US20180104201A1 - Use of structurally enhanced fatty acids containing sulphur for preventing and or treating non alcoholic steatohepatitis - Google Patents

Use of structurally enhanced fatty acids containing sulphur for preventing and or treating non alcoholic steatohepatitis Download PDF

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US20180104201A1
US20180104201A1 US15/567,334 US201615567334A US2018104201A1 US 20180104201 A1 US20180104201 A1 US 20180104201A1 US 201615567334 A US201615567334 A US 201615567334A US 2018104201 A1 US2018104201 A1 US 2018104201A1
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Hilde STEINEGER
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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
    • A61K31/185—Acids; Anhydrides, halides or salts thereof, e.g. sulfur acids, imidic, hydrazonic or hydroximic acids
    • A61K31/19—Carboxylic acids, e.g. valproic acid
    • 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
    • A61K31/185—Acids; Anhydrides, halides or salts thereof, e.g. sulfur acids, imidic, hydrazonic or hydroximic acids
    • A61K31/19—Carboxylic acids, e.g. valproic acid
    • A61K31/20—Carboxylic acids, e.g. valproic acid having a carboxyl group bound to a chain of seven or more carbon atoms, e.g. stearic, palmitic, arachidic acids
    • A61K31/202—Carboxylic acids, e.g. valproic acid having a carboxyl group bound to a chain of seven or more carbon atoms, e.g. stearic, palmitic, arachidic acids having three or more double bonds, e.g. linolenic
    • 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
    • A61K31/045—Hydroxy compounds, e.g. alcohols; Salts thereof, e.g. alcoholates
    • A61K31/05—Phenols
    • 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
    • A61K31/075—Ethers or acetals
    • A61K31/085—Ethers or acetals having an ether linkage to aromatic ring nuclear carbon
    • 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
    • A61K31/21—Esters, e.g. nitroglycerine, selenocyanates
    • A61K31/215—Esters, e.g. nitroglycerine, selenocyanates of carboxylic acids
    • A61K31/22—Esters, e.g. nitroglycerine, selenocyanates of carboxylic acids of acyclic acids, e.g. pravastatin
    • 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
    • A61K31/21—Esters, e.g. nitroglycerine, selenocyanates
    • A61K31/265—Esters, e.g. nitroglycerine, selenocyanates of carbonic, thiocarbonic, or thiocarboxylic acids, e.g. thioacetic acid, xanthogenic acid, trithiocarbonic acid
    • 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
    • A61K31/33—Heterocyclic compounds
    • A61K31/335—Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin
    • A61K31/35—Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin having six-membered rings with one oxygen as the only ring hetero atom
    • A61K31/352—Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin having six-membered rings with one oxygen as the only ring hetero atom condensed with carbocyclic rings, e.g. methantheline 
    • A61K31/353—3,4-Dihydrobenzopyrans, e.g. chroman, catechin
    • A61K31/355—Tocopherols, e.g. vitamin E
    • 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
    • A61P1/00—Drugs for disorders of the alimentary tract or the digestive system
    • A61P1/16—Drugs for disorders of the alimentary tract or the digestive system for liver or gallbladder disorders, e.g. hepatoprotective agents, cholagogues, litholytics

Definitions

  • the present disclosure relates to a method of preventing and/or treating non-alcoholic steatohepatitis in a subject in need thereof, comprising administering to the subject a pharmaceutically effective amount of a compound of Formula (II):
  • R 1 is selected from a C 10 -C 22 alkenyl having 3-6 double bonds
  • R 2 and R 3 are the same or different and may be selected from a group of substituents consisting of a hydrogen atom, a hydroxy group, an alkyl group, a halogen atom, an alkoxy group, an acyloxy group, an acyl group, an alkenyl group, an alkynyl group, an aryl group, an alkylthio group, an alkoxycarbonyl group, a carboxy group, an alkylsulfinyl group, an alkylsulfonyl group, an amino group, and an alkylamino group, provided that R 2 and R 3 cannot both be a hydrogen atom; or R 2 and R 3 can be connected in order to form a cycloalkane like cyclopropane, cyclobutane, cyclopentane or cyclohexane; Y is selected from sulphur, s
  • the present disclosure relates to a method of preventing and/or treating non-alcoholic steatohepatitis in a subject in need thereof, comprising administering to the subject a pharmaceutically effective amount of a compound of Formula (I):
  • R 2 and R 3 are independently chosen from the group of a hydrogen atom and linear, branched, and/or cyclic C 1 -C 6 alkyl groups, with the proviso that R 2 and R 3 are not both hydrogen;
  • X represents a carboxylic acid or a derivative thereof, wherein the derivative is a carboxylic ester, a glyceride, a carboxamide or a phospholipid; or a pharmaceutically acceptable salt, solvate, or solvate of such a salt.
