US20080103102A1 - Therapeutic compositions and methods of treatment with capsianoside-type compounds - Google Patents

Therapeutic compositions and methods of treatment with capsianoside-type compounds Download PDF

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US20080103102A1
US20080103102A1 US11/925,604 US92560407A US2008103102A1 US 20080103102 A1 US20080103102 A1 US 20080103102A1 US 92560407 A US92560407 A US 92560407A US 2008103102 A1 US2008103102 A1 US 2008103102A1
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formula
compound
pharmaceutical composition
mammal
compound according
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Barry Belgorod
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BMB Patent Holding Corp
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BMB Patent Holding Corp
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Publication of US20080103102A1 publication Critical patent/US20080103102A1/en
Priority to US14/271,884 priority patent/US9090645B2/en
Priority to US14/934,888 priority patent/US10195224B2/en
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/70—Carbohydrates; Sugars; Derivatives thereof
    • A61K31/7016—Disaccharides, e.g. lactose, lactulose
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/70—Carbohydrates; Sugars; Derivatives thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/70—Carbohydrates; Sugars; Derivatives thereof
    • A61K31/7028—Compounds having saccharide radicals attached to non-saccharide compounds by glycosidic linkages
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K36/00—Medicinal preparations of undetermined constitution containing material from algae, lichens, fungi or plants, or derivatives thereof, e.g. traditional herbal medicines
    • A61K36/18—Magnoliophyta (angiosperms)
    • A61K36/185—Magnoliopsida (dicotyledons)
    • A61K36/81—Solanaceae (Potato family), e.g. tobacco, nightshade, tomato, belladonna, capsicum or jimsonweed
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K45/00—Medicinal preparations containing active ingredients not provided for in groups A61K31/00 - A61K41/00
    • A61K45/06—Mixtures of active ingredients without chemical characterisation, e.g. antiphlogistics and cardiaca
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P25/00—Drugs for disorders of the nervous system
    • A61P25/04—Centrally acting analgesics, e.g. opioids
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P29/00—Non-central analgesic, antipyretic or antiinflammatory agents, e.g. antirheumatic agents; Non-steroidal antiinflammatory drugs [NSAID]
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P43/00—Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07H—SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
    • C07H15/00—Compounds containing hydrocarbon or substituted hydrocarbon radicals directly attached to hetero atoms of saccharide radicals
    • C07H15/02—Acyclic radicals, not substituted by cyclic structures
    • C07H15/04—Acyclic radicals, not substituted by cyclic structures attached to an oxygen atom of the saccharide radical
    • C07H15/10—Acyclic radicals, not substituted by cyclic structures attached to an oxygen atom of the saccharide radical containing unsaturated carbon-to-carbon bonds
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07H—SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
    • C07H3/00—Compounds containing only hydrogen atoms and saccharide radicals having only carbon, hydrogen, and oxygen atoms
    • C07H3/04—Disaccharides

Definitions

  • the present invention relates to analgesic compositions and methods with compounds known as capsianosides and related compounds.
  • the compounds may be synthesized or they may be isolated from the fruit of the genus Capsicum , in particular Capsicum annuum .
  • This invention further relates to the therapeutic uses of such compounds as analgesics and as anti-inflammatory agents.
  • Analgesics render sensory pathways insensible or less sensible to pain, whereas anesthetics act on all sensory pathways rendering them insensible to pain, temperature, touch, proprioception and skeletal muscle tone.
  • anesthetics can be used for pain management, their utility is limited by their inhibition of these other sensory pathways.
  • analgesics it may be desired to control a patient's pain associated with an oral mucosal lesion without interfering with senses of touch, proprioception (to avoid biting of the tongue) or taste (so as not to interfere with appetite), which is not generally possible with topical anesthetics (for example, Benzocaine) which are not able to selectively inhibit pain.
  • topical anesthetics for example, Benzocaine
  • Analgesics are generally classified as either narcotic (opioids) or non-narcotic. Narcotic analgesics primarily act on the central nervous system and carry potentially life-threatening side-effects such as addiction, impaired higher cortical function and depressed respiration. As a result, their use is regulated and they may only be prescribed by licensed practitioners. Non-narcotic analgesics include salicylates, such as aspirin; acetaminophen; and non-steroidal anti-inflammatory drugs (“NSAIDS”), such as cyclooxygenase-2 (“Cox-2”) inhibitors.
  • NSAIDS non-steroidal anti-inflammatory drugs
  • non-narcotic analgesics can be limited in their ability to control pain and may have the side effects of chemical irritation, anticoagulation, myocardial infarction and stroke. Accordingly, there is a continuing need for the discovery and development of new analgesics, and in particular non-narcotic analgesics, that are useful for the localized management of pain without an undesirable side effects profile.
  • capsaicin a vanillyl alkaloid that is the source of pungency in hot peppers
  • capsaicin has been used to treat the pain of arthritis, osteoarthritis, and various peripheral neuropathies. See, for example, Cordell and Araujo, The Annals of Pharmacotherapy , (1993) 27:330; Levinson, (January/February 1995) The Sciences , pp. 13-15.
  • the therapeutic usefulness of capsaicin is limited due to an adverse side effects profile that includes burning sensations and erythema, and such side effects may persist over time.
  • extracts of sweet bell peppers have been shown to exhibit analgesic properties (see, for example, U.S. Pat. Nos. 6,060,060 and 6,086,888), but the specific compounds responsible for such analgesic effects have not been identified. Furthermore, as such extracts must be derived from naturally-occurring fruit, their production and practical use is limited.
  • capsianosides that occur naturally in sweet bell peppers have been identified, for example capsianosides A-F and I-V reported both by Izumitani et al. (“Novel Acyclic Diterpene Glycosides, Capsianosides A-F and I-V from Capsicum Plants” (Solanaceous Studies. XVI) Chem. Pharm. Bull . (1990), 38(5):1299-1307) and by Iorizzi et al. (“New Glycosides from Capsicum annuum L. Var. acuminatum . Isolation, Structure Determination, and Biological Activity” J. Agric. Food Chem .
