WO2005021524A1 - Procede pour la preparation d'une forme amorphe de repaglinide - Google Patents
Procede pour la preparation d'une forme amorphe de repaglinide Download PDFInfo
- Publication number
- WO2005021524A1 WO2005021524A1 PCT/IB2004/002776 IB2004002776W WO2005021524A1 WO 2005021524 A1 WO2005021524 A1 WO 2005021524A1 IB 2004002776 W IB2004002776 W IB 2004002776W WO 2005021524 A1 WO2005021524 A1 WO 2005021524A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- repaglinide
- amoφhous
- amoφhous form
- process according
- patient
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D295/00—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms
- C07D295/04—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms
- C07D295/12—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by singly or doubly bound nitrogen atoms
- C07D295/135—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by singly or doubly bound nitrogen atoms with the ring nitrogen atoms and the substituent nitrogen atoms separated by carbocyclic rings or by carbon chains interrupted by carbocyclic rings
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P5/00—Drugs for disorders of the endocrine system
- A61P5/48—Drugs for disorders of the endocrine system of the pancreatic hormones
- A61P5/50—Drugs for disorders of the endocrine system of the pancreatic hormones for increasing or potentiating the activity of insulin
Definitions
- repaglinide is S(+)-2-ethoxy-4-[N-(l-(2-piperidino-phenyl)-3-methyl- l-butyl)-aminocarbonylmethyl]benzoic acid, which belongs to a new class of hypoglycemic benzoic acid derivatives.
- 5,216,167 discloses enantiomers, diastereomers, non-toxic salts and non-toxic acid addition salts of repaglinide.
- repaglinide which has a melting point of 102 to 104 °C, is prepared by recrystallizing from petroleum ether/toluene.
- U.S. Patent No. 6,143,769 discloses a process for preparing repaglmide, which has a melting point of 126 to 131 °C, by recrystallizing from ethanol/water.
- repaglinide that is available in other physical forms, such as, for example, amorphous form.
- the present invention also encompasses repaglinide in an amorphous form.
- the amorphous form of repaglinide is characterized by a differential scanning calorimetry curve having a single melting endotherm with a peak temperature of about 52.98 °C and an extrapolated onset temperature of about 47.23 °C.
- the present invention further encompasses a method of treating a disease related to hypoglycemic activity comprising administering a therapeutically effective amount of an amo ⁇ hous form of repaglinide to a patient in need thereof.
- the present invention also encompasses a method of treating diabetes mellitus comprising administering a therapeutically effective amount of an amo ⁇ hous form of repaglinide to a patient in need thereof.
- the patient is a human.
- the present invention encompasses a process for the preparation of an amo ⁇ hous form of repaglinide, which comprises recovering amo ⁇ hous repaglinide from a repaglinide solution by spray drying.
- the repaglinide solution can be obtained directly from a reaction mixture, i another embodiment, the repaglinide solution can be obtained by dissolving crystalline repaglinide in a suitable solvent.
- suitable solvents can be alcohols, ketones, ethers, chlorinated hydrocarbons, esters, nitriles, dipolar aprotic solvents, cyclic ethers, and mixtures thereof.
- the suitable solvents can be methanol, ethanol, isopropanol, dichloromethane, dichloroethane, acetonitrile, tetrahydrofuran, dioxane, diethylether, diisopropylether, tertiary butylethylether, and mixtures thereof.
- the air inlet temperature of the spray drier can be from about 40 °C to about 100 °C and outlet temperature of the spray drier can be from about 20°C to about 80 °C.
- the present invention also encompasses a pharmaceutical composition
- a pharmaceutical composition comprising a therapeutically effective amount of an amo ⁇ hous form of repaglinide and at least one pharmaceutical acceptable excipient, carrier, or diluent.
- the amo ⁇ hous form of repaglinide is characterized by a differential scanning calorimetry curve having a single melting endotherm with a peak temperature of about 52.98 °C and an extrapolated onset temperature of about 47.23 °C.
- Fig. 1 is an X-ray diffraction spectrum of an amo ⁇ hous form of repaglinide.
- Fig.2 is an IR spectrum of an amo ⁇ hous form of repaglinide obtained by using potassium bromide pellets.
