Participants
thrombocytopenia, ADAMTS13, TTP
ITTP, THROMBOCYTOPENIA, TTP
The study included male or female Japanese individuals aged ≥ 18 years with a clinical diagnosis of iTTP (initial or recurrent) that required initiation of daily TPE treatment. A confirmed diagnosis of iTTP based on ADAMTS13 activity was not required for study enrollment. The TTP clinical diagnosis was defined as thrombocytopenia (platelet count < 100 × 10