OPTIMER REPORTS RESULTS OF CDAD STUDIES
Phase IIa clinical studies have indicated that Optimer's lead antibiotic
candidate, OPT-80/PAR-101, appears to be efficacious in the treatment of Clostridium
difficile-associated diarrhea (CDAD). The company has recently received FDA
approval of its Phase IIb/III clinical trial protocols and plans to begin these
trials in April 2006.
In the Phase IIa dose ranging study, OPT-80/PAR-101 was evaluated in 45 CDAD
patients. The evaluation included cure rates, relief of symptoms of CDAD, time
to resolution of diarrhea, and clinical recurrence. OPT-80/PAR-101 was well-tolerated
by all subjects, and the clinical response was very promising with a 91 percent
cure rate overall. Of the subjects that completed therapy, less than 5 percent
of patients had recurrence of symptoms.
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