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Last Updated: July 25, 2021

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Details for Patent: 6,479,065


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Summary for Patent: 6,479,065
Title: Process for the preparation of polymer-based sustained release compositions
Abstract:The invention relates to a sustained release composition and methods of forming and using said composition for the sustained release of biologically active agent. The sustained release compositions of the invention comprise a biocompatible polymer and a biologically active agent characterized by a porous center and a less porous outer layer wherein the center and outer layer consist of essentially the same materials. The sustained release compositions can be prepared by annealing at least a substantial portion of the exterior surface of a polymer/active agent matrix. The compositions which have been annealed exhibit a decrease in the release of agent over the first 24 hours following administration (i.e., reduced burst) and as a result can show an increase in the duration of sustained release thereby providing increased therapeutic benefits.
Inventor(s): Jaworowicz; Warren E. (Boxboro, MA), Wright; James I. (Lexington, MA)
Assignee: Alkermes Controlled Therapeutics, Inc. (Cambridge, MA)
Application Number:09/801,272
Patent Claim Types:
see list of patent claims
Composition; Use;

Drugs Protected by US Patent 6,479,065

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Patented / Exclusive Use >Submissiondate

International Family Members for US Patent 6,479,065

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia 7812301 ⤷  Try it Free
World Intellectual Property Organization (WIPO) 0213783 ⤷  Try it Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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Serving leading biopharmaceutical companies globally:

Baxter
McKinsey
Express Scripts
AstraZeneca
Merck
Johnson and Johnson

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