WO2008090198A1 - Use of mtp inhibitors for increasing levels of satiety hormones - Google Patents

Use of mtp inhibitors for increasing levels of satiety hormones Download PDF

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WO2008090198A1
WO2008090198A1 PCT/EP2008/050814 EP2008050814W WO2008090198A1 WO 2008090198 A1 WO2008090198 A1 WO 2008090198A1 EP 2008050814 W EP2008050814 W EP 2008050814W WO 2008090198 A1 WO2008090198 A1 WO 2008090198A1
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cck
phenyl
satiety
levels
trifluoromethyl
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PCT/EP2008/050814
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French (fr)
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Peter John King
Brian Joel Hrupka
Herman Karel Borghys
Monique Jenny Marie Berwaer
Peter Walter Maria Roevens
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Janssen Pharmaceutica Nv
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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
    • A61K31/21—Esters, e.g. nitroglycerine, selenocyanates
    • 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
    • A61K31/216—Esters, e.g. nitroglycerine, selenocyanates of carboxylic acids of acids having aromatic rings, e.g. benactizyne, clofibrate
    • 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
    • A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/40—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with one nitrogen as the only ring hetero atom, e.g. sulpiride, succinimide, tolmetin, buflomedil
    • A61K31/403—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with one nitrogen as the only ring hetero atom, e.g. sulpiride, succinimide, tolmetin, buflomedil condensed with carbocyclic rings, e.g. carbazole
    • A61K31/404—Indoles, e.g. pindolol
    • A61K31/4045—Indole-alkylamines; Amides thereof, e.g. serotonin, melatonin
    • 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
    • A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/41—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with two or more ring hetero atoms, at least one of which being nitrogen, e.g. tetrazole
    • A61K31/415—1,2-Diazoles
    • A61K31/4155—1,2-Diazoles non condensed and containing further heterocyclic rings
    • 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
    • A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/435—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
    • A61K31/44—Non condensed pyridines; Hydrogenated derivatives thereof
    • A61K31/445—Non condensed piperidines, e.g. piperocaine
    • 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
    • A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/435—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
    • A61K31/44—Non condensed pyridines; Hydrogenated derivatives thereof
    • A61K31/445—Non condensed piperidines, e.g. piperocaine
    • A61K31/4468—Non condensed piperidines, e.g. piperocaine having a nitrogen directly attached in position 4, e.g. clebopride, fentanyl
    • 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
    • A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/495—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with two or more nitrogen atoms as the only ring heteroatoms, e.g. piperazine or tetrazines
    • A61K31/496—Non-condensed piperazines containing further heterocyclic rings, e.g. rifampin, thiothixene or sparfloxacin
    • 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

  • the present invention relates to the use of inhibitors of microsomal triglyceride transfer protein (MTP) for increasing plasma levels of the satiety hormones such as GLP-1 , PYY and CCK.
  • MTP microsomal triglyceride transfer protein
  • Microsomal triglyceride transfer protein (hereinafter referred to as MTP) is known to catalyze the transport of triglyceride, cholesteryl ester and phospholipids such as phosphatidylcholine. This indicates that MTP is required for the synthesis of Apo B-containing lipoproteins such as chylomicrons and VLDL, the precursor to LDL. It therefore follows that an MTP inhibitor would inhibit the synthesis of VLDL and chylomicrons, thereby lowering levels of VLDL, LDL, cholesterol and triglyceride in humans.
  • MTP Microsomal triglyceride transfer protein
  • Compounds capable of inhibiting MTP are believed to be useful in the treatment of disorders such as obesity, hyperlipidemia, hypercholesterolemia, hypertriglyceridemia, class Il diabetes, atherosclerosis and for the reduction of postprandial serum triglyceride plasma levels.
  • Satiety hormones are hormones released from the gastrointestinal tract in response to changes in the nutritional state. These hormones influence central mechanisms involved in the regulation of energy balance, through a range of bloodborne and neural pathways.
