • a corrected QT (QTc) interval may be used to represent a QT interval that has been corrected to account for the cycle length.
  • Administration of a chemotherapeutic drug, biologic agent, or radiation therapy to a patient may cause QTc prolongation, above the baseline QTc interval of the patient, in the absence of a protective agent.
  • the baseline QTc interval for a patient is the QTc interval measured in the patient prior to the administration of any drug.
  • administering to a patient a chemotherapeutic drug (e.g., doxorubicin) in the absence of a protective agent can cause a QTc prolongation of 40 milliseconds (ms) above the baseline QTc interval for the patient.
  • administration of a chemotherapeutic drug, biologic agent, or radiation therapy to a patient may cause a QTc prolongation of at least 1 ms, 2 ms, 3 ms, 4 ms, 5 ms, 6 ms, 7 ms, 8 ms, 9 ms, 10 ms, 15 ms, 20 ms, 25 ms, 30 ms, 35 ms, 40 ms, 45 ms, 50 ms, 55 ms, 60 ms, 65 ms, 70 ms, 75 ms, 80 ms, 85 ms, 90 ms, 95 ms, or 100 ms above the baseline QTc interval of the patient.
  • Administration of any of the pharmaceutical compositions described herein can limit the cancer treatment-induced QTc prolongation experienced by the patient, above the baseline QTc interval of the patient.
  • a co-formulation of a chemotherapeutic drug e.g., doxorubicin
  • a protective agent e.g., myricetin
  • the pharmaceutical compositions described herein can cause less than a 100 ms, 95 ms, 90 ms, 85 ms, 80 ms, 75 ms, 70 ms, 65 ms, 60 ms, 55 ms, 50 ms, 45 ms, 40 ms, 35 ms, 30 ms, 25 ms, 20 ms, 15 ms, 10 ms, 9 ms, 8 ms, 7 ms, 6 ms, 5 ms, 4 ms, 3 ms, 2 ms, or 1 ms increase in QTc prolongation above the baseline QTc interval of the patient.
  • electrophysiological dysfunction can also comprise diminished electrical activity, and can be measured using an in vitro assay.
  • Multielectrode arrays are devices that contain multiple planar conductive electrodes on which cells (e.g., cardiomyocytes) may be contacted.
  • cells e.g., cardiomyocytes
  • the size and shape of the electrical recording measured from an MEA can depend on several factors (e.g., cell homogeneity, contact between the cell and an electrode, geometry of an MEA), temporal changes can be measured by the electrode to provide information on the electrical activity of the contacting cells (e.g., percentage of active electrodes, field potential duration, and beat rate).
  • Exposing cardiomyocytes to a chemotherapeutic drug, biologic agent, or radiation therapy, in the absence of a protective agent, may cause a temporal decrease in the percentage of active electrodes (e.g., an electrode that is able to measure some electrical activity from the contacting cell), as measured by the in vitro assay.
  • active electrodes e.g., an electrode that is able to measure some electrical activity from the contacting cell
  • exposing cardiomyocytes to 1 micromolar of doxorubicin for at least 24 hours can cause a 50% decrease in the number of active electrodes, as compared to time zero.
  • exposing cardiomyocytes to a cancer treatment e.g., doxorubicin
  • a protective agent e.g., myricetin
  • exposing cardiomyocytes to a cancer treatment e.g., doxorubicin
  • a protective agent e.g., myricetin
  • exposing cardiomyocytes to a cancer treatment e.g., doxorubicin
  • a protective agent e.g., myricetin
  • the pharmaceutical methods and compositions described herein generally reduce cancer treatment-induced electrophysiological dysfunction (e.g., decrease in the number of active electrodes).
  • exposing cardiomyocytes to any of the pharmaceutical compositions described herein may induce less than a 1%, 2%, 3%, 4%, 5%, 6%, 8%, 9%, 10%, 11%, 12%, 13%, 14%, 15%, 16%, 17%, 18%, 19%, 20%, 21%, 22%, 23%, 24%, 25%, 26%, 27%, 28%, 29%, 30%, 31%, 32%, 33%, 34%, 35%, 36%, 37%, 38%, 39%, 40%, 41%, 42%, 43%, 44%, 45%, 46%, 47%, 48%, 49%, 50%, 51%, 52%, 53%, 54%, 55%, 56%, 57%, 58%, 59%, 60%, 61%, 62%, 63%, 64%, 65%, 66%, 67%
  • the pharmaceutical methods and compositions described herein generally reduce the risk that the patient will experience cardiotoxicity with the administration of a cancer treatment.
  • the pharmaceutical methods and compositions described herein can reduce the risk of cardiotoxicity in the patient by 100%, 99%, 98%, 97%, 96%, 95%, 94%, 93%, 92%, 91%, 90%, 89%, 88%, 87%, 86%, 85%, 84%, 83%, 82%, 81%, 80%, 79%, 78%, 77%, 76%, 75%, 74%, 73%, 72%, 71%, 70%, 69%, 68%, 67%, 66%, 65%, 64%, 63%, 62%, 61%, 60%, 59%, 58%, 57%, 56%, 55%, 54%, 53%, 52%, 51%, 50%, 49%, 48%, 47%, 46%, 45%, 44%, 43%, 42%, 41%, 40%, 39%, 38%, 37%, 36%, 35%, 34%, 33%, 32%, 3
  • the pharmaceutical methods and compositions disclosed herein may reduce the risk of cardiotoxicity in the patient by greater than 10%, 11%, 12%, 13%, 14%, 15%, 16%, 17%, 18%, 19%, 20%, 21%, 22%, 23%, 24%, 25%, 26%, 27%, 28%, 29%, 30%, 31%, 32%, 33%, 34%, 35%, 36%, 37%, 38%, 39%, 40%, 41%, 42%, 43%, 44%, 45%, 46%, 47%, 48%, 49%, 50%, 51%, 52%, 53%, 54%, 55%, 56%, 57%, 58%, 59%, 60%, 61%, 62%, 63%, 64%, 65%, 66%, 67%, 68%, 69%, 70%, 71%, 72%, 73%, 74%, 75%, 76%, 77%, 78%, 79%, 80%, 81%, 82%, 83%, 84%, 85%, 86%, 87%, 88%, 8
  • a patient has a 90% risk for experiencing QT prolongation when administered a chemotherapeutic drug (e.g., doxorubicin, epirubicin, or idarubicin) in the absence of a protective agent (e.g., myricetin, vitexin, robinetin, tricetin, ficetin, 7,3′,4′,5′-tetrahydroxyflavone, myricitrin and/or a derivative or salt thereof), the patient may experience a 50% reduction of risk for QT prolongation when the protective agent is administered separately or as a co-formulation with a chemotherapeutic drug, resulting in a 45% risk for QT prolongation in the patient.
  • chemotherapeutic drug e.g., doxorubicin, epirubicin, or idarubicin
  • a protective agent e.g., myricetin, vitexin, robinetin, tricetin, ficetin, 7,3′,
  • the patient is administered intravenously with a protective agent (e.g., myricetin, vitexin, robinetin, tricetin, ficetin, 7,3′,4′,5′-tetrahydroxyflavone, myricitrin and/or a derivative or salt thereof) at a dose between about 0.5 mg/kg and about 100 mg/kg at least 30 minute, 1 hour, 2 hours, 3 hours, 4 hours, 5 hours, or 6 hours prior to the administration of chemotherapeutic drug (e.g., doxorubicin, epirubicin, or idarubicin), wherein the risk for QT prolongation is reduced by at least 30%, 40%, 50%, 60%, 70%, 80%, or 90% as compared to that of control that did not receive the protective agent.
  • a protective agent e.g., myricetin, vitexin, robinetin, tricetin, ficetin, 7,3′,4′,5′-tetrahydroxyflavone,
  • anthracycline-induced cardiotoxicity on contractility can be also assessed by measuring fractional shortening (FS) and ejection fraction (EF) which are indices of systolic function.
  • FS fractional shortening
  • EF ejection fraction
  • An anthracycline such as doxorubicin can have a profound impact on contractile properties.
  • a patient administered with a protective agent of Formula 1 or Formula 2 can experience significantly reduced, e.g., doxorubicin-induced cardiotoxicity as observed by marked improvements in FS and EF.
  • a protective agent of Formula 1 or Formula 2 e.g., myricetin, vitexin, robinetin, tricetin, ficetin, 7,3′,4′,5′-tetrahydroxyflavone, dihydrorobinetin, myricitrin and/or a derivative or salt thereof
  • doxorubicin-induced cardiotoxicity as observed by marked improvements in FS and EF.
  • myricetin can rescue anthracycline-induced FS and EF dysfunction by at least 30%, 40%, 50%, 60%, 70%, 80%, 90% in the patient as compared to a control group that has been treated with anthracycline, but not dosed with the protective agent.
  • therapeutically effective amount may generally refer to the amount (or dose) of a compound or other therapy that is minimally sufficient to prevent, reduce, treat or eliminate a condition, or risk thereof, when administered to a subject in need of such compound or other therapy.
  • therapeutically effective amount may refer to that amount of compound or other therapy that is sufficient to have a prophylactic effect when administered to a subject.
  • the therapeutically effective amount may vary; for example, it may vary depending upon the subject's condition, the weight and age of the subject, the severity of the disease condition, the manner of administration and the like, all of which may be determined by one of ordinary skill in the art.
  • the pharmaceutical compositions disclosed herein may comprise a protective agent disclosed in Formula 1 or Formula 2 (e.g., myricetin, vitexin, robinetin, tricetin, ficetin, 7,3′,4′,5′-tetrahydroxyflavone, dihydrorobinetin, myricitrin and/or a derivative or salt thereof).
