Optimer Pharmaceuticals Reports Second Quarter 2009 Financi...(tigator Thomas J. Louie M.D. presented t...)

Date:8/5/2009

tigator, Thomas J. Louie, M.D., presented top-line data from Optimer's fidaxomicin North American Phase 3 clinical study for patients with Clostridium difficile infection at the European Congress of Clinical Microbiology and Infectious Diseases meeting, which showed the trial met its primary endpoint of achieving clinical cure compared to Vancocin(R). In addition, the top-line data showed that patients treated with fidaxomicin experienced a reduction in CDI recurrence compared to Vancocin (p=0.004) and had a higher global cure (cure with no recurrence within four weeks) compared to Vancocin (p=0.006).

Clinical investigator, Mark A. Miller, M.D., presented additional data from Optimer's fidaxomicin North American Phase 3 clinical study at the Digestive Disease Week 2009 Conference focusing on patient risk factors believed to be predictive of CDI recurrence following treatment. These risk factors include albumin levels, white blood cell (WBC) count and temperature and strain types of CDI. The data showed that fidaxomicin overall demonstrated a lower recurrence rate compared to Vancocin (p=0.004) regardless of albumin levels, WBC count and temperature, as well as for patients with non-BI (NAP1/027) strains.

The United States Patent and Trademark Office issued Optimer a production patent covering steps used in the manufacture of fidaxomicin.

About Optimer Pharmaceuticals

Optimer Pharmaceuticals, Inc. is a biopharmaceutical company focused on discovering, developing and commercializing innovative anti-infective products to treat serious infections and address unmet medical needs. Optimer has two late-stage anti-infective product candidates under development. Fidaxomicin, formerly known as OPT-80, is the only antibiotic therapy currently in Phase 3 worldwide clinical development for Clostridium difficile infection. Prulifloxacin is an antibiotic which has completed t
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SOURCE Optimer Pharmaceuticals, Inc. Copyright©2009 PR Newswire. All rights reserved

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