WO2004096202A1 - Formulation pharmaceutique contenant un agent anti-obesite et un acidulant - Google Patents

Formulation pharmaceutique contenant un agent anti-obesite et un acidulant Download PDF

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Publication number
WO2004096202A1
WO2004096202A1 PCT/GB2004/001808 GB2004001808W WO2004096202A1 WO 2004096202 A1 WO2004096202 A1 WO 2004096202A1 GB 2004001808 W GB2004001808 W GB 2004001808W WO 2004096202 A1 WO2004096202 A1 WO 2004096202A1
Authority
WO
WIPO (PCT)
Prior art keywords
pharmaceutical formulation
sibutramine
acidulant
acid
formulation according
Prior art date
Application number
PCT/GB2004/001808
Other languages
English (en)
Inventor
Amar Lulla
Geena Malhotra
Original Assignee
Cipla Limited
Wain, Christopher, Paul
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Cipla Limited, Wain, Christopher, Paul filed Critical Cipla Limited
Priority to EP04729915A priority Critical patent/EP1622600A1/fr
Publication of WO2004096202A1 publication Critical patent/WO2004096202A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/14—Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles
    • A61K9/16—Agglomerates; Granulates; Microbeadlets ; Microspheres; Pellets; Solid products obtained by spray drying, spray freeze drying, spray congealing,(multiple) emulsion solvent evaporation or extraction
    • A61K9/1605—Excipients; Inactive ingredients
    • A61K9/1617—Organic compounds, e.g. phospholipids, fats
    • 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
    • A61K31/13—Amines
    • A61K31/135—Amines having aromatic rings, e.g. ketamine, nortriptyline
    • 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
    • A61K31/365—Lactones
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P3/00—Drugs for disorders of the metabolism
    • A61P3/04—Anorexiants; Antiobesity agents