  • the present invention discloses compounds of the formulas (I) and (II) for therapeutic and/or prophylactic treatment of non-alcoholic steatohepatitis.
  • Dietary polyunsaturated fatty acids including omega-3 fatty acids, have effects on diverse physiological processes impacting normal health and chronic diseases, such as the regulation of plasma lipid levels, cardiovascular and immune functions, insulin action, neuronal development, and visual function.
  • Omega-3 fatty acids e.g. (5Z,8Z,11Z,14Z,17Z)-icosa-5,8,11,14,17-pentaenoic acid (EPA) and (4Z,7Z,10Z,13Z,16Z,19Z)-docosa-4,7,10,13,16,19-hexaenoic acid (DHA), regulate plasma lipid levels, cardiovascular and immune functions, insulin action, and neuronal development, and visual function. Omega-3 fatty acids have been shown to have beneficial effects on the risk factors for cardiovascular diseases, for example hypertension and hypertriglyceridemia (HTG).
  • HOG hypertension and hypertriglyceridemia
  • omega-3 compounds such as EPA and DHA to treat non-alcoholic steatohepatitis (NASH) have been suggested in the prior art.
  • WO 2014/057522 of Mochida relates to compositions comprising ethyl icosapentate for use in treatment or alleviation of symptoms of NASH.
  • Non-alcoholic fatty liver disease and non-alcoholic steatohepatitis (NASH) are frequently used interchangeably despite the fact that NAFLD encompasses a much broader spectrum of liver disease including simple hepatosteatosis (>5% of hepatocytes histologically). Hepatosteatosis is most likely a relatively benign disorder when not accompanied by an inflammatory response and cellular damage.
  • NAFLD nonalcoholic steatohepatitis
  • NASH nonalcoholic steatohepatitis
  • NASH hepatocellular carcinoma
  • omega-3 fatty acids are sufficiently potent to treat and/or reverse NASH where pronounced histological/inflammatory changes have developed (Sanyal A J, et al; EPE-A Study Group, Gastroenterology. 2014 August; 147(2):377-84.e1. doi: 10.1053/j.gastro.2014.04.046. Epub 2014 May 9).
  • omega-3 fatty acids in the treatment of NASH may be secondary to their mild effects upon other pathways that underlie the pathogenesis of NASH.
  • Research in both humans and animal models of NASH have convincingly demonstrated that there are multiple factors involved in the development of steatohepatitis as opposed to isolated hepatosteatosis. These include insulin resistance, oxidative stress, inflammation, gut-derived endotoxin and excessive hepatic cholesterol and bile acids. All these factors have been shown to play important contributing factors in genetically susceptible individuals and drugs targeting these pathways are being developed for the treatment of NASH.
  • FXR farnesoid X receptor
  • Increased hepatocellular cholesterol concentrations can also lead to cholesterol crystal accumulation and cell-death with resultant foam cell formation.
  • Increased oxidized cholesterol (plasma derived or formed in situ) can also incite a hepatic inflammatory reaction and the development of NASH.
  • Treatments aimed at reducing hepatic cholesterol levels are an attractive target in the prevention and treatment of NASH by both limiting the substrate for both crystal formation and oxidation, but also by decreasing substrate availability for hepatic bile acid synthesis.
  • the advantage of this upstream approach is in addition to tackling key inflammatory inducing components associated with NASH, beneficial effects should also be seen upon atherogenic plasma lipids that frequently accompany the hepatic disease.
  • WO2010/008299 discloses that structurally enhanced fatty acids including 2-ethyl-2-((5Z,8Z,11Z,14Z,17Z)-icosa-5,8,11,14,17-pentaenylthio)butanoic acid and its derivatives favorably influences lipid profiles, i.a. by lowering plasma triglycerides, plasma cholesterol, plasma insulinetc. Those results demonstrate that 2-ethyl-2-((5Z,8Z,11Z,14Z,17Z)-icosa-5,8,11,14,17-pentaenylthio)butanoic acid and its derivatives may be useful in prevention or treatment of various conditions.