- the present invention encompasses a new form of repaglinide, and in particular, an amo ⁇ hous form of repaglinide.
- the present invention encompasses a process for preparing an amo ⁇ hous form of repaglinide is provided comprising spray drying of a solution of repaglinide.
- the present invention encompasses a pharmaceutical composition comprising an amo ⁇ hous form of repaglinide, along with pharmaceutically acceptable excipients.
- the amo ⁇ hous form of repaglinide that is utilized in the pharmaceutical compositions is formed by recovering amo ⁇ hous repaglinide from a repaglinide solution by spray drying.
- the present invention encompasses a method for treating or preventing diabetes mellitus, which comprises administering an effective amount of amo ⁇ hous form of repaglinide, is provided.
- the amo ⁇ hous form of repaglinide is characterized by its non-crystalline nature.
- the amo ⁇ hous form of repaglimde can be characterized by X-ray powder diffraction spectrum, or IR spectrum, as shown in Figures 1, and 2.
- the amo ⁇ hous form of repaglinide also can be characterized by a differential scanning calorimetry (DSC) curve, which exhibits a single melting endotherm with a peak temperature of about 52.98°C and an extrapolated onset temperature of about 47.23°C.
- DSC differential scanning calorimetry
- the present invention also is directed to a process for preparing an amo ⁇ hous form of repaglinide comprising recovering amo ⁇ hous repaglinide from a solution in a suitable solvent by spray drying.
- the solution of repaglinide can be obtained by dissolving crystalline repaglinide in a suitable solvent, or alternatively, such a solution may be obtained directly, from a reaction in which repaglinide is formed.
- Any known forms of crystalline repaglinide can be used as a starting material, such as forms disclosed in U.S. Patent Nos. 5,216,167 and 6,143,769.
- a solution of repaglinide obtained in-situ during the preparation process can be used as such for spray drying.
- Repaglinide can be obtained by known methods, such as methods disclosed in U.S. Patent Nos. 5,216,167 and 6,143,769, and WO 03/027072.
- suitable solvents include any solvent or solvent mixture in which repaglinide is soluble, hi particular, suitable solvents include, for example, alcohols, such as methanol, ethanol and isopropanol; ketones, such as acetone and methyl isobutyl ketone; ethers, such as diethylether, diisopropylether and tertiary butylethylether; nitriles, such as acetonitrile; chlorinated hydrocarbons, such as methylene chloride and ethylenedichloride; dipolar aprotic solvents, such as dimethylsulfoxide and dimethylformamide; esters, such as ethylacetate and isopropylacetate; cyclic ethers, such as dioxane and tetrahydrofuran and mixtures
- Spray drying can be accomplished by using a spray dryer, which operates on the principle of nozzle spraying in a parallel flow, i.e., the sprayed product and the drying gas flow in the same direction.
- the drying gas can be air, one or more inert gases, or a mixture thereof.
- the inert gases can be nitrogen, argon or carbon dioxide.
- the air inlet temperature of the spray drier can be from about 40 °C to about 100 °C and the outlet temperature can be from about 20 °C to about 80 °C.
- the amo ⁇ hous form of repaglinide exhibits hypoglycemic activity.
- the present invention encompasses a method of treating or preventing a disease related to hypoglycemic activity comprising administering amo ⁇ hous form of repaglinide to a patient in need of such treatment.
- the present invention encompasses a method of treating or preventing diabetes mellitus comprising administering amo ⁇ hous form of repaglinide to a patient in need of such treatment.
- the patient is human.
- the amo ⁇ hous form of repaglinide can be administered as part of a pharmaceutical composition.
- the present invention encompasses a pharmaceutical composition that comprises an effective amount of an amo ⁇ hous form of repaglinide along with a pharmaceutically acceptable carrier, diluent or excipient, and optionally one or more other therapeutic ingredients.
- a pharmaceutically acceptable carrier diluent or excipient
- the amo ⁇ hous form of repaglinide can be conventionally formulated into tablets, capsules, suspensions, dispersions, injectables and other pharmaceutical forms. Any suitable route of administration may be employed, such as, for example, peroral or parental.
