WO2005044296A1 - G-csf therapy as an adjunct to reperfusion therapy in the treatment of acute myocardial infarction - Google Patents
G-csf therapy as an adjunct to reperfusion therapy in the treatment of acute myocardial infarction Download PDFInfo
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- WO2005044296A1 WO2005044296A1 PCT/US2004/031704 US2004031704W WO2005044296A1 WO 2005044296 A1 WO2005044296 A1 WO 2005044296A1 US 2004031704 W US2004031704 W US 2004031704W WO 2005044296 A1 WO2005044296 A1 WO 2005044296A1
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K38/00—Medicinal preparations containing peptides
- A61K38/16—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
- A61K38/17—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
- A61K38/19—Cytokines; Lymphokines; Interferons
- A61K38/193—Colony stimulating factors [CSF]
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P9/00—Drugs for disorders of the cardiovascular system
- A61P9/10—Drugs for disorders of the cardiovascular system for treating ischaemic or atherosclerotic diseases, e.g. antianginal drugs, coronary vasodilators, drugs for myocardial infarction, retinopathy, cerebrovascula insufficiency, renal arteriosclerosis
Definitions
- G-CSF Therapy as an Adjunct to Reperfusion Therapy in the Treatment of Acute Myocardial Infarction
- the present invention relates to the use of Granulocyte Colony Stimulating Factor (G-CSF) polypeptide in the prevention or treatment of injury to the myocardium after acute myocardial infarction (AMI) or other ischemic events. More particularly, the invention provides methods of treating AMI by the administration of G-CSF polypeptide in conjunction with reperfusion therapy.
- G-CSF Granulocyte Colony Stimulating Factor
- AMI acute myocardial infarction
- Coronary arterial occlusion due to thrombosis is the cause of most cases of AMI.
- This blockage restricts the blood supply to the muscle walls of the heart and is often accompanied by symptoms such as chest pain, heavy pressure in the chest, nausea, and shortness of breath, or shooting pain in the left arm.
- AMI is accompanied with an inflammatory reaction which induces cardiac dysfunction and scarring. Rapid restoration of blood flow to jeopardized myocardium limits necrosis and reduces mortality.
- Reperfusion therapy for the treatment of AMI consists of primary angioplasty and/or administration of a thrombolytic agent. This can be accomplished mechanically, with primary balloon angioplasty or stenting, or medically, with a thrombolytic agent.
- Each method has its advantages and limitations (N. Engl. J. Med. 346:954-955, 2002).
- the choice of reperfusion therapy in the individual patient will depend on the facilities available, contraindications for an individual patient, and the cost. The aim should be the earliest possible successful reperfusion with the least risk of complications and in the most cost-effective manner.
- the critical time is the time to reperfusion.
- a catheter affixed with an inflatable balloon is inserted into the patient's artery and guided to the site of the blockage where the balloon is inflated to effectively force open the clot and restore blood flow to the heart walls before permanent damage occurs.
- thrombolytic therapy clot-busting drugs or thrombolytics are administered soon after a heart attack. Commonly used thrombolytics include streptokinase and tissue plasminogen activators. Blood thinners, like heparin and aspirin, are also effective for some patients. AMI leads to rapid death of myocytes and vascular structures in the supplied region of the ventricle.
- BMC bone marrow cells
- SCF stem cell factor
- an object of the present invention is to provide such methods for the treatment of AMI, which are discussed in further detail herein.
- the present invention relates the use of Granulocyte Colony Stimulating Factor (G-CSF) polypeptides in the treatment of acute myocardial infarction (AMI) and myocardial ischemia. More specifically, the invention provides methods useful in conjunction with reperfusion therapy for minimizing tissue damage and improving patient outcome after such myocardial injury, illustratively through prevention of cardiac wall thickness loss ordinarily attending ischemia in affected tissues. In one aspect, therefore, the present invention provides methods of treating AMI to reduce heart damage.
- G-CSF Granulocyte Colony Stimulating Factor
- Such a method generally would comprise administering an effective amount of a composition comprising a G-CSF polypeptide to mammals, including humans, commencing before, concurrently with, and/or after reperfusion therapy.
