Real-life Data of Constitutional Von Willebrand Disease in Western France

Inclusion Criteria

• •Constitutional Von Willebrand Disease patient, of any severity, with or without Von Willebrand Factors inhibitors
• •Patient included in the research database BERHLINGO
• •Patient treated or not by desmopressin or Von Willebrand Factor/FVIII/by-passing agents available on the French market (at baseline)
• •Patient who agrees to participate in the HOPSCOTcH-Will II and followed in one of the 5 investigator centers