Immune Thrombocytopenia Clinical Trial
Official title:
A Prospective, Open-label, Multicenter，Single-armed Study of Orelabrutinib in the Treatment of Refractory Primary Immune Thrombocytopenia (ITP)
BTK participates in a variety of signal transduction of innate and adaptive immunity, and has an important role in cell proliferation, differentiation and apoptosis. The impact of BTK inhibitors on hematological malignancies and autoimmune diseases has been well studied. This project was undertaking by Qilu Hospital of Shandong University in China. In order to report the efficacy and safety of the selective BTK inhibitor Orelabrutinib in the management of refractory ITP.
The investigators are undertaking a prospective, open-lable, multicentre trial of 40 refractory ITP adult patients in China. Eligible participants will receive Orelabrutinib in 50 mg po. qd, every 4 weeks for one cycle and it will be given 3 cycles. For non-responders who were well tolerated at 12 weeks of follow-up, the treatment could be extended to 6 cycles. The treatment will be discontinued after 6 months without blood index reaction. In order to report the efficacy and safety of Orelabrutinib in the management of refractory ITP, platelet count, bleeding and other symptoms will be evaluated before and after treatments. Adverse events are also recorded throughout the study. ;
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