  • Glucagon-like peptide 1 is an intestinal hormone which generally stimulates insulin secretion during hyperglycemia, suppresses glucagon secretion, stimulates (pro) insulin biosynthesis and decelerates gastric emptying and acid secretion.
  • GLP-1 is secreted from L cells in the small and large bowel following the ingestion of fat and proteins. GLP-1 has been implicated as a possible therapeutic agent for the management of type 2 non-insulin-dependent diabetes mellitus as well as related metabolic disorders, such as obesity.
  • Pancreatic polypeptide (“PP") was discovered as a contaminant of insulin extracts and was named by its organ of origin rather than functional importance.
  • a related peptide was subsequently discovered in extracts of intestine and named Peptide YY ("PYY") because of the N- and C-terminated tyrosines (Tatemoto, Proc. Natl. Acad. Sci. USA, 79 : 2514 -2518 (1982)).
  • PYY is secreted from the endocrine L cells of the small and large bowel, with high concentration at the terminal ileum, colon and maximum concentration in the rectum. Plasma PYY levels are suppressed in the fasted state and increase within 30 minutes of nutrients reaching the gut.
  • PYY release is stimulated by nutrient intake in proportion to energy content. It is particularly stimulated by fat intake, compared to carbohydrate and protein meals with a similar calorie content. Recent studies suggest that PYY can induce appetite reduction.
  • CCK Cholecystokinin is structurally related to gastrin and exists in several molecular forms with differing numbers of amino acids - examples include CCK-8, CCK-33, CCk-39 and CCK-54.
  • CCK is an endogenous gut hormone found mainly within the duodenum and jejunum and is released following the consumption of food. Release of CCK has been shown to be a satiety signal in humans.
  • CCK releasing protein CCKRP
  • CCKRP stimulates CCK release from the intestinal cells. It has been shown that CCK release results in appetite reduction so that the person will stop eating.
  • CCK satiety hormone
  • An increase in the level of the satiety hormone CCK extends the feeling of satiety, resulting in a decrease of food intake which over time results in a decrease in body weight while providing better regulation of glucose and insulin levels following consumption of a meal.
  • the release of CCK also causes a delay in stomach emptying which blunts the post-prandial rise in glucose and insulin.
  • Most persons with Type Il diabetes are obese and have an inability to respond normally to insulin.
  • An increase in CCK levels may permit Type Il diabetics to be satiated with a lower caloric intake and may offer a better degree of glycemic control.
  • Bulimia is an eating disorder characterised by an inability to become satiated by food. As a result bulimics tend to binge on food and regurgitate it to prevent weight gain. Studies have shown that bulimics have a defect in their normal satiety mechanism. Hence an increase of the satiety hormones would permit bulimics to feel satiated.
  • MTP microsomal triglyceride transfer protein
  • the present invention provides a method for increasing the levels of satiety hormones, in particular GLP-1 , PYY and CCK, in a mammalian subject, which method comprises administering to a mammal a therapeutically effective amount of an MTP inhibiting compound or a pharmaceutical composition comprising a MTP inhibiting compound.
  • MTP inhibiting compound for increasing the levels of satiety hormones, in particular the GLP-1 , PYY and CCK hormones, also has a lowering effect on the level of glucose in blood plasma and increases insulin sensitivity.
  • Insulin resistance is the condition in which normal amounts of insulin are inadequate to produce a normal insulin response from fat, muscle and liver cells. Insulin resistance in fat cells results in hydrolysis of stored triglycerides, which elevates free fatty acids in the blood plasma. Insulin resistance in muscle reduces glucose uptake whereas insulin resistance in liver reduces glucose storage, with both effects serving to elevate blood glucose. High plasma levels of insulin and glucose due to insulin resistance often leads to the metabolic syndrome and type 2 diabetes.
  • the present invention also relates to the use of MTP inhibiting compounds for increasing the levels of the satiety hormone GLP-1 for the treatment of cardiomyopathy.
  • the present invention also relates to the use of MTP inhibiting compounds for increasing the levels of the satiety hormone GLP-1 for the treatment of peripheral neuropathies.