- G-CSF polypeptide or "G-CSF” as used herein is defined as naturally occurring human and heterologous species G-CSF, recombinantly produced G-CSF that is the expression product consisting of either 174 or 177 amino acids, or fragments, analogs, variants, or derivatives thereof as reported, for example in Kuga et al., Biochem. Biophys. Res. Comm. 159: 103-111 (1989); Lu et al., Arch. Biochem. Biophys.
- the invention provides methods of treating an ischemic injury.
- Such a method generally would comprise administering an effective amount of a composition comprising G-CSF polypeptide to a mammal, commencing before, concurrently with, or after reperfusion therapy.
- the reperfusion therapy contemplated includes mechanical (primary angioplasty), chemical (admimstration of a thrombolytic agent), and surgical (coronary bypass surgery) means.
- the term "thrombolytic agent” is meant to refer to any agent capable of either dissolving a fibrin-platelet clot, or inhibiting the formation of such a clot. Examples of thrombolytic agents include srreptokinase, prourokinase, urokinase, and tissue-type plasminogen activator.
- tissue-type plasminogen activator as used herein is intended to include such hybrids, fragments and mutants, as well as both naturally derived and recombinantly derived tissue-type plasminogen activator.
- the invention further provides a method, wherein the thrombolytic or fibrinolytic agent is selected from the group consisting of streptokinase, urokinase, prourokinase, and tissue-type plasminogen activator.
- the invention provides a method, wherein the composition includes the use of at least one additional factor.
- the additional factor is selected from the group consisting of: EPO, SCF, M-GDF, GM-CSF, M-CSF, CSF-1, IL-1, IL-2, IL-3, IL-4, IL-5, IL-6, IL-7, IL-8, IL-9, IL-10, IL-11, IL-12, interleukins, IGF-1, LIF, interferon, a neurotrophic factor, a fibroblast growth factor, and human growth hormone.
- the invention provides a method wherein the effective amount of the G-CSF polypeptide is about 0.001 ⁇ g/kg body weight/day to about lOOO ⁇ g/kg body weight/day. A preferred amount is 300 ⁇ g per day.
- the invention further comprehends kits containing components for treating myocardial infarction and ischemia, as set out above.
- kit generally would comprise a composition comprising G-CSF polypeptide; and optionally, at least one additional factor selected from the group consisting of: a thrombolytic agent, EPO, SCF, M-GDF, GM-CSF, M-CSF, CSF-1, IL-1, IL-2, IL-3, IL-4, IL-5, IL-6, IL- 7, IL-8, IL-9, IL-10, IL-11, IL-12, interleukins, IGF-1, LIF, interferon, a neurotrophic factor, a fibroblast growth factor, and human growth hormone.
- a thrombolytic agent EPO
- SCF a thrombolytic agent
- M-GDF GM-CSF
- M-CSF CSF-1, IL-1, IL-2, IL-3, IL-4, IL-5, IL-6, IL- 7, IL-8, IL-9, IL-10, IL-11, IL-12, interleukins, IGF-1, LIF
- G-CSF has been found to be useful alone, or in combination with stem cell factor (SCF) in the mobilization of bone marrow stem cells.
- SCF stem cell factor
- the present invention addresses a role for G-CSF polypeptide in the treatment of AMI and myocardial ischemia. More specifically, the invention contemplates methods for minimizing tissue damage and improving patient outcome after such myocardial injury. According to the invention, treatment with an effective amount of G-
- G-CSF Roles of G-CSF in the Mobilization of Stem Cells and Other Conditions
- the methods of the present invention exploit the use of G-CSF polypeptide in the mobilization of stem cells to the myocardium to minimize damage or increase repair in the AMI infarct zone.
- G-CSF causes an increase in the release of hematopoietic stem cells into the blood, and plays a role in the proliferation, differentiation, and survival of myeloid progenitor cells (Takano et al., Curr. Pharm. Des. 9:1121-1127, 2003).
- G-CSF and other hematopoietic growth factors including interleukin-3 (IL-3), IL-6, granulocyte-macrophage colony stimulating factors (GM-CSF), and stem cell factor (SCF) have all been reported to be positive regulators of granulopoiesis, the production of granulocytes in the bone marrow (Takano et al, Curr. Pharm. Des. 9:1121-1127, 2003).
- Some research reports have indicated that G-CSF mobilized bone ⁇ marrow stems cells can promote myocardial repair. For example, Kocher et al. (Nature Med.
