Independent directory Public ClinicalTrials.gov records United States
ClinicalTrials.gov record
Completed Phase 3 Interventional Results available

Single-Arm Study To Evaluate The Efficacy and Safety of Valoctocogene Roxaparvovec in Hemophilia A Patients (BMN 270-301)

ClinicalTrials.gov ID: NCT03370913

Public ClinicalTrials.gov record NCT03370913. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Jul 22, 2026, 9:37 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Phase 3 Open-Label, Single-Arm Study To Evaluate The Efficacy and Safety of BMN 270, an Adeno-Associated Virus Vector-Mediated Gene Transfer of Human Factor VIII in Hemophilia A Patients With Residual FVIII Levels ≤ 1 IU/dL Receiving Prophylactic FVIII Infusions

Study identification

NCT ID
NCT03370913
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
BioMarin Pharmaceutical
Industry
Enrollment
144 participants

Conditions and interventions

Conditions

Interventions

  • valoctocogene roxaparvovec Biological

Biological

Eligibility (public fields only)

Age range
18 Years and older
Sex
Male
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Dec 18, 2017
Primary completion
Nov 15, 2020
Completion
Nov 19, 2024
Last update posted
Mar 24, 2025

2017 – 2024

United States locations

U.S. sites
15
U.S. states
11
U.S. cities
15
Facility City State ZIP Site status
Los Angeles Orthopedic Hospital, Orthopedic Hemophilia Treatment Center Los Angeles California 90007-2664
UC Davis Hemophilia Treatment Center Sacramento California 95817
University of California San Diego, Hematology and Oncology, Hemophilia &Thrombosis Treatment Center San Diego California 92122
UCSF Medical Center San Francisco California 94143-0106
University of Colorado Aurora Colorado 80045
St. Joseph's Children's Hospital, Center for Bleeding and Clotting Disorders Tampa Florida 33607
Ann & Robert H. Lurie Children's Hospital of Chicago, Department of Hematology Chicago Illinois 60611-2605
James Graham Brown Cancer Center Louisville Kentucky 40202
Tulane University Hematology & Medical Oncology New Orleans Louisiana 70112-2699
University of Michigan, Pediatric Hematology and Oncology Ann Arbor Michigan 48109-5718
Wayne State University, Detroit Medical Center Detroit Michigan 48201
University of Minnesota Minneapolis Minnesota 55455
Washington University School of Medicine, Department of Pediatrics, Division of Hematology/Oncology St Louis Missouri 63110-1093
UNC Hemophilia and Thrombosis Center Chapel Hill North Carolina 27517
Nationwide Children's Hospital Columbus Ohio 43205

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 34 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT03370913, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Mar 24, 2025 · Synced Jul 22, 2026

Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.

Open the official record

The complete protocol, eligibility criteria, and contact information for NCT03370913 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →