Chronic HBV Infection Clinical Trial
Official title:
A Multicenter Single-arm Study to Evaluate the Efficacy and Safety of Eltrombopag for Immune Thrombocytopenia in Chinese Patients With Chronic HBV Infection
Primary Objective: To evaluate the efficacy of 6-week Eltrombopag to treat immune thrombocytopenia with chronic hepatitis B virus infection. Secondary Objective: To evaluate the efficacy and safety of 6-week and 22-week Eltrombopag to treat immune thrombocytopenia with chronic hepatitis B virus infection.
This is a single-arm phase II study to evaluate the efficacy and safety of Eltrombopag to treat immune thrombocytopenia with chronic hepatitis B virus infection. This study includes two stages. In Stage 1 (Week 1 to Week 6), the short-term efficacy, safety and tolerability of Eltrombopag is evaluated. At the end of Stage 1, the subjects who can benefit from Eltrombopag treatment (platelet count ≥30×109/L at least once and a 2-fold increase from baseline platelet count without rescue therapy, with no bleeding) can enter a 16-week prolonged stage (Stage 2) to evaluate longer-term efficacy and safety. The starting dose of Eltrombopag is 25 mg once daily, and the dose may be increased by 25 mg once daily according to protocol if the desired platelet response (>50×109/L) is not achieved. The daily dose should not exceed 75 mg. In Stage 1, weekly visits are required during the first 6 weeks of the study. In Stage 2, platelet counts will be obtained weekly during dose adjustment and every 4 weeks following establishment of a stable dose of Eltrombopag (stable dose is defined as the dose which remains unchanged for at least 2 weeks). ;
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