  • MTP inhibiting compounds have been disclosed in, e.g., Janssen Pharmaceutica : WO-96/13499, WO-02/20501 , WO-02/42271 , WO-02/081460, WO-2005/058824, and WO-2005/085226; Bristol-Myers-Squibb : EP-0,584,446, EP-0,643,057, WO-96/26205, WO-97/26240, WO-91/43255, WO-97/43257, WO-98/27979, and WO-99/21564; GSK : WO-98/16526, WO-98/47877,
  • WO-98/56790 WO-00/32582, WO-01/92241 , WO-01/96327, and WO-03/048121 ; Japan Tobacco : WO-99/31085, WO-03/072532, and WO-2006/008962; Meji Seika Kaisho : WO-98/54135; Novartis : WO-01/77077 and WO-2000/005201 ; Pfizer : WO-96/40640, and WO-98/23593.
  • MTP inhibiting compounds are, e.g., dirlotapide or (S)-N- ⁇ 2- [benzyl(methyl)amino]-2-oxo-1 -phenylethyl ⁇ -1 -methyl-5-[4'-(trifluoromethyl)[1 , 1 '- biphenyl]-2-carboxamido]-1 H-indole-2-carboxamide; BMS201038 or N-(2,2,2- trifluoroethyl)-9-[4-[4-[[(4'-trifluoromethyl)-1 ,1 '-biphenyl-2-yl]carbonyl]amino)-1- piperidinyl]butyl]-9H-fluorene-9-carboxamide (EP-0,643,057); mitratapide or (-)-[2S- [2 ⁇ ,4 ⁇ (S * )]]-4-[4-[4-[4-[[2-(4-chloropheny
  • mamal or “mammalian subject” refers to human and non- human patients.
  • a "therapeutically effective amount" of a MTP inhibiting compound is the quantity of a compound which, when administered to a mammalian subject, results in a sufficiently high level of that MTP inhibiting compound in the mammalian to cause a discernible increase of the blood plasma levels of the satiety hormones GLP-1 , PYY and CCK.
  • compositions comprising a MTP inhibiting compound can be administered to a subject either orally, parenterally (for example intravenously, intramuscularly or subcutaneously), percutaneously, or rectally.
  • Solid dosage forms for oral administration include capsules, dragees, tablets, powders and granules. These solid dosage forms are preferably formulated in dosage unit form for ease of administration and uniformity of dosage.
  • dosage unit form refers to physically discrete units suitable as unitary dosages, each unit containing a predetermined amount of active ingredient calculated to produce the desired therapeutic effect in association with the required pharmaceutical carrier. Examples of such dosage unit forms are tablets (including scored or coated tablets), capsules, pills, powder packets, wafers, injectable solutions or suspensions, teaspoonfuls, tablespoonfuls and the like, and segregated multiples thereof.
  • Liquid dosage forms for oral administration include pharmaceutically acceptable emulsions, solutions, suspensions, suspo-emulsions, syrups and elixirs.
  • Pharmaceutical compositions for parenteral injection may comprise physiologically acceptable sterile aqueous or nonaqueous solutions, dispersions, suspension, or emulsions, or may comprise sterile powders for reconstitution into sterile injectable solutions or dispersions.
  • Figure 1 is a graph displaying plasma CCK (pMol/l) expressed as the median value per group just before the meal and 12 and 24 hours after the meal.
  • Figure 2 is a graph displaying the postprandial plasma PYY (pMol/l) levels after 0.02% (w/w) administration of the MTP inhibitor "compound A" mixed in diet containing 17.5% (w/w) (35 kcal%) fat.
  • Figure 3 is a graph displaying the postprandial plasma GLP-1 (pg/l) levels after 0.02% (w/w) administration of the MTP inhibitor "compound A" mixed in diet containing 17.5% (w/w) (35 kcal%) fat.
  • the treatment groups were :
  • Rats Male Sprauge-Dawley rats (Iffa-Credo) are housed in individually ventilated cages under controlled temperature (20-24 0 C), humidity (45-65%) and light (12-12h light/dark cycle; Lights on - 5 AM - 5PM). Rats were adapted to a semipurified casein, cornstarch and sucrose based diet (AIN-93) containing 17.5% w/w corn oil as the fat source for 10 days. The 17.5% diet is calculated to contain 35% of energy as fat.