  • the present invention is directed to certain compounds and their use as therapeutic agents, and in particular as analgesics and anti-inflammatory agents.
  • Such compounds include, for example, various diterpene monoglycosides and diterpene diglycosides which may be synthetically or semi-synthetically produced, or which may be isolated from the fruit of the genus Capsicum , and in particular may be isolated from sweet bell peppers ( C. annuum ).
  • Pharmaceutically-acceptable salts, enantiomers, diasteriomers, racemic mixtures, enantiomerically-enriched mixtures, solvates, and prodrugs of such compounds are also included in the present invention.
  • compositions, combinations of compounds of the present invention and other therapeutic ingredients, such as analgesics and anti-inflammatory agents, are also provided by the present invention, as are methods of using such pharmaceutical compositions, compounds and combinations.
  • Objects of the present invention include providing pharmaceutical compositions, compounds, and combinations for the treatment of pain, discomfort and inflammation, in a safe and effective manner.
  • the present invention is directed to pharmaceutical compositions that includes a therapeutically effective amount of a compound according to Formula I: or a pharmaceutically-acceptable salt, enantiomer, diasteriomer, racemic mixture, enantiomerically-enriched mixture, solvate, or prodrug of Formula I, in a pharmaceutically effective carrier, wherein R 1 is a carbohydrate moiety; R 2 is H or C(O)R 4 ; R 3 is H, a carbohydrate moiety, or a substituted or unsubstituted C 1 -C 20 group; and R 4 is a substituted or unsubstituted C 1 -C 20 group.
  • a pharmaceutically effective carrier wherein R 1 is a carbohydrate moiety; R 2 is H or C(O)R 4 ; R 3 is H, a carbohydrate moiety, or a substituted or unsubstituted C 1 -C 20 group; and R 4 is a substituted or unsubstituted C 1 -C 20 group.
  • R 1 and R 3 are independently selected from the group consisting of glucose, galactose, rhamnose, xylose, and arabinose; R 1 is glucose, R 2 and R 3 are each H; and each of R 2 , R 3 , and R 4 independently comprises one or more aromatic rings.
  • the compound may be present in an amount that is therapeutically effective to treat analgesia or reduce inflammation in a mammal.
  • the compound according to Formula I is a compound of Formula II:
  • a prodrug of a compound according to Formula I is a compound according to Formula III:
  • R 5 is a hydrolyzable sugar, such as glucose.
  • a prodrug of a compound according to Formula I is a compound of Formula IV:
  • compositions of the present invention may be in the form of an immediate-release, controlled-release, or sustained-release orally-administrable composition, such as a pill, tablet, capsule, gelcap, lozenge, throat spray, solution, emulsion, cream, paste, gel, cough drop, dissolvable strip, lollipop, or gum; in the form of a topically-administrable composition, such as a liquid solution, liquid spray, emulsion, cream, paste, gel, lotion, foam, or impregnated dressing; in the form of an occularly-administrable composition, such as eye-drops; and may be administered to the sinuses, throat, or lungs, for example in the form of inhalable particles, an inhalable solution, droplets, or an aerosol.
  • an immediate-release, controlled-release, or sustained-release orally-administrable composition such as a pill, tablet, capsule, gelcap, lozenge, throat spray, solution, emulsion, cream, paste, gel, cough drop, dissolvable strip, lollipop
  • Compounds of the of the present invention may be produced synthetically or semi-synthetically; or may be isolated and purified from a naturally occurring organism, such as from a fruit of the genus Capsicum , such as C. annuum , in which case they may be isolated and purified away from the cellular debris of the naturally occurring organism.
  • the present invention is directed to pharmaceutical compositions including one or more therapeutic agents in combination with a compound of the present invention, such as an analgesics and/or anti-inflammatory agents, for example an NSAID selected from the group consisting of salicylates, acetaminophen, ibuprofen and COX-2 inhibitors.
  • an analgesics and/or anti-inflammatory agents for example an NSAID selected from the group consisting of salicylates, acetaminophen, ibuprofen and COX-2 inhibitors.
  • the present invention is directed to pharmaceutical compositions including a therapeutically effective amount of a compound according to Formula II in a pharmaceutically effective carrier.
  • the compound of Formula II may be provided in an analgesically-effective amount, and may be provided in combination with one or more therapeutic agents, such as those discussed above.
  • the present invention is directed to pharmaceutical compositions including a therapeutically effective amount of a compound according to Formula I, as defined above, or a pharmaceutically-acceptable salt, enantiomer, diasteriomer, racemic mixture, enantiomerically-enriched mixture, solvate, or prodrug of Formula I, in a pharmaceutically effective carrier, and which is present in an analgesically-effective amount.
  • the substituents and compounds of Formula I may be those noted above.
  • Such compounds may be present in an analgesically-effective amount of between about 0.01 mg to about 500 mg per unit dose, and between about 1 mg to about 100 mg per unit dose.
  • Such pharmaceutical compositions may be administered as noted above.
  • the present invention is directed to a method for effecting analgesia or reducing inflammation in a mammal, comprising administering to a patient in need thereof a pharmaceutical composition comprising a therapeutically effective amount, which may be an analgesically-effective amount, of a compound according to Formula I, defined above, or a pharmaceutically-acceptable salt, enantiomer, diasteriomer, solvate, or prodrug of Formula I, in a pharmaceutically effective carrier.
  • a pharmaceutical composition comprising a therapeutically effective amount, which may be an analgesically-effective amount, of a compound according to Formula I, defined above, or a pharmaceutically-acceptable salt, enantiomer, diasteriomer, solvate, or prodrug of Formula I, in a pharmaceutically effective carrier.
  • the substituents and compounds of Formula I may be those noted above.
