Study Status: Completed
Recruit Status: Completed
Study Type: Interventional
Official Title: Double-blind, A Multicenter, Randomized, Placebo-controlled, Parallel, Phase 2 Study to Comparative Evaluate the Efficacy of N02RS1 600mg/Day, 12,00mg/Day in Korean Patients With Acute and
Brief Summary: The Purpose of A Multicenter, Randomized, Double-blind, Placebo-controlled to Evaluate the Efficacy, Safety and Pharmacokinetics of N02RS1 600mg and 1,200mg per day in Patients With acute and acute exacerbation of chronic bronchitis for 7 days.