  • Rats Male Sprauge-Dawley rats (Iffa-Credo) are housed in individually ventilated cages under controlled temperature (20-24 0 C), humidity (45-65%) and light (12-12h light/dark cycle; Lights on - 5 AM - 5PM). Rats were adapted to a semipurified casein, cornstarch and sucrose based diet (AIN-93) containing 17.5% w/w corn oil as the fat source for 10 days. The 17.5% diet is calculated to contain 35% of energy as fat.

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Abstract

The present invention relates to the use of inhibitors of microsomal triglyceride transfer protein (MTP) for increasing plasma levels of the satiety hormones such as GLP-1, PYY and CCK.

Description

USE OF MTP INHIBITORS FOR INCREASING LEVELS OF SATIETY HORMONES
[0001] The present invention relates to the use of inhibitors of microsomal triglyceride transfer protein (MTP) for increasing plasma levels of the satiety hormones such as GLP-1 , PYY and CCK.
[0002] Microsomal triglyceride transfer protein (hereinafter referred to as MTP) is known to catalyze the transport of triglyceride, cholesteryl ester and phospholipids such as phosphatidylcholine. This indicates that MTP is required for the synthesis of Apo B-containing lipoproteins such as chylomicrons and VLDL, the precursor to LDL. It therefore follows that an MTP inhibitor would inhibit the synthesis of VLDL and chylomicrons, thereby lowering levels of VLDL, LDL, cholesterol and triglyceride in humans. Compounds capable of inhibiting MTP are believed to be useful in the treatment of disorders such as obesity, hyperlipidemia, hypercholesterolemia, hypertriglyceridemia, class Il diabetes, atherosclerosis and for the reduction of postprandial serum triglyceride plasma levels.
[0003] Satiety hormones are hormones released from the gastrointestinal tract in response to changes in the nutritional state. These hormones influence central mechanisms involved in the regulation of energy balance, through a range of bloodborne and neural pathways.
[0004] Glucagon-like peptide 1 (GLP-1 ) is an intestinal hormone which generally stimulates insulin secretion during hyperglycemia, suppresses glucagon secretion, stimulates (pro) insulin biosynthesis and decelerates gastric emptying and acid secretion. GLP-1 is secreted from L cells in the small and large bowel following the ingestion of fat and proteins. GLP-1 has been implicated as a possible therapeutic agent for the management of type 2 non-insulin-dependent diabetes mellitus as well as related metabolic disorders, such as obesity.
[0005] Pancreatic polypeptide ("PP") was discovered as a contaminant of insulin extracts and was named by its organ of origin rather than functional importance. A related peptide was subsequently discovered in extracts of intestine and named Peptide YY ("PYY") because of the N- and C-terminated tyrosines (Tatemoto, Proc. Natl. Acad. Sci. USA, 79 : 2514 -2518 (1982)). PYY is secreted from the endocrine L cells of the small and large bowel, with high concentration at the terminal ileum, colon and maximum concentration in the rectum. Plasma PYY levels are suppressed in the fasted state and increase within 30 minutes of nutrients reaching the gut. PYY release is stimulated by nutrient intake in proportion to energy content. It is particularly stimulated by fat intake, compared to carbohydrate and protein meals with a similar calorie content. Recent studies suggest that PYY can induce appetite reduction.
[0006] Cholecystokinin is structurally related to gastrin and exists in several molecular forms with differing numbers of amino acids - examples include CCK-8, CCK-33, CCk-39 and CCK-54. CCK is an endogenous gut hormone found mainly within the duodenum and jejunum and is released following the consumption of food. Release of CCK has been shown to be a satiety signal in humans. When food is consumed, CCK releasing protein (CCKRP) is released in the small intestine. CCKRP stimulates CCK release from the intestinal cells. It has been shown that CCK release results in appetite reduction so that the person will stop eating.
