Observational study on treatment for Type 3 Von Willebrand Disease

A Multicenter Non-Interventional Study Evaluating Bleeds and Health-Related Quality Of Life in Patients With Type 3 Von Willebrand Disease on Prophylactic Standard-of-Care Treatment

Observational Hoffmann-La Roche · NCT06883240

This study is looking at how well standard treatments work for people with Type 3 von Willebrand disease and how these treatments affect their quality of life over at least 24 weeks.

Quick facts

Study typeObservational
Enrollment40 (estimated)
Ages2 Years and up
SexAll
SponsorHoffmann-La Roche Industry-sponsored
Drugs / interventionsemicizumab
Locations27 sites (Sacramento, California and 26 other locations)
Trial IDNCT06883240 on ClinicalTrials.gov

What this trial studies

This observational study aims to gather data on the effectiveness and safety of standard-of-care prophylactic treatments for participants diagnosed with Type 3 von Willebrand disease. Over a minimum observation period of 24 weeks, the study will assess health-related quality of life and monitor treatment outcomes in routine clinical settings. Participants will receive various treatments, including Von Willebrand Factor Concentrates and Factor VIII Concentrates, as per their standard care regimen.

Who should consider this trial

Good fit: Ideal candidates include individuals with a confirmed diagnosis of Type 3 von Willebrand disease who are currently receiving prophylactic therapy.

Not a fit: Patients with other bleeding disorders or significant medical histories that complicate treatment may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could enhance understanding of treatment effectiveness and improve quality of life for patients with Type 3 von Willebrand disease.

How similar studies have performed: Other observational studies have shown success in assessing treatment outcomes for bleeding disorders, indicating that this approach is supported by prior research.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Confirmed diagnosis of Type 3 von Willebrand disease (VWD), based on medical records
* Adequate hematologic, hepatic, and renal function
* Documented and confirmed previous use of SOC prophylactic therapy for VWD (1-3 times weekly, as per prescribed dose) and anticipation to remain on the same regimen during the study
* For participants of childbearing potential: agreement to remain abstinent or adhere to the contraception requirements

Exclusion Criteria:

* Inherited or acquired bleeding disorder other than Congenital Type 3 VWD
* History of gastrointestinal bleeding within 18 months prior to enrollment, or any previous diagnosis of angiodysplasia
* History of intracranial hemorrhage
* Previous or current treatment for thromboembolic disease or signs of thromboembolic disease
* Other conditions (e.g., certain autoimmune diseases) that may increase risk of bleeding or thrombosis
* History of clinically significant hypersensitivity associated with monoclonal antibody therapies or components of the emicizumab injection
* Use of systemic immunomodulators (e.g., interferon) at enrollment or planned use during the study, with the exception of anti-retroviral therapy

Where this trial is running

Sacramento, California and 26 other locations

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Von Willebrand Disease, Type 3
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.