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sustained release non-steroidal, anti-inflammatory and lidocaine PLGA microspheres

  • US 6,217,911 B1
  • Filed: 07/05/1996
  • Issued: 04/17/2001
  • Est. Priority Date: 05/22/1995
  • Status: Expired due to Fees
First Claim
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1. A controlled release microcapsule pharmaceutical formulation for burst-free, sustained, programmable release of a non-steroidal, antiinflammatory drug over a duration from 24 hours to 2 months, comprising a non-steroidal, antiinflammatory drug, and a mixture of uncapped biocompatible, biodegradable poly (lactide/glycolide) polymer and end-capped biocompatible, biodegradable poly (lactide/glycolide) polymer.

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