(5.7.2008) SAN DIEGO, CA Optimer Pharmaceuticals Reports First Quarter 2008 Financial Results (5.6.2008) SAN DIEGO, CA Optimer Pharmaceuticals to Present at Upcoming Investor Conferences (4.21.2008) BARCELONA, SPAIN Clostridium difficile Infection 'Epidemic' Leads to Calls for Emerging Next-Generation Therapies (4.15.2008) SAN DIEGO, CA Optimer Pharmaceuticals Sponsors ECCMID Symposium on Clostridium difficile-Associated Disease: Current Treatment and Challenges (4.8.2008) SAN DIEGO, CA Optimer Pharmaceuticals Receives Notice of Allowance for OPT-80 Patent Application