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Search / Trial NCT05768386

A Long-Term Follow-Up Study in Severe Hemophilia A Subjects Who Received BMN 270 in a Prior BioMarin Clinical Trial (270-401)

Launched by BIOMARIN PHARMACEUTICAL · Mar 13, 2023

Trial Information

Current as of July 24, 2025

Enrolling by invitation

Keywords

Gene Therapy Clotting Disorders Blood Disorder Blood Coagulation Disorders Inherited Blood Coagulation Disorders Hematologic Diseases Coagulation Protein Disorders Hemorrhagic Disorders Genetic Diseases Inborn Factor Viii Coagulants

ClinConnect Summary

Study 270-401 will collect additional follow-up data in a single study for approximately 10 years among all subjects who consent to participate and have completed their primary treatment study (ie, for any study in which they received BMN 270).

Gender

MALE

Eligibility criteria

  • Inclusion Criteria:
  • Participants must have completed their primary treatment study or be currently enrolled in the primary treatment study at the time of closure by the Sponsor. Participants may enroll in 270-401 even if they have restarted FVIII prophylaxis or other hemophilia A treatment.
  • Subjects must be capable of giving signed informed consent, which includes compliance with the requirements and restrictions listed in the informed consent form (ICF) and in this protocol. If the subject is unable to provide consent, a legally authorized representative may provide written informed consent.
  • Exclusion Criteria:
  • Participants who do not directly enroll in 270-401 at the time of the study completion visit in their primary treatment study should enroll in 270-401 within 4 months of the date of that study completion visit. If a participant wishes to enroll in 270-401 after 4 months, they must receive prior approval from the Medical Monitor.
  • Participants must be overtly healthy and not have any condition that, in the opinion of the Investigator or Medical Monitor, would prevent the participant from fully complying with the requirements of the study and/or would impact or interfere with evaluation and interpretation of the study data (including, if applicable, advanced HIV disease).
  • Where applicable, per country regulation, the participant must not currently be committed to an institution by virtue of an order issued either by judicial or administrative authorities.

About Biomarin Pharmaceutical

BioMarin Pharmaceutical Inc. is a global biotechnology company dedicated to developing innovative biopharmaceuticals for serious and life-threatening rare diseases and medical conditions. Founded in 1997 and headquartered in San Rafael, California, BioMarin focuses on leveraging its proprietary technologies and expertise in enzyme replacement therapies, gene therapies, and small molecule development to address unmet medical needs. The company's commitment to patient-centric research drives its robust pipeline of therapies aimed at improving the lives of individuals affected by genetic disorders, with a strong emphasis on clinical trials to ensure safety and efficacy. BioMarin's collaborative approach fosters partnerships with healthcare professionals, patients, and advocacy groups to enhance treatment options and access for those in need.

Locations

Pittsburgh, Pennsylvania, United States

London, , United Kingdom

Southampton, , United Kingdom

Sacramento, California, United States

Ann Arbor, Michigan, United States

Aurora, Colorado, United States

Los Angeles, California, United States

Shandon, California, United States

Tampa, Florida, United States

Cambridge, , United Kingdom

London, , United Kingdom

London, , United Kingdom

London, , United Kingdom

Patients applied

0 patients applied

Trial Officials

Medical Director, MD

Study Director

BioMarin Pharmaceutical

Timeline

First submit

Trial launched

Trial updated

Estimated completion

Not reported

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