- the pharmaceutical carrier can be a conventional solid or liquid carrier.
- solid carriers include, but are not limited to, lactose, terra alba, sucrose, talc, gelatin, agar, pectin, acacia, corn and or potato starch, amylose, silicic acid, fatty acid monoglycerides and diglycerides, pentaerythritol fatty acid esters, magnesium stearate, secondary calcium phosphate, polyoxyethylenepolyoxypropylene polymer, microcrystalline cellulose, N-methylglucamine, L-lysine and stearic acid.
- liquid carriers include, but are not limited to, salt solutions, syrup, alcohols, polyethylene glycols, polyhydroxy ethoxylated castor oil, peanut oil, olive oil and water.
- the carrier or diluent may include any time delay material well known to the art, such as, for example, glyceryl monostearate, glyceryl distearate, hydroxymethylcellulose and polyvinylpyrrolidone alone or mixed with a wax.
- a solid carrier for oral administration the preparation can be formed into a tablet, placed in a hard gelatin capsule in powder or pellet form, or in the form of a troche or lozenge.
- the preparation may be a syrup, emulsion, soft gelatin capsule or sterile injectable liquid, such as an aqueous or non- aqueous liquid suspension.
- compositions of this invention can be made following the conventional techniques of the pharmaceutical industry involving mixing, granulating and compressing or variously mixing and dissolving the ingredients as appropriate to give the desired end product.
- the pharmaceutical preparations can be sterilized and mixed, if desired, with auxiliary agents, such as diluents, binders, lubricants, preservatives, disintegrants, stabilizers, wetting agents, emulsifiers, salt for influencing osmotic pressure, buffers, coloring agents, flavoring agents and the like, which do not deleteriously react with the active compound.
- auxiliary agents such as diluents, binders, lubricants, preservatives, disintegrants, stabilizers, wetting agents, emulsifiers, salt for influencing osmotic pressure, buffers, coloring agents, flavoring agents and the like, which do not deleteriously react with the active compound.
- FT-LR Instrument Perkin Elmer, 16 PC SCAN: 16scans, 4.0 cm "1 Run in accordance to the USP 25, general test methods, page 1920, infrared abso ⁇ tion spectra were obtained by potassium bromide pellet method.
- Example 2 Crystalline repaglinide (lOg) was dissolved in 150 mL of acetone at room temperature. The clear solution thus obtained was subjected to spray drying in a mini spray dryer (Buchi Model 190).
- the spray drier was configured to utilize a nitrogen gas inlet at 700mm of Hg and flow rate was set at 10.0 mL/minute. The inlet temperature was maintained at 56 °C and accordingly, the outlet temperature was 35 °C.
- Repaglinide was charged in the spray drier for 15 minutes and 7.0 g of white fluffy powder was collected.
Abstract
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04769193A EP1664008A1 (fr) | 2003-08-28 | 2004-08-27 | Procede pour la preparation d'une forme amorphe de repaglinide |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IN1049/DEL/2003 | 2003-08-28 | ||
IN1049DE2003 | 2003-08-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005021524A1 true WO2005021524A1 (fr) | 2005-03-10 |
Family
ID=34259934
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/IB2004/002776 WO2005021524A1 (fr) | 2003-08-28 | 2004-08-27 | Procede pour la preparation d'une forme amorphe de repaglinide |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1664008A1 (fr) |
WO (1) | WO2005021524A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2177221A1 (fr) | 2008-10-20 | 2010-04-21 | Krka Tovarna Zdravil, D.D., Novo Mesto | Procedure de préparation de répaglinide essentielment optiquement pur et ses précurseurs |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1993000337A1 (fr) * | 1991-06-21 | 1993-01-07 | Dr. Karl Thomae Gmbh | Acides (s)(+)-2-ethoxy-4-[n-[1-(2-piperidino-phenyl)-3-methyl-1-butyl]aminocarbonylmethyl]-benzoique |
