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IV Bevacizumab Treatment of Patients With Hereditary Hemorrhagic Telangiectasia (HHT) or Rendu-Osler (RO) Disease: A Retrospective Analysis of French Cohort Data From 2009 to 2024

NCT07772050 · Status: COMPLETED · Type: OBSERVATIONAL · Enrollment: 244

Last updated 2026-08-19

No results posted yet for this study

Summary

Rendu-Osler disease (RO), also known as Hereditary Haemorrhagic Telangiectasia (HHT), is an autosomal dominant genetic disorder. Its pathophysiology is associated with an imbalance in angiogenic balance. The resulting epistaxis and digestive bleeding can be severe, requiring repeated transfusions in 5% of patients. In addition, some patients with HHT may present with liver damage, leading to high-flow heart failure.

Vascular Endothelial Growth Factor (VEGF) plays a role in the pathophysiology of Rendu-Osler disease, leading to the use of a recombinant anti-VEGF monoclonal antibody, bevacizumab. Studies conducted and promoted by HCL have demonstrated the efficacy and safety of bevacizumab in patients with HHT.

In 2014, bevacizumab was granted orphan drug designation for this disease. The 2020 international guidelines for the diagnosis and management of HHT suggest the use of systemic antiangiogenic agents in cases of epistaxis resistant to other treatments. The use of bevacizumab has been widely published in uncontrolled studies, demonstrating its efficacy in reducing epistaxis, improving anaemia, reducing transfusion dependence and improving quality of life.

In France, bevacizumab is currently prescribed outside the scope of its marketing authorization. Treatment indications are validated within the French network of expert centres and the FAVAmulti rare disease network. In other countries, access to this treatment varies widely according to local regulations, and is currently being evaluated in the European VASCERN network.

The aim of this study is to describe the use of bevacizumab in patients treated for HHT in France.

Conditions

  • Hereditary Hemorrhagic Telangiectasia (HHT)
  • Rendu Osler Disease

Interventions

OTHER

Real World data study.

The bevacizumab population is defined as patients who received at least one bevacizumab injection. Descriptive analyses will be performed using demographic, clinical and genetic data

Sponsors & Collaborators

  • Hospices Civils de Lyon

    lead OTHER

Eligibility

Min Age
18 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2009-01-01
Primary Completion
2024-12-31
Completion
2025-12-31

Countries

  • France

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT07772050 on ClinicalTrials.gov