Sustained-release compositions - Patent Pending

United States Patent Application 20050084537
Kind Code A1
Martyn, Glen Patrick ; et al. April 21, 2005
Sustained-release compositions
Abstract
Microparticles comprise a therapeutic agent dispersed within a polymer matrix, the matrix comprising a first polymer of hyaluronic acid and a second polymer of either a non-ionic polymer, a polymeric gum or a combination thereof. The microparticles may be formulated for nasal or pulmonary delivery.
Inventors: Martyn, Glen Patrick; (Nottingham, GB) ; Blair, Julian; (Nottingham, GB)
Correspondence Name and Address: Saliwanchik Lloyd & Saliwanchik
2421 N W 41st Street
Suite A-1
Gainesville
FL
32606-6669
US
Serial No.: 496208
Series Code: 10
Filed: November 26, 2004
PCT Filed: December 9, 2002
PCT NO: PCT/GB02/05563
U.S. Current Class: 424/489
U.S. Class at Publication: 424/489
Intern'l Class: A61K 009/14