- G- CSF increases the number of circulating granulocytes and has been reported to ameliorate infection in sepsis models. G-CSF administration also inhibits the release of tumor necrosis factor (TNF), a cytokine important to tissue injury during sepsis and rejection (Wendel et al., J.Immunol. 149:918-924, 1992). Accordingly, G-CSF has been found to be useful in the treatment of conditions where an increase in neutrophils will provide benefits.
- TNF tumor necrosis factor
- G-CSF is beneficial as a means of selectively stimulating neutrophil production to compensate for hematopoietic deficits resulting from chemotherapy or radiation therapy.
- Other indications include treatment of various infectious diseases and related conditions, such as sepsis, which is typically caused by a metabolite of bacteria.
- G-CSF is also useful alone, or in combination with other compounds, such as other cytokines, for growth or expansion of cells in culture (for example, for bone marrow transplants or ex vivo expansion).
- G-CSF has been administered to transplant patients as an adjunct to treatment of infection or for treatment of neutropenia [Diflo et al, Hepatology 16:PA278 (1992); Wright et al, Hepatology 14:PA48 (1991); Lachaux et al., J. Ped. 123:1005-1008 (1993); Colquehoun et al., Transplantation 56:755-758 (1993)].
- G-CSF is produced by fibroblasts, macrophages, T cells, trophob lasts, endothelial cells, and epithelial cells, and is the expression product of a single copy gene comprised of four exons and five introns located on chromosome seventeen.
- G-CSF is detectable in blood plasma (Jones et al., Bailliere's Clin. Hematol. 2:83-111, 1989).
- G-CSF is species cross-reactive, such that when human G-CSF is administered to another mammal such as a mouse, canine, or monkey, sustained neutrophil leukocytosis is elicited (Moore et al., Proc. Natl. Acad. Sci. USA 84:7134-7138, 1987).
- Human G-CSF can be obtained and purified from a number of sources. Natural human G-CSF can be isolated from the supematants of cultured human tumor cell lines.
- the present invention contemplates methods of using G-CSF polypeptide in conjunction with reperfusion therapy protocols to stimulate the mobilization of bone marrow stem cells in the treatment of AMI.
- the present section provides a brief summary of what is known about the role of bone marrow stem cells in tissue regeneration to the extent that such a summary will facilitate a better understanding of the methods of the present invention.
- Primitive cells in bone marrow have the capacity, both in vitro and in vivo, to give rise to cells of all three germ layers.
- Stem cells of mesenchymal/stromal and hematopoietic origin have been suggested to have the potential to differentiate like embryonic stem cells.
- Orlic et al. (Nature 410: 701- 705, 2001) used direct injection of bone marrow stem cells into the heart three to five hours after ligation of the left coronary artery in a mouse model, resulting in the generation of new cardiomyocytes and endothelial cells in the zone of ischemic myocardium.
- stem cell therapy provides a novel therapeutic strategy in regenerating myocardium and treating heart disease.
- the present invention contemplates methods of using G-CSF polypeptide in conjunction with reperfusion therapy protocols for the treatment of AMI.
- the present section provides an overview of the events which take place in myocardial infarction and reperfusion to the extent that such a description will facilitate a better understanding of the methods of the present invention.
- Occlusion of the left coronary artery due to thrombosis is the major cause of AMI accompanied by ST-segment elevation.
- the loss of blood flow to the tissue from the inclusion causes damaged myocardium due to ischemia, infarction, necrosis, and scar formation.
- the expedient restoration of blood flow to the jeopardized area minimizes tissue damage and improves patient outcome.
- This restoration of blood flow can be accomplished medically, with a thrombolytic agent, or mechanically, with balloon angioplasty or stenting (Lange et al., N. Engl. J. Med. 346:954-955, 2002).
- reperfusion therapy provides relief to the damaged tissue and inhibits further scarring of the myocardium, the infarcted myocardium does not regenerate.
- AMI is a critical event which can lead to progressive heart failure and even death. Therefore, the present invention provides a novel method of using G- CSF polypeptide in conjunction with reperfusion therapy to minimize myocardial damage after AMI.
- G-CSF G-CSF polypeptide in conjunction with reperfusion therapy in the treatment of AMI.
- G-CSF has been found to be useful in the treatment of conditions, where the mobilization of stem cells will provide benefits.
- G-CSF is useful alone, or in combination with other compounds, which may act as thromobolytic agents or expedite tissue repair.
