A Study of Andrographolide Sulfonate in Patients With Acute Exacerbation of Chronic Bronchitis

NCT03132610 · clinicaltrials.gov ↗

PHASE4

Phase

UNKNOWN

Status

240

Enrollment

INDUSTRY

Sponsor class

Conditions

Acute Exacerbation of Chronic Bronchitis

Interventions

DRUG: andrographolide sulfonate
DRUG: andrographolide sulfonate simulation

Sponsor

Jiangxi Qingfeng Pharmaceutical Co. Ltd.