Overview Efficacy and Safety of Pirfenidone in Patient With Dermatomyositis Interstitial Lung Disease (Dm-ILD) Status: Unknown status Trial end date: 2021-05-01 Target enrollment: Participant gender: Summary The purpose of this study is to evaluate the efficacy and safety of pirfenidone in subjects with dermatomyositis interstitial lung disease Phase: Phase 3 Details Lead Sponsor: Beijing Continent Pharmaceutical Co, Ltd.Treatments: Pirfenidone