LT3277B - Prolonged release pharmaceutical preparation, polymeric composition as base for it and process for preparing thereof - Google Patents

Prolonged release pharmaceutical preparation, polymeric composition as base for it and process for preparing thereof Download PDF

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Publication number
LT3277B
LT3277B LTIP442A LTIP442A LT3277B LT 3277 B LT3277 B LT 3277B LT IP442 A LTIP442 A LT IP442A LT IP442 A LTIP442 A LT IP442A LT 3277 B LT3277 B LT 3277B
Authority
LT
Lithuania
Prior art keywords
acid
copolymer
release
microcapsules
glycolic acid
Prior art date
Application number
LTIP442A
Other languages
English (en)
Lithuanian (lt)
Inventor
Minoru Yamada
Seiko Ishiguro
Yasuaki Ogawa
Original Assignee
Takeda Chemical Industries Ltd
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 Takeda Chemical Industries Ltd filed Critical Takeda Chemical Industries Ltd
Publication of LTIP442A publication Critical patent/LTIP442A/xx
Publication of LT3277B publication Critical patent/LT3277B/lt

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/74Synthetic polymeric materials
    • A61K31/745Polymers of hydrocarbons
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/48Preparations in capsules, e.g. of gelatin, of chocolate
    • A61K9/50Microcapsules having a gas, liquid or semi-solid filling; Solid microparticles or pellets surrounded by a distinct coating layer, e.g. coated microspheres, coated drug crystals
    • A61K9/5005Wall or coating material
    • A61K9/5021Organic macromolecular compounds
    • A61K9/5031Organic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyethylene glycol, poly(lactide-co-glycolide)
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/14Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles
    • A61K9/16Agglomerates; Granulates; Microbeadlets ; Microspheres; Pellets; Solid products obtained by spray drying, spray freeze drying, spray congealing,(multiple) emulsion solvent evaporation or extraction
    • A61K9/1605Excipients; Inactive ingredients
    • A61K9/1629Organic macromolecular compounds
    • A61K9/1641Organic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyethylene glycol, poloxamers
    • A61K9/1647Polyesters, e.g. poly(lactide-co-glycolide)
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L67/00Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
    • C08L67/04Polyesters derived from hydroxycarboxylic acids, e.g. lactones

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Public Health (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Veterinary Medicine (AREA)
  • Organic Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Preparation (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
LTIP442A 1990-10-16 1993-03-19 Prolonged release pharmaceutical preparation, polymeric composition as base for it and process for preparing thereof LT3277B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP27803790 1990-10-16
JP21704591 1991-08-28

Publications (2)

Publication Number Publication Date
LTIP442A LTIP442A (en) 1994-11-25
LT3277B true LT3277B (en) 1995-05-25

Family

ID=26521778

Family Applications (1)

Application Number Title Priority Date Filing Date
LTIP442A LT3277B (en) 1990-10-16 1993-03-19 Prolonged release pharmaceutical preparation, polymeric composition as base for it and process for preparing thereof

Country Status (24)

Country Link
US (1) US5304377A (sv)
EP (1) EP0481732B1 (sv)
JP (1) JP3196035B2 (sv)
KR (1) KR100199119B1 (sv)
CN (2) CN1043189C (sv)
AT (1) ATE119035T1 (sv)
AU (1) AU644019B2 (sv)
CA (1) CA2053468C (sv)
DE (1) DE69107773T2 (sv)
DK (1) DK0481732T3 (sv)
EE (1) EE02958B1 (sv)
ES (1) ES2069221T3 (sv)
FI (1) FI101454B (sv)
GE (1) GEP19981287B (sv)
IE (1) IE66705B1 (sv)
LT (1) LT3277B (sv)
LV (1) LV10055B (sv)
MX (1) MX9101595A (sv)
NO (1) NO302481B1 (sv)
NZ (1) NZ240214A (sv)
PT (1) PT99236B (sv)
RU (1) RU2103005C1 (sv)
UA (1) UA27707C2 (sv)
ZA (1) ZA918168B (sv)

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FI101454B1 (sv) 1998-06-30
LTIP442A (en) 1994-11-25
CN1043189C (zh) 1999-05-05
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ZA918168B (en) 1993-04-14
JPH05112468A (ja) 1993-05-07
CA2053468A1 (en) 1992-04-17
GEP19981287B (en) 1998-09-01
LV10055B (en) 1995-02-20
NO914032D0 (no) 1991-10-14
UA27707C2 (uk) 2000-10-16
DE69107773T2 (de) 1995-06-29
RU2103005C1 (ru) 1998-01-27
KR100199119B1 (ko) 1999-06-15
KR920007632A (ko) 1992-05-27
NZ240214A (en) 1993-02-25
PT99236A (pt) 1992-09-30
EP0481732A1 (en) 1992-04-22
EE02958B1 (et) 1997-02-17
AU644019B2 (en) 1993-12-02
IE913624A1 (en) 1992-04-22
AU8586491A (en) 1992-04-30
CN1060851A (zh) 1992-05-06
DE69107773D1 (de) 1995-04-06
FI914865A0 (fi) 1991-10-15
FI914865A (fi) 1992-04-17
DK0481732T3 (da) 1995-05-22
PT99236B (pt) 1999-04-30
FI101454B (sv) 1998-06-30
NO914032L (no) 1992-04-21
MX9101595A (es) 1992-06-05
ES2069221T3 (es) 1995-05-01
NO302481B1 (no) 1998-03-09
CA2053468C (en) 2002-07-09
ATE119035T1 (de) 1995-03-15
CN1057670C (zh) 2000-10-25
US5304377A (en) 1994-04-19
EP0481732B1 (en) 1995-03-01
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CN1116212A (zh) 1996-02-07
LV10055A (lv) 1994-05-10

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