- the present section provides a ⁇ description of how G-CSF may be therapeutically administered in the methods of the invention.
- a. Protein-Based Therapy One of the therapeutic embodiments of the present invention is the provision, to a subject in need thereof, compositions comprising G-CSF polypeptide.
- G-CSF polypeptide may have been generated through recombinant means or by automated peptide synthesis.
- the G-CSF formulations for such a therapy may be selected based on the route of administration and may include liposome and micelle formulations as well as classic pharmaceutical preparations.
- the G-CSF proteins are formulated into appropriate preparation and administered to one or more sites within the subject in a therapeutically effective amount, h particularly preferred embodiments, the human G-CSF protein-based therapy is effected via continuous or intermittent intravenous administration.
- effective amount the present invention refers to that amount of human G-CSF polypeptide that is sufficient to support an observable change in the level of one or more biological activities of G-CSF. The change may be an increased level of G-CSF • activity.
- the change is an increase in bone marrow stem cell mobilization or circulation to the ischemic or damaged tissue resulting in diminished tissue damage or increased tissue growth.
- the amounts of human G- CSF polypeptides administered for therapeutic use may vary. It is contemplated that the specific activity of the human G-CSF protein preparation may be in the range of about 100 units/mg of protein to about 500 units/mg protein.
- a given preparation of a human G-CSF protein may comprise about 100 units/mg protein, about 125 units/mg protein, about 150 units/mg protein, about 175 units/mg protein, about 200 units/mg protein, about 225 units/mg protein, about 250 units/mg protein, about 275 units/mg protein, about 300 units/mg protein, about 325 units/mg protein, about 350 units/mg protein, about 375 units/mg protein, about 400 units/mg protein, about 425 units/mg protein, about 450 units/mg protein, about 475 units/mg protein and about 500 units/mg protein.
- a particularly preferred range is from about 100 units/mg protein to about 200 units/mg protein; a more preferable range is between about 150 to about 200 units/mg protein.
- the protein composition is substantially free of contaminating factors, contamination level of less than 0.02% (w/w).
- Human G-CSF compositions suitable for injection into a patient, can be prepared, for example, by reconstitution with a pharmacologically acceptable diluent of a lyophilized sample comprising purified human G-CSF and stabilizing salts. Administration of the compositions can be systemic or local, and may comprise a single site injection of a therapeutically-effective amount of the human G- CSF protein composition.
- any route known to those of skill in the art for the administration of a therapeutic composition of the invention is contemplated including, for example, intravenous, intramuscular, subcutaneous or a catheter for long-term administration.
- the therapeutic composition may be delivered to the patient at multiple sites.
- the multiple administrations may be rendered simultaneously or may be administered over a period of several hours.
- Additional therapy may be administered on a period basis, for example, daily, weekly, or monthly.
- Combination Therapy hi addition to therapies based solely on the delivery of the human G- CSF, combination therapy is specifically contemplated.
- the human G-CSF therapy could be used similarly in conjunction with other agents commonly used for the treatment of AMI in conjunction with reperfusion.
- a composition comprising human G-CSF and at least one other therapeutic agent (second therapeutic agent).
- the second therapeutic agent may involve the administration or inclusion of at least one additional factor selected from the group consisting of: EPO, M-GDF, SCF, GM-CSF, M-CSF, CSF-1, IL-1, IL-2, IL-3, IL-4, IL-5, IL-6, IL-7, IL-8, IL-9, IL-10, IL-11, IL-12, or other various interleukins, IGF-1, LIF, interferon (such as a, ⁇ , gamma or consensus), neurotrophic factors (such as BDNF, NT-3, CTNF or noggin), other multi-potent growth factors (such as, to the extent these are demonstrated to be such multi-potent growth factors, flt-3/flk-2 ligand, stem cell proliferation factor, and totipotent stem cell factor), fibroblast growth factors (such as FGF), human growth hormone and analogs, fusion molecules, and other derivatives of the above.
- EPO EPO
- M-GDF Sese.
- G-CSF in combination with SCF has been found to mobilize peripheral blood progenitor cells in vivo.
- G-CSF in combination with SCF, IL-3 and IL-6 has been found useful for expansion of peripheral blood cells.
- G-CSF will provide for similar uses.
