Controlled release-initiation and controlled release-rate pharmaceutical composition
AssigneeSS Pharmaceutical Co., Ltd.
InventorsMinoru Okada, Kenji Ono, Shuichi Kasai, Akira Iwasa
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Abstract
A controlled release-initiation and controlled release-rate pharmaceutical composition in which a drug-containing composition is coated with a membrane layer comprising a water insoluble high polymer and silicone. The starting time for the release of drugs from the controlled release-initiation and controlled release-rate pharmaceutical composition of this invention and the drug-releasing rate thereafter can be controlled at will.
Claims22
A controlled release-initiation and controlled release-rate pharmaceutical composition comprising a drug-containing composition coated with a membrane layer comprising a water insoluble polymer and at least 5% by weight of a silicone, based on the weight of the water insoluble polymer.
A method for administering a time-released drug comprising the step of:
- administering a therapeutically-effective amount of a drug-containing composition coated with a membrane layer comprising a water insoluble polymer and at least 5% by weight of a silicone, based on the weight of the water insoluble polymer, to a person in need of such a drug-containing composition.
Dependencies are inferred from the claim text.