  • the present disclosure relates to a method of preventing and/or treating non-alcoholic steatohepatitis in a subject in need thereof, comprising administering to the subject a pharmaceutically effective amount of a compound of Formula (II):
  • R 1 is selected from a C 10 -C 22 alkenyl having 3-6 double bonds
  • R 2 and R 3 are the same or different and may be selected from a group of substituents consisting of a hydrogen atom, a hydroxy group, an alkyl group, a halogen atom, an alkoxy group, an acyloxy group, an acyl group, an alkenyl group, an alkynyl group, an aryl group, an alkylthio group, an alkoxycarbonyl group, a carboxy group, an alkylsulfinyl group, an alkylsulfonyl group, an amino group, and an alkylamino group, provided that R 2 and R 3 cannot both be a hydrogen atom; or R 2 and R 3 can be connected in order to form a cycloalkane like cyclopropane, cyclobutane, cyclopentane or cyclohexane; Y is selected from sulphur, s
  • An equal aspect of the disclosure relates to use of a pharmaceutically effective amount of a compound of Formula (II):
  • R 1 is selected from a C 10 -C 22 alkenyl having 3-6 double bonds
  • R 2 and R 3 are the same or different and may be selected from a group of substituents consisting of a hydrogen atom, a hydroxy group, an alkyl group, a halogen atom, an alkoxy group, an acyloxy group, an acyl group, an alkenyl group, an alkynyl group, an aryl group, an alkylthio group, an alkoxycarbonyl group, a carboxy group, an alkylsulfinyl group, an alkylsulfonyl group, an amino group, and an alkylamino group, provided that R 2 and R 3 cannot both be a hydrogen atom; or R 2 and R 3 can be connected in order to form a cycloalkane like cyclopropane, cyclobutane, cyclopentane or cyclohexane; Y is selected from sulphur, s
  • R 1 is selected from a C 10 -C 22 alkenyl having 3-6 double bonds
  • R 2 and R 3 are the same or different and may be selected from a group of substituents consisting of a hydrogen atom, a hydroxy group, an alkyl group, a halogen atom, an alkoxy group, an acyloxy group, an acyl group, an alkenyl group, an alkynyl group, an aryl group, an alkylthio group, an alkoxycarbonyl group, a carboxy group, an alkylsulfinyl group, an alkylsulfonyl group, an amino group, and an alkylamino group, provided that R 2 and R 3 cannot both be a hydrogen atom; or R 2 and R 3 can be connected in order to form a cycloalkane like cyclopropane, cyclobutane, cyclopentane or cyclohexane; Y is selected from sulphur, s
  • R 2 and R 3 are the same or different and may be selected from a group of substituents consisting of a hydrogen atom, an alkyl group, an alkoxy group, an alkenyl group; or R 2 and R 3 can be connected in order to form a cycloalkane like cyclopropane, cyclobutane, cyclopentane or cyclohexane; Y is selected from sulphur; X represents a carboxylic acid or a derivative thereof, wherein the derivative is a carboxylic ester, a glyceride or a phospholipid; or a pharmaceutically acceptable salt, solvate, or solvate of such a salt.
  • the present disclosure relates to a method of preventing and/or treating non-alcoholic steatohepatitis in a subject in need thereof, comprising administering to the subject a pharmaceutically effective amount of a compound of Formula (I):
  • R 2 and R 3 and X are defined as for Formula (II) and preferably wherein R 2 and R 3 are independently chosen from the group of a hydrogen atom and linear, branched, and/or cyclic C 1 -C 6 alkyl groups, with the proviso that R 2 and R 3 are not both hydrogen; and X is a carboxylic acid or a derivative thereof, wherein the derivative is a carboxylic ester, a glyceride, or a phospholipid; or a pharmaceutically acceptable salt, solvate, or solvate of such a salt.
  • the present disclosure relates to use of a pharmaceutically effective amount of a compound of Formula (I):
  • R 2 and R 3 and X are defined as for Formula (II) and preferably wherein R 2 and R 3 are independently chosen from the group of a hydrogen atom and linear, branched, and/or cyclic C 1 -C 6 alkyl groups, with the proviso that R 2 and R 3 are not both hydrogen; and X is a carboxylic acid or a derivative thereof, wherein the derivative is a carboxylic ester, a glyceride or a phospholipid; or a pharmaceutically acceptable salt, solvate, or solvate of such salt thereof, in the manufacture of a medicament for preventing and/or treating non-alcoholic steatohepatitis in a subject in need thereof.
