Aradigm Corporation (OTCBB: ARDM) it is presenting data from its Phase 2 study of inhaled liposomal ciprofloxacin (ARD-3100) in cystic fibrosis (CF) patients at the 22nd Annual North American Cystic Fibrosis (NACF) conference in Orlando, Florida.

Completed in June 2008, the study was an open-label, two week efficacy and safety trial of once daily inhaled liposomal ciprofloxacin in 22 CF patients conducted at leading CF centers in Australia and New Zealand.

The primary efficacy endpoint in the study was the change from baseline in the sputum Pseudomonas Aeruginosa colony forming units (CFU), an objective measure of the reduction in pulmonary bacterial load. Data analysis in 21 patients who completed the study, demonstrated that the Pseudomonas CFU decreased by a mean 1.43 log over the 14-day treatment period (p