CA2039456A1 - Osmotic dosage system for liquid drug delivery - Google Patents

Osmotic dosage system for liquid drug delivery

Info

Publication number
CA2039456A1
CA2039456A1 CA002039456A CA2039456A CA2039456A1 CA 2039456 A1 CA2039456 A1 CA 2039456A1 CA 002039456 A CA002039456 A CA 002039456A CA 2039456 A CA2039456 A CA 2039456A CA 2039456 A1 CA2039456 A1 CA 2039456A1
Authority
CA
Canada
Prior art keywords
drug delivery
liquid drug
osmotic dosage
dosage system
beneficial agent
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
CA002039456A
Other languages
French (fr)
Other versions
CA2039456C (en
Inventor
Patrick S.-L. Wong
Felix Theeuwes
Brian L. Barclay
Michael Howard Dealey
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Alza Corp
Original Assignee
Alza Corp
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 Alza Corp filed Critical Alza Corp
Publication of CA2039456A1 publication Critical patent/CA2039456A1/en
Application granted granted Critical
Publication of CA2039456C publication Critical patent/CA2039456C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • A61K9/0002—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

Abstract

An osmotic system (10) is disclosed for delivering a beneficial agent formulation (16) to an environment of use. The osmotic system (10) comprises (a) an outside semipermeable wall (12), (b) a middle osmotically active layer (13), (c) a capsule (14) comprising a liquid formulation comprising a beneficial agent (16), and (d) a passageway (21) for dispensing the beneficial agent (16) from the osmotic system (10).
CA002039456A 1990-04-02 1991-03-28 Osmotic dosage system for liquid drug delivery Expired - Fee Related CA2039456C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US502,705 1990-04-02
US07/502,705 US5324280A (en) 1990-04-02 1990-04-02 Osmotic dosage system for delivering a formulation comprising liquid carrier and drug

Publications (2)

Publication Number Publication Date
CA2039456A1 true CA2039456A1 (en) 1991-10-03
CA2039456C CA2039456C (en) 2003-11-11

Family

ID=23999024

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002039456A Expired - Fee Related CA2039456C (en) 1990-04-02 1991-03-28 Osmotic dosage system for liquid drug delivery

Country Status (17)

Country Link
US (2) US5324280A (en)
EP (1) EP0523172B1 (en)
JP (1) JP2927956B2 (en)
KR (1) KR0176724B1 (en)
AT (1) ATE116543T1 (en)
AU (1) AU645315B2 (en)
CA (1) CA2039456C (en)
DE (1) DE69106501T2 (en)
DK (1) DK0523172T3 (en)
ES (1) ES2075444T3 (en)
FI (1) FI924419A0 (en)
IE (1) IE62394B1 (en)
NO (1) NO923756L (en)
NZ (1) NZ237642A (en)
PT (1) PT97203B (en)
WO (1) WO1991015196A1 (en)
ZA (1) ZA912380B (en)

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EP0523172A1 (en) 1993-01-20
PT97203B (en) 1999-03-31
US5324280A (en) 1994-06-28
IE911040A1 (en) 1991-10-09
AU7673791A (en) 1991-10-30
WO1991015196A1 (en) 1991-10-17
JPH07502252A (en) 1995-03-09
DK0523172T3 (en) 1995-07-10
NO923756L (en) 1992-12-02
DE69106501T2 (en) 1995-05-11
PT97203A (en) 1991-12-31
DE69106501D1 (en) 1995-02-16
EP0523172B1 (en) 1995-01-04
CA2039456C (en) 2003-11-11
NO923756D0 (en) 1992-09-28
NZ237642A (en) 1993-07-27
US5413572A (en) 1995-05-09
AU645315B2 (en) 1994-01-13
ES2075444T3 (en) 1995-10-01
ZA912380B (en) 1992-01-29
FI924419A (en) 1992-10-01
IE62394B1 (en) 1995-01-25
KR0176724B1 (en) 1999-03-20
FI924419A0 (en) 1992-10-01
ATE116543T1 (en) 1995-01-15
JP2927956B2 (en) 1999-07-28

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