[0007] The ability of CCK to reduce appetite appears to make it a useful agent in the treatment of obesity. An increase in the level of the satiety hormone CCK would result in less food consumed and reduction of hunger cravings between meals. These effects would enable an overweight individual to better comply with a diet that has a reduced caloric intake.
[0008] An increase in the level of the satiety hormone CCK extends the feeling of satiety, resulting in a decrease of food intake which over time results in a decrease in body weight while providing better regulation of glucose and insulin levels following consumption of a meal. The release of CCK also causes a delay in stomach emptying which blunts the post-prandial rise in glucose and insulin. Most persons with Type Il diabetes are obese and have an inability to respond normally to insulin. An increase in CCK levels may permit Type Il diabetics to be satiated with a lower caloric intake and may offer a better degree of glycemic control.
[0009] Bulimia is an eating disorder characterised by an inability to become satiated by food. As a result bulimics tend to binge on food and regurgitate it to prevent weight gain. Studies have shown that bulimics have a defect in their normal satiety mechanism. Hence an increase of the satiety hormones would permit bulimics to feel satiated.
[0010] Unexpectedly it has now been observed that when inhibitors of microsomal triglyceride transfer protein (MTP) are administered to a mammalian subject, the plasma levels of the satiety hormones such as GLP-1 , PYY and CCK are increased. [0011] The present invention provides the use of a MTP inhibiting compound for the manufacture of a medicament for increasing the levels of satiety hormones, such as the GLP-1 , PYY and CCK hormones. Also provided is the use of a pharmaceutical composition comprising a MTP inhibiting compound for the manufacture of a medicament for increasing the levels of satiety hormones, such as the GLP-1 , PYY and CCK hormones.
[0012] Further, the present invention provides a method for increasing the levels of satiety hormones, in particular GLP-1 , PYY and CCK, in a mammalian subject, which method comprises administering to a mammal a therapeutically effective amount of an MTP inhibiting compound or a pharmaceutical composition comprising a MTP inhibiting compound.
[0013] The use of MTP inhibiting compound for increasing the levels of satiety hormones, in particular the GLP-1 , PYY and CCK hormones, also has a lowering effect on the level of glucose in blood plasma and increases insulin sensitivity. Insulin resistance is the condition in which normal amounts of insulin are inadequate to produce a normal insulin response from fat, muscle and liver cells. Insulin resistance in fat cells results in hydrolysis of stored triglycerides, which elevates free fatty acids in the blood plasma. Insulin resistance in muscle reduces glucose uptake whereas insulin resistance in liver reduces glucose storage, with both effects serving to elevate blood glucose. High plasma levels of insulin and glucose due to insulin resistance often leads to the metabolic syndrome and type 2 diabetes.
[0014] Studies in dogs with an induced dilated cardiomyopathy have shown that a 48 hour of GLP-1 infusion improved the left ventricular function, and reduced systemic vascular resistance compared with saline-treated control animals (Nikolaidis LA et al., Circulation 2004; 110:955-961 ). Accordingly the present invention also relates to the use of MTP inhibiting compounds for increasing the levels of the satiety hormone GLP-1 for the treatment of cardiomyopathy.
[0015] Studies in rats with pyridoxine induced peripheral sensory neuropathy suggest neuroprotection mediated by agonism at the GLP-1 receptor (Perry T. et al, Experimental Neurology 2007:203, 293 - 301 ). Accordingly the present invention also relates to the use of MTP inhibiting compounds for increasing the levels of the satiety hormone GLP-1 for the treatment of peripheral neuropathies. - A -
[0016] MTP inhibiting compounds have been disclosed in, e.g., Janssen Pharmaceutica : WO-96/13499, WO-02/20501 , WO-02/42271 , WO-02/081460, WO-2005/058824, and WO-2005/085226; Bristol-Myers-Squibb : EP-0,584,446, EP-0,643,057, WO-96/26205, WO-97/26240, WO-91/43255, WO-97/43257, WO-98/27979, and WO-99/21564; GSK : WO-98/16526, WO-98/47877,
WO-98/56790, WO-00/32582, WO-01/92241 , WO-01/96327, and WO-03/048121 ; Japan Tobacco : WO-99/31085, WO-03/072532, and WO-2006/008962; Meji Seika Kaisho : WO-98/54135; Novartis : WO-01/77077 and WO-2000/005201 ; Pfizer : WO-96/40640, and WO-98/23593.
