Patent ID: 8940311
Filing Date: 2015-01-27
Classification: A61K,A61P

Abstract:
1. A method of introducing a drug or therapeutic agent to a specific site within an animal comprising: introducing to a specific site in an animal a microsphere-hydrogel mixture comprising: a plurality polymer microspheres comprising a drug or therapeutic agent, said microspheres suspended in a dispersion within a temperature sensitive hydrogel, wherein said hydrogel is comprised of at least 15% but no more than 20% synthetic polymer and at least 0.2% but no more than 1% hyaluronic acid and the hydrogel is in liquid state at or about room temperature and a solid or gelatinous state at or about body temperature, wherein said microspheres comprise between about 10% and about 50% of the microsphere-hydrogel mixture, wherein said drug or therapeutic agent is from about 0.1% to about 70% of said microsphere, hydrogel or microsphere-hydrogel mixture and wherein the drug or therapeutic agent is released at said site.