RU2000124537A - METHOD FOR PRODUCING SPHERICAL GRANULES COVERED - Google Patents

METHOD FOR PRODUCING SPHERICAL GRANULES COVERED

Info

Publication number
RU2000124537A
RU2000124537A RU2000124537/14A RU2000124537A RU2000124537A RU 2000124537 A RU2000124537 A RU 2000124537A RU 2000124537/14 A RU2000124537/14 A RU 2000124537/14A RU 2000124537 A RU2000124537 A RU 2000124537A RU 2000124537 A RU2000124537 A RU 2000124537A
Authority
RU
Russia
Prior art keywords
polymer
coated
preceding paragraphs
spherical granules
active substance
Prior art date
Application number
RU2000124537/14A
Other languages
Russian (ru)
Other versions
RU2209060C2 (en
Inventor
Торстен Вагнер
Original Assignee
Шеринг Акциенгезельшафт
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
Priority claimed from DE19808634A external-priority patent/DE19808634A1/en
Application filed by Шеринг Акциенгезельшафт filed Critical Шеринг Акциенгезельшафт
Publication of RU2000124537A publication Critical patent/RU2000124537A/en
Application granted granted Critical
Publication of RU2209060C2 publication Critical patent/RU2209060C2/en

Links

Claims (10)

1. Способ получения покрытых оболочкой сферических гранул, заключающийся в том, что: а) в псевдоожиженном или в кипящем слое на содержащие активное вещество сырые сферические гранулы из по меньшей мере одного фармацевтического активного вещества и необязательно фармацевтически приемлемых добавок и/или носителей наносят напылением полимерную дисперсию и аддитивы, при этом в состав дисперсии в качестве полимера входит этилцеллюлоза и/или эфир поли(мет)акриловой кислоты, б) полимерную дисперсию наносят с толщиной полимера в пределах 1 - 5 об. /об. % от общей массы, причем общая масса соответствует составу покрытых оболочкой гранул, в) покрытые полимерной оболочкой сферические гранулы подвергают термостатированию при температуре в интервале 45 - 65oС, г) термостатирование покрытых полимерной оболочкой сферических гранул проводят по меньшей мере в течение 24 ч и д) в качестве фармацевтического активного вещества применяют производное простана.1. A method for producing a coated spherical granule, the method comprising: a) in a fluidized or fluidized bed, the raw spherical granules containing the active substance from at least one pharmaceutical active substance and optionally pharmaceutically acceptable additives and / or carriers are spray-coated with a polymer dispersion and additives, while the composition of the dispersion includes ethyl cellulose and / or poly (meth) acrylic acid ester as a polymer, b) the polymer dispersion is applied with a polymer thickness in the range of 1 - 5 vol . /about. % of the total mass, with the total mass corresponding to the composition of the coated granules, c) the polymer-coated spherical granules are subjected to temperature control at a temperature in the range of 45 - 65 ° C, d) the polymer-coated spherical granules are incubated at least 24 hours and d) a prostane derivative is used as a pharmaceutical active substance. 2. Способ по п. 1, в котором на сферические гранулы наносят оболочку прямоточным методом. 2. The method according to p. 1, in which spherical granules are coated by a direct-flow method. 3. Способ по п. 2, в котором с помощью по меньшей мере одного или двух сопел полимерную дисперсию и необязательно добавленные аддитивы распыляют в псевдоожиженный или кипящий слой. 3. The method of claim 2, wherein using at least one or two nozzles, the polymer dispersion and optionally added additives are sprayed into a fluidized or fluidized bed. 4. Способ по любому из пп. 1-3, в котором покрытые оболочкой сферические гранулы затем инкапсулируют, заключая в капсулу пролонгированного действия либо в таблетку. 4. The method according to any one of paragraphs. 1-3, in which the coated spherical granules are then encapsulated, encapsulated in a prolonged-action capsule or tablet. 5. Способ по любому из предыдущих пунктов, в котором в качестве носителя используют циклодекстрин. 5. The method according to any one of the preceding paragraphs, in which cyclodextrin is used as a carrier. 6. Способ по любому из предыдущих пунктов, в котором в качестве активного вещества применяют 5-(Е)-(1S, 5S, 6R)-7-гидрокси-6[(Е)-(3S, 4RS)-3-гидрокси-4-метил-1-октен-6-инил] бицикло[3.3.0] октен-3-илиденпентановую кислоту, а в качестве добавки используют по меньшей мере циклодекстрин. 6. The method according to any one of the preceding paragraphs, in which 5- (E) - (1S, 5S, 6R) -7-hydroxy-6 [(E) - (3S, 4RS) -3-hydroxy- is used as the active substance 4-methyl-1-octene-6-ynyl] bicyclo [3.3.0] octen-3-ylidenepentanoic acid, and at least cyclodextrin is used as an additive. 7. Способ по любому из предыдущих пунктов, в котором фармацевтические активные вещества применяют в низкой дозировке. 7. The method according to any one of the preceding paragraphs, in which the pharmaceutical active substances are used in a low dosage. 8. Способ по любому из предыдущих пунктов, в котором полимерную оболочку наносят толщиной 1,5 - 4 об. /об. % от общей массы. 8. The method according to any one of the preceding paragraphs, in which the polymer shell is applied with a thickness of 1.5 to 4 vol. /about. % of the total mass. 9. Способ по любому из предыдущих пунктов, в котором термостатирование проводят при температуре в интервале 45 - 62oС.9. The method according to any one of the preceding paragraphs, in which thermostating is carried out at a temperature in the range of 45 - 62 o C. 10. Способ по любому из предыдущих пунктов, в котором термостатирование проводят по меньшей мере в течение 48±5 ч. 10. The method according to any one of the preceding paragraphs, in which thermostating is carried out for at least 48 ± 5 hours
RU2000124537/14A 1998-02-24 1999-02-24 Method for obtaining membrane-covered spherical granules of prostane RU2209060C2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19808634.2 1998-02-24
DE19808634A DE19808634A1 (en) 1998-02-24 1998-02-24 Production of pharmaceutical pellets, especially containing iloprost, with stabilized release properties