[0017] Particular MTP inhibiting compounds are, e.g., dirlotapide or (S)-N-{2- [benzyl(methyl)amino]-2-oxo-1 -phenylethyl}-1 -methyl-5-[4'-(trifluoromethyl)[1 , 1 '- biphenyl]-2-carboxamido]-1 H-indole-2-carboxamide; BMS201038 or N-(2,2,2- trifluoroethyl)-9-[4-[4-[[(4'-trifluoromethyl)-1 ,1 '-biphenyl-2-yl]carbonyl]amino)-1- piperidinyl]butyl]-9H-fluorene-9-carboxamide (EP-0,643,057); mitratapide or (-)-[2S- [2α,4α(S*)]]-4-[4-[4-[4-[[2-(4-chlorophenyl)-2-[[(4-methyl-4H-1 ,2,4-triazol-3- yl)thio]methyl]-1 ,3-dioxolan-4-yl]methoxy]phenyl]-1-piperazinyl]phenyl]-2,4-dihydro-2- (1 -methylpropyl)-3H-1 ,2,4-triazol-3-one (WO-96/13499); (+)-phenyl-(4-{4-[(4'- trifluoromethyl-biphenyl-2-carbonyl)-amino]-phenyl}-piperidin-1 -yl)-acetic acid methyl ester (WO-02/20501 ); JTT-130 or diethyl ester[[[[3-[(dimethylamino)carbonyl]-4-[[[4'- (trifluoromethylXI J '-biphenylj^-yljcarbonyljaminojphenyljacetyljoxyjmethyljphenyl propanedioic acid (WO-2006/008962); SLx 4090 from Surface Logix; NA-2003 from Meiji Seika Kaisha; [(2R)-2,3-dihydro-5-[[[6-methyl-4'-(trifluoromethyl)[1 ,1 '-biphenyl]-2- yl]carbonyl]amino]-1 H-inden-2-yl]-carbamic acid methyl ester (WO-2000/005201 ); T-0126 or N-[2-[2-(1 H-Pyrazol-1-yl)acetyl]-2,3-dihydro-1 H-isoindol-5-yl]-2-[5-
(trifluoromethyl)pyridin-2-yl]benzamide from Tanabe Seiyaku (WO-2002/014276).
[0018] As used herein, "mammal" or "mammalian subject" refers to human and non- human patients.
[0019] As used herein, a "therapeutically effective amount" of a MTP inhibiting compound, is the quantity of a compound which, when administered to a mammalian subject, results in a sufficiently high level of that MTP inhibiting compound in the mammalian to cause a discernible increase of the blood plasma levels of the satiety hormones GLP-1 , PYY and CCK.
[0020] The pharmaceutical compositions comprising a MTP inhibiting compound can be administered to a subject either orally, parenterally (for example intravenously, intramuscularly or subcutaneously), percutaneously, or rectally.
[0021] Solid dosage forms for oral administration include capsules, dragees, tablets, powders and granules. These solid dosage forms are preferably formulated in dosage unit form for ease of administration and uniformity of dosage. "Dosage unit form" as used herein refers to physically discrete units suitable as unitary dosages, each unit containing a predetermined amount of active ingredient calculated to produce the desired therapeutic effect in association with the required pharmaceutical carrier. Examples of such dosage unit forms are tablets (including scored or coated tablets), capsules, pills, powder packets, wafers, injectable solutions or suspensions, teaspoonfuls, tablespoonfuls and the like, and segregated multiples thereof.
[0022] Liquid dosage forms for oral administration include pharmaceutically acceptable emulsions, solutions, suspensions, suspo-emulsions, syrups and elixirs. Pharmaceutical compositions for parenteral injection may comprise physiologically acceptable sterile aqueous or nonaqueous solutions, dispersions, suspension, or emulsions, or may comprise sterile powders for reconstitution into sterile injectable solutions or dispersions.