  • the pharmaceutical composition may comprise one or more protective agents in any combination, two or more agents in any combination, three or more protective agents in any combination, or four or more protective agents in any combination.
  • the pharmaceutical composition can be a co-formulation of at least two protective agents (e.g., myricetin, vitexin, robinetin, tricetin, ficetin, 7,3′,4′,5′-tetrahydroxyflavone, myricetin (myricitrin), dexrazoxane, and/or a derivative or salt thereof), or a co-formulation of at least one protective agent and a cancer treatment (e.g., chemotherapeutic drug, biologic agent, protein kinase inhibitor or radiation therapy).
  • the protective agents within the pharmaceutical composition may reduce, eliminate or prevent cardiotoxicity induced by the cancer treatment. Additionally, the protective agents within the pharmaceutical composition may also reduce, eliminate or prevent organ damage induced by the cancer treatment.
  • this disclosure provides a co-formulation comprising myricetin and dexrazoxane.
  • this disclosure provides a co-formulation comprising the chemotherapeutic drug doxorubicin and myricetin.
  • At least one of the protective agents in the composition may be a flavonoid, or a derivative thereof.
  • a flavonoid may be any compound with a 15-carbon skeleton backbone consisting of two phenyl and one heterocyclic ring.
  • Flavonoids may belong to any of the following classes of compounds including, but not limited to, anthroxanthins, flavanones, flavonols, flavanonols, flavans, anthocyanadins, bioflavonoids, isoflavonoids, isoflavones, isoflavanes, isoflavandiols, isoflavenes, or neoflavonoids.
  • Non-limiting examples of flavonoids include ayanin, carlinoside, dihydrodaidzein, dihydroobavatin, irigenin, isoanhydroicaritin, isokurarinone, isoxanthohumol, gardenin, lupiwighteone, methoxypuerarin, mirificin, myricetin, myricetrin (myricitrin), dihydromyricetin, pyrroside, kaempferol, quercetin, swertisin, syzalterin, tricetin, ficetin, robinetin, dihydrorobinetin, 7,3′,4′,5′-tetrahydoxylflavone, 5,7,3′,4′,5′-pentahydoxyflavone or thevetiaflavone.
  • a pharmaceutical composition disclosed herein may comprise the flavone such as 7,3′,4′,5′-tetrahyodxyflavone and tricetin.
  • a pharmaceutical composition disclosed herein may comprise the flavonol such as myricetin, ficetin, robinetin, quercetin and kaempferol.
  • a pharmaceutical composition disclosed herein may comprise myricetrin.
  • a pharmaceutical composition disclosed herein may comprise the flavanolol such as dihydromyricetin and dihydrorobinetin.
  • a pharmaceutical composition disclosed herein may comprise a co-formulation of dexrazoxane and the flavonoid myricetin.
  • the flavonoid myricetin may regulate mitochondrial toxicity in the heart by altering the activity of pyruvate dehydrogenase kinase (PDK4), a protein that may regulate enzymatic activity in cardiac tissue
  • compositions described herein may comprise a compound according to Formula 1,
  • X 1 is CR 5 R 6 , NR 5 , O, S, C ⁇ O, or C ⁇ S;
  • each of R 2 , R 3 , R 5 , R 6 , R 9 , and R 10 is independently alkyl, alkenyl, alkynyl, alkoxy, acyl, acyloxy, carboxylic acid, ester, amine, amide, carbonate, carbamate, nitro, thioether, thioester, cycloalkyl, heteroalkyl, heterocyclyl, monosaccharide, aryl, or heteroaryl, any of which is substituted or unsubstituted, halogen, hydroxyl, sulfhydryl, nitro, nitroso, cyano, azido, or H;
  • R 4 , R 7 and R 8 are alkoxy, hydroxyl or H;
  • W 1 is O or S; or
  • X 1 can be O or S; each of R 1 , R 2 , R 3 , R 9 , and R 10 can be independently alkoxy, cycloalkyl, halogen, hydroxyl, sulfhydryl, nitro, nitroso, cyano, azido, or H; and each of R 4 , R 7 and R 8 can be alkoxy, hydroxyl or H.
  • X 1 can be O; each of R 2 , R 3 , R 9 , and R 10 can be independently alkoxy, cycloalkyl, halogen, hydroxyl, sulfhydryl, nitro, nitroso, cyano, azido, or H; and each of R 4 , R 7 and R 8 can be alkoxy, hydroxyl or H.
  • X 1 can be O; each of R 1 and R 2 can be independently hydroxyl or H; each of R 3 , R 9 and R 10 can be cycloalkyl, heterocyclyl, hydroxyl, or H; R 4 can be hydroxyl; and R 7 and R 8 can be hydroxyl or H.
  • X 1 can be O; R 1 can be hydroxyl; each of R 2 and R 3 can be independently hydroxyl or H; R 9 and R 10 can be H; R 4 can be hydroxyl; and R 7 and R 8 can be hydroxyl or H.
  • X 1 is O; R 1 is hydroxyl; each of R 2 and R 3 can be independently hydroxyl or H; R 9 can be heterocyclyl or H; of R 10 is H; R 4 can be independently hydroxyl or H; and each of R 7 and R 8 can be independently hydroxyl or H.
  • X 1 is O; R 1 is hydroxyl; each of R 2 and R 9 can be independently hydroxyl or H; R 3 can be cycloalkyl, hydroxyl or H; R 10 is H; R4 is hydroxyl; and each of R 7 and R 8 can be independently hydroxyl or H.
  • cycloalkyl of R 3 can be a monosaccharide.
  • the compound can be of the following formula:
  • the compound can be myricetin. In one particular example, the compound can be robinetin. In one particular example, the compound can be tricetin. In one particular example, the compound can be 7,3′,4′,5′-tetrahydroxyflavone. In one particular example, the compound can be ficetin. In one particular example, the compound can be kaempferol. In one particular example, the compound can be quercetin.
  • a protective agent within the pharmaceutical composition can be a compound with the following structure:
  • a protective agent within the pharmaceutical composition can be vitexin, wherein vitexin has the following structure:
  • the compound may be a compound according to Formula 1, wherein R 1 is hydroxyl, R 2 is hydroxyl, R 3 is monosaccharide, R 4 is hydroxyl, R 7 is hydroxyl, R 8 is hydroxyl, R 9 is H, R 10 is H, X 1 is O, and W 1 is O, or a salt thereof.
  • the compound can be of the following formula:
  • the compound can be myricetrin/myricitrin.
  • the monosaccharide can be a natural or unnatural sugar molecule.
  • a monosaccharide include glucose, dextrose, fructose, galactose mannose, ribose, deoxyribose, D-allose, L-allose, D-altrose, L-altrose, D-fucose, L-fucose, D-gulose, L-gulose, D-sorbose, D-tagatose, D-arabinose, L-arabinose, D-lyxose, L-lyxose, rhamnose, D-ribose, ribulose, sucroribulose, D-xylose, D-erythrose, L-erythrose, erythrulose, D-threose, and L-threose.
  • compositions described herein may comprise a compound according to Formula 2,
  • X 1 is CR 5 R 6 , NR 5 , O, S, C ⁇ O, or C ⁇ S; represents a single or double bond; each of R 2 , R 3 , R 5 , R 6 , R 9 , and R 10 is independently alkyl, alkenyl, alkynyl, alkoxy, acyl, acyloxy, carboxylic acid, ester, amine, amide, carbonate, carbamate, nitro, thioether, thioester, cycloalkyl, heteroalkyl, heterocyclyl, monosaccharide, aryl, or heteroaryl, any of which is substituted or unsubstituted, halogen, hydroxyl, sulfhydryl, nitro, nitroso, cyano, azido, or H; R 4 , R 7 and R 8 are hydroxyl;
  • W 1 is O or S
  • the pharmaceutical compositions Formula 2 may comprise a dihydrorobinetin.
  • the cancer treatment within the pharmaceutical composition described herein may be a chemotherapeutic drug (e.g., anthracyclines, protein kinase inhibitors, and proteasome inhibitors).
  • a chemotherapeutic drug e.g., anthracyclines, protein kinase inhibitors, and proteasome inhibitors.
  • the chemotherapeutic drug may be a drug that can induce cardiotoxicity in a patient or subject.
  • Non-limiting examples of an anthracycline may include daunorubicin, doxorubicin, epirubicin, idarubicin, mitoxantrone, or valrubicin.
  • Non-limiting examples of a protein kinase inhibitor may include a tyrosine kinase inhibitor, afatinib, axitinib, bosutinib, cabozantinib, carfilzomib, ceritinib, cobimetanib, crizotinib, dabrafenib, dasatinib, erlotinib, everolimus, gefitinib, ibrutinib, imatinib, lapatinib, lenvatinib, nilotinib, nintedanib, osimertinib, palbociclib, pazopanib, pegaptanib, ponatinib, regorafenib, ruxolitinib, sirolimus, sorafenib, sunitinib, tofacitinib, tofacitinib, temsiroli
  • Non-limiting examples of tyrosine kinase inhibitors that cause cardiotoxicity include dasatinib, imatinib, lapatinib, mesylate, nilotinib, sorafenib and sunitinib.
  • Non-limiting example of proteasome inhibitors include bortezomib.
  • a pharmaceutical composition disclosed herein may comprise a co-formulation of an anthracycline (e.g., doxorubicin) and a compound of Formula 1 or Formula 2 (e.g., myricetin, vitexin, robinetin, tricetin, ficetin, 7,3′,4′,5′-tetrahydroxyflavone, dihydrorobinetin, myricitrin, and/or a derivative or salt thereof).
  • the pharmaceutical composition comprises a co-formulation of doxorubicin and myricetin.
