Clinical Studies of NA872 (Ambroxol) on the inflammatory diseases of the upper airway

Abstract

Clinical studies of NA872 were made on 24 cases with the inflammatory diseases of the upper airway in both Kagoshima and Mie University Hospitals. The result obtained as follows: 1) 17 of 18 cases with complaint of sputum were assessed as good responses and its efficacy rate was seen in 94.4%. 2) 9 of 12 cases with hoarseness were improved. 3) Neither side effect nor abnormal laboratory findings were noted in all cases. NA872 was thought effective and safe drug on the inflammatory diseases of the upper airway.