  • Such methods may include administering compounds of the present invention in the manners noted above alone or in combination with other noted therapeutic agents, and in a therapeutically effective amount of
  • FIG. 1 shows HPLC chromatograms and UV spectra of fraction BMBW-M40i.
  • FIG. 2 shows TIC, UV (221 nm) and negative ESIMS spectra of the peaks of fraction BMBW-M40i.
  • FIG. 3 shows ESIMS results of fraction BMBW-M40i-5.
  • FIG. 4 shows TIC and negative ESI MS/MS spectra of ions with m/z 659.45 from fraction BMBW-M40iA (A), m/z 745.19 (B), and m/z 1319.17 (C).
  • FIG. 5 shows negative ESI MS/MS spectra of ion with m/z 497.43 from fraction BMBW-M40i-5.
  • FIG. 6 shows ID 1 H-NMR spectra of Compound 660.
  • FIG. 7 shows ID 13 C NMR spectra of Compound 660.
  • FIG. 8 shows ID 1 H-NMR spectra of Compound 498.
  • FIG. 9 shows ID 13 C NMR spectra of Compound 498.
  • FIG. 10 shows the structure of Compound 660 (Formula IV).
  • FIG. 11 shows the structure of Compound 498 (Formula II).
  • the present invention is directed to the discovery of certain compounds, including certain diterpene monoglycosides and diterpene diglycosides, as therapeutic agents, and in particular as analgesics for the prevention, treatment and management of pain, and as anti-inflammatory agents.
  • such compounds have been isolated, identified, and shown to have therapeutic utility.
  • identification and characterization of these compounds, pharmaceutical compositions including such compounds, and methods of making and using such compounds and pharmaceutical compositions of the present invention are the result of research efforts described herein that stem from the unexpected discovery that the puree or juice of sweet peppers exhibits an analgesic effect on inflamed pharyngeal mucosa, without the burning sensation or pungency that accompanies the use of capsaicin or the purees or juices of peppers exhibiting pungency.
  • the present invention is directed in certain embodiments to pharmaceutical compositions including a therapeutically effective amount of a compound according to Formula I: or a pharmaceutically-acceptable salt, enantiomer, diasteriomer, solvate, or prodrug of Formula I, in a pharmaceutically effective carrier, wherein R 1 is a carbohydrate moiety; R 2 is H or C(O)R 4 ; R 3 is H, a carbohydrate moiety, or a substituted or unsubstituted C 1 -C 20 group; and R 4 is a substituted or unsubstituted C 1 -C 20 group.
  • a pharmaceutically effective carrier wherein R 1 is a carbohydrate moiety; R 2 is H or C(O)R 4 ; R 3 is H, a carbohydrate moiety, or a substituted or unsubstituted C 1 -C 20 group; and R 4 is a substituted or unsubstituted C 1 -C 20 group.
  • the carbohydrate moiety of R 1 may be, for example and without limitation, glucose, galactose, rhamnose, xylose, or arabinose.
  • R 2 , R 3 , or R 4 may each independently include one or more aromatic rings.
  • the present invention is directed to pharmaceutical compositions including a therapeutically effective amount of a compound of Formula II:
  • the present invention is directed to pharmaceutical compositions including a prodrug of a compound according to Formula I, such as a compound according to Formula III: wherein R 5 is a hydrolyzable sugar, such as Glc.
  • a compound according to Formula III may yield a compound with a single Glc unit, such as a compound of Formula II.
  • such a prodrug is a compound of Formula IV:
  • prodrug is given its conventional and generally art-recognized definition as a compound that is provided to a patient in a generally inactive form (or in a form with substantially reduced activity), and which is converted into an active, or more active, drug in vivo, such as through enzymatic cleavage.
  • the resulting active drug is generally referred to as a “metabolite” of the prodrug.
  • certain compounds according to Formula III are prodrugs of certain compounds according to Formula I, such that when a compound according to Formula III is introduced into or on a human, it will react under normal metabolic conditions to yield a compound according to Formula I.
  • a compound of Formula IV is a prodrug of a compound of Formula II.
  • additional prodrugs that are within the scope of the present invention include, without limitation, compounds with hydrolyzable groups on the free hydroxyl group or ester groups at the carboxylic acid. Certain prodrugs may, for example, independently meet the limitations of Formula I, while other prodrugs meet the limitations of Formula I only after conversion into their active form.
  • composition “includes a compound according to (or of) a particular Formula, or a pharmaceutically-acceptable salt, enantiomer, diasteriomer, racemic mixture, enantiomerically-enriched mixture, solvate, or prodrug of such Formula”, specifically means that such composition may include either a single compound falling within such definition, or may include more than one compound falling within such definition.
  • a pharmaceutical composition of the present invention that includes a “therapeutically effective amount of a compound according to Formula I, or a pharmaceutically-acceptable salt, enantiomer, diasteriomer, racemic mixture, enantiomerically-enriched mixture, solvate, or prodrug of Formula I” may include a single compound according to Formula I (such as a compound of Formula II), or may, for example, include a compound of Formula II in combination with another compound that meets the above definition, for example a compound of Formula IV.
  • pharmaceutical compositions of the present invention may further include other compounds, for example they may include a compound of Formulas II and a compound of Formula IV in combination with a salt according to Formula I, etc.
  • pharmaceutical compositions of the present invention may include any number of compounds in combination that fall within the provided definitions, so long as they are therapeutically or otherwise useful as intended.
  • a compound is present in a “therapeutically effective amount” refers to an amount that is sufficient to effect a desired physiological change in a mammal, as that term is conventionally used and will be recognized by one of skill in the art.
  • a compound is present “in an amount that is therapeutically effective to effect analgesia”, means, without limitation, that the compound is present in an amount that results in the alleviation or elimination of pain and/or discomfort in a mammal and/or inflammation, as determined qualitatively or quantitatively.