Publications (2)

Publication Number Publication Date
RU2000124537A true RU2000124537A (en) 2002-09-10
RU2209060C2 RU2209060C2 (en) 2003-07-27

Family

ID=7859315

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2000124537/14A RU2209060C2 (en) 1998-02-24 1999-02-24 Method for obtaining membrane-covered spherical granules of prostane

Country Status (18)

Country Link
US (1) US6723372B1 (en)
EP (1) EP1058542B1 (en)
JP (1) JP2002504506A (en)
KR (1) KR100623542B1 (en)
AT (1) ATE303133T1 (en)
AU (1) AU753261B2 (en)
CA (1) CA2321969C (en)
CZ (1) CZ299252B6 (en)
DE (2) DE19808634A1 (en)
DK (1) DK1058542T3 (en)
ES (1) ES2247786T3 (en)
HU (1) HU226066B1 (en)
IL (1) IL137965A (en)
NO (1) NO20004225L (en)
PL (1) PL193071B1 (en)
RU (1) RU2209060C2 (en)
SK (1) SK284062B6 (en)
WO (1) WO1999043303A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19828881A1 (en) 1998-06-22 1999-12-23 Schering Ag Industrial preparation of prostane derivatives, especially iloprost, having reduced content of decomposition products
US8323692B2 (en) 2002-02-21 2012-12-04 Valeant International Bermuda Controlled release dosage forms
ES2272914T3 (en) 2003-05-20 2007-05-01 Ethypharm ORAL PHARMACEUTICAL COMPOSITION OF SUSTAINED LIBERATION.
US8318230B2 (en) * 2005-05-02 2012-11-27 Henkel Ag & Co. Kgaa Use of debranched starch in extrusion-spheronization pharmaceutical pellets
EP1956013B1 (en) 2005-11-30 2016-04-13 Fujifilm RI Pharma Co., Ltd. Diagnostic and remedy for disease caused by amyloid aggregation and/or deposition
RU2702690C2 (en) * 2015-08-13 2019-10-09 БИОЛИНГУС АйПи ЛЛСи Method of producing products containing stabilized active substances and compositions containing thereof
CN106822013B (en) * 2015-11-30 2020-05-12 北京泰德制药股份有限公司 Sustained release formulations of prostacyclin analogs

