A Randomized, Double-Blind, Placebo-Controlled, Multicenter Study of the Efficacy and Safety of Qifangfeixian Granules in the Treatment of Connective Tissue Disease-Associated Interstitial Lung Disease (CTD-ILD)
Conditions
- Interstitial Lung Disease
- Qifangfeixian Granules
Interventions
- DRUG: Qifangfeixian granules
- OTHER: Placebo
Sponsor
Huilan Zhang