  • a compound is present “in an amount that is therapeutically effective to reduce inflammation” means, without limitation, that the compound is present in an amount that results in the alleviation or elimination of inflammation in a mammal suffering from an inflammatory condition, as determined qualitatively or quantitatively.
  • Such conditions which may be alleviated or eliminated by compounds and compositions of the present invention may be acute or chronic.
  • compositions of the present invention generally include a therapeutically effective amount of a compound according to Formula I, or a pharmaceutically-acceptable salt, enantiomer, diasteriomer, solvate, or prodrug of Formula I, in a pharmaceutically effective carrier.
  • pharmaceutically acceptable salts refers to salts prepared, for example and without limitation, from pharmaceutically acceptable non-toxic bases including inorganic bases and organic bases. Salts derived from inorganic bases include, for example, aluminum, ammonium, calcium, copper, ferric, ferrous, lithium, magnesium, manganic salts, manganous, potassium, sodium, zinc, and the like.
  • Salts derived from pharmaceutically acceptable organic non-toxic bases include, for example, salts of primary, secondary, and tertiary amines, substituted amines including naturally occurring substituted amines, cyclic amines, and basic ion exchange resins, such as arginine, betaine, caffeine, choline, N,N-dibenzylethylenediamine, diethylamine, 2-diethylaminoethanol, 2-dimethylaminoethanol, ethanolamine, ethylenediamine, N-ethylmorpholine, N-ethylpiperidine, glucamine, glucosamine, histidine, hydrabamine, isopropylamine, lysine, methylglucamine, morpholine, piperazine, piperidine, polyamine resins, procaine, purines, theobromine, triethylamine, trimethylamine, tripropylamine, tromethamine, and the like.
  • basic ion exchange resins
  • compositions including a compound according to Formula I, or a pharmaceutically-acceptable salt, enantiomer, diasteriomer, solvate, or prodrug of Formula I, in a pharmaceutically effective carrier, are useful, for example, for the relief of pain, fever and inflammation of a variety of conditions, including rheumatic fever; symptoms associated with influenza or other viral infections; common cold; low back and neck pain; dysmenorrhea; headache; toothache; sprains and strains; myositis; neuralgia; synovitis; arthritis, including rheumatoid arthritis and degenerative joint diseases (e.g., osteoarthritis); gout and ankylosing spondylitis; bursitis; burns; injuries; and pain and inflammation following surgical and dental procedures, as illustrated and suggested by the present Examples.
  • compositions and compounds of the present invention may inhibit cellular neoplastic transformations and metastic tumor growth, and hence may be useful in the treatment of cancer.
  • compositions including a compound according to Formula I, or a pharmaceutically-acceptable salt, enantiomer, diasteriomer, solvate, or prodrug of Formula I, are expected to be useful in therapeutic combinations with known therapeutic compounds, for example analgesics and anti-inflammatory agents.
  • analgesics expected to have therapeutic utility in combination with compounds of the present invention include, but are not limited to, NSAIDS such as the salicylates; acetaminophen; ibuprophen; and COX-2 inhibitors.
  • compositions including compounds according to Formula I, or pharmaceutically-acceptable salts, enantiomers, diasteriomers, solvates, or prodrugs of Formula I, may be administered to a patient in need thereof in any acceptable form in dosage unit formulations that employ conventional non-toxic pharmaceutically acceptable carriers, adjuvants and vehicles that permit such compositions of the present invention to have their desired therapeutic effect.
  • such compositions may be in an orally-administrable form; a topical form; may be administered to the sinuses, throat, lungs, eyes, ears, vagina and/or rectum; or may be administered parenterally.
  • compositions of the present invention that are intended for oral and/or topical use may be in the form of a pill, tablet, gelcap, or hard or soft capsule (each of which may be in an immediate, sustained or time-release formulation); lozenge; throat spray; solution; emulsion; cream; ointment; impregnated dressing; foam; paste; gel; cough drop; dissolvable strip; jelly; mouthwash; gargle; lollipop; gum; aqueous or oily suspension, dispersible powder/granules; syrup; and/or elixir; and may be prepared according to any method known in the art for the manufacture of pharmaceutical compositions.
  • compositions may further contain one or more agents selected from the group consisting of sweetening agents, flavoring agents, coloring agents and preserving agents in order to provide pharmaceutically elegant and palatable preparations.
  • dissolvable strip is meant a sheet of material that can be placed in the mouth to dissolve and release the active ingredient. Such dissolvable strips are also known as flavor strips or oral care strips. Dissolvable strips are often carbohydrate-based. Tablets typically contain the active ingredient in admixture with non-toxic pharmaceutically acceptable excipients which are suitable for the manufacture of such tablets.
  • excipients may be for example, inert diluents, such as calcium carbonate, sodium carbonate, lactose, calcium phosphate or sodium phosphate; granulating and disintegrating agents, for example, corn starch, or alginic acid; binding agents, for example starch, gelatin or acacia; and lubricating agents, for example, magnesium stearate, stearic acid or talc. Tablets may be uncoated or they may be coated by known techniques to delay disintegration and absorption in the gastrointestinal tract and thereby provide a sustained action over a longer period. For example, a time delay material such as glyceryl monostearate or glyceryl distearate may be employed.
  • inert diluents such as calcium carbonate, sodium carbonate, lactose, calcium phosphate or sodium phosphate
  • granulating and disintegrating agents for example, corn starch, or alginic acid
  • binding agents for example starch, gelatin or
  • the active ingredient(s) in hard gelatin capsule formulations may be mixed with an inert solid diluent, for example, calcium carbonate, calcium phosphate or kaolin; and in soft gelatin capsule formulations the active ingredient(s) may be mixed with water or an oil medium, for example peanut oil, liquid paraffin, or olive oil.
  • an inert solid diluent for example, calcium carbonate, calcium phosphate or kaolin
  • water or an oil medium for example peanut oil, liquid paraffin, or olive oil.
