Overview Study to Evaluate the Efficacy of N-acetylcysteine (NAC) in the Treatment of the Common Cold and Cough Status: Completed Trial end date: 2015-04-01 Target enrollment: Participant gender: Summary This study is designed to improve knowledge regarding the initial effectiveness of N-acetylcysteine (NAC) on cold and cough symptoms. Phase: Phase 2 Details Lead Sponsor: NovartisTreatments: AcetylcysteineN-monoacetylcystine