Definitions

  • the present invention relates to pharmaceutical formulations comprising an anti- obesity agent useful in the management and treatment of obesity and related conditions.
  • Obesity can be defined as a condition occurring as a result of environmental, emotional and / or familial factors that have as the lowest common denominator an abnormal energy balance, usually resulting from excessive caloric intake and inadequate caloric loss.
  • obesity exists when there is excess energy stored as body fat.
  • moderate obesity is present when fat accounts for more than 25% of ideal weight.
  • the upper limit in females is about 30%. Difference in racial background and socioeconomic status appear to influence body fat, but it is often difficult to accurately distinguish the individual effects that each of the factors have.
  • Obesity is the most prevalent and serious nutritional disease among western countries. Approximately 300,000 deaths a year are currently associated with overweight and obesity. Obesity affects many organ systems and is a risk factor for gastrooesophageal reflux disease, nonalcoholic fatty liver disease, cholelithiasis, and colon cancer. Chronic obesity is also associated with various cardiovascular disorders, including diabetes, dyslipidemia and hypertension. Medication for the treatment of obesity act through one or more of three mechanisms:
  • Appetite suppression eg. treatment with sibutramine, orlistat or the like; .
  • Pharmacotherapy with anti-obesity agents is an important management strategy, in conjunction with lifestyle interventions.
  • N-formyl-L-leucine (lS)-l-[[(2S,3S)-3-hexyl-4-oxo-2- oxetanyl]methyl]dodecyl ester has the following structural formula
  • Orlistat is a pancreatic lipase inhibitor and as such is useful as an anti-obesity agent.
  • Sibutramine, N- ⁇ 1 -[ 1 -(4-chlorophenyl)cyclobutyl]-3-methylbutyl ⁇ -N,N-dimethyl- amine has the following structural formula
  • Sibutramine is an orally administered agent for the treatment of obesity and chemically the active ingredient is a racemic mixture of its enantiomers.
  • Sibutramine is a serotonin - norepinephrine reuptake inhibitor indicated for the management of obesity in conjunction with a reduced calorie diet.
  • sibutramine produces its therapeutic effects by norepinephrine serotonin and dopamine reuptake inhibition.
  • Sibutramine is an orally administered agent that primarily acts to promote a sense of satiety; this is the result of serotonin (5-hydroxytryptamine) and noradrenaline reuptake inhibition effected by the drug.
  • Sibutramine also has a moderate effect on energy expenditure by attenuating the decrease in energy output during rest. Increased satiety (i.e. decreased energy intake) combined with increased physical activity (i.e. increased energy output), which is encouraged during therapy, should lead to an overall decrease in body weight. Sibutramine is a centrally acting agent that dose-dependently inliibits serotonin and noradrenaline reuptake. The effect of sibutramine is largely attributable to its active primary and secondary amine metabolites.
  • sibutramine does not appear to be a result of increased serotonin release; this differentiates it from the actions of dexfenfluramme, which predominantly releases serotonin, and dexamphetamine, which predominantly releases dopamine and noradrenaline.
  • the pharmacological mechanisms by which sibutramine exerts its weight loss effect are likely due to a combination of reduced appetite, feelings of satiety, and possibly the induction of themiogenesis. It's efficacy for inducing an initial-weight loss and the subsequent maintenance of the weight loss is well proven in short- and long-term clinical trials.
  • Sibutramine is thus an established and well-proven agent for obesity, is available for use and should be considered effective in the management of patients requiring pharmacotherapy as part of the multi-modal approach to weight-loss.
  • sibutramine hydrochloride and orlistat for use in the treatment of obesity and related conditions.
  • prior art sibutramine hydrochloride formulations are described in US 6162831, US 6426096, WO 01/34140, WO 01/00187, WO 01/00205 and BG106180.
  • BG106180 describes pharmaceutical compositions of sibutramine hydrochloride and orlistat for the treatment of co-morbid conditions associated with obesity in a human in need of such treatment, which comprises administration to the human a therapeutically effective amount of the drug.
  • WO 01/00187, WO 01/00205, US 6162831 and US 6426096 describe pharmaceutical compositions of sibutramine hydrochloride alone or with other active agents for the treatment of obesity and related disorders.
  • WO01/34140 describes pharmaceutical formulations comprising sibutramine hydrochloride and a bulking agent for the treatment of obesity and related disorders.
  • the bulking agent not only works as the excipient and / or aid in the formulation but also helps to have a synergistic action with the drug. This is because, when the bulk-forming agent is taken with water, this swells in a patient's stomach, giving rise to a sense of satiety and thus reducing food intake and acting as an anti-obesity agent.
  • sibutramine hydrochloride for example as discussed above, there continues to exist a need for improved stable formulations of an anti-obesity agent, such as sibutramine and orlistat.
  • an anti-obesity agent such as sibutramine and orlistat.
  • use of sibutramine or orlistat as the free base, with acidulants (to prepare salt in situ) provides good therapeutic effect for treatment of obesity and related disorders.
  • the free base is more stable compared to prior art salts, such as the hydrochloride salt, with respect to accelerated conditions of temperature and humidity.
  • a pharmaceutical formulation comprising an anti-obesity agent, and at least one acidulant, together with a pharmaceutically acceptable carrier, diluent or excipient therefor.
  • an anti-obesity agent for use in a pharmaceutical formulation according to the present invention is selected from the group consisting of sibutramine, orlistat, pharmaceutically acceptable salts, solvates or physiologically functional derivatives thereof.
  • a pharmaceutical formulation which is prepared from an admixture of an anti-obesity agent, present as the free base, and at least one acidulant, together with a pharmaceutically acceptable carrier, diluent or excipient therefor.