- the combination therapy compositions would be provided in a combined amount effective to produce the desired therapeutic outcome in the treatment of AMI in conjunction with reperfusion. This process may involve contacting the cells with human G-CSF polypeptide and the second agent(s) or factor(s) at the same time.
- This may be achieved by administering a single composition or pharmacological formulation that includes both agents, or by administering two distinct compositions or formulations, at the same time, wherein one composition includes the human G-CSF therapeutic composition and the other includes the second therapeutic agent.
- the human G-CSF treatment may precede or follow the other agent treatment by intervals ranging from minutes to weeks.
- the second therapeutic agent and the human G-CSF are administered separately, one would generally ensure that a significant period of time did not expire between the times of each delivery, such that the second agent and the human G-CSF would still be able to exert an advantageously combined effect.
- compositions As mentioned herein above, the present invention also comprehends methods using pharmaceutical compositions comprising effective amounts of G-CSF polypeptide together with pharmaceutically acceptable diluents, preservatives, solubilizers, emulsifiers, adjuvants and or carriers useful in G-CSF therapy.
- compositions include diluents of various buffer content (e.g., Tris-HCl, acetate, phosphate), pH and ionic strength; additives such as detergents and solubilizing agents (e.g., Tween 80, Polysorbate 80), anti-oxidants (e.g., ascorbic acid, sodium metabisulfite), preservatives (e.g., thimersol, benzyl alcohol), and bulking substances (e.g., lactose, mannitol); incorporation of the material into particulate preparations of polymeric compounds, such as polylactic acid, polyglycolic acid, etc., or in association with liposomes or micelles.
- buffer content e.g., Tris-HCl, acetate, phosphate
- additives e.g., Tween 80, Polysorbate 80
- anti-oxidants e.g., ascorbic acid, sodium metabisulfite
- preservatives e.g.,
- compositions will influence the physical state, stability, rate of in vivo release, and rate of in vivo clearance of the G-CSF. See, e.g., Remington's Pharmaceutical Sciences, 18th Ed. (1990) Mack Publishing Co., Easton, PA, pages 1435-1712, which are herein incorporated by reference.
- Derivatives of G-CSF are also comprehended herein.
- Such derivatives include molecules modified by one or more water soluble polymer molecules, such as polyethylene glycol, or by the addition of polyamino acids, including fusion proteins (procedures for which are well-known in the art). Such derivatization may occur singularly at the N- or C-terminus or there may be multiple sites of derivatization.
- G-CSF or derivatives thereof may be formulated for injection, or oral, nasal, pulmonary, topical, or other types of admimstration as one skilled in the art will recognize.
- the formulation may be liquid or may be solid, such as lyophilized, for reconstitution.
- G-CSF or derivatives thereof are useful in the treatment of myocardial infarction or myocardial ischemia. Thus, the present methods may be useful for the treatment of such conditions.
- Conditions alleviated or modulated by the administration of G-CSF are typically those characterized by a reduced hematopoietic or immune function and more specifically, a reduced neutrophil count.
- Such conditions may be induced as a course of therapy for other purposes, such as chemotherapy or radiation therapy.
- infectious disease such as bacterial, viral, fungal, or other infectious disease.
- sepsis results from bacterial infection.
- such condition may be hereditary or environmentally caused, such as severe chronic neutropenia or leukemias.
- Age may also play a factor, as in the geriatric setting; patients may have a reduced neutrophil count or reduced neutrophil mobilization.
- the present invention involves a method for culturing bone marrow stem cells or peripheral blood progenitor cells with G-CSF.
- compositions for clinical use, it will be necessary to prepare the viral expression vectors, proteins, and nucleic acids as pharmaceutical compositions, i.e., in a form appropriate for in vivo applications. Generally, this will entail preparing compositions that are essentially free of pyrogens, as well as other impurities that could be harmful to humans or animals.
- One will generally desire to employ appropriate salts and buffers to render delivery vectors stable and allow for uptake by target cells. Buffers also will be employed when recombinant cells are introduced into a patient.
- compositions of the present invention comprise an effective amount of the human G- CSF analog or an expression vector to cells, dissolved or dispersed in a pharmaceutically acceptable carrier or aqueous medium. Such compositions also are referred to as inocula.
- pharmaceutically acceptable refers to molecular entities and compositions that do not produce adverse, allergic, or other untoward reactions when administered to an animal or a human.
