Efficacy and Safety of Zihua Wenfei Granules in Treatment of Postinfectious Cough (Wind-cold Invading Lungs Syndrome)

PHASE3UnknownINTERVENTIONAL

Enrollment

480

Participants

Timeline

Start Date

November 15, 2022

Primary Completion Date

November 30, 2023

Study Completion Date

August 31, 2024

Conditions

Cough

Interventions

DRUG

Zihua Wenfei Zhisou Granule

14 daily- doses of Zihua Wenfei Zhisou Granule，one bag at a time (15 g/bag), three times/day

DRUG

Placebo

14 daily- doses of placebo，one bag at a time (15 g/bag), three times/day

Trial Locations (1)

RECRUITING

West China Hospital of Sichuan University, Chengdu