To evaluate the efficacy and safety of human recombinant thrombopoietin (rhTPO, a product of Sunshine Pharmaceutical Co Ltd, China) in chronic refractory idiopathic thrombocytopenic purpura.
Department of Hematology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Science, Beijing 100730, China. zhaoyq@pumch.ac.cn