- pharmaceutically acceptable carrier 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.
- compositions used in the methods of the present invention include classic pharmaceutical preparations. Administration of these compositions according to the present invention will be via any common route so long as the target tissue is available via that route.
- the pharmaceutical compositions may be introduced into the subject by any conventional method, e.g., by intravenous, intradermal, intramusclar, intramammary, intraperitoneal, intrathecal, retrobulbar, intrapulmonary (e.g., term release); by oral, sublingual, nasal, anal, vaginal, or transdermal delivery, or by surgical implantation at a particular site.
- the treatment may consist of a single dose or a plurality of doses over a period of time.
- the active compounds may be prepared for administration as solutions of free base or pharmacologically acceptable salts in water suitably mixed with a surfactant, such as hydroxypropylcellulose.
- Dispersions also can be prepared in glycerol, liquid polyethylene glycols, and mixtures thereof and in oils. Under ordinary conditions of storage and use, these preparations contain a preservative to prevent the growth of microorganisms.
- the pharmaceutical forms suitable for injectable use include sterile aqueous solutions or dispersions and sterile powders for the extemporaneous preparation of sterile injectable solutions or dispersions, i all cases, the form must be sterile and must be fluid to the extent that easy syringability exists. It must be stable under the conditions of manufacture and storage and must be preserved against the contaminating action of microorganisms, such as bacteria and fungi.
- the carrier can be a solvent or dispersion medium containing, for example, water, ethanol, polyol (for example, glycerol, propylene glycol, and liquid polyethylene glycol, and the like), suitable mixtures thereof, and vegetable oils.
- the proper fluidity can be maintained, for example, by the use of a coating, such as lecithin, by the maintenance of the required particle size in the case of dispersion and by the use of surfactants.
- a coating such as lecithin
- surfactants for example, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium sorbic acid, thimerosal, and the like, hi many cases, it will be preferable to include isotonic agents (for example, sugars or sodium chloride).
- Prolonged absorption of the injectable compositions can be brought about by the use in the compositions of agents delaying absorption (for example, aluminum monostearate and gelatin).
- Sterile injectable solutions are prepared by incorporating the active compounds in the required amount in the appropriate solvent with several of the other ingredients enumerated above, as required, followed by filtered sterilization.
- dispersions are prepared by incorporating the various sterilized active ingredients into a sterile vehicle that contains the basic dispersion medium and the required other ingredients from those enumerated above.
- the preferred methods of preparation are vacuum-drying and freeze-drying techniques that yield a powder of the active ingredient plus any additional desired ingredient from a previously sterile- filtered solution thereof.
- pharmaceutically acceptable carrier 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 pharmaceutical 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 is contemplated.
- Supplementary active ingredients also can be incorporated into the compositions.
- G-CSF may be incorporated with excipients and used in the form of non-ingestible mouthwashes and dentifrices.
- a mouthwash may be prepared incorporating the active ingredient in the required amount in an appropriate solvent, such as a sodium borate solution (Dobell's Solution).
- the active ingredient may be incorporated into an antiseptic wash containing sodium borate, glycerin and potassium bicarbonate.
- the active ingredient may also be dispersed in dentifrices, including: gels, pastes, powders and slurries.
- the active ingredient may be added in a therapeutically effective amount to a paste dentifrice that may include water, binders, abrasives, flavoring agents, foaming agents, and humectants.
- the compositions used in the methods of the present invention may be formulated in a neutral or salt form.
- Pharmaceutically-acceptable salts include the acid addition salts (formed with the free amino groups of the protein) and which are formed with inorganic acids such as, for example, hydrochloric or phosphoric acids, or such organic acids as acetic, oxalic, tartaric, mandelic, and the like. Salts formed with the free carboxyl groups also can be derived from inorganic bases such as, for example, sodium, potassium, ammonium, calcium, or ferric hydroxides, and such organic bases as isopropylamine, trimethylamine, histidine, procaine and the like. Upon formulation, solutions will be administered in a manner compatible with the dosage formulation and in such amount as is therapeutically effective.
- inorganic acids such as, for example, hydrochloric or phosphoric acids, or such organic acids as acetic, oxalic, tartaric, mandelic, and the like.
- Salts formed with the free carboxyl groups also can be derived from inorganic bases such as, for example, sodium, potassium,
- the formulations are easily administered in a variety of dosage forms such as injectable solutions, drug release capsules and the like.