  • the anti-obesity agent comprises sibutramine or orlistat, especially sibutramine. In this way a salt of the anti-obesity agent and the acidulant, such as for example sibutramine fumarate, is formed in situ in the formulation.
  • a pharmaceutical formulation which comprises an anti-obesity agent present in salt form, wherein said salt is formed from said anti-obesity agent and an acidulant, together with a pharmaceutically acceptable carrier, diluent or excipient therefor.
  • the anti-obesity agent comprises sibutramine or orlistat, especially sibutramine, as referred to above.
  • the acidulant employed in a pharmaceutical formulation according to the present invention is suitably selected to react with an anti-obesity agent, such as sibutramine or orlistat, when present as the free base, thereby forming a salt of the anti-obesity agent with the acidulant.
  • an anti-obesity agent such as sibutramine or orlistat
  • This resulting salt form of the anti-obesity agent is stable and is substantially equivalent to prior art hydrochloride salts of anti-obesity agents, such as sibutramine hydrochloride, in terms of in vitro performance of respective formulations thereof.
  • An acidulant as present in a pharmaceutical formulation according to the present invention is suitably selected from the group consisting of acetic acid, citric acid anhydrous, citric acid monohydrate, fumaric acid, DL-malic acid, L-malic acid, phosphoric acid, sorbic acid, DL-tartaric acid, L-tartaric acid, succinic acid and the like. Most preferred is fumaric acid and analogues thereof.
  • compositions according to the present invention are preferably in the form of capsules, but it is possible to use other preparations, such as tablets, oral solution, or the like.
  • 5-50 mg of an anti-obesity agent, as present in a formulation according to the present invention, when administered once daily generally provides effective therapy for obesity and related disorders.
  • the present invention provides capsule formulations comprising at least one anti-obesity agent together with at least one acidulant.
  • a preferred anti-obesity agent for use in a capsule fonnulation according to the present invention is sibutramine, or analogues thereof, and substantially as hereinbefore described the acidulant is suitably selected from the group consisting of acetic acid, citric acid anhydrous, citric acid monohydrate, fumaric acid, DL-malic acid, L-malic acid, phosphoric acid, sorbic acid, DL-tartaric acid, L-tartaric acid, succinic acid and the like. Most preferred is fumaric acid and analogues thereof.
  • a diluent or bulking agent is present in a capsule formulation according to the present invention and typically can provide an increase in capsule size.
  • the artisan can utilize known methods to select the diluent, which provides good flow, better compressibility and good homogeneity as required for pharmaceutical usage.
  • a preferred diluent is lactose or microcrystalline cellulose.
  • Various forms of lactose are appropriate for such formulations, including anhydrous, hydrous and spray dried forms.
  • the most desired form of lactose for use according to the present invention can be selected based on desired dissolution, content uniformity, flowability and disintegration time. The artisan can use known techniques to achieve the desired physical properties.
  • dry binders and disintegrants are starch and microcrystalline cellulose; however, other appropriate dry binders and disintegrants may be selected.
  • binders for use in capsule formulations according to the present invention include a hydroalcoholic solution, an aqueous binder or a non-aqueous binder.
  • a particular binder described in the Examples is isopropyl alcohol together with methylene chloride.
  • a capsule formulation according to the present invention may also include a hydrophobic lubricant and a suitable glidant.
  • a hydrophobic lubricant and a suitable glidant The artisan can select an appropriate lubricant and glidant in combination to impart good flowability to the blend to enable filling into the capsule shells.
  • Suitable agents include talc, colloidal silicon dioxide and derivatives thereof, fatty acids and salts of fatty acids, mineral oil, and hydro genated vegetable oils.
  • An example of a suitable fatty acid material is stearic acid or its magnesium salt. The most preferred combination is colloidal silicon dioxide and magnesium stearate.
  • the present invention further comprises a process of preparing a pharmaceutical formulation substantially as herein before described, which process comprises providing an anti-obesity agent substantially as hereinbefore described, and at least one acidulant substantially as hereinbefore described, together with one or more pharmaceutically acceptable carriers, diluents or excipients therefor, in a pharmaceutical formulation.
  • a process of preparing a pharmaceutical formulation substantially as herein before described comprises mixing an anti-obesity agent, typically sibutramine, present as the free base, with a portion of acidulant, and at least one pharmaceutically acceptable carrier, diluent or excipient therefor, to obtain a dry mix, dissolving the remaining portion of acidulant in substantially purified water to obtain an aqueous acidulant solution, granulating the dry mix with the aqueous acidulant solution, to obtain a mass of required consistency, drying, sizing and filtering the resulting granules, and filling the granules in an appropriate capsule size.
  • an anti-obesity agent typically sibutramine, present as the free base
  • at least one pharmaceutically acceptable carrier diluent or excipient therefor
  • sibutramine fumarate suitable for use in a pharmaceutical formulation substantially as hereinbefore described.
  • sibutramine fumarate for use in the manufacture of a medicament for the treatment of obesity and related conditions.
  • sibutramine free base together with an acidulant substantially as hereinbefore described, for the manufacture of a medicament for the treatment of obesity and related conditions.
  • a method of treating obesity and related conditions comprises administering to a patient in need of such treatment sibutramine fumarate, or a pharmaceutical formulation, substantially as hereinbefore described.
  • Example 1 The present invention will now be further illustrated by the following examples, which do not limit the scope of the invention in anyway.
  • Example 1