  • R 2 and R 3 and X are defined as for Formula (II) and preferably wherein R 2 and R 3 are independently chosen from the group of a hydrogen atom and linear, branched, and/or cyclic C 1 -C 6 alkyl groups, with the proviso that R 2 and R 3 are not both hydrogen;
  • X is a carboxylic acid or a derivative thereof, wherein the derivative is a carboxylic ester, a glyceride or a phospholipid; or a pharmaceutically acceptable salt, solvate, or solvate of such a salt, for preventing and/or treating non-alcoholic steatohepatitis.
  • X when X is a glyceride, this may be chosen from the group of a triglyceride, a 1,2-diglyceride, a 1,3-diglyceride, a 1-monoglyceride and a 2-monoglyceride.
  • the present disclosure also includes a method of treating and/or preventing non-alcoholic steatohepatitis in a subject in need thereof, the method comprising administering to the subject a pharmaceutically effective amount of 2-ethyl-2-((5Z,8Z,11Z,14Z,17Z)-icosa-5,8,11,14,17-pentaenylthio)butanoic acid:
  • the present disclosure also includes use of a pharmaceutically effective amount of 2-ethyl-2-((5Z,8Z,11Z,14Z,17Z)-icosa-5,8,11,14,17-pentaenylthio)butanoic acid (compound N) or a pharmaceutically acceptable salt or ester thereof in the manufacture of a medicament for treating and/or preventing non-alcoholic steatohepatitis in a subject in need thereof.
  • the present disclosure also relates to 2-ethyl-2-((5Z,8Z,11Z,14Z,17Z)-icosa-5,8,11,14,17-pentaenylthio)butanoic acid (Compound N) or a pharmaceutically acceptable salt or ester thereof, for preventing and/or treating non-alcoholic steatohepatitis.
  • FIG. 1 discloses the effects of Compound N on hepatic cholesterol.
  • FIG. 2 discloses the effects of Compound N on hepatic inflammation.
  • FIG. 3 discloses the effects of Compound N on macrovesicular steatosis.
  • FIG. 4 discloses the effects of Compound N on fecal bile acid content.
  • FIG. 5 discloses the effects of Compound N on hepatic fibrosis (collagen content).
  • FIG. 6 discloses the effects of Compound N on total plasma cholesterol.
  • embodiments and features described in the context of one aspect of the present disclosure also apply to the other aspects of the invention.
  • the embodiments applying to the method of preventing and/or treating non-alcoholic steatohepatitis according to the present disclosure also apply to the use of a pharmaceutical effective amount of a compound in the manufacture of a medicament for preventing and/or treating non-alcoholic steatohepatitis and likewise to the aspect of a compound for preventing and/or treating non-alcoholic steatohepatitis, all according to the present disclosure.
  • treat include any therapeutic application that can benefit a human or non-human mammal. Both human and veterinary treatments are within the scope of the present disclosure. Treatment may be responsive to an existing condition or it may be prophylactic, i.e., preventative.
  • administer refers to (1) providing, giving, dosing and/or prescribing by either a health practitioner or his authorized agent or under his direction a compound or composition according to the present disclosure, and (2) putting into, taking or consuming by the human patient or person himself or herself, or non-human mammal a compound or composition according to the present disclosure.
  • preventing and/or treating and “therapeutic and/or prophylactic treatment of” may interchangeably be used.
  • the compounds of Formula (I) will be used for treating, i.e. therapeutic treatment of, NASH.
  • the compound of Formula (I) will be used for preventing or for prophylactic treatment of NASH, for example in cases where a patient have a family history of developing NASH.
  • pharmaceutically effective amount means an amount sufficient to achieve the desired pharmacological and/or therapeutic effects, i.e., an amount of the disclosed compound that is effective for its intended purpose. While individual subject/patient needs may vary, the determination of optimal ranges for effective amounts of the disclosed compound is within the skill of the art. Generally, the dosage regimen for treating a disease and/or condition with the compounds presently disclosed may be determined according to a variety of factors such as the type, age, weight, sex, diet, and/or medical condition of the subject/patient.
