ZA953627B - Controlled-release dosage forms of azithromycin - Google Patents

Controlled-release dosage forms of azithromycin

Info

Publication number
ZA953627B
ZA953627B ZA953627A ZA953627A ZA953627B ZA 953627 B ZA953627 B ZA 953627B ZA 953627 A ZA953627 A ZA 953627A ZA 953627 A ZA953627 A ZA 953627A ZA 953627 B ZA953627 B ZA 953627B
Authority
ZA
South Africa
Prior art keywords
azithromycin
controlled
dosage forms
release dosage
release
Prior art date
Application number
ZA953627A
Other languages
English (en)
Inventor
William J Curatolo
Hylar L Friedman
Richard W Korsmeyer
Steven R Le Mott
Original Assignee
Pfizer
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22900590&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ZA953627(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Pfizer filed Critical Pfizer
Publication of ZA953627B publication Critical patent/ZA953627B/xx

Links

Classifications

    • 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
    • A61K31/70—Carbohydrates; Sugars; Derivatives thereof
    • 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
    • A61K31/70—Carbohydrates; Sugars; Derivatives thereof
    • A61K31/7042—Compounds having saccharide radicals and heterocyclic rings
    • A61K31/7048—Compounds having saccharide radicals and heterocyclic rings having oxygen as a ring hetero atom, e.g. leucoglucosan, hesperidin, erythromycin, nystatin, digitoxin or digoxin
    • 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
    • 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
    • A61K9/0002—Galenical forms characterised by the drug release technique; Application systems commanded by energy
    • A61K9/0004—Osmotic delivery systems; Sustained release driven by osmosis, thermal energy or gas
    • 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
    • A61K9/20—Pills, tablets, discs, rods
    • 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
    • A61K9/20—Pills, tablets, discs, rods
    • A61K9/2004—Excipients; Inactive ingredients
    • A61K9/2022—Organic macromolecular compounds
    • A61K9/205—Polysaccharides, e.g. alginate, gums; Cyclodextrin
    • A61K9/2054—Cellulose; Cellulose derivatives, e.g. hydroxypropyl methylcellulose
    • 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
    • A61K9/20—Pills, tablets, discs, rods
    • A61K9/28—Dragees; Coated pills or tablets, e.g. with film or compression coating
    • 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
    • A61K9/48—Preparations in capsules, e.g. of gelatin, of chocolate
    • A61K9/50—Microcapsules 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
    • A61K9/5005—Wall or coating material
    • A61K9/5021—Organic macromolecular compounds
    • A61K9/5036—Polysaccharides, e.g. gums, alginate; Cyclodextrin
    • A61K9/5042—Cellulose; Cellulose derivatives, e.g. phthalate or acetate succinate esters of hydroxypropyl methylcellulose
    • A61K9/5047—Cellulose ethers containing no ester groups, e.g. hydroxypropyl methylcellulose
    • 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
    • A61K9/48—Preparations in capsules, e.g. of gelatin, of chocolate
    • A61K9/50—Microcapsules 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
    • A61K9/5073—Microcapsules 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 having two or more different coatings optionally including drug-containing subcoatings
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
    • A61P31/04—Antibacterial agents
ZA953627A 1994-05-06 1995-05-05 Controlled-release dosage forms of azithromycin ZA953627B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US23909494A 1994-05-06 1994-05-06

Publications (1)

Publication Number Publication Date
ZA953627B true ZA953627B (en) 1996-11-05

Family

ID=22900590

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA953627A ZA953627B (en) 1994-05-06 1995-05-05 Controlled-release dosage forms of azithromycin

Country Status (42)

Country Link
US (2) US6068859A (zh)
EP (1) EP0758244B2 (zh)
JP (1) JP2977907B2 (zh)
KR (1) KR100232297B1 (zh)
CN (1) CN1096862C (zh)
AP (1) AP548A (zh)
AT (1) ATE209497T1 (zh)
AU (1) AU680356B2 (zh)
BG (1) BG63152B1 (zh)
BR (1) BR9501929A (zh)
CA (1) CA2189658C (zh)
CO (1) CO4290346A1 (zh)
CZ (1) CZ292360B6 (zh)
DE (1) DE69524214T3 (zh)
DK (1) DK0758244T4 (zh)
DZ (1) DZ1880A1 (zh)
ES (1) ES2163504T5 (zh)
FI (1) FI964452A0 (zh)
HR (1) HRP950277B1 (zh)
HU (1) HUT77530A (zh)
IL (3) IL131308A (zh)
IS (1) IS4282A (zh)
LV (1) LV11729B (zh)
MA (1) MA23537A1 (zh)
MX (1) MX9605419A (zh)
MY (1) MY113059A (zh)
NO (1) NO315453B1 (zh)
NZ (1) NZ283160A (zh)
OA (1) OA10320A (zh)
PE (1) PE4796A1 (zh)
PL (1) PL179910B1 (zh)
PT (1) PT758244E (zh)
RO (1) RO114740B1 (zh)
RU (1) RU2130311C1 (zh)
SI (1) SI9520049A (zh)
SK (1) SK282854B6 (zh)
TN (1) TNSN95051A1 (zh)
TW (1) TW420616B (zh)
UA (1) UA41995C2 (zh)
UY (1) UY23958A1 (zh)
WO (1) WO1995030422A1 (zh)
ZA (1) ZA953627B (zh)

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