A Prospective, One-arm and Open Clinical Study of CM313 in the Treatment of Immune Thrombocytopenia

"intravenous CM313 administration~This study adopts a prospective, single arm, open design method. Twenty subjects were enrolled in the study and were treated with CD38 monoclonal antibody (CM 313: 16mg/kg/w) for 8 weeks.~The first stage is the main research stage (d1-w8), which is the core treatment period. The subjects will receive intravenous infusion of 16mg/kg CM313 once a week for 8 weeks to observe the safety and efficacy during treatment.~The second stage (w9-w24) is the stage of withdrawal from the visit, mainly to observe the safety and continuous efficacy of CM313 after treatment."