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Last Updated: November 22, 2019

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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
Astrazeneca Ab BYDUREON exenatide synthetic FOR SUSPENSION, EXTENDED RELEASE;SUBCUTANEOUS 022200-001 Jan 27, 2012 RX Yes Yes   Start Trial   Start Trial Y   Start Trial
Astrazeneca Ab BYDUREON PEN exenatide synthetic FOR SUSPENSION, EXTENDED RELEASE;SUBCUTANEOUS 022200-002 Feb 28, 2014 RX Yes Yes   Start Trial   Start Trial Y   Start Trial
Astrazeneca Ab BYDUREON BCISE exenatide SUSPENSION, EXTENDED RELEASE;SUBCUTANEOUS 209210-001 Oct 20, 2017 RX Yes Yes   Start Trial   Start Trial Y   Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Patented / Exclusive Use >Submissiondate

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