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Last Updated: March 26, 2025

Claims for Patent: 8,461,105

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Summary for Patent: 8,461,105

Title:	Polymer-based sustained release device
Abstract:	This invention relates to compositions for the sustained release of biologically active polypeptides, and methods of forming and using said compositions, for the sustained release of biologically active polypeptides. The sustained release compositions of this invention comprise a biocompatible polymer having dispersed therein, a biologically active polypeptide and a sugar.
Inventor(s):	Wright; Steven G. (Madeira, OH), Christensen; Troy (Mason, OH), Yeoh; Thean (Salem, CT), Rickey; Michael E. (Morrow, OH), Hotz; Joyce M. (Cincinnati, OH), Kumar; Rajesh (Marlborough, MA), Costantino; Henry R. (Woodinville, WA)
Assignee:	Alkermes Pharma Ireland Limited (Dublin, IE)
Application Number:	12/585,574
Patent Claims:	1. An injectable composition for sustained release of a glucoregulatory polypeptide, comprising: a biocompatible polymer having the glucoregulatory polypeptide dispersed therein so as to be present at about 0.5 to 5% (w/w) of the weight of the composition, and a sugar dispersed therein so as to be present at about 0.1 to 5% (w/w) of the weight of the composition, wherein the injectable composition is free from additional ingredients that alter the rate of release of the glucoregulatory polypeptide from the injectable composition. 2. The injectable composition of claim 1, wherein the composition has a release profile in which the C.sub.max of the glucoregulatory peptide occurs between day 21 and day 28. 3. A method of treating a patient suffering from Type 2 diabetes, comprising administering a therapeutically effective amount of the injectable composition of claim 1. 4. A method of treating a patient suffering from a condition selected from the group consisting of Type 2 diabetes, impaired glucose tolerance, obesity, and cardiovascular disorder, the method comprising administering a therapeutically effective amount of the injectable composition of claim 1. 5. The method of claim 4, wherein the composition has a release profile in which the C.sub.max of the glucoregulatory peptide occurs between day 21 and day 28.

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