Hemophilia A: Long-Term Follow-Up of BMN 270

We are investigating the long-term safety and effects of a gene therapy for severe hemophilia A in individuals who participated in a previous study. This includes looking at their quality of life and the need for additional treatments.

What diseases are being studied?

Health conditions and diseases that the clinical trial is designed to study and treat.

Who can participate in the clinical trial?

These questions help us understand your situation so we can let the trial team know whether you might be a potential match. This is not a medical evaluation and is not part of the official screening, the study doctor will make the final decision..

What medicines are being studied?

Medicines that are officially approved for use in the European Union and considered safe by EMA. These medicines are already on the market and may be tested for new conditions or populations.

Roctavian
Roctavian is a one-time gene therapy for adults with severe hemophilia A that helps reduce bleeding.

What active substances are being studied?

Active substances that are officially approved for use in the European Union and considered safe by EMA. These substances are already on the market and may be tested for new conditions or populations.

Valoctocogene Roxaparvovec
Valoctocogene roxaparvovec is a gene therapy that delivers a functional factor VIII gene to reduce bleeding in people with severe hemophilia A.

Where is the clinical trial being conducted?

Locations and medical facilities where this clinical trial is currently recruiting or conducting research. Select the locations where you would like to participate.

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UZ Leuven
Cardiovascular Diseases
Heverlee, Belgium
Centre Hospitalier Universitaire De Lille
Institut Cœur Poumon - Hemostase Clinique
Loos, France
Centre Hospitalier Regional De Marseille
Hôpital de La Timone - Hématologie, immunologie et oncologie pédiatrique
Marseille, France

Sponsor: Biomarin Pharmaceutical Inc.
Last updated: Nov 26, 2025

Disclaimer: Parts of this content have been automatically extracted from the EU Clinical Trials registry. While we strive for accuracy, please always contact the trial site or sponsor directly for correct and official information before making any decisions about participation. View on EU Clinical Trials.