Gene Therapy Study in Severe Haemophilia A Patients (270-201)
Launched by BIOMARIN PHARMACEUTICAL · Oct 13, 2015
Trial Information
Current as of September 06, 2025
Completed
Keywords
ClinConnect Summary
No description provided
Gender
MALE
Eligibility criteria
- Inclusion Criteria:
- • 1. Males 18 years or older with established severe Haemophilia A (endogenous FVIII level ≤1 IU/dL) as evidenced by their medical history.
- • 2. Treated/exposed to FVIII concentrates or cryoprecipitate for a minimum of 150 exposure days (EDs)
- • 3. Greater than or equal to 12 bleeding episodes for patients on on-demand FVIII replacement therapy over the previous 12 months. Does not apply to patients on prophylaxis
- • 4. No history of inhibitor, and results from a modified Nijmegen Bethesda assay of less than 0.6 Bethesda Units (BU) 2 consecutive occasions at least one week apart within the past 12 months
- • 5. Sexually active patients must be willing to use an acceptable method of contraception.
- Exclusion Criteria:
- • 1. Detectable pre-existing immunity to the AAV5 capsid as measured by adeno-associated virus 5 (AAV5) transduction inhibition (TI) or AAV5 total antibodies
- • 2. Any evidence of immunosuppressive disorder or active chronic infection including hepatis B, hepatitis C, HIV
- • 3. Significant liver dysfunction as defined by abnormal elevation ofliver function tests, or for patients who have undergone liver imaging or biopsy and found to have evidence of grade 3 or higher fibrosis
- • 4. Evidence of any bleeding disorder not related to haemophilia A
- • 5. 12. Treatment with any investigational product within 30 days prior to the end of the screening period, or any previous exposure to any gene transfer therapy
- • 6. Any disease or condition that per the physician's discretion would prevent the patient from fully complying with the requirements of the study including possible corticosteroid treatment outlined in the protocol. The physician may exclude patients unwilling or unable to agree on not using alcohol for the 16-week period following the viral infusion.
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.
Contacts
Jennifer Cobb
Immunology at National Institute of Allergy and Infectious Diseases (NIAID)
Locations
London, , United Kingdom
Cambridge, , United Kingdom
Basingstoke, , United Kingdom
London, , United Kingdom
Birmingham, , United Kingdom
Southampton, , United Kingdom
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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