WO2004018442A1 (fr) * | 2002-08-23 | 2004-03-04 | Dr. Reddy's Laboratories Limited | Formes cristalline et amorphe de (s)-repaglinide et procedes de preparation |
-
2004
- 2004-08-27 WO PCT/IB2004/002776 patent/WO2005021524A1/fr not_active Application Discontinuation
- 2004-08-27 EP EP04769193A patent/EP1664008A1/fr not_active Withdrawn
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1993000337A1 (fr) * | 1991-06-21 | 1993-01-07 | Dr. Karl Thomae Gmbh | Acides (s)(+)-2-ethoxy-4-[n-[1-(2-piperidino-phenyl)-3-methyl-1-butyl]aminocarbonylmethyl]-benzoique |
WO2004018442A1 (fr) * | 2002-08-23 | 2004-03-04 | Dr. Reddy's Laboratories Limited | Formes cristalline et amorphe de (s)-repaglinide et procedes de preparation |
Non-Patent Citations (1)
Title |
---|
J. BERNSTEIN: "Polymorphism in molecular crystals", 2002, OXFORD UNIVERSITY PRESS, XP002308143 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2177221A1 (fr) | 2008-10-20 | 2010-04-21 | Krka Tovarna Zdravil, D.D., Novo Mesto | Procedure de préparation de répaglinide essentielment optiquement pur et ses précurseurs |
Also Published As
Publication number | Publication date |
---|---|
EP1664008A1 (fr) | 2006-06-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4460580A (en) | N-Alkylated aminoalcohols and their pharmaceutical compositions useful for the treatment of cardiac insufficiency | |
AU2005265769B2 (en) | 5-substituted-2-phenylamino-benzamides as MEK inhibitors | |
EP1720546B1 (fr) | Nouveaux beta-2-agonistes a action longue duree et leur utilisation comme medicaments | |
EP1957451A1 (fr) | Zwitterions anticholinergiques moderes | |
EA008665B1 (ru) | Лекарственные средства для лечения хронического обструктивного заболевания лёгких | |
DE102004003428A1 (de) | Neue langwirksame Beta-2-Agonisten, und deren Verwendung als Arzneimittel | |
WO2006100453A1 (fr) | Sels de glycopyrronium et leur application thérapeutique | |
US6753333B2 (en) | Chiral fluoroquinolone arginine salt forms | |
WO2007058971A2 (fr) | Esters anticholinergiques moderes | |
EP0004532B1 (fr) | 1-Aryloxy-3-nitratoalcoylamino-2-propanols, procédé pour leur préparation et les compositions pharmaceutiques | |
EP0171702A1 (fr) | Dérivés de benzoxazinone, préparation et application | |
US4607033A (en) | Morpholine derivatives, compositions and medicinal use | |
HU203766B (en) | Process for producing estramustine-esters and pharmaceutical compositions containing them as active components | |
JPS6136829B2 (fr) | ||
EP0290122B1 (fr) | Dérivé de morpholine et leur utilisation | |
EP1664008A1 (fr) | Procede pour la preparation d'une forme amorphe de repaglinide | |
JPS5827796B2 (ja) | テオフイリニルメチルジオキソラン誘導体およびその製法 | |
US4683245A (en) | Laevorotatory antipode of moprolol as an antihypertensive | |
MXPA02000033A (es) | Polimorfos de un diclorhidrato cristalino de azobiciclo (2, 2, 2)oct-3-ilamina y sus composiciones farmaceuticas. | |
DE3807813A1 (de) | Neue benzocycloheptenderivate, diese verbindungen enthaltende arzneimittel und verfahren zu deren herstellung | |
US20060128763A1 (en) | Stable amorphous amlodipine camsylate, process for preparing same and composition for oral administration thereof | |
CN115141229A (zh) | 抗组胺类化合物及其制备方法和用途 | |
JP2004521082A (ja) | 新規な結晶形のXa因子阻害剤 | |
US4692465A (en) | 2-phenylethylamine derivatives | |
JPS59116269A (ja) | イソカルボスチリル誘導体 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NA NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): BW GH GM KE LS MW MZ NA SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LU MC NL PL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
WWE | Wipo information: entry into national phase |
Ref document number: 2004769193 Country of ref document: EP |
|
WWP | Wipo information: published in national office |
Ref document number: 2004769193 Country of ref document: EP |
|
WWW | Wipo information: withdrawn in national office |
Ref document number: 2004769193 Country of ref document: EP |