  • Aqueous suspensions typically contain the active material in admixture with excipients suitable for the manufacture of such aqueous suspensions.
  • excipients may be suspending agents, for example sodium carboxymethylcellulose, methylcellulose, hydroxy-propylmethycellulose, sodium alginate, polyvinyl-pyrrolidone, gum tragacanth and gum acacia; dispersing or wetting agents, such as a naturally-occurring phosphatide (e.g., lecithin), condensation products of an alkylene oxide with fatty acids (e.g., polyoxyethylene stearate), condensation products of ethylene oxide with long chain aliphatic alcohols (e.g., heptadecaethylene-oxycetanol), condensation products of ethylene oxide with partial esters derived from fatty acids and a hexitol (e.g., polyoxyethylene sorbitol monooleate), or condensation products of ethylene oxide with partial esters derived from fatty acids and hex
  • the aqueous suspensions may also contain one or more preservatives, for example ethyl, n-propyl, or p-hydroxybenzoate; one or more coloring agents; one or more flavoring agents; and/or one or more sweetening agents, such as sucrose, saccharin or aspartame.
  • preservatives for example ethyl, n-propyl, or p-hydroxybenzoate
  • coloring agents for example ethyl, n-propyl, or p-hydroxybenzoate
  • flavoring agents for example ethyl, n-propyl, or p-hydroxybenzoate
  • sweetening agents such as sucrose, saccharin or aspartame.
  • Oily suspensions may be formulated by suspending the active ingredient in a vegetable oil, such as arachis oil, olive oil, sesame oil or coconut oil; or in mineral oil, such as liquid paraffin.
  • a vegetable oil such as arachis oil, olive oil, sesame oil or coconut oil
  • mineral oil such as liquid paraffin.
  • Such oily suspensions may also contain a thickening agent, such as beeswax, hard paraffin or cetyl alcohol.
  • Sweetening agents such as those set forth above, and flavoring agents, may also be added to provide a palatable oral preparation.
  • Such compositions may be preserved by the addition of an anti-oxidant, such as ascorbic acid.
  • Dispersible powders and granules suitable for preparation of an aqueous suspension by the addition of water typically provide the active ingredient in admixture with a dispersing or wetting agent, a suspending agent and one or more preservatives. Suitable dispersing or wetting agents and suspending agents are exemplified by those aforementioned. Additional excipients, for example sweetening, flavoring and coloring agents, may also be present.
  • compositions of the present invention may also be in the form of oil-in-water emulsions.
  • the oily phase may be a vegetable oil (e.g., olive oil or arachis oil), a mineral oil (e.g., liquid paraffin), or mixtures of such vegetable and mineral oils.
  • Suitable emulsifying agents may be naturally-occurring phosphatides, such as soy bean, lecithin, esters or partial esters derived from fatty acids and hexitol anhydrides (e.g., sorbitan monooleate), and condensation products of such partial esters with ethylene oxide (e.g., polyoxyethylene sorbitan monooleate).
  • Such emulsions may also contain sweetening and flavoring agents.
  • Syrups and elixirs may be formulated with sweetening agents, such as glycerol, propylene glycol, sorbitol or sucrose. Such formulations may also contain a demulcent, a preservative, and flavoring and/or coloring agents.
  • Pharmaceutical compositions of the present invention may also be in the form of a sterile injectable aqueous or oleagenous suspension, which may be formulated according to methods known in the art using, for example, suitable aforementioned dispersing or wetting agents, and suspending agents.
  • Such a sterile injectable preparation may also be a sterile injectable solution or suspension in a non-toxic parenterally-acceptable diluent or solvent, such as a solution in 1,3-butane diol.
  • Acceptable vehicles and solvents include, for example, water, Ringer's solution and isotonic sodium chloride solution.
  • sterile, fixed oils may be employed as a solvent or suspending medium, such as a bland fixed oil, including synthetic mono- or diglycerides. Fatty acids such as oleic acid, may also be used in the preparation of injectables.
  • inventive compounds and pharmaceutical compositions may be administered in a controlled or sustained release system.
  • a controlled or sustained release system include, for example, the use of a pump (see, for example, Langer and Sefton, (1987) CRC Crit. Ref. Biomed. 14:201; Buchwald et al. (1980), Surgery 88:507; Saudek et al. (1989), N. Engl. J. Med.
  • compositions including compounds of Formula I, or pharmaceutically-acceptable salts, enantiomers, diasteriomers, racemic mixtures, enantiomerically-enriched mixtures, solvates, or prodrugs of Formula I, may also be administered in the form of rectal suppositories.
  • Such compositions may be prepared by mixing the active compound with a suitable non-irritating excipient which is solid at ordinary temperatures but liquid at rectal temperature, and will therefore melt in the rectum to release the active compound.
  • Suitable rectal suppository materials include cocoa butter and polyethylene glycols.
  • a lozenge for topical administration of the inventive compositions and compounds, a lozenge; throat spray; solution; emulsion; cream; ointment; impregnated dressing; foam; paste; gel; cough drop; dissolvable strip; jelly; mouthwash; gargle; lollipop; gum; aqueous or oily suspension, dispersible powder/granules; syrup; and/or elixir may be employed.
  • compositions and compounds of the present invention may also be administered occularly, such as in the form of eye-drops, ointments, sprays or conjunctival timed-release inserts.
  • Administration of the inventive pharmaceutical compositions to the sinuses, throat, or lungs may be in the form of inhalable particles, inhalable solution, droplets, inhalation sprays, or aerosol.
  • such compositions may be administered parenterally, such as by subcutaneous injection, intravenously, intramuscularly, intrasternally, or by various infusion techniques.
  • compositions of the present invention include, for example, analgesically-effective amounts and/or amounts effective to reduce inflammation, of compounds according to Formula I, or pharmaceutically-acceptable salts, enantiomers, diasteriomers, racemic mixtures, enantiomerically-enriched mixtures, solvates, or prodrugs of Formula I, and may contain between about 0.01 mg to about 500 mg per unit dose of such compounds. In one embodiment, the amount is between about 1 mg to about 100 mg per unit dose.
  • the dosage regimen for pharmaceutical compositions of the present invention will, of course, vary depending upon known factors, such as the pharmacodynamic characteristics of the particular agent and its mode and route of administration; the species, age, sex, general health, medical condition, diet, and body weight of the recipient; the nature and extent of the symptoms; the kind of concurrent treatment; the frequency of treatment; the time of administration; route of administration, the renal and hepatic function of the patient, and the effect desired.
  • a physician or veterinarian in such case as the inventive compositions are use in the treatment of non-human animals) can determine and prescribe the effective amount of the drug required to prevent, counter, or arrest the progress of the disease state.
  • the amount of active ingredient that may be combined with carrier materials to produce a single dosage form will vary depending upon the host treated and the particular mode of administration.
  • a formulation intended for the oral administration of humans may contain from 0.5 mg to 5 g of active agent compounded with an appropriate and convenient amount of carrier material which may vary from about 5 to about 95 percent of the total composition.
  • Dosage unit forms will generally contain between from about 1 mg to about 500 mg of an active ingredient, typically 25 mg, 50 mg, 100 mg, 200 mg, 300 mg, 400 mg, 500 mg, 600 mg, 800 mg, or 1000 mg.
  • compositions of the present invention may be used without limitation for various therapeutic uses, including analgesia and reducing inflammation.
  • such compositions may be used to treat pain and/or discomfort by administration to an individual experiencing pain or discomfort, and may be used to treat inflammatory conditions by administration to an individual exhibiting an inflammatory condition.
  • compositions according to the present invention are administered to treat one or more symptoms of a cold or flu. Such symptoms include sore throat, eyes, ears, or sinuses.
  • such compositions may be used to treat pain due to abrasions, rash, or minor cuts or burns.
  • compositions of the present invention are impregnated in adhesive bandages to provide relief from the discomfort of sores or blisters.
  • compositions of the present invention are applied topically or intramuscularly to provide relief from muscular or joint pain, or relief from neuropathy.
  • Administration routes also include time-released formulations to provide extended or long-range treatment.
  • compounds according to Formula I may be entirely natural in origin, or entirely synthetic, or a modified form of a naturally-occurring compound (i.e. semi-synthetic).
  • sweet green bell peppers Capsicum anuum ssp. grossum
  • sweet green bell peppers Capsicum anuum ssp. grossum
  • the stems and/or seeds may be removed prior to the preparation of the puree.
  • the puree may be filtered to a juice by conventional methodology, including, but not limited to, vacuum filtration.
  • Highly non-polar compounds including, but not limited to chlorophylls and waxes may be removed from the juice by partitioning the juice between the hydrophilic aqueous phase and a non-polar solvent including, but not limited to, diethyl ether.
  • the aqueous phase may be utilized for further separation, utilized as is, or subjected to trituration with short chain alcohols including, but not limited to methanol or ethanol to precipitate out compounds including, but not limited to, polypeptides and long chain carbohydrates.
  • the juice and/or triturated supernatant may be concentrated by conventional methodology such as rotary evaporation or freeze-drying or may be directly separated by column chromatography with sorbents (stationary phase) including, but not limited to, C-18 with fractions eluted with a gradient solvent (mobile phase) system including, but not limited to water:methanol and/or Sephadex LH-20 eluted with small chain alcohols including, but not limited to, pure methanol.
  • Sub-fractions containing active analgesic compounds can be purified by methods including, but not limited to, HPLC or HPLC/mass spectrometry to yield pure isolates of active compounds.
  • a rat hindpaw assay was used to determine the therapeutic effectiveness of various extracts/compounds as analgesics in the present invention.
  • Sprague-Dawley rats (225-250 g, male) were anesthetized with urethane and placed on their sides on a disposable Chux pad. Both hindpaws for each rat were blackened with India ink which was allowed to dry for 10 minutes.
  • An ELH projector lamp calibrated to a standard mW/cm 2 was used as a pain stimulus and was condensed into an area of 5 ⁇ 15 mm on each hindpaw and placed perpendicular to, and 72 mm from, each hindpaw.
  • each fraction 100 ⁇ l of each fraction were applied to the capsaicin-treated hindpaw by pipette and permitted to dry (the untreated hindpaw was not treated with the fraction). Hindpaw withdrawal latencies were then recorded at 5, 20 and 30 minutes for both the capsaicin/fraction-treated hindpaw and the untreated hindpaw. An increase in the hindpaw withdrawal time was indicative of an analgesic effect by the applied fraction.
  • 500 ml of filtered juice was partitioned with 500 ml of diethyl ether to remove waxes and chlorophylls. This partitioning was performed for a total of three times. Three layers were separated, the aqueous layer, the ether layer and an intermediate flocculent layer. Aliquots of each layer were tested by the Analgesic Bioassay (Example 1). Only the aqueous layer exhibited analgesic activity.
  • the aqueous layer was rotary evaporated at room temperature to 10 ml of a light brown gel which was triturated with two successive volumes of 100 ml methanol at room temperature to precipitate out long chain carbohydrates and polypeptides.
  • the methanolic suspension was suction filtered with a Buchner funnel. The clear filtrate was dried down to 1 ml of a viscous amber liquid in a rotary evaporator at 40° C.
  • Bioassays were performed as described above on fractions eluted with 30%-80% methanol based on matching thin layer chromatograms to standard EEa. Fractions adjacent to these matching fractions were also bioassayed. Results of bioassay testing (latencies in seconds and corresponding standard errors of the mean (SEM) were recorded for fractions obtained throughout the isolation and purification procedures described. Sub-fractionations were guided by both 1) bioassay testing, as described above, and 2) comparing thin layer chromatograms of fractions and sub-fractions obtained as described herein to fraction EEa (see Example 3). Based on bioassayed analgesic activity, aliquots of the 40% fraction (BMBW-M40, total weight 99.8 mg) and the 60% fraction (BMBW-M60, total weight 102.1 mg) were further sub-fractionated.
  • BMBW-M40 66.0 mg was sub-fractionated by column chromatography with a stationary phase of Sephadex LH-20 (10.0 g, 25-100 ⁇ m; Pharmacia Fine Chemicals, Piscataway, N.J.). Sub-fractions were eluted with a solvent system of pure methanol. Sub-fractions were combined based on HPLC analyses to yield twelve sub-fractions.
  • BMBW-M60 70.5 mg was sub-fractionated by column chromatography with a stationary phase of Sephadex LH-20 (10.0 g, 25-100 ⁇ m; Pharmacia Fine Chemicals, Piscataway, N.J.). Sub-fractions were eluted with a solvent system of pure methanol. Sub-fractions were combined based on HPLC analyses to yield sixteen sub-fractions. In bioassays performed as described above, all of the BMBW-M60 sub-fractions failed to demonstrate the significant retention of analgesic activity.
  • Sub-fraction BMBW-M40i was analyzed by HPLC analyses on a Waters 2690 separation module equipped with a Waters 996 photodiode array detector and Empower software using a Phenomenex Aqua C18 column (4.6 ⁇ 250 mm, 5 ⁇ m) and a HPLC gradient program (Table 2), column at room temperature, 65 min run time.
  • Table 2 HPLC Analysis of Sub-fraction BMBW-M40i Time (min) Flow (ml/min) Water (%) Methanol (%) Curve 0.00 1.00 95.0 5.0 Linear-6 10.00 1.00 50.0 50.0 Linear-6 15.00 1.00 50.0 50.0 Linear-6 50.00 1.00 5.0 95.0 Linear-5 65.00 1.00 95.0 5.0 Linear-6
  • FIG. 1 shows HPLC chromatograms and UV spectra of BMBW-M40i peaks.
  • the UV spectra in FIG. 1 indicated that peaks 1, 2, 3, 4 and 7 were likely to have aromatic rings and peaks A, B, 5, and 6 were unlikely to have aromatic rings.
  • Sub-fraction BMBW-M40i was subjected to HPLC-MS analysis. 1.8 mg of BMBW-M40i was dissolved in 1.0 ml methanol. 20 ⁇ L of this solution was diluted with 100 ⁇ L of methanol and was analyzed by negative electrospray ionization mass spectrometry (ESIMS) with a ThermoFinnigan LCQ instrument (San Jose, Calif.) equipped with Xcalibur software. The sample was introduced by a Waters 2690 separation module, equipped with a Waters 2487 dual ⁇ absorbance detector. The capillary voltage was set at 10 V with a spray voltage of 4.5 kV, tube lens offset of 0 V and capillary temperature of 230° C. The sheath gas and auxiliary gas were both Nitrogen with flow rates of 80 and 30, respectively. Results of this negative ESIMS are shown in FIG. 2 .
  • HPLC/MS by positive ESIMS was performed on BMBW-M40i on an Agilent Technologies 1100 Series LC/MSD model G1946D using electrospray ionization. Ionization was carried out with a drying gas temperature of 200° C., a nebulizer pressure of 40 psi and a flow rate of 13 L/min. The mass range scanned was between 140 and 1500 amu with fragmentor values of 70 volts in both positive and negative mode. The capillary was set to 4000 volts.
  • the injection volume was 25 ⁇ L. Simultaneous monitoring was performed at 230 nm and 260 nm. Spectra were recorded from 200 to 900 nm. Data was processed using Agilent's Chemstation software.
  • Mass spectral data by positive ESIMS revealed the primary constituents of BMBW-M40i to have m/z 698 (M + NH 4 + ), m/z 764 (M + NH 4 + ), m/z 516 (M + NH 4 + ) with it corresponding m/z 1014 (2M + NH 4 + ) and a small peak for m/z 602 (M + NH 4 + ).
  • BMBW-M40i 1.6 mg was sub-sub-fractionated by analytic HPLC on a Waters 690 separation module equipped with a Waters 996 photodiode array detector and Empower software using a 250 ⁇ 4.6 mm i.d., 5 ⁇ m, Aqua C18 column (Phenomenex, Torrance, Calif.).
  • An HPLC gradient program (see Table 1) resulted in ten sub-sub-fractions, BMBW-M40i-1,2,3,4,A,5,B,6,7 and 8, which were all subjected to the Analgesic Bioassay (Example 1).
  • Fraction i5 was then added to the capsaicin-treated hindpaw, increasing the withdrawal latency period to 18.01, 15.24 and 12.21 seconds at 5 mins, 20 mins and 30 mins post-fraction treatment, respectively; evidencing a strong analgesic effect by Fraction i5.
  • the untreated control hindpaw did not show any significant change in withdrawal time over the same period.
  • Sub-sub-fraction BMBW-M40i-5 ( FIG. 5 ) was tested by both negative and positive ESIMS by direct injection.
  • Samples were dissolved in MeOH and were introduced by a Waters 2690 separations module using an isocratic solvent system of 50:50 MeCN/H 2 O, a flow rate of 0.3 ml/min.
  • the capillary voltage was 10 V
  • the spray voltage was 4.5 kV
  • the tube lens offset was 0 V.
  • the capillary temperature was 230° C.
  • the sheath gas and auxiliary gas were both nitrogen with flow rates of 80 and 30, respectively. Results are shown in FIG. 3 .
  • Sub-sub-fraction BMBW-M40i-5 consisted primarily of negative ESIMS m/z 497.43 and 745.14. Negative ESIMS m/z 745.14, was the primary constituent of BMBW-M40i-B, which had been shown to have no analgesic activity by bioassay with the Analgesic Bioassay (Example 1).
