Optimer Pharmaceuticals, Inc. and Clinical Investigators to Present Data at Upcoming Medical Meetings

SAN DIEGO, April 28, 2011 /PRNewswire/ -- Optimer Pharmaceuticals, Inc. (NASDAQ: OPTR) announced that additional data from the DIFICID Phase 3 trials will be presented at the following medical meetings:

Digestive Disease Week (DDW), McCormick Place, Chicago, IL

May 7-10, 2011


Poster Presentation Information:

Title:

Risk of Recurrence and Time to Recurrence Following Treatment of Clostridium


difficile Infection: Patient Characteristics and the Differential Effect of Fidaxomicin


vs. Vancomycin

Presenter:

Kathleen M. Mullane, D.O.

Date:

Saturday, May 7, 2011

Time:

12:00 p.m. to 2:00 p.m. Central Time

Location:

Poster Session Hall A (MCP)

Session:

Intestinal Disorders: Prebiotics, Probiotics and Pathogens

Program #:

Sa1981



Poster Presentation Information:

Title:

High Fecal and Low Plasma Levels of Fidaxomicin and Metabolite OP-1118 in


Patients with C. difficile infection: Combined Results of Two Phase 3 Trials

Presenter:

Pamela S. Sears, Ph.D.

Date:

Monday, May 9, 2011

Time:

12:00 p.m. to 2:00 p.m. Central Time

Location:

Poster Session Hall A (MCP)

Session:

Randomized Controlled Clinical Trials

Program #:

Mo1160





European Congress of Clinical Microbiology and Infectious Diseases and International Congress of Chemotherapy, Milano Convention Center, Milan, Italy

May 7-10, 2011


Oral Presentation Information:

Title:

Immunosuppression and the Risk of Death, Cure Rates and Disease Recurrence


Among Patients with Clostridium difficile Infection

Presenter:

Yoav Golan, M.D., M.S.

Date:

Tuesday, May 10, 2011

Time:

10:36 a.m. to 10:48 a.m. Central European Time

Location:

Lecture Hall Brown 1

Oral Session:

C. difficile News

Presentation #:

O504



Poster Presentation Information:

Title:

Clostridium difficile Recurrence, Alcohol Consumption, and the Effect of


Fidaxomicin vs. Vancomycin

Presenter:

Yoav Golan, M.D., M.S.

Date:

Tuesday, May 10, 2011

Time:

12:30 p.m. to 1:30 p.m. Central European Time

Location:

Poster Area Hall 5

Poster Topic 99:

Clostridium difficile

Poster ID#:

P1968



2011 Annual Scientific Meeting of the American Geriatrics Society (AGS), The Gaylord National Hotel, National Harbor, Maryland

May 11-14, 2011

Poster Presentation Information:

Title:

Effect of Advancing Age on Outcomes of Therapy for Clostridium difficile Infection

Presenter:

Thomas J. Louie, M.D.

Date:

Thursday, May 12, 2011

Time:

4:30 p.m. to 6:00 p.m. Eastern Time

Session:

Presidential Poster Session B

Location:

Exhibit Hall

Poster ID#:

B126

About Optimer Pharmaceuticals

Optimer Pharmaceuticals, Inc. is a biopharmaceutical company focused on discovering, developing and commercializing innovative hospital specialty products that have a positive impact on society. Optimer has two anti-infective product candidates in development, DIFICID (fidaxomicin) and Pruvel (prulifloxacin). DIFICID is a narrow spectrum antibiotic being developed for the treatment of Clostridium difficile infection (CDI). The FDA granted the Company’s request for six-month Priority Review of Optimer’s NDA for DIFICID, and has assigned a Prescription Drug User Fee Act (PDUFA) goal date of May 30, 2011. The Company also filed a MAA with the European Medicines Agency (EMA) for DIFICID. Pruvel is a prodrug in the fluoroquinolone class of antibiotics being developed as a treatment for infectious diarrhea. Additional information can be found at http://www.optimerpharma.com.

Contacts

Optimer Pharmaceuticals, Inc.
Christina Donaghy, Corporate Communications Manager
John D. Prunty, Chief Financial Officer & VP Finance
858-909-0736

Canale Communications
Jason I. Spark, Senior Vice President
619-849-6005

SOURCE Optimer Pharmaceuticals, Inc.

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