- parenteral administration in an aqueous solution for example, the solution should be suitably buffered if necessary and the liquid diluent first rendered isotonic with sufficient saline or glucose.
- aqueous solutions are especially suitable for intravenous, intramuscular, subcutaneous and intraperitoneal administration.
- an effective amount of G-CSF, or derivatives thereof will be determined by the age, weight, and condition or severity of disease of the recipient. See, Remington's Pharmaceutical Sciences, supra, pages 697-773, herein incorporated by reference.
- a dosage of between about 0.001 ⁇ g/kg body weight/day to about lOOO ⁇ g/kg body weight/day may be used, but more or less, as a skilled practitioner will recognize, may be used.
- a preferred dosage in an adult human is approximately 300 ⁇ g/day. Dosing may be one or more times daily, or less frequently, and may be in conjunction with other compositions as described herein. It should be noted that the present invention is not limited to the dosages recited herein. "Unit dose" is defined as a discrete amount of a therapeutic composition dispersed in a suitable carrier.
- the polypeptide compositions are generally injected in doses ranging from 1 ⁇ g/kg to lOOmg/kg body weight/day, preferably at doses ranging from 0. lmg/kg to about 50 mg/kg body weight/day.
- Parenteral administration may be carried out with an initial bolus followed by continuous infusion to maintain therapeutic circulating levels of drug product.
- Those of ordinary skill in the art will readily optimize effective dosages and administration regimens as determined by good medical practice and the clinical condition of the individual patient. The frequency of dosing will depend on the pharmacokinetic parameters of the agents and the routes of admimstration.
- the optimal pharmaceutical formulation will be determined by one of skill in the art depending on the route of administration and the desired dosage.
- Such formulations may influence the physical state, stability, rate of in vivo release and rate of in vivo clearance of the administered agents.
- a suitable dose may be calculated according to body weight, body surface areas or organ size. Further refinement of the calculations necessary to determine the appropriate treatment dose is routinely made by those of ordinary skill 5 in the art without undue experimentation, especially in light of the dosage information and assays disclosed herein, as well as the pharmacokinetic data observed in animals or human clinical trials. Appropriate dosages may be ascertained through the use of established assays for determining level of myocardial infarct in conjunction with relevant dose-
- the final dosage regimen will be determined by the attending physician, considering factors that modify the action of drugs, e.g., the drug's specific activity, severity of the damage and the responsiveness of the patient, the age, condition, body weight, sex and diet of the patient, the severity of any infection, time of administration and other clinical factors. As studies are conducted, further
- compositions and treatment methods of the invention may be useful in fields of human medicine and veterinary medicine.
- the subject to be treated may be a mammal, preferably a 20. human.
- the present invention contemplates a kit containing components for treating myocardial infarction comprising a composition comprising G-CSF; and optionally, at least one additional factor useful in the treatment of myocardial infarction.
- G-CSF Administration for Repair of AMI in a Porcine Ischemia Reperfusion Model To determine whether treatment with G-CSF polypeptide would improve cardiac function and decrease infarct-related myocardial thinning in a model of AMI and reperfusion, G-CSF was administered intramuscularly (HVi) in two dosing regimens after AMI and reperfusion, one immediately after and one five days after the AMI event.
- HVi intramuscularly
- EXAMPLE 2 Determining the Critical Time Period for G-CSF Administration After AMI
- G- CSF is administered in several dosing regimens after AMI but before, during, and after reperfusion therapy in a porcine model of AMI and reperfusion.
- AMI is induced percutaneously in a porcine model with 90-minute proximal circumflex artery balloon occlusion followed by reperfusion.
- Animals are divided into multiple groups with different starting times for treatment with G-CSF (300 ⁇ g IM QOD), beginning immediately at the onset of AMI induction, and at various time intervals until 24 hours following reperfusion.
- MRI cardiac magnetic resonance imaging
- IR-FLASH contrast enhanced MR is inversion recovery gradient echo
- Myocardial infarct thickness is calculated as average thickness from three short axis views in the area of maximum infarction. Change in mean infarct thickness is measured as Mean infarct thickness of Scan 2 minus (-) Mean infarct thickness of Scan 1.
- Cardiac pathological analyses are performed. Percent in LV mass and in LVEF are also determined. Preferably LVEF is maintained or increased and there is prevention or minimization of chamber dilatation.
