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US Patent 9980911 Bioerodible silicon-based compositions for delivery of therapeutic agents

Patent 9980911 was granted and assigned to PSivida on May, 2018 by the United States Patent and Trademark Office.

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Current Assignee
PSivida
PSivida
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
9980911
Date of Patent
May 29, 2018
Patent Application Number
15143283
Date Filed
April 29, 2016
Patent Primary Examiner
‌
Gina C Justice
Patent abstract

The invention comprises a composition comprising a bioerodible porous silicon-based carrier material wherein the carrier material carries at least one large molecule therapeutic agent and at least one amorphous sugar, optionally further comprising a crystallization inhibitor. The composition may be used in vitro or in vivo to deliver the therapeutic agent, preferably in a controlled fashion over an intended period of time such as over multiple days, weeks or months. The composition may be used for treating or preventing conditions of a patient such as chronic diseases.

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