GB2150434B - Constant rate release systems - Google Patents

Constant rate release systems

Info

Publication number
GB2150434B
GB2150434B GB08426842A GB8426842A GB2150434B GB 2150434 B GB2150434 B GB 2150434B GB 08426842 A GB08426842 A GB 08426842A GB 8426842 A GB8426842 A GB 8426842A GB 2150434 B GB2150434 B GB 2150434B
Authority
GB
United Kingdom
Prior art keywords
constant rate
release systems
rate release
systems
constant
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.)
Expired
Application number
GB08426842A
Other versions
GB2150434A (en
GB8426842D0 (en
Inventor
Paul R Magruder
Brian Barclay
Patrick S L Wong
Felix Theeuwes
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 GB8426842D0 publication Critical patent/GB8426842D0/en
Publication of GB2150434A publication Critical patent/GB2150434A/en
Application granted granted Critical
Publication of GB2150434B publication Critical patent/GB2150434B/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M31/00—Devices for introducing or retaining media, e.g. remedies, in cavities of the body
    • A61M31/002—Devices for releasing a drug at a continuous and controlled rate for a prolonged period of time
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Animal Behavior & Ethology (AREA)
  • Chemical & Material Sciences (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Medicinal Chemistry (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Anesthesiology (AREA)
  • Hematology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biomedical Technology (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Epidemiology (AREA)
  • Medicinal Preparation (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
GB08426842A 1983-12-01 1984-10-24 Constant rate release systems Expired GB2150434B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US55698583A 1983-12-01 1983-12-01

Publications (3)

Publication Number Publication Date
GB8426842D0 GB8426842D0 (en) 1984-11-28
GB2150434A GB2150434A (en) 1985-07-03
GB2150434B true GB2150434B (en) 1987-11-04

Family

ID=24223601

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08426842A Expired GB2150434B (en) 1983-12-01 1984-10-24 Constant rate release systems

Country Status (7)

Country Link
JP (2) JP2504396B2 (en)
CA (1) CA1251708A (en)
DE (1) DE3443586C2 (en)
ES (4) ES8602390A1 (en)
FR (1) FR2555897B1 (en)
GB (1) GB2150434B (en)
IT (1) IT1179843B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH075457B2 (en) * 1983-08-16 1995-01-25 ザ ウエルカム フアウンデ−シヨン リミテツド Pharmaceutical composition allowing the release of the active ingredient in a controlled manner
FR2598614A1 (en) * 1986-05-14 1987-11-20 Alza Corp Osmotic system for the controlled supply of haloperidol
US4627851A (en) * 1984-10-26 1986-12-09 Alza Corporation Colonic-therapeutic delivery system
US4723958A (en) * 1986-05-23 1988-02-09 Merck & Co., Inc. Pulsatile drug delivery system
DD295760A5 (en) * 1989-01-31 1991-11-14 Martin-Luther-Universitaet Halle Wittenberg,De DRUG DISTRIBUTION SYSTEM WITH COTROLLED ACTIVE INGREDIENT TRANSFER
HU205851B (en) * 1989-01-31 1992-07-28 Int Pharma Agentur Systhem of regulated release of the active components and process for producing it
JP4848101B2 (en) * 2001-08-17 2011-12-28 株式会社フジモト・コーポレーション Sustained release micropellet
WO2010015840A1 (en) * 2008-08-08 2010-02-11 Cipla Limited Osmotic delivery device with modified release

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU466503B2 (en) * 1972-06-05 1975-10-30 Alza Corporation Osmotic dispenser
US3952741A (en) * 1975-01-09 1976-04-27 Bend Research Inc. Controlled release delivery system by an osmotic bursting mechanism
US4036228A (en) * 1975-09-11 1977-07-19 Alza Corporation Osmotic dispenser with gas generating means
US4265874A (en) * 1980-04-25 1981-05-05 Alza Corporation Method of delivering drug with aid of effervescent activity generated in environment of use
US4326525A (en) * 1980-10-14 1982-04-27 Alza Corporation Osmotic device that improves delivery properties of agent in situ

Also Published As

Publication number Publication date
IT1179843B (en) 1987-09-16
GB2150434A (en) 1985-07-03
IT8468196A1 (en) 1986-05-30
ES293000U (en) 1986-07-01
JP2504396B2 (en) 1996-06-05
JPH0733642A (en) 1995-02-03
JPS60185711A (en) 1985-09-21
ES295960U (en) 1988-01-01
FR2555897A1 (en) 1985-06-07
FR2555897B1 (en) 1988-05-13
GB8426842D0 (en) 1984-11-28
DE3443586A1 (en) 1985-06-13
ES538104A0 (en) 1985-12-01
DE3443586C2 (en) 1996-09-05
ES8602390A1 (en) 1985-12-01
IT8468196A0 (en) 1984-11-30
ES295960Y (en) 1988-07-16
ES8801984A1 (en) 1988-03-16
CA1251708A (en) 1989-03-28
JP2683493B2 (en) 1997-11-26
ES546059A0 (en) 1988-03-16
ES293000Y (en) 1987-03-16

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Effective date: 20041023