Antibiotic microspheres for treatment of infections and osteomyelitis
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United States of America Patent
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N/A
Issued Date -
Jul 8, 2004
app pub date -
Sep 5, 2003
filing date -
Sep 5, 2002
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Biodegradable microspheres implanted, injected, or otherwise placed totally or partially within the body are capable of near-linear controlled release of an antibiotic for a predetermined period of time for the treatment and prevention of infections involving the body. The microspheres are formed of polylactic-co-glycolic acid (PLGA) and an effective amount of antibiotic sufficient to produce bactericidal levels in body tissues, and may or may not include polyethylene glycol (PEG). The microspheres exhibit near-linear delivery of the antibiotic for at least 4 weeks at levels exceeding the minimum inhibitory concentration (MIC) for organisms commonly found to be the cause of infections.
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