  • composition means a compound according to the present disclosure in any form suitable for medical use.
  • the compounds of Formula (I) and (II) may exist in various stereoisomeric forms, including enantiomers, diastereomers, or mixtures thereof. It will be understood that the invention encompasses all optical isomers of the compounds of Formula (I) and (II) as well as mixtures thereof. Hence, compounds of Formula (I) and (II) that exist as diastereomers, racemates, and/or enantiomers are within the scope of the present disclosure.
  • the present disclosure relates to a method of preventing and/or treating non-alcoholic steatohepatitis in a subject in need thereof, comprising administering to the subject a pharmaceutically effective amount of a compound of Formula (I):
  • R 2 and R 3 are independently chosen from the group of a hydrogen atom and linear, branched, and/or cyclic C 1 -C 6 alkyl groups, with the proviso that R 2 and R 3 are not both hydrogen;
  • X represents a carboxylic acid or a carboxylic ester; or a pharmaceutically acceptable salt, solvate, solvate of such a salt.
  • the present disclosure relates to use of a pharmaceutically effective amount of a compound of Formula (I):
  • R 2 and R 3 are independently chosen from the group of a hydrogen atom and linear, branched, and/or cyclic C 1 -C 6 alkyl groups, with the proviso that R 2 and R 3 are not both hydrogen;
  • X represents a carboxylic acid or a carboxylic ester; or a pharmaceutically acceptable salt, solvate, solvate of such a salt, for preventing and/or treating non-alcoholic steatohepatitis in a subject in need thereof.
  • the present disclosure relates to a compound of Formula (I):
  • R 2 and R 3 are independently chosen from the group of a hydrogen atom and linear, branched, and/or cyclic C 1 -C 6 alkyl groups, with the proviso that R 2 and R 3 are not both hydrogen;
  • X is a carboxylic acid or a carboxylic ester; or a pharmaceutically acceptable salt, solvate, or solvate of such a salt, for preventing and/or treating non-alcoholic steatohepatitis.
  • R 2 and R 3 are independently chosen from a hydrogen atom, a methyl group, an ethyl group, a n-propyl group, and an isopropyl group.
  • R 2 and R 3 are chosen from a hydrogen atom, a methyl group, and an ethyl group.
  • one of R 2 and R 3 is a hydrogen atom and the other one of R 2 and R 3 is chosen from a C 1 -C 3 alkyl group. In one embodiment, one of R 2 and R 3 is a hydrogen atom and the other one of R 2 and R 3 is chosen from a methyl group or an ethyl group.
  • R 2 and R 3 are independently C 1 -C 6 alkyl groups. In one embodiment both R 2 and R 3 are C 1 -C 3 alkyl groups. In one embodiment R 2 and R 3 are the same or different and each are independently chosen from a methyl group, an ethyl group, an n-propyl group, or an isopropyl group. In one embodiment R 2 and R3 are the same and are selected from a pair of methyl groups, a pair of ethyl groups, a pair of n-propyl groups and a pair of isopropyl groups. In at least one preferred embodiment R2 and R3 are ethyl groups.
  • one of R2 and R3 is a methyl group and the other one is an ethyl group. In one embodiment, one of R2 and R3 is an ethyl group and the other one is a n-propyl group.
  • X is a carboxylic acid.
  • this is a C 1 -C 6 alkyl ester. This may be chosen from a methyl ester, an ethyl ester, an isopropyl ester, a n-butyl ester and a tert-butyl ester.
  • the ester is selected from a methyl ester and an ethyl ester.
  • the compound may be present in its various stereoisomeric forms, such as an enantiomer (R or S), diastereomer, or mixtures thereof.
  • the compound is present in racemic form. In one embodiment, the compound is present in its R form. In another embodiment, the compound is present in its S form.
  • the compound according to Formula (I) is a salt of a counter-ion with at least one stereogenic center, or ester of an alcohol with at least one stereogenic center
  • the compound may have multiple stereocenters.
  • the compounds of the present disclosure may exist as diastereomers.
  • the compounds of the present disclosure are present as at least one diastereomer.
  • the compound of the present disclosure is 2-ethyl-2-((5Z,8Z,11Z,14Z,17Z)-icosa-5,8,11,14,17-pentaenylthio)butanoic acid:
  • Examples 1-13 are exemplary and one skilled in the art would understand how to apply these general methods to arrive at other compounds within the scope of Formula (I).
