EMERYVILLE, Calif., May 25, 2010 (GLOBE NEWSWIRE) -- NovaBay Pharmaceuticals, Inc. (NYSE Amex:NBY), a clinical stage biotechnology company developing first-in-class, anti-infective compounds for the treatment and prevention of antibiotic-resistant infections, today announced the completion of enrollment in a Phase 2a proof-of-concept trial for the treatment of impetigo. Impetigo is a highly contagious skin infection afflicting more than 1 million people annually in the United States, primarily children and infants.