RecruitingDrug trialAn Observational Study of Participants With Type 3 Von Willebrand Disease on Prophylactic Standard-of-Care TreatmentThis non-interventional study (NIS) is designed to collect information on the effectiveness and safety of treatment received in routine clinical care, as well as measure the health-related quality of life (HRQoL) of participants with Type 3 von Willebrand disease (VWD) receiving prophylactic therapy per local standard of care (SOC) over an observation period of at least 24 weeks.