HAYWARD, Calif.--(BUSINESS WIRE)--Aradigm Corporation (OTCBB: ARDM) (“The Company”) today announced positive top-line results from an open-label, four week treatment study of efficacy, safety and tolerability with its once daily inhaled liposomal ciprofloxacin hydrochloride (ILCH) in patients with non-cystic fibrosis bronchiectasis. This orphan drug condition is a chronic severe respiratory disease and there is currently no drug specifically approved for its treatment in the US.