- White blood cell and platelet counts are also measured to assess response to therapy.
- G-CSF administration optimally elevates white blood cell count to at least 5 x 10 9 cells/L, but not greater than 100 x 10 9 cells/L, with a preferred range of 20-50 x 10 9 cells/L.
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Abstract
Description
Claims
Priority Applications (3)
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CA002543481A CA2543481A1 (en) | 2003-10-27 | 2004-09-27 | G-csf therapy as an adjunct to reperfusion therapy in the treatment of acute myocardial infarction |
EP04789111A EP1677817A1 (en) | 2003-10-27 | 2004-09-27 | G-csf therapy as an adjunct to reperfusion therapy in the treatment of acute myocardial infarction |
AU2004287369A AU2004287369A1 (en) | 2003-10-27 | 2004-09-27 | G-CSF therapy as an adjunct to reperfusion therapy in the treatment of acute myocardial infarction |
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US10/694,579 US7220407B2 (en) | 2003-10-27 | 2003-10-27 | G-CSF therapy as an adjunct to reperfusion therapy in the treatment of acute myocardial infarction |
US10/694,579 | 2003-10-27 |
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EP (1) | EP1677817A1 (en) |
AU (1) | AU2004287369A1 (en) |
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WO (1) | WO2005044296A1 (en) |
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WO2015047062A1 (en) | 2013-09-27 | 2015-04-02 | Uab Profarma | Fused proteins of granulocyte colony-stimulating factor with other partners of growth factor, preferably with stem cell factor, and method of preparation thereof |
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WO2001094420A1 (en) * | 2000-06-05 | 2001-12-13 | The Trustees Of Columbia University In The City Of New York | Identification and use of human bone marrow-derived endothelial progenitor cells to improve myocardial function after ischemic injury |
US20030199464A1 (en) * | 2002-04-23 | 2003-10-23 | Silviu Itescu | Regeneration of endogenous myocardial tissue by induction of neovascularization |
WO2003093433A2 (en) * | 2002-05-02 | 2003-11-13 | Regents Of The University Of Minnesota | Fibrin-based biomatrix |
CN1886150B (en) * | 2003-10-27 | 2010-05-26 | 学校法人庆应义塾 | Fibroblast-mobilizing agent containing G-CSF and wound remedy |
WO2008050789A1 (en) * | 2006-10-27 | 2008-05-02 | The New Industry Research Organization | Use of interleukin-11 as therapeutic agent for heart disease |
US7618938B2 (en) * | 2007-02-07 | 2009-11-17 | Academia Sinica | Treating cerebrovascular diseases with erythropoietin and granulocyte-colony stimulating factor jointly |
EP2185689A2 (en) | 2007-08-09 | 2010-05-19 | Genzyme Corporation | Method of treating autoimmune disease with mesenchymal stem cells |
US8758761B2 (en) * | 2007-09-30 | 2014-06-24 | University Of Florida Research Foundation, Inc. | Combination therapies for treating type 1 diabetes |
US20110104100A1 (en) * | 2007-10-04 | 2011-05-05 | Medistem Laboratories, Inc. | Compositions and methods of stem cell therapy for autism |
US10531655B2 (en) | 2011-12-02 | 2020-01-14 | The Regents Of The University Of California | Reperfusion protection solution and uses thereof |
WO2021046652A1 (en) | 2019-09-12 | 2021-03-18 | The University Of British Columbia | Inhibiting zd17-jnk interaction as a therapy for acute myocardial infarction |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015047062A1 (en) | 2013-09-27 | 2015-04-02 | Uab Profarma | Fused proteins of granulocyte colony-stimulating factor with other partners of growth factor, preferably with stem cell factor, and method of preparation thereof |
LT6161B (en) | 2013-09-27 | 2015-06-25 | Uab Profarma | Fused proteins of granulocyte colony-stimulating factor with other partners of growh factor, preferably with stem cell factor, and method of preparation thereof |
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AU2004287369A1 (en) | 2005-05-19 |
US7220407B2 (en) | 2007-05-22 |
US20070258945A1 (en) | 2007-11-08 |
US20050089507A1 (en) | 2005-04-28 |
EP1677817A1 (en) | 2006-07-12 |
CA2543481A1 (en) | 2005-05-19 |
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