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Epidemiology (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Organic Chemistry (AREA)
  • Obesity (AREA)
  • General Chemical & Material Sciences (AREA)
  • Child & Adolescent Psychology (AREA)
  • Hematology (AREA)
  • Diabetes (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biophysics (AREA)
  • Molecular Biology (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)

Abstract

L'invention concerne une formulation pharmaceutique contenant un agent anti-obésité tel que la sibutramine et au moins un acidulant tel que l'acide fumarique, ainsi qu'un support pharmaceutiquement acceptable carrier, un diluant ou un excipient.
PCT/GB2004/001808 2003-04-28 2004-04-28 Formulation pharmaceutique contenant un agent anti-obesite et un acidulant WO2004096202A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP04729915A EP1622600A1 (fr) 2003-04-28 2004-04-28 Formulation pharmaceutique contenant un agent anti-obesite et un acidulant

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN421MU2003 2003-04-28
IN421/MUM/2003 2003-04-28

Publications (1)

Publication Number Publication Date
WO2004096202A1 true WO2004096202A1 (fr) 2004-11-11

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ID=33397670

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2004/001808 WO2004096202A1 (fr) 2003-04-28 2004-04-28 Formulation pharmaceutique contenant un agent anti-obesite et un acidulant

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EP (1) EP1622600A1 (fr)
WO (1) WO2004096202A1 (fr)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006090999A1 (fr) * 2005-02-22 2006-08-31 Ckd Bio Corp Malates de sibutramine anhydres et procede de preparation
KR100627687B1 (ko) 2005-04-20 2006-09-25 주식회사 씨티씨바이오 시부트라민 유리염기 함유 조성물 및 이의 제조방법
WO2006112649A1 (fr) * 2005-04-20 2006-10-26 Ctc Bio, Inc. Composition pharmaceutique contenant une base exempte de sibutramine et son procede de conception
WO2007007971A1 (fr) * 2005-07-12 2007-01-18 Yuhan Corporation Compositions pharmaceutiques comprenant de la sibutramine
WO2007040306A1 (fr) * 2005-08-31 2007-04-12 Daewoong Pharmaceutical Co., Ltd. Dispersion solide comportant de la sibutramine et un tensio-actif, et son procede de preparation
KR100763105B1 (ko) * 2006-09-07 2007-10-04 코오롱제약주식회사 용해도가 향상된 시부트라민의 분립체 조성물 및 이를이용한 시부트라민 경구 제형 제제와 그 제조방법
KR100814384B1 (ko) * 2006-02-10 2008-03-18 대화제약 주식회사 시부트라민 염을 함유하는 약학 조성물 및 이의 제조방법
US20080200536A1 (en) * 2005-08-17 2008-08-21 Boram Pharm.Co., Ltd Pharmaceutical Formulation with High Stability and Dissolution and Manufacturing Process
WO2010082216A2 (fr) * 2008-12-08 2010-07-22 Matrix Laboratories Ltd Nouveaux sels de sibutramine et leurs formes cristallines
US7989500B2 (en) 2006-09-15 2011-08-02 Reviva Pharmaceuticals, Inc. Synthesis, methods of using, and compositions of cycloalkylmethylamines
WO2013102195A1 (fr) 2011-12-30 2013-07-04 Reviva Pharmaceuticals, Inc. Compositions, synthèses et procédés d'utilisation de dérivés de phénylcycloalkylméthylamine
US8604244B2 (en) 2010-07-02 2013-12-10 Reviva Pharmaceuticals, Inc. Compositions, synthesis, and methods of using cycloalkylmethylamine derivatives

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2561583C2 (ru) * 2013-07-10 2015-08-27 Компания с ограниченной ответственностью ПРОМОМЕД Фармацевтическая композиция для лечения и/или предупреждения нарушений, связанных с ожирением, и способ лечения и/или предупреждения нарушений, связанных с ожирением

Citations (4)

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Publication number Priority date Publication date Assignee Title
WO2000056323A1 (fr) * 1999-03-19 2000-09-28 Knoll Gmbh Traitement de certains cancers associes a un gain de poids
US6187820B1 (en) * 1996-09-25 2001-02-13 Knoll Aktiengesellschaft Medical treatment to improve lipid levels
WO2001034140A1 (fr) * 1999-11-06 2001-05-17 Abbott Gmbh & Co. Kg Formulation pharmaceutique
US20020183554A1 (en) * 2001-04-13 2002-12-05 Senanayake Chris Hugh Methods of preparing didesmethylsibutramine and other sibutramine derivatives

