Recruiting Genotype and Phenotype Correlation in Hereditary Thrombotic Thrombocytopenic Purpura (Upshaw-Schulman Syndrome) NCT01257269 Conditions Anemia, Anemia, Hemolytic, Blood Coagulation Disorders, +20 more Locations University of Oklahoma Health Sciences Center, Department of Medicine, PO Box 26901 — Oklahoma City, Oklahoma, United States Medical University of Vienna, Department of Medicine 1, Div. Hematology and Hemostasis Waehringer Guertel 18-20 — Vienna, Austria Institute of Hematology and Blood Transfusion, Coagulation Laboratory, U nemocnice 1 — Prague, Czechia University Medical Center Hamburg-Eppendorf, Department of Pediatric Hematology and Oncology, Martinistr 52 — Hamburg, Germany View more locations Show fewer locations Loading locations... View Trial Details