  • the ions with m/z 659.45 (A), 745.19 (B), and 1319.17 (C) by negative ESIMS were selected as parent ions for MS/MS experiments, with results shown in FIG. 4 .
  • MS/MS was also performed on the negative ESIMS parent ion with m/z 497.43 from sub-sub-fraction BMBW-M40i-5, with results shown in FIG. 5 . From this MS/MS analysis, it was apparent that the parent ion m/z 659.45 yields fragments with m/z 497.4, 319.3 and 301.3, whereas the parent ion m/z 479.21 also yields fragments with m/z 319.18 and 301.24.
  • BMBW-M40i-A with its primary constituent with negative ESIMS m/z 659.45, had not exhibited analgesic activity, whereas BMBW-M40i-5 exhibited strong analgesic activity.
  • the difference between negative ESIMS m/z 659.45 and m/z 497.43 is 162.02, suggesting a difference of a hexose glycoside moiety.
  • FIGS. 6 and 7 show the ID 1 H-NMR and 13 C NMR spectra of Compound 660, respectively.
  • FIGS. 8 and 9 show the ID 1 H-NMR and 13 C NMR spectra of Compound 498, respectively.
  • Bioassays of pure Compound 498 and pure Compound 660 were performed according to the Analgesic Bioassay (Example 1) and are summarized in Table 7. TABLE 7 Analgesic Bioassay Results: Compounds 498 and 660 Avg. All Avg. Cap. Avg. Cap. Avg. Cap. Avg. All Avg. Cmpd. Avg. Cmpd. Avg.
  • mice Five animals were tested for the analgesic effect of each compound. Baseline hindpaw withdrawal times were measured (i.e., prior to any treatments), after which capsaicin was administered to one of the two hindpaws of each animal (according to the protocol set forth in Example 1), and then the compound was administered to the capsaicin-treated hindpaw of each animal. As shown in Table 7, for Compound 498, the average baseline withdrawal time was 10.76667 seconds, which decreased to 7.4, 7.9555556 and 5.4 seconds at 20 mins, 25 mins and 30 mins post-capsaicin treatment, respectively; consistent with capsaicin's known hyper-sensitizing effect to pain at the administered dose.
  • Compound 498 was then added to the capsaicin-treated hindpaw, increasing the withdrawal latency period to 13.6, 9.4 and 8.1 seconds at 5 mins, 20 mins and 30 mins post-compound treatment, respectively; evidencing a strong analgesic effect by Compound 498.
  • the untreated control hindpaw did not show any significant change in withdrawal time over the same period.
  • analgesia resulting from the compounds of the present invention was comparable to 0.1 mg/kg of systemic morphine.
  • a mouse air pouch assay was used to determine the therapeutic effectiveness of various extracts/compounds as anti-inflammatory agents in the present invention.
  • mice were injected subcutaneously on the back with 3 ml of air.
  • mice were sacrificed by including CO 2 narcosis, the pouches were flushed with 2 ml of PBS, and exudates were harvested.
  • Compound 660 (Formula IV) was assayed for anti-inflammatory activity according to the Inflammation Bioassay Protocol (Example 5). With the carrageenan injection, five mice received injections of 100 ⁇ L of test solution containing Compound 660, and eleven control mice received injections of 100 ⁇ L of PBS. The exudates were harvested from the air pouches and white blood cells counted, the results of which are set forth in Table 8 (Control) and Table 9 (Compound 660).
  • the average white cell volume (10 6 cells per ml) in aliquots from mice treated with test Compound 660 is 1.54 compared to 2.67 in the control mice, establishing the efficacy of Compound 660 as an anti-inflammatory agent (P-value of 0.05255485).
  • the anti-inflammatory effects of Compound 660 are comparable to 0.5-1.0 mg/kg/week of chronic methotrexate, or 1.5 mg/kg acute dose of dexamethasone.
  • compounds of the present invention may be combined with known therapeutic agents, such as analgesics and/or anti-inflammatories, in pharmaceutical compositions.
  • analgesics include, but are not limited to, NSAIDS such as salicylates, acetaminophen, ibuprofen and COX-2 inhibitors.
  • NSAIDS such as salicylates, acetaminophen, ibuprofen and COX-2 inhibitors.
  • compounds of Formula II may referred to as 14-(beta-D-glucopyranosyloxy)-4-hydroxy-2,6,10,14-tetramethyl-2,6,10,15-hexadecatetraenoic acid; and may be referred to, with respect to certain isomers, as 14-(beta-D-glucopyranosyloxy)-4-hydroxy-2,6,10,14-tetramethyl-2,6,10,15-hexadecatetraenoic acid [4R/S-(2E,4R/S,6E,10E,14R/S)].
  • C-14 has been determined for compounds of Formula II, such that they may be referred to as 14-(beta-D-glucopyranosyloxy)-4-hydroxy-2,6,10,14-tetramethyl-2,6,10,15-hexadecatetraenoic acid [4R/S-(2E,4R/S,6E,10E,14S)].
  • Compounds of Formula IV may be referred to as 14-[(2-O-beta-D-glucopyranosyl-beta-D-glucopyranosyl)oxy]-4-hydroxy-2,6,10,14-tetramethyl-2,6,10,15-hexadecatetraenoic acid; and may be referred to, with respect to certain isomers, as 14-[(2-O-beta-D-glucopyranosyl-beta-D-glucopyranosyl)oxy]-4-hydroxy-2,6,10,14-tetramethyl-2,6,10,15-hexadecatetraenoic acid [4R/S(2E,4R/S,6E,10E,14R/S)].
  • C-14 has been determined for compounds of Formula IV, such that they may be referred to as 14-[(2-O-beta-D-glucopyranosyl-beta-D-glucopyranosyl)oxy]-4-hydroxy-2,6,10,14-tetramethyl-2,6,10,15-hexadecatetraenoic acid [4R/S (2E,4R/S,6E,10E,14S)].

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