  • the pharmaceutical composition disclosed herein may comprise a co-formulation of a protein kinase inhibitor or proteasome inhibitor (e.g., afatinib or bortezomib) and myricetin.
  • the pharmaceutical composition disclosed herein may comprise a co-formulation of tyrosine kinase inhibitor and a protective agent.
  • the pharmaceutical composition disclosed herein may comprise a co-formulation of sunitinib and myricetin.
  • the pharmaceutical composition disclosed herein may comprise a co-formulation of sorafenib and myricetin.
  • the cancer treatment within the pharmaceutical composition described herein may be a biologic agent (e.g., an antibody).
  • a biologic agent include adotrastuzumabemtansine, alemtuzumab, bevacizumab, blinatumomab, brentuximab vedotin, catumaxomab, cetuximab, gemtuzumab ozogamicin, ibritumomab tiuxetan, ipilimumab, necitumumab, nivolumab, obinutuzumab, ofatumumab, panitumumab, pembrolizumab, pertuzumab, ramucirumab, rituximab, tositumomab-I131, or trastuzumab.
  • a pharmaceutical composition disclosed herein may comprise a co-formulation of bevacizumab and
  • the compounds of the current disclosure, or their pharmaceutically acceptable salts may contain one or more asymmetric centers and may thus give rise to enantiomers, diastereomers, and other stereoisomeric forms that are defined, in terms of absolute stereochemistry, as (R)- or (S)- or, as (D)- or (L)- for amino acids.
  • the present invention is meant to include all such possible isomers, as well as their racemic and optically pure forms.
  • a “stereoisomer” refers to a compound made up of the same atoms bonded by the same bonds but having different three-dimensional structures, which are not interchangeable.
  • the present disclosure contemplates various stereoisomers and mixtures thereof and includes “enantiomers”, which refers to two stereoisomers whose molecules are nonsuperimposeable mirror images of one another.
  • Optically active (+) and ( ⁇ ), (R)- and (S)-, or (D)- and (L)-isomers may be prepared using chiral synthons or chiral reagents, or resolved using conventional techniques, for example, chromatography and fractional crystallization.
  • Conventional techniques for the preparation/isolation of individual enantiomers include chiral synthesis from a suitable optically pure precursor or resolution of the racemate (or the racemate of a salt or derivative) using, for example, chiral high pressure liquid chromatography (HPLC).
  • HPLC high pressure liquid chromatography
  • the (R)- and (S)-isomers of the compounds of the present disclosure may be resolved by methods known to those skilled in the art, for example by formation of diastereoisomeric salts or complexes which may be separated, for example, by crystallization; via formation of diasteroisomeric derivatives which may be separated, for example, by crystallization, gas-liquid or liquid chromatography; selective reaction of one enantiomer with an enantiomer-specific reagent, for example enzymatic oxidation or reduction, followed by separation of the modified and unmodified enantiomers; or gas-liquid or liquid chromatography in a chiral environment, for example on a chiral support, such as silica with a bound chiral ligand or in the presence of a chiral solvent.
  • a specific enantiomer may be synthesized by asymmetric synthesis using optically active reagents, substrates, catalysts or solvents, or by converting one en
  • Compounds may be dosed in their enantiomerically pure form. In some examples, the compound has an enantiomeric excess greater than about 50%, 60%, 70%, 80%, 90%, 95%, 96%, 97%, 98%, or 99%. Compounds may be dosed in their diasteriomerically pure form. In some examples, the compound has a diasteriomeric excess greater than about 50%, 60%, 70%, 80%, 90%, 95%, 96%, 97%, 98%, or 99%.
  • Stereocenters may be defined using the Cahn-Ingold-Prelog priority rules. Compounds may have stereocenters in the R-configuration. Compounds may have stereocenters in the S-configuration.
  • Some compounds may exhibit polymorphism. It is to be understood that the present disclosure encompasses any racemic, optically-active, polymorphic, or stereoisomeric form, or mixtures thereof, of a compound of the disclosure, which possesses the useful properties described herein, it being well known in the art how to prepare optically active forms (for example, by resolution of the racemic form by recrystallization techniques, by synthesis from optically-active starting materials, by chiral synthesis, or by chromatographic separation using a chiral stationary phase).
  • more than one compound of the current disclosure may be administered at a time to a subject.
  • two compounds of the current disclosure in combination may act synergistically or additively, and either compound may be used in a lesser amount than if administered alone.
  • compounds disclosed herein and/or pharmaceutical compositions thereof can be used in combination therapy with other therapeutic agents.
  • the compounds disclosed herein and/or pharmaceutical compositions thereof and the therapeutic agent can act additively or, more preferably, synergistically.
  • compounds disclosed herein and/or pharmaceutical compositions thereof are administered concurrently with the administration of another therapeutic agent.
  • compounds disclosed herein and/or pharmaceutical compositions thereof may be administered together with another therapeutic agent.
  • compounds disclosed herein and/or pharmaceutical compositions thereof are administered prior or subsequent to administration of other therapeutic agents.
  • the compounds of the present disclosure are generally administered in a therapeutically effective amount.
  • the amount of the compound actually administered may be determined by a physician or caregiver, in the light of the relevant circumstances, including the condition to be treated, the chosen route of administration, the compound administered and its relative activity, the age, weight, the response of the individual patient, the severity of the patient's symptoms, and the like.
  • the present disclosure further provides salts of any compound described herein.
  • the term “salt” refers to salts derived from a variety of organic and inorganic counter ions well known in the art. Salts include, for example, acid-addition salts and base-addition salts.
  • the acid that is added to a compound to form an acid-addition salt can be an organic acid or an inorganic acid.
  • Inorganic acids from which salts can be derived include, for example, hydrochloric acid, hydrobromic acid, sulfuric acid, nitric acid, phosphoric acid, and the like.
  • Organic acids from which salts can be derived include, for example, acetic acid, propionic acid, glycolic acid, pyruvic acid, oxalic acid, maleic acid, malonic acid, succinic acid, fumaric acid, tartaric acid, citric acid, benzoic acid, cinnamic acid, mandelic acid, methanesulfonic acid, ethanesulfonic acid, p-toluenesulfonic acid, salicylic acid, and the like.
  • a base that is added to a compound to form a base-addition salt can be an organic base or an inorganic base.
  • a salt can be a metal salt.
  • a salt can be an ammonium salt.
  • Inorganic bases from which salts can be derived include, for example, sodium, potassium, lithium, ammonium, calcium, magnesium, iron, zinc, copper, manganese, aluminum, and the like.
  • Organic bases from which salts can be derived include, for example, primary, secondary, and tertiary amines, substituted amines including naturally occurring substituted amines, cyclic amines, basic ion exchange resins, and the like.
  • Acid addition salts can arise from the addition of an acid to a compound described herein.
  • the acid can be organic.
  • the acid can be inorganic.
  • suitable acids include hydrochloric acid, hydrobromic acid, hydroiodic acid, nitric acid, nitrous acid, sulfuric acid, sulfurous acid, a phosphoric acid, nicotinic acid, isonicotinic acid, lactic acid, salicylic acid, 4-aminosalicylic acid, tartaric acid, ascorbic acid, gentisinic acid, gluconic acid, glucaronic acid, saccaric acid, formic acid, benzoic acid, glutamic acid, pantothenic acid, acetic acid, propionic acid, butyric acid, fumaric acid, succinic acid, citric acid, oxalic acid, maleic acid, hydroxymaleic acid, methylmaleic acid, glycolic acid, malic acid, cinnamic acid, mandelic acid, 2-phen
  • Non-limiting examples of suitable acid addition salts include a hydrochloride salt, a hydrobromide salt, a hydroiodide salt, a nitrate salt, a nitrite salt, a sulfate salt, a sulfite salt, a phosphate salt, a hydrogen phosphate salt, a dihydrogen phosphate salt, a carbonate salt, a bicarbonate salt, a nicotinate salt, an isonicotinate salt, a lactate salt, a salicylate salt, a 4-aminosalicylate salt, a tartrate salt, an ascorbate salt, a gentisinate salt, a gluconate salt, a glucaronate salt, a saccarate salt, a formate salt, a benzoate salt, a glutamate salt, a pantothenate salt, an acetate salt, a propionate salt, a butyrate salt, a fumarate salt, a succinate salt
  • Metal salts can arise from the addition of an inorganic base to a compound described herein.
  • the inorganic base consists of a metal cation paired with a basic counterion, such as, for example, hydroxide, carbonate, bicarbonate, or phosphate.
  • the metal can be an alkali metal, alkaline earth metal, transition metal, or main group metal.
  • suitable metals include lithium, sodium, potassium, caesium, cerium, magnesium, manganese, iron, calcium, strontium, cobalt, titanium, aluminium, copper, cadmium, and zinc.
  • Non-limiting examples of suitable metal salts include a lithium salt, a sodium salt, a potassium salt, a caesium salt, a cerium salt, a magnesium salt, a manganese salt, an iron salt, a calcium salt, a strontium salt, a cobalt salt, a titanium salt, an aluminium salt, a copper salt, a cadmium salt, and a zinc salt.
  • Ammonium salts can arise from the addition of ammonia or an organic amine to a compound described herein.
  • Non-limiting examples of suitable organic amines include triethyl amine, diisopropyl amine, ethanol amine, diethanol amine, triethanol amine, morpholine, N-methylmorpholine, piperidine, N-methylpiperidine, N-ethylpiperidine, dibenzyl amine, piperazine, pyridine, pyrrazole, pipyrrazole, imidazole, pyrazine, pipyrazine, ethylenediamine, N,N′-dibenzylethylene diamine, procaine, chloroprocaine, choline, dicyclohexyl amine, and N-methylglucamine.
