Evaluating VGA039 in Healthy Volunteers and Patients with Von Willebrand Disease
Official title: A Multi-Modular Trial to Evaluate VGA039 in Healthy Volunteers and Patients With Von Willebrand Disease and Other Bleeding Disorders (VIVID)
Run by Vega Therapeutics, Inc · NCT05776069 · Data updated 2026-11-12
This study is testing a new treatment called VGA039 to see if it is safe and effective for healthy people and those with von Willebrand Disease.
Quick facts
| Phase | Phase1; Phase2 |
|---|---|
| Study type | Interventional |
| Ages | 12 Years to 60 Years |
| Sex | All |
| Enrollment | 116 (estimated) |
| Sponsor | Vega Therapeutics, Inc Industry-sponsored |
| Locations | 25 sites (Los Angeles, California and 24 other locations) |
| Status | Recruiting |
| Started | March 16, 2023 |
| Main results expected | December 2029 |
| Study ends | December 2029 |
| Registry record updated | August 26, 2025 |
| Trial ID | NCT05776069 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Ideal candidates include individuals aged 12 to 60 with a diagnosis of symptomatic von Willebrand Disease.
✕Probably not a fit
Patients with known pro-thrombotic disorders or those who have recently used hormonal contraceptives may not benefit from this study.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
What this trial studies
The VIVID study is a multi-part clinical trial assessing the safety and efficacy of VGA039, administered both intravenously and subcutaneously, in healthy volunteers and patients with von Willebrand Disease (VWD). It includes a randomized, double-blind, placebo-controlled phase for healthy participants, followed by open-label phases for VWD patients. Participants will be monitored for 15 weeks for intravenous dosing and 8 weeks for subcutaneous dosing. The study aims to explore both single and multiple doses, as well as surgical prophylaxis applications of VGA039.
Why it matters
Potential benefit: If successful, this study could provide a new treatment option for patients with von Willebrand Disease, potentially improving their management of bleeding episodes.
How similar studies have gone: While this approach is novel in its specific application, similar studies have shown promise in evaluating treatments for bleeding disorders.
Who can join: the full rules
Show full inclusion / exclusion criteria
Key Inclusion Criteria (All Subjects) * Subjects, 18 to 60 years of age, inclusive for Parts 1 and 2 * Subjects, 12 to 60 years of age, inclusive for Parts 3 and 5 * No clinically significant laboratory, ECG, or vital signs results. Additional Key Inclusion Criteria (for Subjects in Part 1 Only) • Body mass index of 18-32 kg/m2 Additional Key Inclusion Criteria (for Subjects in Part 2 Only) * Subjects with VWD who are symptomatic, defined as having a history of bleeding or bruising. * Hemoglobin level ≥ 8 g/dL and platelet count ≥ 150 × 109/L at Screening. Exclusion Key Criteria (All Subjects) * Use of hormonal contraceptives within 56 days prior to administration of the study drug. * Subjects with detection of FV Leiden or Prothrombin G20210A mutation, protein C or S deficiency, antithrombin deficiency, or antiphospholipid antibody syndrome at Screening. * Subjects with other known pro-thrombotic disorders or abnormal findings in any prior laboratory thrombophilia evaluation. * History of arterial or venous thrombosis, including superficial thrombophlebitis, or embolism. * Evidence of renal, hepatic, central nervous system, respiratory, cardiovascular disease, cerebrovascular disease, peripheral vascular disease, or metabolic dysfunction. Additional Key Exclusion Criterion (Subjects in Part 1 Only) • Baseline FVIII activity \> 150 IU/dL. Additional Key Exclusion Criteria (Subjects in Parts 2, 3, 4 and 5 Only) * Baseline FVIII activity \> 50 IU/dL. * Any acute, clinically significant bleeding event requiring surgical or procedural intervention within 7 days prior to receiving study drug.