  • Compounds of the present disclosure may be in the form of a pharmaceutically acceptable salt or ester.
  • the compounds of Formula (I) may be in the form of esters, such as a phospholipid, a glyceride or a C 1 -C 6 -alkyl ester.
  • the ester is chosen from a glyceride or a C 1 -C 6 -alkyl ester.
  • the ester is chosen from a triglyceride, a 1,2-diglyceride, a 1,3-diglyceride, a 1-monoglyceride, a 2-monoglyceride, a methyl ester, an ethyl ester, a propyl ester, a isopropyl ester, a n-butyl ester and a tert-butyl ester.
  • the compound of Formula (I) is present as a methyl ester, an ethyl ester, an isopropyl ester, a n-butyl ester or a tert-butyl ester, for example as a methyl ester or an ethyl ester.
  • esters represented by Formula (I) e.g., ethyl esters
  • Salts suitable for the present disclosure include, but are not limited to, salts of NH 4+ ; metal ions such as Li + , Na + , K + , Mg 2+ , or Ca 2+ ; a protonated primary amine such as tert-butyl ammonium, (3S,5S,7S)-adamantan-1-ammonium, 1,3-dihydroxy-2-(hydroxymethyl)propan-2-ammonium, a protonated aminopyridine (e.g., pyridine-2-ammonium); a protonated secondary amine such as diethylammonium, 2,3,4,5,6-pentahydroxy-N-methylhexan-1-ammonium, N-ethylnaphthalen-1-ammonium, a protonated tertiary amine such as 4-methylmorpholin-4-ium, a protonated quaternary amine such as 2-hydroxy-N,N,N-trimethylethan-1-aminium and a protonated
  • the salts are chosen from a sodium salt, a calcium salt, and a choline salt.
  • the salt is a sodium salt or a calcium salt.
  • the present disclosure provides for a method of preventing or treating NASH in a subject in need thereof, comprising administering to the subject a pharmaceutically effective amount of a compound of Formula (I).
  • the subject may be a human or a non-human mammal.
  • the compounds presently disclosed may be administered as a medicament, such as in a pharmaceutical composition.
  • another aspect of the invention is a composition, such as a pharmaceutical composition, comprising a compound of Formula (I) for preventing and/or treating non-alcoholic steatohepatitis.
  • composition presently disclosed may comprise at least one compound of Formula (I) and optionally at least one non-active pharmaceutical ingredient, i.e., excipient.
  • Non-active ingredients may solubilize, suspend, thicken, dilute, emulsify, stabilize, preserve, protect, color, flavor, and/or fashion active ingredients into an applicable and efficacious preparation, such that it may be safe, convenient, and/or otherwise acceptable for use.
  • excipients include, but are not limited to, solvents, carriers, diluents, binders, fillers, sweeteners, aromas, pH modifiers, viscosity modifiers, antioxidants, extenders, humectants, disintegrating agents, solution-retarding agents, absorption accelerators, wetting agents, absorbents, lubricants, coloring agents, dispersing agents, and preservatives.
  • Excipients may have more than one role or function, or may be classified in more than one group; classifications are descriptive only and are not intended to be limiting.
  • the at least one excipient may be chosen from corn starch, lactose, glucose, microcrystalline cellulose, magnesium stearate, polyvinylpyrrolidone, citric acid, tartaric acid, water, ethanol, glycerol, sorbitol, polyethylene glycol, propylene glycol, cetylstearyl alcohol, carboxymethylcellulose, and fatty substances such as hard fat or suitable mixtures thereof.
  • compositions presently disclosed comprise at least one compound of Formula (I) and at least one pharmaceutically acceptable antioxidant, e.g., tocopherol such as alpha-tocopherol, beta-tocopherol, gamma-tocopherol, and delta-tocopherol, or mixtures thereof, BHA such as 2-tert-butyl-4-hydroxyanisole and 3-tert-butyl-4-hydroxyanisole, or mixtures thereof and BHT (3,5-di-tert-butyl-4-hydroxytoluene), or mixtures thereof.