  • Non-limiting examples of suitable ammonium salts can be a triethyl amine salt, a diisopropyl amine salt, an ethanol amine salt, a diethanol amine salt, a triethanol amine salt, a morpholine salt, an N-methylmorpholine salt, a piperidine salt, an N-methylpiperidine salt, an N-ethylpiperidine salt, a dibenzyl amine salt, a piperazine salt, a pyridine salt, a pyrrazole salt, a pipyrrazole salt, an imidazole salt, a pyrazine salt, a pipyrazine salt, an ethylene diamine salt, an N,N′-dibenzylethylene diamine salt, a procaine salt, a chloroprocaine salt, a choline salt, a dicyclohexyl amine salt, and a N-methylglucamine salt.
  • pharmaceutically acceptable carrier or “pharmaceutically acceptable excipient” includes any and all solvents, dispersion media, coatings, antibacterial and antifungal agents, isotonic and absorption delaying agents and the like.
  • the use of such media and agents for pharmaceutically active substances is well known in the art. Except insofar as any conventional media or agent is incompatible with the active ingredient, its use in the therapeutic compositions of the disclosure is contemplated. Supplementary active ingredients can also be incorporated into the compositions.
  • pharmaceutically acceptable excipient is intended to include vehicles and carriers capable of being co-administered with a compound to facilitate the performance of its intended function.
  • vehicles and carriers capable of being co-administered with a compound to facilitate the performance of its intended function.
  • the use of such media for pharmaceutically active substances is well known in the art.
  • examples of such vehicles and carriers include solutions, solvents, dispersion media, delay agents, emulsions and the like. Any other conventional carrier suitable for use with the multi-binding compounds also falls within the scope of the present disclosure.
  • the active ingredient can be diluted by an excipient.
  • suitable excipients include lactose, dextrose, sucrose, sorbitol, mannitol, starches, gum acacia, calcium phosphate, alginates, tragacanth, gelatin, calcium silicate, microcrystalline cellulose, PEG, polyvinylpyrrolidone, cellulose, water, sterile saline, syrup, and methyl cellulose.
  • the formulations can additionally include: lubricating agents such as talc, magnesium stearate, and mineral oil; wetting agents; emulsifying and suspending agents; preserving agents such as methyl- and propylhydroxy-benzoates; sweetening agents; and flavoring agents.
  • lubricating agents such as talc, magnesium stearate, and mineral oil
  • wetting agents such as talc, magnesium stearate, and mineral oil
  • emulsifying and suspending agents such as methyl- and propylhydroxy-benzoates
  • preserving agents such as methyl- and propylhydroxy-benzoates
  • sweetening agents and flavoring agents.
  • the pharmaceutical compositions described herein may comprise an excipient that can provide long term preservation, bulk up a formulation that contains potent active ingredients, facilitate drug absorption, reduce viscosity, add flavoring, or enhance the solubility of the pharmaceutical composition.
  • excipients can include anti-adherents, binders (e.g., sucrose, lactose, starches, cellulose, gelatin, or polyethylene glycol), coatings (e.g., hydroxypropyl methylcellulose or gelatin), disintegrants, dyes, flavors (e.g., mint, peach, raspberry, or vanilla), glidants, lubricants, preservatives (e.g., acids, esters, phenols, mercurial compounds, or ammonium compounds), sorbents, or vehicles (e.g., petroleum or mineral oil).
  • binders e.g., sucrose, lactose, starches, cellulose, gelatin, or polyethylene glycol
  • coatings e.g., hydroxy
  • compositions disclosed herein may be any type of formulation including solid formulations comprising a compound of Formula 1 or Formula 2.
  • the solid formulation comprises at least 0.01 mg, 0.1 mg, 1 mg, 2 mg, 3 mg, 4 mg, 5 mg, 6 mg, 7 mg, 8 mg, 9 mg, 10 mg, 20 mg, 30 mg, 40 mg, 50 mg, 60 mg, 70 mg, 80 mg, 90 mg, 100 mg, 150 mg, 200 mg, 250 mg, 300 mg, 350 mg, 400 mg, 450 mg, 500 mg, 550 mg, 600 mg, 650 mg, 700 mg, 750 mg, 800 mg, 850 mg, 900 mg, 950 mg, or 1000 mg of one or more protective agent of Formula 1 or Formula 2 formulated singly or in combination with a chemotherapeutic drug or biologic.
  • the solid formulation may comprise at least 0.1 mg, 1 mg, 2 mg, 3 mg, 4 mg, 5 mg, 6 mg, 7 mg, 8 mg, 9 mg, 10 mg, 20 mg, 30 mg, 40 mg, 50 mg, 60 mg, 70 mg, 80 mg, 90 mg, 100 mg, 150 mg, 200 mg, 250 mg, 300 mg, 350 mg, 400 mg, 450 mg, 500 mg, 550 mg, 600 mg, 650 mg, 700 mg, 750 mg, 800 mg, 850 mg, 900 mg, 950 mg, 1 g, 5 g, 10 g, 25 g, 50 g or 100 g of one or more protective agents (e.g., myricetin, and/or a derivative or salt thereof).
  • one or more protective agents e.g., myricetin, and/or a derivative or salt thereof.
  • a pharmaceutical composition described herein may be a 100 mg solid co-formulation of myricetin (75 g of the 100 mg dose) and doxorubicin (25 mg of the 100 mg dose).
  • the solid formulation (or other type of formulation) can comprise at least 0.1 mg, 1 mg, 2 mg, 3 mg, 4 mg, 5 mg, 6 mg, 7 mg, 8 mg, 9 mg, 10 mg, 20 mg, 30 mg, 40 mg, 50 mg, 60 mg, 70 mg, 80 mg, 90 mg, 100 mg, 150 mg, 200 mg, 250 mg, 300 mg, 350 mg, 400 mg, 450 mg, 500 mg, 550 mg, 600 mg, 650 mg, 700 mg, 750 mg, 800 mg, 850 mg, 900 mg, 950 mg, or 1000 mg of dexrazoxane.
  • a pharmaceutical composition described herein may comprise a 100 mg solid co-formulation of myricetin (75 mg of the 100 mg dose) and dexrazoxane (25 mg of the 100 mg dose).
  • the pharmaceutical compositions disclosed herein may be a liquid formulation.
  • the liquid formulation can comprise at least 0.1 mg/ml, 1 mg/ml, 2 mg/ml, 3 mg/ml, 4 mg/ml, 5 mg/ml, 6 mg/ml, 7 mg/ml, 8 mg/ml, 9 mg/ml, 10 mg/ml, 20 mg/ml, 30 mg/ml, 40 mg/ml, 50 mg/ml, 60 mg/ml, 70 mg/ml, 80 mg/ml, 90 mg/ml, 100 mg/ml, 150 mg/ml, 200 mg/ml, 250 mg/ml, 300 mg/ml, 350 mg/ml, 400 mg/ml, 450 mg/ml, 500 mg/ml, 550 mg/ml, 600 mg/ml, 650 mg/ml, 700 mg/ml, 750 mg/ml, 800 mg/ml, 850 mg/ml, 900 mg/ml, 950 mg/ml,
  • the liquid formulation may comprise at least 0.1 mg/ml, 1 mg/ml, 2 mg/ml, 3 mg/ml, 4 mg/ml, 5 mg/ml, 6 mg/ml, 7 mg/ml, 8 mg/ml, 9 mg/ml, 10 mg/ml, 20 mg/ml, 30 mg/ml, 40 mg/ml, 50 mg/ml, 60 mg/ml, 70 mg/ml, 80 mg/ml, 90 mg/ml, 100 mg/ml, 150 mg/ml, 200 mg/ml, 250 mg/ml, 300 mg/ml, 350 mg/ml, 400 mg/ml, 450 mg/ml, 500 mg/ml, 550 mg/ml, 600 mg/ml, 650 mg/ml, 700 mg/ml, 750 mg/ml, 800 mg/ml, 850 mg/ml, 900 mg/ml, 950 mg/ml, or 1000 mg/ml concentration of myricetin, or
  • the liquid formulation can comprise at least 0.1 mg/ml, 1 mg/ml, 2 mg/ml, 3 mg/ml, 4 mg/ml, 5 mg/ml, 6 mg/ml, 7 mg/ml, 8 mg/ml, 9 mg/ml, 10 mg/ml, 20 mg/ml, 30 mg/ml, 40 mg/ml, 50 mg/ml, 60 mg/ml, 70 mg/ml, 80 mg/ml, 90 mg/ml, 100 mg/ml, 150 mg/ml, 200 mg/ml, 250 mg/ml, 300 mg/ml, 350 mg/ml, 400 mg/ml, 450 mg/ml, 500 mg/ml, 550 mg/ml, 600 mg/ml, 650 mg/ml, 700 mg/ml, 750 mg/ml, 800 mg/ml, 850 mg/ml, 900 mg/ml, 950 mg/ml, or 1000 mg/ml concentration of dexrazoxan
  • a pharmaceutical composition described herein may comprise at least 2 protective agents.
  • the molar ratio of one protective agent to at least one other protective agent can be about 1:1, about 1:2, about 1:3, about 1:4, about 1:5, about 1:6, about 1:7, about 1:8, about 1:9, about 1:10, about 1:20, about 1:30, about 1:40, about 1:50, about 1:60, about 1:70, about 1:80, about 1:90, about 1:100, about 1:1,000, about 1:10,000, or about 1:>10,000.
  • a pharmaceutical composition described herein may comprise a cancer treatment (e.g., chemotherapeutic drug or biologic agent) and at least one protective agent.