Description of the drawings [0023] Figure 1 is a graph displaying plasma CCK (pMol/l) expressed as the median value per group just before the meal and 12 and 24 hours after the meal.
[0024] Figure 2 is a graph displaying the postprandial plasma PYY (pMol/l) levels after 0.02% (w/w) administration of the MTP inhibitor "compound A" mixed in diet containing 17.5% (w/w) (35 kcal%) fat.
[0025] Figure 3 is a graph displaying the postprandial plasma GLP-1 (pg/l) levels after 0.02% (w/w) administration of the MTP inhibitor "compound A" mixed in diet containing 17.5% (w/w) (35 kcal%) fat. Experi mental part
Experiment 1 : Plasma CCK levels - single dose study in dog
[0026] The effect of the MTP inhibitor (+)-phenyl-(4-{4-[(4'-trifluoromethyl-biphenyl-2- carbonyl)-amino]-phenyl}-piperidin-1-yl)-acetic acid methyl ester (WO-02/20501 ) (hereinafter referred to as "compound A") on CCK plasma levels was studied in 3 groups of 8 dogs each (4 male and 4 female dogs per group). Two groups were treated orally with two different doses of compound A and one group was treated orally with the vehicle and served as a placebo group. The vehicle solution contained the same ingredients as the test formulations with omission of the test substance compound A.
[0027] The treatment groups were :
- group (1 ) treated orally with vehicle
- group (2) treated orally with 0.15 mg compound A per kg body weight - group (3) treated orally with 0.63 mg compound A per kg body weight
[0028] Dosing with either vehicle (group 1 ) or compound A (groups 2 and 3) was done together with a liquid meal at 7.00 hour for the first two males and females of each group and at 18.30 h for the last two males and females of each group. CCK plasma levels were determined before dosing, 0 hour, and at 12 and 24 hours post feeding.
[0029] As seen in Figure 1 , plasma CCK (pMol/l) expressed as the median value per group just before the meal and 12 and 24 hours after the meal showed a dose related increase of plasma CCK levels after administration of the MTP inhibiting compound A.
Experiment 2 : Plasma PYY levels - study in rats
[0030] Male Sprauge-Dawley rats (Iffa-Credo) are housed in individually ventilated cages under controlled temperature (20-240C), humidity (45-65%) and light (12-12h light/dark cycle; Lights on - 5 AM - 5PM). Rats were adapted to a semipurified casein, cornstarch and sucrose based diet (AIN-93) containing 17.5% w/w corn oil as the fat source for 10 days. The 17.5% diet is calculated to contain 35% of energy as fat.
[0031] At dark onset on day 1 1 , half the rats were switched to the same diet containing 0.02% w/w of "compound A", while the remaining rats received the control/adaptation diet. At O, 1 , 2, 4, 6, 12, 14, 16, 20 and 24 hr after diet presentation, a group of 6 rats/treatment were killed by decapitation and 4 ml of trunk blood was collected in pre-cooled (40C) K3E plasma tubes containing protease inhibitor cocktail. Blood was centrifuged (1500 x g for 15 minutes at 40C) within 10-15 minutes of sample collection taking blood sample and stored at -7O0C until assayed.
Experiment 3 : Plasma GLP-1 levels - study in rats
[0032] Male Sprauge-Dawley rats (Iffa-Credo) are housed in individually ventilated cages under controlled temperature (20-240C), humidity (45-65%) and light (12-12h light/dark cycle; Lights on - 5 AM - 5PM). Rats were adapted to a semipurified casein, cornstarch and sucrose based diet (AIN-93) containing 17.5% w/w corn oil as the fat source for 10 days. The 17.5% diet is calculated to contain 35% of energy as fat.
