Recruiting ATHN Transcends: A Natural History Study of Non-Neoplastic Hematologic Disorders NCT04398628 Conditions Anemia, Anemia, Hemolytic, Anemia, Hemolytic, Congenital, +34 more Locations Arizona Hemophilia and Thrombosis Treatment Center at Phoenix Children's Hospital — Phoenix, Arizona, United States Arkansas Center for Bleeding Disorders — Little Rock, Arkansas, United States Orthopaedic Institute for Children HTC — Los Angeles, California, United States Childrens Hospital Los Angeles — Los Angeles, California, United States View all 71 locations View more locations Show fewer locations Loading locations... View Trial Details