  • the molar ratio of the cancer treatment to at least one other protective agent can be about >10,000:1, about 10,000:1, about 1,000:1, about 100:1, about 90:1, about 80:1, about 70:1, about 60:1, about 50:1, about 40:1, about 30:1, about 20:1, about 10:1, about 9:1, about 8:1, about 7:1, about 6:1, about 5:1, about 4:1, about 3:1, about 2:1, about 1:1, about 1:2, about 1:3, about 1:4, about 1:5, about 1:6, about 1:7, about 1:8, about 1:9, about 1:10, about 1:20, about 1:30, about 1:40, about 1:50, about 1:60, about 1:70, about 1:80, about 1:90, about 1:100, about 1:1,000, about 1:10,000, or about 1:>10,000
  • the pharmaceutical compositions disclosed herein may be assembled into kits.
  • the kit can comprise a protective agent, wherein the protective agent may exist as distinct entities within the kit or as a co-formulation.
  • the kit may comprise one or more protective agents selected from the group consisting of myricetin, tricetin, robinetin, ficetin, vitexin, dihydrorobinetin, 7,3′,4′,5′-tetrahydroxyflavone, myricitrin, and dexrozoxane.
  • the kit can comprise at least two protective agents, wherein the two protective agents may exist as distinct entities within the kit or as a co-formulation.
  • the kit may comprise at least two protective agents selected from the group consisting of myricetin, tricetin, robinetin, ficetin, vitexin, dihydrorobinetin, 7,3′,4′,5′-tetrahydroxyflavone, myricitrin, and dexrozoxane.
  • the kit may comprise a co-formulation of myricetin and dexrazoxane.
  • the kit can comprise a cancer treatment and at least one protective agent, wherein the cancer treatment and at least one protective agent may exist as distinct entities within the kit or as a co-formulation.
  • the kit may comprise a cancer treatment and myricetin and/or a derivative thereof.
  • the kit may comprise a cancer treatment and robinetin and/or a derivative thereof.
  • the kit may comprise a cancer treatment and dihydrorobinetin and/or a derivative thereof.
  • the kit may comprise a cancer treatment and tricetin and/or a derivative thereof.
  • the kit may comprise a cancer treatment and ficetin and/or a derivative thereof.
  • the kit may comprise a cancer treatment and 7,3′,4′,5′-tetrahydroxyflavone and/or a derivative thereof.
  • the kit may comprise a co-formulation of doxorubicin and myricetin.
  • the kit may also comprise instructions for use.
  • the kit may also comprise vials, tubes, needles, packaging, or other materials.
  • Kits with unit doses of one or more of the compounds described herein, usually in oral or injectable doses are provided.
  • Such kits may include a container containing the unit dose, an informational package insert describing the use and attendant benefits of the drugs in treating the disease, and optionally an appliance or device for delivery of the composition.
  • kits may further comprise any device suitable for administration of the composition.
  • a kit comprising an injectable formulation of pharmaceutical compositions may comprise a needle suitable for subcutaneous administration and an alcohol wipe for sterilization of the injection site.
  • kits may be provided with instructions.
  • the instructions may be provided in the kit or they may be accessed electronically.
  • the instructions may provide information on how to use the compositions of the present disclosure.
  • the instructions may further provide information on how to use the devices of the present disclosure.
  • the instructions may provide information on how to perform the methods of the disclosure.
  • the instructions may provide dosing information.
  • the instructions may provide drug information such as the mechanism of action, the formulation of the drug, adverse risks, contraindications, and the like.
  • the kit is purchased by a physician or health care provider for administration at a clinic or hospital.
  • the kit is purchased by a laboratory and used for screening candidate compounds.
  • Cell samples were prepared by differentiating induced pluripotent stem cells into cardiomyocytes. Cells were cultured for 4 days post-differentiation, changing media at day 3, before performing experiments. Samples were either mock-treated, treated with 1.25 ⁇ M doxorubicin, treated with myricetin, or co-treated with 1.25 ⁇ M of doxorubicin and myricetin for 72 hours. Following treatment, the samples were incubated Hoeschst 33342 to indicate cell nuclei. Cells were imaged using the INCell Analyzer2200, and images were analyzed to quantify the total number of cells and plotted as a percentage of total cells normalized to control (left), where each data point was obtained from three biological replicates. Representative images ( FIG. 3 , right) are presented for each sample, where an increase in Hoechst 33342 signal represents an increase ion cell viability.
  • Cardiomyocytes were either mock-treated, treated with 1.25 ⁇ M doxorubicin, treated with myricetin, or co-treated with 1.25 ⁇ M of doxorubicin and myricetin for 72 hours, and subsequently stained to detect total number of cells ( FIG. 3 ).
  • Myricetin was a potent protector of cell viability. Cardiomyocytes treated with 1.25 ⁇ M doxorubicin, in the absence of myricetin, exhibited a 62.6% reduction in the number of total cells, whereas cardiomyocytes co-treated with myricetin and 1.25 ⁇ M doxorubicin exhibited a 27.57% reduction the number of total cells, as compared to mock-treated control.
  • FIG. 3 , right: bottom right panel exhibited less reduction in Hoechst 33342 signal, as compared to mock-treated control ( FIG. 3 , right: top left panel).
  • iPSC-derived cardiomyocytes were prepared by differentiating induced pluripotent stem cells into cardiomyocytes. Cells were cultured for 4 days post-differentiation, changing media at day 3, before performing experiments. Cardiomyocytes were treated with 1.25 ⁇ M doxorubicin ( FIG. 4A ), or co-treated with 1.25 ⁇ M of doxorubicin and 79 ⁇ M myricetin ( FIG. 4B ) for 2 days. Following treatment, the samples were incubated with a tetramethylrhodamine methyl ester (TMRM) dye to indicate mitochondrial health, and Hoechst 33342 to identify cell nuclei. Cells were imaged using the INCell Analyzer2200.
  • TMRM tetramethylrhodamine methyl ester
  • TMRM signal indicates an increase in mitochondrial toxicity.
  • Myricetin was a potent protector against doxorubicin-induced mitochondrial toxicity, as indicated by a greater TMRM signal in cells co-treated with 1.25 ⁇ M doxorubicin and 79 ⁇ M myricetin ( FIG. 4B ) as compared to cells treated with 1.25 ⁇ M doxorubicin in the absence of myricetin ( FIG. 4A ).
  • Human iPSC-derived cardiomyocytes were prepared as described above. Samples were either mock-treated, treated with 1.25 ⁇ M doxorubicin, treated with 79 ⁇ M myricetin, or co-treated with 1.25 ⁇ M of doxorubicin and 79 ⁇ M myricetin for 72 hours. Following treatment, videos of beating cardiomyocytes were captured using Pulse, and analyzed to quantify beat rate ( FIG. 5 ; left) from plots of cell contraction, where each data point was obtained from three biological replicates. Representative plots of cell contraction ( FIG. 5 ; right) are presented for each sample. Myricetin was a potent protector of cell contractility.
  • FIG. 6A-C depicts a chart providing the raw data ( 6 A) or normalized data ( 6 B) for the experiments depicted in FIG. 3 , or the raw data for the experiments depicted in FIG. 5 ( 6 C).
  • Cardiomyocytes were prepared as described above. Cells were co-treated with 1 ⁇ M of doxorubicin and either myricetin ( FIG. 7A ), myricetrin ( FIG. 7B ), or dihydromyricetin ( FIG. 7C ) for 3 days. Following treatment, the samples were incubated with a CellEvent dye to indicate apoptosis-positive cells, and a second dye to identify cell nuclei. Cells were imaged using the INCell Analyzer2200, and images were analyzed to quantify the percentage of apoptotic cells. Data are presented from two independent sets of screening where each data point was obtained from triplicate.
  • Cardiomyocytes co-treated with doxorubicin and either myricetin ( FIG. 7A ), myricitrin ( FIG. 7B ), or dihydromyricetin ( FIG. 7C ) exhibited protective effects against apoptosis, with half minimal inhibitory concentrations (IC50; e.g., the drug concentration that induces 50 percent apoptosis) of 20.46 ⁇ M, 38.48 ⁇ M, 40.48 ⁇ M, respectively.
  • IC50 half minimal inhibitory concentrations
  • human iPSC-derived cardiomyocytes were mock-treated (triangle) or treated with 100 ⁇ M of myricetin (MYR; circle) and increasing concentrations of doxorubicin (DOX) for 72 hours, and then incubated with dyes that indicate mitochondrial health (TMRM, Life Technologies) and cellular nuclei (Hoechst33342, Life Technologies). Cells were imaged using INCell Analyzer2200 (GE). Total number of healthy cells were counted and plotted as percentage of mock-treatment control.
  • TMRM myricetin
  • DOX doxorubicin
  • DOX-induced cell death is often manifested by severity of structural disruptions of cardiomyocyte organization (e.g., sarcomere).
  • sarcomere a structural disruption of cardiomyocyte organization
  • human iPSC-derived cardiomyocytes were treated with DMSO, DOX (0.5 ⁇ M), or DOX plus MYR (100 ⁇ M). After 72 hours of treatment, cells were immunostained with antibody against Cardiac Troponin T (Abcam) to show sarcomeric organization in of the heart cells.
  • FIG. 12 MYR conferred significant protection against DOX-induced sarcomere disruption in cardiomyocytes, suggesting that the protective effects of MYR against DOX-induced cell death are well manifested by the structural integrity of the cardiomyocytes.
  • Example 9 Myricetin is a Potent Inhibitor of TOPOII ⁇ and ⁇
  • kinetoplast DNA 200 ng was incubated with one enzymatic unit of TOPOII ⁇ or TOPOII ⁇ enzyme (Inspiralis) and with various concentrations of MYR or DEX at 37° C. for 30 min. The reaction was then separated on 1% agarose gel for visualization of decatenated DNA (bottom band). The efficiency of catalytic inhibition was quantified by measuring the relative intensity of the band.
  • the data suggest that MYR is a significantly more potent inhibitor than DEX for both topoisomerases II ⁇ and ⁇ .
  • topoisomerase II activity is an important factor for MYR's ability to confer cardioprotection.
  • MYR Since the ability of MYR to confer cardioprotection against DOX-induced toxicity is independent from DEX, it was further investigated to determine whether other flavonoid compounds have a similar effect on topoisomerase II activity like MYR.
  • MYR flavonol
  • dihydromyricetin flavonoid scaffold
  • DHM dihydrorobinetin
  • ROB robinetin
  • flavone/flavonol scaffold e.g., flavone/flavonol scaffold
  • biological activity e.g., cardioprotection, TOPOII inhibition, etc.
  • Anthracycline-induced cardiotoxicity occurs when the drug such as doxorubicin intercalates the DNA upon a cleavage of DNA by topoisomerase II enzymes, thereby effectively preventing TOPOII ⁇ or ⁇ from ligating the cleaved DNA strands back together. Therefore, a working hypothesis was proffered based on cardioprotective properties of flavonoids being mediated through topoisomerases ii and ⁇ (TOPOII ⁇ and TOPOII ⁇ ) inhibition.
  • myricetin is the compound with all six hydroxyl substituents present.
  • myricetin analogs was chromone which is devoid of the B-ring of flavone, and dihydromyricetin and dihydrorobinetin (DHR) which both lack the double bond in the C-ring.
  • substituents can be incorporated into the flavone scaffold at positions 8 and/or 6 on the A-ring similar to vitexin, and also at positions 2′ and/or 6′ on the C-ring, hydroxyl, alkoxy, alkyl and heterocyclic, halides were contemplated for analysis.
  • the study also included chemical moieties other than hydroxyl substituents present in the MYR scaffold (Formula 1), such as alkoxy (particularly methoxy), alkyl (methyl), heterocyclic, or halides at 3, 5, 7, 3′, 4′, and/or 5′ positions.
  • the common features of the TOPOII ⁇ inhibitors (1-5) allowed an inference that hydroxyl substituents are required at positions 3, 7, 3′, and 4′ in order for flavonoid compounds to inhibit TOPOII ⁇ .
  • the only exception is tricetin (3) which does not have the 3-hydroxyl substituent; all of the other four TOPOII ⁇ inhibitors have hydroxyl substituents at positions 3, 7, 3′, and 4′.
  • the common features of the cardioprotective compounds (1-12) in Table 1 above allowed an additional inference that the 4′ hydroxyl substituent on the B-ring may be an essential feature, along with two of the other three hydroxyl substituents at positions 3, 7, and 3′, for cardioprotective activity, with the hydroxyl at position 7 preferred; the only exception being compound 8 which does not have hydroxyls at positions 3 and 7, yet has all three hydroxyl substituents at positions 3′, 4′, and 5′ on the B-ring.
  • cardioprotective compounds (1-12) which have all three 3′, 4′, and 5′ hydroxyl substituents on the B-ring do not exhibit toxic effects at concentrations less than 100 ⁇ M, whereas those cardioprotective compounds which have hydroxyl substituents only at positions 3′ and 4′ do indeed exhibit toxic effects at concentrations less than 100 ⁇ M.
  • the one exception to this trend was tricetin (3), which exhibits some toxic effects at concentrations less than 100 ⁇ M despite containing all three hydroxyl substituents on the B-ring.
  • 3′, 4′, and 5′ hydroxyl substituents on the B-ring are preferable to 3′ and 4′ hydroxyl substituents on the B-ring, to alleviate toxic effects at concentrations below 100 ⁇ M; or, 4′ hydroxyl only on the B-ring, along with all three 3, 5, and 7 hydroxyl substituents on the A/C ring system; and
  • Tricetin (3) for TOPOII ⁇ inhibition all four hydroxyl substituents at positions 3, 7, 3′, and 4′ are required. Tricetin (3) does not follow these requirements and is an outlier.
  • Compound 13 only has one of the required hydroxyl substituents from the set of 3, 7, and 3′ described above; therefore, it also does not meet the minimum requirements for cardioprotective activity.
  • the presence of a hydroxyl substituent at position 4′ on the B-ring is a necessary but not sufficient condition for flavonoid compounds to be cardioprotective. This structural requirement strongly hints at the presence of a hydrogen-bond between the 4′ hydroxyl on the B-ring of the protective agent in complex with the biological target.
  • 3′-O-methylmyricetin having methoxy at the 3′ position failed to inhibit TOPOII enzymes, but conferred cardioprotection without showing generalized cytotoxicity. However, it exhibited a significant loss of potency for cardioprotection (EC50, ⁇ 59 ⁇ M). Similarly, 4′-O-methylmyricetin having methoxy at 4′ position conferred cardioprotection without TOPOII inhibition. This compound displayed a loss of potency for cardioprotection (EC50, 48.7 ⁇ M) as compared to that of MYR. This suggests that the presence of a single methoxy substituent at 3′ or 4′ of the B-ring, is an important factor for cardioprotection.
  • 3′,5′-O-dimethylmyricetin lacking a methoxy substituent at position 4 but having a methoxy at positions 3′ and 5′ of the B-ring, displayed neither cardioprotection nor TOPOII ⁇ and TOPOII ⁇ inhibition. This compound also exhibited significant cytotoxicity.
  • Other compounds having multiple methoxy replacements at positions 3′, 4′, and 5′ were also tested for cardioprotection and TOPOII inhibition.
  • Quercetin conferred cardioprotection and exhibited TOPOII inhibition. However, a high level of general cytoxicity to cardiomyocytes was observed at a concentration of 100 ⁇ M.
  • Kaempferol displayed a moderate level of cardioprotection without some level of cytotoxicity at 100 ⁇ M, but did not exhibit any inhibitory effect on TOPOII ⁇ or TOPOII ⁇ . Kaempferol, however, displayed decreased potency and failed to achieve the maximum 50% rescue rate.
  • the preferred substituents for the B-ring are —OH in all 3′, 4′ and 5′ positions in order to ensure potency and minimal toxicity as demonstrated by myricetin and robinetin.
  • MYR (3,5,7,3′,4′,5′-hexahydroxyflavone) and ROB (3,7,3′,4′,5′-pentahydroxyflavone) showed equivalent levels of cardioprotection with an EC50 about 10-20 ⁇ M and TOPOII ⁇ and TOPOII ⁇ inhibition at less than 1004.
  • tricetin (5,7,3′,4′,5′-pentahydroxyflavone) lacking —OH at position 3 also displayed cardioprotection and TOPOII inhibition with a low level of cytotoxicity at 100 ⁇ M.
  • hydroxyl (—OH) at position 7 of the A-ring may be required for cardioprotection, but not sufficient as at least one —OH group at 3 and/or 5 position can greatly enhance activity (e.g., potency and/or TOPOII inhibition) of these compounds for cardioprotection.
  • hydroxyls in the A/C-ring (3,7) system play an important role for cardioprotection and TOPOII inhibition, provided that 3′,4′,5′ hydroxyls are present on B-ring.
  • Particularly —OH at position 7 in the A-ring appears to be critical for the activity.
  • Epirubicin and idarubicin are anthracyclines that are associated with heart failure in patients.
  • the effect of MYR was tested on epirubicin- and idarubicin-induced heart injury.
  • human iPSC-derived cardiomyocytes were mock-treated (triangle) or treated with 100 ⁇ M of MYR (circle) and increasing concentrations of epirubicin or idarubicin for 72 hours, and then incubated with dyes that indicate mitochondrial health and cellular nuclei as describe above. Cells were imaged and total number of healthy cells were counted and plotted as percentage of mock-treatment control.
  • Cardiotoxicity may result from the formation of toxic reactive oxygen species (ROS) through redox cycling caused by various anticancer agent.
  • the reactive oxygen species (ROS) may activate apoptotic pathways, leading to cell death in both cancer and normal cells.
  • Cardiomyocytes may be particularly sensitive to the oxidative stress and cardiac mitochondria may be easily disrupted by cancer agents like anthracycline, TKI or proteasome inhibitors.
  • Sunitinib and sorafenib are tyrosine kinase antagonists used to treat a wide range of cancers including leukemia and sarcoma.
  • sunitinib and sorafenib have been reported to cause adverse events like heart failure in patients.
  • Tyrosine kinases are enzymes responsible for the activation of many proteins involved in signal transduction pathways. These proteins are activated via phosphorylation, a step the TKIs are known to target for inhibition.
  • Bortezomib is a proteasome inhibitor used to treat multiple myeloma and lymphoma. In some cancer, the proteins that normally destroy cancer cells are broken down prematurely. Bortezomib interrupts this process, allowing those proteins to disrupt the dividing cancer cells.
  • MYR successfully corrected more than 80% of cardiac dysfunction in 5 ⁇ M sorafenib treated cardiomyocytes ( FIG. 21 ). Treatment with 100 ⁇ M myricetin also rescued bortezomib-induced cardiotoxicity ( FIG. 22 ). These data suggest that MYR protects against protein kinase inhibitor-induced cardiomyocyte cell death.
  • Bisdioxopiperazine dexrazoxane (DEX) is the only drug available for reducing the incidence of heart failure in cancer patients receiving anticancer agents. Despite its clinical effect, DEX is associated with several side effects such as interfering with antitumor efficacy of anthracyclines, inducing secondary malignancies, and causing blood and bone marrow disorders. These limitations severely limit its use for certain cancer patients.
  • MYR The effect of MYR was investigated to determine whether the compound has the similar shortcomings to those observed in DEX.
  • Breast cancer cells (MDA-MB-231) were mock-treated or treated with 100 ⁇ M of MYR and with increasing concentrations of doxorubicin for 72 hours ( FIG. 23 ).