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA935093A (en) 1969-07-28 1973-10-09 Eurand S.R.L. Method of preparing granules with controlled release of the active substance contained therein
DE3608088C2 (en) * 1986-03-07 1995-11-16 Schering Ag Pharmaceutical preparations containing cyclodextrin clathrates of carbacyclin derivatives
DE3622487A1 (en) 1986-07-02 1988-01-14 Schering Ag MEDICINAL PRODUCTS WITH DELAYED DELIVERY OF ACTIVE SUBSTANCES
US5286494A (en) * 1986-07-02 1994-02-15 Schering Aktiengesellschaft Medicinal agents with sustained action
US5286493A (en) * 1992-01-27 1994-02-15 Euroceltique, S.A. Stabilized controlled release formulations having acrylic polymer coating
JP3277342B2 (en) * 1992-09-02 2002-04-22 武田薬品工業株式会社 Manufacturing method of sustained release microcapsules
PH30929A (en) * 1992-09-03 1997-12-23 Janssen Pharmaceutica Nv Beads having a core coated with an antifungal and a polymer.
US5376384A (en) * 1992-12-23 1994-12-27 Kinaform Technology, Inc. Delayed, sustained-release pharmaceutical preparation
FI94926C (en) * 1993-11-12 1995-11-27 Leiras Oy Method for preparing a clodronate preparation
US5958458A (en) * 1994-06-15 1999-09-28 Dumex-Alpharma A/S Pharmaceutical multiple unit particulate formulation in the form of coated cores
JPH10139659A (en) 1996-09-10 1998-05-26 Freunt Ind Co Ltd Spherical particle group, its production and spherical particle formulation using the same

Similar Documents

Publication Publication Date Title
US4935247A (en) Composition for the oral administration of pharmaceuticals
US4138475A (en) Sustained release pharmaceutical composition
SE8603247L (en) GRANULATED FORM WITH DELAYED RELEASE OF PHARMACEUTICAL ACTIVE SUBSTANCES
CA2304809A1 (en) Process for the preparation of hydroxy substituted gamma butyrolactones
JPH0428691B2 (en)
DE69310484D1 (en) Powdered, stabilized active substances, compositions containing them Process for their preparation and their use
ATE84705T1 (en) A FREE-FLOWING GRANULE CONTAINING IBUPROFEN AND A METHOD OF MANUFACTURE.
RU2000124537A (en) METHOD FOR PRODUCING SPHERICAL GRANULES COVERED
RU2004121142A (en) ABSORBED PRODUCT WITH SMOOTH COATING
US4223006A (en) Coated particles
EP0418597A2 (en) Controlled release carbonic anhydrase inhibitor containing pharmaceutical compositions from spherical granules in capsule oral dosage unit form
CN101601663A (en) Multi-unit sustained-release preparation of levetiracetam and preparation method thereof
RU2000131588A (en) PHARMACEUTICAL COMPOSITION
RU95107880A (en) SOLID PHARMACEUTICAL FORM
CN101890004A (en) Amoxicillin/potassium clavulanate sustained-release preparation composition and preparation method thereof
RU2075310C1 (en) Pharmaceutical composition
CA2321969A1 (en) Process for the production of encased, spherical granular grains
CN1090477C (en) Ibuprofen-containing solid composition
KR880002510A (en) Multi-Granis Persistent Tablets
CN1058337A (en) The tablet and the medicine grain that contain mistabrom sodium
JPS6419025A (en) Active substance release-delayed oral medicine
KR890701032A (en) Self-stabilized Dipeptide Sweeteners
SU1478993A3 (en) Method of producing microgranules
CN1235571C (en) Chitosan and fibroin mixed microsphere and its usage and preparing process
GB2190287A (en) Oral ketoprofen formulation