  • tocopherol such as alpha-tocopherol, beta-tocopherol, gamma-tocopherol, and delta-tocopherol, or mixtures thereof
  • BHA such as 2-tert-butyl-4-hydroxyanisole and 3-tert-butyl-4-hydroxyanisole, or mixtures thereof
  • BHT 3,5-di-tert-butyl-4-hydroxytoluene
  • compositions presently disclosed may be formulated in oral administration forms, e.g., tablets or gelatin soft or hard capsules.
  • the dosage form can be of any shape suitable for oral administration, such as spherical, oval, ellipsoidal, cube-shaped, regular, and/or irregular shaped.
  • Conventional formulation techniques known in the art may be used to formulate the compounds according to the present disclosure.
  • the composition may be in the form of a gelatin capsule or a tablet.
  • a suitable daily dosage of a compound of Formula (I) may range from about 5 mg to about 2 g.
  • the daily dose ranges from about 10 mg to about 1.5 g, from about 50 mg to about 1 g, from about 100 mg to about 1 g, from about 150 mg to about 900 mg, from about 50 mg to about 800 mg, from about 100 mg to about 800 mg, from about 100 mg to about 600 mg, from about 150 to about 550 mg, or from about 200 to about 500 mg.
  • the daily dose ranges from about 200 mg to about 600 mg.
  • the daily dose is about 50 mg, about 100 mg, about 200 mg, about 300 mg, about 400 mg, about 500 mg, about 600 mg, about 700 mg, about 800 mg, or about 900 mg.
  • the compound(s) may be administered, for example, once, twice, or three times per day.
  • the compound of Formula (I) is administered in an amount ranging from about 200 mg to about 800 mg per dose.
  • the compound of Formula (I) is administered once per day.
  • compounds of Formula (I) such as 2-ethyl-2-((5Z,8Z,11Z,14Z,17Z)-icosa-5,8,11,14,17-pentaenylthio)butanoic acid, have remarkably good pharmaceutical activity.
  • compounds of Formula (I) presently disclosed exhibit improved biological activity compared to naturally occurring omega-3 fatty acids, such as EPA and DHA for preventing and/or treating NASH.
  • R 2 and R 3 are independently selected from the group of a hydrogen atom and linear, branched, and/or cyclic C 1 -C 6 alkyl groups, with the proviso that R 2 and R 3 are not both hydrogen;
  • X is a carboxylic acid or a derivative thereof, wherein the derivative is a carboxylic ester, a glyceride, or a phospholipid; or a pharmaceutically acceptable salt, solvate, or solvate of such a salt. More specifically R 2 and R 3 are independently chosen from a hydrogen atom, a methyl group, an ethyl group, a n-propyl group, and an isopropyl group.
  • R 2 and R 3 are independently C 1 -C 6 alkyl groups, such as R 2 and R 3 are the same or different and each are independently chosen from a methyl group, an ethyl group, an n-propyl group, or an isopropyl group. Preferably R 2 and R 3 are both ethyl groups.
  • X is a carboxylic acid.
  • X is a carboxylic ester, such as a C 1 -C 6 alkyl ester, such as chosen from a methyl ester, an ethyl ester, an isopropyl ester, a n-butyl ester, and a tert-butyl ester, such as chosen from methyl ester and an ethyl ester.
  • the method above, wherein the glyceride is chosen from a triglyceride, a 1,2-diglyceride, a 1,3-diglyceride, a 1-monoglyceride, and 2-monoglyceride.
  • the compound is present in the form of an enantiomer, diastereomer, or mixture thereof.
  • the invention provides a method as above, wherein R 2 and R 3 are ethyl groups and X is a carboxylic acid.
  • the pharmaceutically effective amount of the compound of Formula (I) ranges from about 5 mg to about 2 g per dose, such as from about 200 mg to about 800 mg per dose, such as about 600 mg.
  • the subject is a human.
  • the compound is preferably administered daily, such as once daily.
  • the method as disclosed wherein the compound is formulated as a pharmaceutical composition for oral administration, such as in the form of a gelatin capsule or a tablet.
  • the pharmaceutical composition may further comprise at least one binder, excipient, diluent, or any combinations thereof.
  • the pharmaceutical composition further comprises an antioxidant, such as chosen from tocopherol, BHA, and BHT, or a mixture thereof.
