Clinical Research Directory

Multi-target Drugs Sequential Combination Therapy in Adults Patients With Newly Diagnosed Primary Immune Thrombocytopenia

Sponsor: Institute of Hematology & Blood Diseases Hospital, China

Summary

This prospective, single-arm, multicenter, exploratory study will enroll 38 adults patients with newly diagnosed primary immune thrombocytopenia (ITP). Patients will receive standard-dose corticosteroids plus a thrombopoietin receptor agonist (TPO-RA) as initial therapy During the core treatment phase (Weeks 1-12). Corticosteroids will be tapered and discontinued within 8 weeks, whereas TPO-RA treatment will continue for 12 weeks. For patients with treatment failure( defined as platelet count \< 30 × 10\^9/L or less than 2-fold increase of baseline platelet count or bleeding) ,a sequential multitarget combination strategy will be explored in subsequent treatment phases. Specifically, patients with treatment failure after 2 weeks of initial therapy (Weeks 3-12), will receive the ongoing TPO-RA in combination with either rituximab or an anti-CD38 monoclonal antibody（mAb） as sequential combination therapy. During the core treatment follow-up phase (24 weeks), patients with treatment failure will enter the exploratory treatment phase (Weeks 13-36) . Patients who received multi-target drug therapy during the core treatment period will switch to an alternative TPO-RA with cross-administered rituximab and anti-CD38 mAb, while those who did not will receive sequential rituximab or anti-CD38 mAb. Finally, patients will enter the safety follow up period (4 weeks, weeks 37-40).

Official title: Efficacy and Safety of Multi-Target Drugs Sequential Combination Therapy in Adults Patients With Newly Diagnosed Primary Immune Thrombocytopenia: A Prospective, Single-arm, Multicenter, Exploratory Trial

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