Overview Safety and Efficacy of Gaseous Nitric Oxide on Venous Stasis Leg Ulcers Status: Terminated Trial end date: 2009-05-01 Target enrollment: Participant gender: Summary The purpose of this study is to determine whether nitric oxide (NO)gas is effective in the treatment of venous ulcers of the lower leg. Phase: Phase 2 Details Lead Sponsor: Nitric BioTherapeutics, IncTreatments: Nitric Oxide