[0033] At dark onset on day 1 1 , half the rats were switched to the same diet containing 0.02% w/w of "compound A", while the remaining rats received the control/adaptation diet. At 0, 1 , 2, 4, 6, 12, 14, 16, 20 and 24 hr after diet presentation, a group of 6 rats/treatment were killed by decapitation and 4 ml of trunk blood was collected in pre-cooled (40C) K3E plasma tubes containing protease inhibitor cocktail. Blood was centrifuged (1500 x g for 15 minutes at 40C) within 10-15 minutes of sample collection taking blood sample and stored at -7O0C until assayed.

Claims

Claims
I . Use of a MTP inhibiting compound for the manufacture of a medicament for the treatment of a disease mediated by increasing the levels of satiety hormones.
2. Use according to claim 1 wherein the satiety hormones are GLP-1 , PYY and CCK.
3. Use according to claim 2 wherein the satiety hormone is GLP-1.
4. Use according to claim 2 wherein the satiety hormone is PYY.
5. Use according to claim 2 wherein the satiety hormone is CCK.
6. Use of a MTP inhibiting compound for the manufacture of a medicament for increasing the levels of the satiety hormones GLP-1 , PYY and CCK and concomitant lowering of glucose levels.
7. Use of a MTP inhibiting compound for the manufacture of a medicament for increasing the levels of the satiety hormones GLP-1 , PYY and CCK and concomitant lowering of insulin sensitivity.
8. The use as claimed in claim 2 wherein the disease is cardiomyopathy.
9. The use as claimed in claim 2 wherein the disease is peripheral neuropathies.
10. The use according to any of claims 1 to 9 wherein the MTP inhibiting compound is selected from dirlotapide , N-(2,2,2-trifluoroethyl)-9-[4-[4-[[(4'-trifluoromethyl)-1 ,1 '- biphenyl^-yOcarbonyOamino^i-piperidiny^butyO-ΘH-fluorene-θ-carboxamide; (-)- [2S-[2α,4α(S*)]]-4-[4-[4-[4-[[2-(4-chlorophenyl)-2-[[(4-methyl-4H-1 !2,4-triazol-3- yl)thio]methyl]-1 ,3-dioxolan-4-yl]methoxy]phenyl]-1-piperazinyl]phenyl]-2,4- dihydro-2-(1 -methylpropyl)-3H-1 ,2,4-triazol-3-one; (+)-phenyl-(4-{4-[(4'- trifluoromethyl-biphenyl^-carbony^-aminol-phenylj-piperidin-i-y^-acetic acid methyl ester; diethyl ester[[[[3-[(dimethylamino)carbonyl]-4-[[[4'-(trifluoromethyl)- [1 ,1 '-biphenylj^-yljcarbonyljaminojphenyljacetyljoxyjmethyljphenyl propanedioic acid; [(2R)-2,3-dihydro-5-[[[6-methyl-4'-(trifluoromethyl)[1 ,1 '-biphenyl]-2-yl]- carbonyl]amino]-1 H-inden-2-yl]-carbamic acid methyl ester (WO-2000/005201 ); or
N-[2-[2-(1 H-pyrazol-1 -yl)acetyl]-2,3-dihydro-1 H-isoindol-5-yl]-2-[5- (trifluoromethyl)pyridin-2-yl]benzamide.
I 1. The use according to claim 10 wherein the MTP inhibiting compound is (-)-[2S- [2α,4α(S*)]]-4-[4-[4-[4-[[2-(4-chlorophenyl)-2-[[(4-methyl-4H-1 !2,4-triazol-3- yl)thio]methyl]-1 ,3-dioxolan-4-yl]methoxy]phenyl]-1-piperazinyl]phenyl]-2,4- dihydro-2-(1 -methylpropyl)-3/-/-1 ,2,4-triazol-3-one.
12. The use according to claim 10 wherein the MTP inhibiting compound is
(+)-phenyl-(4-{4-[(4'-trifluoromethyl-biphenyl-2-carbonyl)-amino]-phenyl}-piperidin- 1-yl)-acetic acid methyl ester.
PCT/EP2008/050814 2007-01-25 2008-01-24 Use of mtp inhibitors for increasing levels of satiety hormones WO2008090198A1 (en)

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