120
Participants
Start Date
June 22, 2022
Primary Completion Date
June 30, 2025
Study Completion Date
December 1, 2025
Pirfenidone
Drug:pirfenidone CTD-ILD patients treated with pirfenidone up to the maximum tolerable dose Drug: glucocorticoid and immunosuppressant CTD-ILD patients treated with glucocorticoid and immunosuppressant according to the condition of the disease
glucocorticoid and immunosuppressant
Drug: glucocorticoid and immunosuppressant CTD-ILD patients treated with glucocorticoid and immunosuppressant according to the condition of the disease
RECRUITING
Qilu Hospital, Jinan
Qilu Hospital of Shandong University
OTHER