F01 in the Treatment of Autoimmune Diseases

Approximately up to 20 participants with autoimmune diseases (including moderate-to-severe active systemic lupus erythematosus, relapse or refractory antineutrophil cytoplasmic antibody associated vasculitis,refractory idiopathic inflammatory myopathies and relapsed/refractory active diffuse cutaneous systemic sclerosis) are planned to enroll. This study is divided into two stages: dose escalation and dose extension.