How do you diagnose thrombotic thrombocytopenic purpura? The group points out clinical presentations. Researchers investigated patients with immune thrombotic thrombocytopenic purpura (iTTP) to identify predictive factors ... A recent study published in the British Journal of Haematology looked at immune thrombotic thrombocytopenic purpura ... The U.S. Food and Drug Administration approved caplacizumab-yhdp injection as the first treatment specifically indicated ...