Overview A Study on the Efficacy and Safety of Benzonatate Soft Capsules for Improving Adult Cough Symptoms Status: Unknown status Trial end date: 2019-07-31 Target enrollment: Participant gender: Summary The purpose of this study is evaluate the efficay and safety of benzonatate soft capsules for improving adult cough symtoms. Phase: Phase 3 Details Lead Sponsor: CSPC ZhongQi Pharmaceutical Technology Co., Ltd.Treatments: Benzonatate