2025. PO39 | Bleeding events in Von Willebrand disease type 1 yearly treatable with desmopressin: A. Gringeri1,2, P.M. Mannucci3, M. Gringeri4, G. Castaman5, F. Peyvandi3,6 | 1Fondazione Charta, Milan; 2Centro di Sanità Solidale, Lucca; 3Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, Angelo Bianchi Bonomi Hemophilia and Thrombosis Center and Fondazione Luigi Villa, Milan; 4Department of Medical Biotechnologies and Translational Medicine, Postgraduate School of Clinical Pharmacology and Toxicology, University of Milan; 5Centre for Bleeding Disorders and Coagulation, Careggi University Hospital, Firenze; 6Department of Pathophysiology and Transplantation, Università degli Studi di Milano, Italy. Bleeding, Thrombosis and Vascular Biology. 4, s1 (Aug. 2025). DOI:https://doi.org/10.4081/btvb.2025.302.