  • R 2 and R 3 are independently selected from the group of a hydrogen atom and linear, branched, and/or cyclic C 1 -C 6 alkyl groups, with the proviso that R 2 and R 3 are not both hydrogen;
  • X is a carboxylic acid or a derivative thereof, wherein the derivative is a carboxylic ester, a glyceride or a phospholipid; or a pharmaceutically acceptable salt, solvate, or solvate of such a salt, in the manufacture of a medicament for preventing and/or treating non-alcoholic steatohepatitis in a subject in need thereof.
  • the pharmaceutically-effective amount ranges from about 200 mg to about 800 mg per dose.
  • 2-ethyl-2-((5Z,8Z,11Z,14Z,17Z)-icosa-5,8,11,14,17-pentaenylthio)butanoic acid is administered once daily.
  • Nuclear magnetic resonance (NMR) shift values were recorded on a Bruker Avance DPX 200 or 300 instrument with peak multiplicities described as follows: s, singlet; d, doublet; dd, double doublet; t, triplet; q, quartet; p, pentet; m, multiplett; br, broad.
  • the mass spectra were recorded with a LC/MS spectrometer. Separation was performed using a Agilent 1100 series module on a Eclipse XDB-C18 2.1 ⁇ 150 mm column with gradient elution. As eluent were used a gradient of 5-95% acetonitrile in buffers containing 0.01% trifluoroacetic acid or 0.005% sodium formate.
  • the mass spectra were recorded with a GI956A mass spectrometer (electrospray, 3000 V) switching positive and negative ionization mode. Reported yields are illustrative and do not necessarily represent the maximum yield attainable.
  • Triphenylphosphine (21.0 g, 80 mmol) was dissolved in dry THF (170 mL) at 0° C. under inert atmosphere and added DIAD (15.8 mL, 80 mmol) dropwise. After 40 minutes at 0° C. the white suspension was added dropwise to a solution of (5Z,8Z,11Z,14Z,17Z)-icosa-5,8,11,14,17-pentaen-1-ol (11.5 g, 40 mmol) and thioacetic acid (5.7 mL, 80 mmol) in dry THF (50 mL) during 15 minutes. The resulting turbid mixture was stirred at 0° C. for 30 minutes, followed by ambient temperature for 1.5 hour.
  • Example 12 Preparation of ethyl 1-((5Z,8Z,11Z,14Z,17Z)-icosa-5,8,11,14,17-pentaenylthio)cyclobutanecarboxylate
  • the APOE*3Leiden.CETP double transgenic mouse is expressing a variant of the human apolipoprotein E3 (APOE3), the APOE*3Leiden, in addition to the human apolipoprotein C1 (APOC1) and CETP.
  • APOE*3Leiden.CETP double transgenic mice exhibit elevated plasma cholesterol and triglyceride levels, mainly confined to the VLDL/LDL sized lipoprotein fraction. By increasing the cholesterol content of the diet in this model, all the characteristics of human NASH develop.
  • mice were placed on a high fat diet (24% fat w/w) with varying cholesterol content (0.25-1% cholesterol w/w).
  • cholesterol content (0.25-1% cholesterol w/w).
  • the mice received a daily gavage between 07 hr00 and 10 hr00 with either Compound N, Reference A or control (corn oil).
  • Compound N administered to ApoE*3L-CETP mice induced a significant (p ⁇ 0.001) reduction in the number of inflammatory foci by approximately 85%, leading to a significant reduction in the total inflammation score.
  • Reference A induced a milder reduction in inflammatory foci (p ⁇ 0.01).
  • Compound N has a significantly better effect upon hepatic inflammation than Reference A (p ⁇ 0.01).
  • the effects of Compound N on hepatic inflammation are shown in Table 2 and FIG. 2 .
  • Compound N administered to ApoE*3L-CETP double transgenic mice showed a significant (p ⁇ 0.005) 30% reduction in hepatic collagen content compared to control animals.
  • the effects of Compound N on hepatic fibrosis are shown in Table 5 and FIG. 5 .
  • Compound N administered to ApoE*3L-CETP double transgenic mice demonstrated a 52% reduction in total plasma cholesterol after 4 weeks versus control (p ⁇ 0.001).
  • Plasma HDL cholesterol values were adoubled (p ⁇ 0.001, data not shown), underlying the fact that the reduction in plasma cholesterol was specific to the atherogenic apoB particle associated cholesterol fraction.
  • the effects of Compound N on total plasma cholesterol are shown in Table 6 and FIG. 6 .

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