  • mice were anesthetized using isoflurane ( ⁇ 1.0%) and transthoracic echocardiography was performed using the VevoLAZR Imaging system (VisualSonics Inc., Toronto, Canada) at day ⁇ 4 to obtain baseline measurements and then at day 5 following the treatments.
  • Left ventricular (LV) M-mode images were obtained in the two-dimensional short axis view close to the papillary muscles. Tracings of endocardial tissue during systole and diastole were made off line. These data were then used to calculate fractional shortening (FS) and ejection fraction (EF) which are global indices of systolic function.
  • FS fractional shortening
  • EF ejection fraction
  • Cell samples were prepared by differentiating induced pluripotent stem cells into cardiomyocytes. Cells were cultured for 4 days post-differentiation, changing media at day 3, before performing experiments. Samples were either mock treated, treated with 1 ⁇ M of doxorubicin, or treated with 1 ⁇ M of doxorubicin and the indicated drug for 48 hours. Following treatment, the samples were incubated with a tetramethylrhodamine methyl ester (TMRM) dye to indicate mitochondrial health, and a second dye to identify cell nuclei. Cells were imaged using the INCell Analyzer2200, and images were analyzed by CellProfiler to quantify the percentage of TMRM-negative cells.
  • TMRM tetramethylrhodamine methyl ester
  • Cardiomyocytes were either mock-treated (‘No treat’), treated with 1 ⁇ M doxorubicin (‘Dox 1 ⁇ M’), or treated with 1 ⁇ M doxorubicin and the indicated drug, and subsequently stained to detect mitochondrial health ( FIG. 25 ). Cardiomyocytes exposed to 17 ⁇ M kaempferol (‘KAE 17 ⁇ M’) exhibited a decrease in mitochondrial toxicity of at least 60%, as compared to cardiomyocytes treated with doxorubicin in the absence of a protective agent (‘Dox 1 ⁇ M’).
  • AMB 0.76 ⁇ M ambroxol
  • MES 10 ⁇ M 1004 mesalamine
  • NAC 50 ⁇ M 50 ⁇ M N-acetyl cysteine
  • Cell samples were prepared by differentiating induced pluripotent stem cells into cardiomyocytes. Cells were cultured for 4 days post-differentiation, changing media day 3, before performing experiments. Samples were either mock-treated, treated with 1 ⁇ M of doxorubicin, or treated with 1 ⁇ M of doxorubicin and the indicated drug for 48 hours. Following treatment, the samples were incubated with a TUNEL dye to indicate apoptosis-positive cells, and a second dye to identify cell nuclei. Cells were imaged using the INCell Analyzer2200, and images were analyzed by CellProfiler to quantify the percentage of apoptosis-positive cells.
  • Cardiomyocytes were either mock treated (‘No treat’), treated with 1 ⁇ M doxorubicin (‘Dox 1 ⁇ M’), or co-treated with 1 ⁇ M doxorubicin and the indicated drug, and subsequently stained to detect apoptosis ( FIG. 26 ). Cardiomyocytes treated with 115 ⁇ M vitexin (‘VIT 115 ⁇ M’) exhibited a decrease in apoptosis of at least 60%, as compared to cardiomyocytes treated with doxorubicin in the absence of a protective agent (‘Dox 1 ⁇ M’).
  • Cell samples were prepared by differentiating induced pluripotent stem cells into cardiomyocytes. Cells were cultured for 4 days post-differentiation, changing media at day 3, before performing experiments. Samples were either mock-treated ( FIG. 27A ), treated with 1 ⁇ M of doxorubicin ( FIG. 27B ), co-treated with 1 ⁇ M of doxorubicin and 16 ⁇ M dexrazoxane ( FIG. 27C ), or co-treated with 1 ⁇ M of doxorubicin and 116 ⁇ M dexrazoxane ( FIG. 27D ) for 7 days. Following treatment, the samples were incubated with a tetramethylrhodamine methyl ester (TMRM) dye to indicate mitochondrial health. Cells were imaged using the INCell Analyzer2200, and images were analyzed by CellProfiler to quantify the percentage of TMRM-negative cells. Representative images are presented for each sample, wherein loss of TMRM signal represents mitochondrial toxicity.
  • TMRM
  • Example 20 Vitexin Provides Dose-Dependent Cardioprotection (Electrophysiological Activity)
  • cardiomyocytes co-exposed to 1 ⁇ M doxorubicin and either 11.6 ⁇ M, 37 ⁇ M, or 116 ⁇ M vitexin exhibited about a 50%, about a 25%, or about a 0% decrease in the number of active electrodes, respectively.
  • samples that were co-exposed to 1 ⁇ M doxorubicin and 116 ⁇ M vitexin exhibited had a statistically significant higher average number of active electrodes (about 10 active electrodes) as compared to samples that were exposed to 1 ⁇ M doxorubicin in the absence of vitexin (about 2 active electrodes) ( FIG. 28B ).
  • MDA-MB-231 cells (metastatic breast cancer) were cultured for 1 day before performing experiments. Samples treated with either increasing concentrations of Doxorubicin (e.g., 0 ⁇ M, 0.016 ⁇ M, 0.05 ⁇ M, 0.16 ⁇ M, 0.5 ⁇ M, 1.6 ⁇ M, 5 ⁇ M, 16 ⁇ M, or 50 ⁇ M), or co-treated with increasing concentrations of doxorubicin and the indicated protective agent for 72 hours. Cells were subsequently lysed with CellTiter-Glo reagent to identify metabolically active (e.g., viable) cells, wherein the luminescence measured from the lysed cell suspension is directly proportional to the number of viable cells present in the culture. Percentage cell death was quantified by measuring the decrease in luminescence. XLFit was used for curve fitting. Averages from triplicate are graphed and standard deviation is shown as error bars.
  • Doxorubicin e.g., 0 ⁇ M, 0.016
  • MDA-MB-231 cells co-treated with increasing concentrations of doxorubicin and either dexrazoxane, ambroxol, kaempferol ( FIG. 29A ), mesalamine, N-acetyl cysteine, or vitexin ( FIG. 29B ) showed no significant difference in the percentage of cell death as compared to cells that were treated with doxorubicin in the absence of a protective agent.
  • A549 cells (lung cancer) were cultured for 1 day before performing experiments. Samples treated with either increasing concentrations of Doxorubicin (e.g., 0 ⁇ M, 0.016 ⁇ M, 0.05 ⁇ M, 0.16 ⁇ M, 0.5 ⁇ M, 1.6 ⁇ M, 5 ⁇ M, 16 ⁇ M, or 50 ⁇ M), or co-treated with increasing concentrations of doxorubicin and the indicated drug for 72 hours. Cells were subsequently lysed with CellTiter-Glo reagent to identify metabolically active (e.g., viable) cells, wherein the luminescence measured from the lysed cell suspension is directly proportional to the number of viable cells present in the culture. Percentage cell death was quantified by measuring the decrease in luminescence. XLFit was used for curve fitting. Averages from triplicate are graphed and standard deviation is shown as error bars.
  • Doxorubicin e.g., 0 ⁇ M, 0.016 ⁇ M, 0.05
  • A549 cells co-treated with increasing concentrations of doxorubicin and either dexrazoxane, ambroxol, kaempferol, mesalamine, N-acetyl cysteine, or vitexin showed no significant difference in the percentage of cell death as compared to cells that that were treated with doxorubicin in the absence of a protective agent.
  • Example 23 Acute Toxicity of Various Protectants (Including Vitexin) on Electrophysiology
  • Cell samples were prepared by differentiating induced pluripotent stem cells into cardiomyocytes. Cells were cultured for 4 days post-differentiation, changing media at 3 day, before performing experiments. Samples were either mock-treated with 0.1% DMSO, or treated with increasing concentrations of the indicated drug for at least 20 minutes. Cardiomyocytes were treated with the hERG potassium channel blocker E4031 as a control. Following treatment, the beat period and field potential duration (FPD) were measured in each sample using the MEA.
  • FPD field potential duration
  • Cardiomyocytes exposed to either dexrazoxane, ambroxol, chenodeoxycholic acid, deferoxamine, N-acetyl cysteine, naringenin, or vitexin exhibited no appreciable difference in beat period or field potential duration, as compared to control samples.
  • cardiomyocytes exposed to either chenodeoxycholic acid or naringenin exhibited beating cessation from acute drug toxicity.
  • Cell samples were prepared by differentiating induced pluripotent stem cells into cardiomyocytes. Cells were cultured for 4 days post-differentiation, changing media at day 3, before performing experiments. Samples were either mock-treated with 0.1% DMSO, or treated with various concentrations of the indicated drug. Following treatment, the percentage of active electrodes in each sample was measured for at least 5 days. Percentage of active electrodes was quantified and graphed in a time course.
  • Cardiomyocytes exposed to either ambroxol, kaempferol, mesalamine, or vitexin showed no observable decrease in the number of active electrodes relative to the mock-treated sample.
  • Cardiomyocytes exposed to the clinically-approved cardioprotectant dexrazoxane exhibited a long-term, dose-dependent cardiotoxic effect.
  • Cardiomyocytes exposed to either 167 ⁇ M or 500 dexrazoxane exhibited about a 25% or 50% reduction in the number of active electrodes at about 2 days post-treatment, respectively.
  • At about 3 days post-treatment cardiomyocytes exposed to either 167 ⁇ M or 500 ⁇ M dexrazoxane exhibited about a 50% or 100% reduction in the number of active electrodes, respectively.