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6187820B1 (en) * 1996-09-25 2001-02-13 Knoll Aktiengesellschaft Medical treatment to improve lipid levels
WO2000056323A1 (fr) * 1999-03-19 2000-09-28 Knoll Gmbh Traitement de certains cancers associes a un gain de poids
WO2001034140A1 (fr) * 1999-11-06 2001-05-17 Abbott Gmbh & Co. Kg Formulation pharmaceutique
US20020183554A1 (en) * 2001-04-13 2002-12-05 Senanayake Chris Hugh Methods of preparing didesmethylsibutramine and other sibutramine derivatives

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006090999A1 (fr) * 2005-02-22 2006-08-31 Ckd Bio Corp Malates de sibutramine anhydres et procede de preparation
KR100627687B1 (ko) 2005-04-20 2006-09-25 주식회사 씨티씨바이오 시부트라민 유리염기 함유 조성물 및 이의 제조방법
WO2006112649A1 (fr) * 2005-04-20 2006-10-26 Ctc Bio, Inc. Composition pharmaceutique contenant une base exempte de sibutramine et son procede de conception
WO2007007971A1 (fr) * 2005-07-12 2007-01-18 Yuhan Corporation Compositions pharmaceutiques comprenant de la sibutramine
KR100781882B1 (ko) 2005-07-12 2007-12-05 주식회사유한양행 시부트라민을 함유하는 약제학적 조성물
US20080200536A1 (en) * 2005-08-17 2008-08-21 Boram Pharm.Co., Ltd Pharmaceutical Formulation with High Stability and Dissolution and Manufacturing Process
WO2007040306A1 (fr) * 2005-08-31 2007-04-12 Daewoong Pharmaceutical Co., Ltd. Dispersion solide comportant de la sibutramine et un tensio-actif, et son procede de preparation
KR100814384B1 (ko) * 2006-02-10 2008-03-18 대화제약 주식회사 시부트라민 염을 함유하는 약학 조성물 및 이의 제조방법
KR100763105B1 (ko) * 2006-09-07 2007-10-04 코오롱제약주식회사 용해도가 향상된 시부트라민의 분립체 조성물 및 이를이용한 시부트라민 경구 제형 제제와 그 제조방법
US7989500B2 (en) 2006-09-15 2011-08-02 Reviva Pharmaceuticals, Inc. Synthesis, methods of using, and compositions of cycloalkylmethylamines
US8338632B2 (en) 2006-09-15 2012-12-25 Reviva Pharmaceuticals, Inc. Cycloalkylmethylamines
US8372883B2 (en) 2006-09-15 2013-02-12 Reviva Pharmaceuticals, Inc. Methods of using cycloalkylmethylamines
US8445714B2 (en) 2006-09-15 2013-05-21 Reviva Pharmaceuticals, Inc. Cycloalkylmethylamines
US9296681B2 (en) 2006-09-15 2016-03-29 Reviva Pharmaceuticals, Inc. Cycloalkylmethylamines
US9302981B2 (en) 2006-09-15 2016-04-05 Reviva Pharmaceuticals, Inc. Synthesis, methods of using, and compositions of cycloalkylmethylamines
WO2010082216A2 (fr) * 2008-12-08 2010-07-22 Matrix Laboratories Ltd Nouveaux sels de sibutramine et leurs formes cristallines
WO2010082216A3 (fr) * 2008-12-08 2012-06-21 Matrix Laboratories Ltd Nouveaux sels de sibutramine et leurs formes cristallines
US8604244B2 (en) 2010-07-02 2013-12-10 Reviva Pharmaceuticals, Inc. Compositions, synthesis, and methods of using cycloalkylmethylamine derivatives
US9096515B2 (en) 2010-07-02 2015-08-04 Reviva Pharmaceuticals, Inc. Methods of using cycloalkylmethylamine derivatives
WO2013102195A1 (fr) 2011-12-30 2013-07-04 Reviva Pharmaceuticals, Inc. Compositions, synthèses et procédés d'utilisation de dérivés de phénylcycloalkylméthylamine
JP2018138566A (ja) * 2011-12-30 2018-09-06 レビバ ファーマシューティカルズ，インコーポレイティド 組成物、合成およびフェニルシクロアルキルメチルアミン誘導体を使用する方法

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