Where it's running
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Orthopedic Institute for Children (UCLA)
Los Angeles, California, United States Recruiting -
UC Davis Medical Center
Sacramento, California, United States Recruiting -
University of Colorado School of Medicine
Aurora, Colorado, United States Recruiting -
Hemophilia of Georgia Center for Bleeding & Clotting Disorders of Emory
Atlanta, Georgia, United States Recruiting -
Science 37, Inc.
Morrisville, North Carolina, United States Recruiting -
Hemophilia Center of Western PA
Pittsburgh, Pennsylvania, United States Recruiting
Show 19 more locations
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Vanderbilt University Medical Center
Nashville, Tennessee, United States Recruiting -
University of Texas Southwestern
Dallas, Texas, United States Recruiting -
Washington Center for Bleeding Disorders
Seattle, Washington, United States Recruiting -
Versiti Comprehensive Center for Bleeding Disorders
Milwaukee, Wisconsin, United States Recruiting -
Royal Brisbane & Women's Hospital, Queensland Haemophilia Centre
Herston, Queenland, Australia Recruiting -
Centro de Hemoterapia e Hematologia do Rio de Janeiro HEMORIO
Rio de Janeiro, Rio de Janeiro, Brazil Recruiting -
Hemocentro Unicamp
Campinas, São Paulo, Brazil Recruiting -
Hospital das Clinicas - USP Endereco
São Paulo, São Paulo, Brazil Recruiting -
Hamilton Health Sciences Corporation
Hamilton, Ontario, Canada Recruiting -
Queens University
Kingston, Ontario, Canada Recruiting -
St. Michaels Hospital
Toronto, Ontario, Canada Recruiting -
K J Somaiya Super Speciality Hospital & Research Centre
Sion, Mumbai, India Recruiting -
Charlotte Maxeke Johannesburg Academic Hospital
Johannesburg, South Africa Recruiting -
Queen Elizabeth Hospital Birmingham
Birmingham, Edgbaston, United Kingdom Recruiting -
University Hospital Southampton NHS Foundation Trust
Southampton, Hampshire, United Kingdom Recruiting -
Royal Free Hospital
London, London, United Kingdom Recruiting -
Royal London Hospital, Clinical Haematology Research
Whitechapel, London, United Kingdom Recruiting -
Imperial College Healthcare NHS Trust- Queen Charlotte's & Chelsea Hospital
London, United Kingdom Recruiting -
Medical University of Vienna
Vienna, State of Vienna, Austria Completed
Study contacts
- Study coordinator: Clinical Trials
- Email: medinfo@star-therapeutics.com
- Phone: 650-466-8041
Similar studies
Other studies for the same condition or treatment. Recruiting studies are listed first.
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ATHNdataset registry for people with bleeding and clotting disorders
This registry collects health, treatment, and patient-reported information from people with bleeding and clotting disorders seen at ATHN-affiliated centers to help improve care and outcomes.
-
Prophylactic treatment for heavy menstrual bleeding in women with von Willebrand disease
This study tests if a new treatment can help women with von Willebrand disease who have heavy menstrual bleeding feel better during their periods.
-
Progestin options for heavy periods in young people with inherited bleeding disorders
This project will test two progestin menstrual treatments—a levonorgestrel IUD and daily norethindrone acetate—in adolescents and young adults (ages 10–24) with inherited bleeding disorders to see which better reduces heavy menstrual bleeding over six months.
-
Understanding cardiovascular and thromboembolic events in patients with von Willebrand disease in the French West
This study looks at how often blood clots and heart rhythm problems happen in adults with von Willebrand disease in the French West to better understand their risks.
-
Long-term observation of non-cancer blood disorders
This study is tracking people with blood disorders like hemophilia and thrombosis for at least 15 years to see how their conditions change over time and gather useful information for doctors and researchers.
-
Managing von Willebrand Disease in Pregnant Women
This study is testing if giving a treatment to boost von Willebrand factor levels in pregnant women with von Willebrand disease can help prevent heavy bleeding after delivery.
How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.