• What is the RTDC?
• Learn More
• Take Action
• Information for Physicians

• Information for Investigators
• News & Events
• Participating Clinical Centers
• Contact Information

Disease Definitions

Please Choose from the list below:

• Antiphospholipid Antibody Syndromes (APS)
• Heparin-induced Thrombocytopenia (HIT)
• Catastrophic Antiphospholipid Antibody Syndrome (Thrombotic Storm)
• Thrombotic Thrombocytopenic Purpura (TTP)
• Paroxysmal Nocturnal Hemoglobinuria (PNH),