  • Example 25 Treatment of Breast Cancer in a Patient with Heart Disease by Oral Administration of a Pill Containing Doxorubicin and Vitexin
  • a patient, with a history of heart disease, is diagnosed with breast cancer. Due to an increased risk for heart failure, the patient is unable to receive the standard treatment regimen of doxorubicin, which is known to induce cardiotoxicity. Instead, the caregiver administers a co-formulation of doxorubicin (10 mg) and vitexin (100 mg). An echocardiogram is performed and blood flow rate is measured to determine if the therapy has a cardiotoxic effect in the patient. The patient shows no indication of cardiac dysfunction. Exhibiting no signs of cardiotoxicity, the patient is able accept higher doses of treatment over the next several weeks. The patient subsequently undergoes a tissue biopsy which shows no indication of breast cancer.
  • Example 26 Treatment of Liver Cancer in a Patient by Intravenous Administration of Doxorubicin, Dexrazoxane and Vitexin
  • a patient is diagnosed with liver cancer.
  • the caregiver administers to the patient a co-formulation of doxorubicin (5 mg/mL) and dexrazoxane (50 mg/mL).
  • An electrocardiogram is performed to determine if the dexrazoxane is successfully mitigating cardiotoxic effects in the patient.
  • the patient presents with a 20 ms QT prolongation.
  • the caregiver administers to the patient a co-formulation of doxorubicin (5 mg/mL) and vitexin (100 mg/mL).
  • an electrocardiogram is performed, and the patient exhibits no signs of QT prolongation.
  • the patient is able to continue receiving treatment over several weeks after which a tissue biopsy is performed to confirm the liver cancer has been eradicated.
  • Example 27 Treatment of Lung Cancer in a Patient with Bradycardia by Oral Administration of a Pill Containing Doxorubicin and Myricetin
  • a patient is diagnosed with stage II lung cancer, and presents with bradycardia. Due to an increased risk for heart failure, the patient is unable to receive the standard treatment regimen of doxorubicin, which is known to affect cardiac contraction and induce bradycardia. Instead, the caregiver administers a co-formulation of doxorubicin (10 mg) and myricetin (100 mg). An electrocardiogram is used to monitor the patient's heart rate. The patient shows no indication of cardiac dysfunction. Exhibiting no signs of cardiotoxicity, the patient is able accept higher doses of treatment over the next several weeks. The lung cancer is down-staged to stage 1, and the cancer is successfully removed with surgery. Upon follow-up, a tissue biopsy is performed and shows no sign of cancer.
  • Example 28 Treatment of Liver Cancer in a Patient by Intravenous Administration of a Solution Containing Doxorubicin, Dexrazoxane and Myricetin
  • a patient is diagnosed with liver cancer.
  • the caregiver administers to the patient a co-formulation of doxorubicin (5 mg/mL) and dexrazoxane (50 mg/mL).
  • An electrocardiogram is performed to determine if the dexrazoxane is successfully mitigating cardiotoxic effects in the patient.
  • the patient presents with a 20 ms QT prolongation.
  • the caregiver administers to the patient a co-formulation of doxorubicin (5 mg/mL) and myricetrin (50 mg/mL).
  • an electrocardiogram is performed, and the patient exhibits no signs of QT prolongation.
  • the patient is able to continue receiving treatment over several weeks after which a tissue biopsy is performed to confirm the liver cancer has been eradicated.
  • Example 29 Treatment of Lung Cancer in a Patient with Bradycardia by Oral Administration of a Pill Containing Myricetin
  • a patient is diagnosed with stage II lung cancer, and presents with bradycardia. Due to an increased risk for heart failure, the patient is unable to receive the standard treatment regimen of doxorubicin, which is known to affect cardiac contraction and induce bradycardia. Instead, the caregiver administers myricetin (100 mg) 24 hours before administration of doxorubicin (10 mg). An electrocardiogram is used to monitor the patient's heart rate. The patient shows no indication of cardiac dysfunction. Exhibiting no signs of cardiotoxicity, the patient is able accept higher doses of treatment over the next several weeks.
  • the lung cancer is down-staged to stage 1, and the cancer is successfully removed with surgery. Upon follow-up, a tissue biopsy is performed and shows no sign of cancer.
  • Example 30 Treatment of Liver Cancer in a Patient by Intravenous Administration of a Solution Containing Doxorubicin, Dexrazoxane and Myricetin
  • a patient is diagnosed with liver cancer.
  • the caregiver administers to the patient a co-formulation of doxorubicin (5 mg/mL) and dexrazoxane (50 mg/mL).
  • An electrocardiogram is performed to determine if the dexrazoxane is successfully mitigating cardiotoxic effects in the patient.
  • the patient presents with a 20 ms QT prolongation.
  • the caregiver administers to the patient a myricetin (100 mg) 24 hours prior to administration of doxorubicin (5 mg/mL) and (100 mg/mL) intravenously.
  • an electrocardiogram is performed, and the patient exhibits no signs of QT prolongation.
  • the patient is able to continue receiving treatment over several weeks after which a tissue biopsy is performed to confirm the liver cancer has been eradicated.

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WO2020212882A1 (en) * 2019-04-17 2020-10-22 Bioxan Spółka Z Organiczoną Odpowiedzialnością A preparation comprising xanthohumol and use of xanthohumol
CN112386704A (zh) * 2020-11-23 2021-02-23 中国科学院西北高原生物研究所 一种包括化合物f-c的抗癌联合用药组合物
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EP3710434A4 (en) * 2017-11-17 2021-07-28 Research Cancer Institute of America COMPOSITIONS, METHODS, SYSTEMS AND / OR KITS FOR THE PREVENTION AND / OR TREATMENT OF NEOPLASMS
WO2021177519A1 (ko) * 2019-08-30 2021-09-10 (주)프론트바이오 바이구아나이드 계열 화합물 및 플라본, 하이드록시플라본, 플라바논, 플라본 유도체, 하이드록시플라본 유도체, 플라바논 유도체의 복합제를 유효성분으로 함유하는 암 예방 또는 치료용 약학적 조성물
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US11890292B2 (en) 2017-02-27 2024-02-06 Research Cancer Institute Of America Compositions, methods, systems and/or kits for preventing and/or treating neoplasms
US11890269B2 (en) 2011-07-14 2024-02-06 Research Cancer Institute Of America Method of treating cancer with combinations of histone deacetylase inhibitors (HDAC1) substances
US12102613B2 (en) 2017-03-17 2024-10-01 Research Cancer Institute Of America Compositions, methods, systems and/or kits for preventing and/or treating neoplasms
WO2025117853A1 (en) * 2023-11-29 2025-06-05 The Board Of Trustees Of The Leland Stanford Junior University Compositions and methods to ameliorate drug-induced long qt syndrome
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US11786503B2 (en) 2016-02-04 2023-10-17 Auransa Inc. Pharmaceutical compositions and methods for countering chemotherapy induced cardiotoxicity
US10806716B2 (en) 2016-02-04 2020-10-20 Auransa Inc. Pharmaceutical compositions and methods for countering chemotherapy induced cardiotoxicity
US10874633B2 (en) 2016-02-04 2020-12-29 Auransa Inc. Pharmaceutical compositions and methods for countering chemotherapy induced cardiotoxicity
US11166936B2 (en) 2016-02-04 2021-11-09 Auransa Inc. Pharmaceutical compositions and methods for countering chemotherapy induced cardiotoxicity
US12049460B2 (en) 2016-05-26 2024-07-30 Recurium Ip Holdings, Llc EGFR inhibitor compounds
US11098030B2 (en) 2016-05-26 2021-08-24 Recurium Ip Holdings, Llc EGFR inhibitor compounds
US10513509B2 (en) 2016-05-26 2019-12-24 Recurium Ip Holdings, Llc EGFR inhibitor compounds
US11890292B2 (en) 2017-02-27 2024-02-06 Research Cancer Institute Of America Compositions, methods, systems and/or kits for preventing and/or treating neoplasms
US12102613B2 (en) 2017-03-17 2024-10-01 Research Cancer Institute Of America Compositions, methods, systems and/or kits for preventing and/or treating neoplasms
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US11534399B2 (en) * 2018-04-23 2022-12-27 Inspirmed Corp. Inhalable liposomal sustained release composition for use in treating pulmonary diseases
WO2020212882A1 (en) * 2019-04-17 2020-10-22 Bioxan Spółka Z Organiczoną Odpowiedzialnością A preparation comprising xanthohumol and use of xanthohumol
WO2021177519A1 (ko) * 2019-08-30 2021-09-10 (주)프론트바이오 바이구아나이드 계열 화합물 및 플라본, 하이드록시플라본, 플라바논, 플라본 유도체, 하이드록시플라본 유도체, 플라바논 유도체의 복합제를 유효성분으로 함유하는 암 예방 또는 치료용 약학적 조성물
EP4073099A4 (en) * 2019-12-15 2024-01-03 Baruch S. Blumberg Institute METHODS, KITS AND COMPOSITIONS FOR REDUCING CARDIOTOXICITY ASSOCIATED WITH CANCER THERAPIES
CN112386704A (zh) * 2020-11-23 2021-02-23 中国科学院西北高原生物研究所 一种包括化合物f-c的抗癌联合用药组合物
CN112438977A (zh) * 2020-12-02 2021-03-05 贵州大学 一种含苯并咪唑的杨梅素衍生物、制备方法及用途
US12344644B2 (en) * 2021-11-05 2025-07-01 Bimyo GmbH Amelioration and treatment of infarction damage with a polypeptide segement of BNIP3
US20230165831A1 (en) * 2021-11-19 2023-06-01 Impact Biolife Science, Inc. Method and composition for rendering cancer cells susceptible to treatment by targeted oncogenetic drivers
WO2025117853A1 (en) * 2023-11-29 2025-06-05 The Board Of Trustees Of The Leland Stanford Junior University Compositions and methods to ameliorate drug-induced long qt syndrome

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