Sign in

NCT03370913CompletedPhase 3

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

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

Source: ClinicalTrials.gov · Last updated 25 Mar 2025

Brief summary (registry, in English)

This Phase III clinical study will assess the impact of BMN 270 (compared to FVIII prophylaxis) on the number of bleeding episodes irrespective of exogenous FVIII replacement treatment in the efficacy evaluation period (EEP) (from Week 5 post-BMN 270 infusion (Study Day 33) or the end of FVIII prophylaxis plus the washout period (3 days for products of standard half-life or plasma-derived and 5 days for products of extended half-life), whichever is later, to last visit by the data cut-off for the 2-year analysis, hereafter referred to as "Post FVIII Prophylaxis to Last Visit"). The study will also assess the impact of BMN 270 (compared to FVIII prophylaxis) on: the number of bleeding episodes requiring exogenous FVIII treatment in "Post FVIII Prophylaxis to Last Visit", FVIII activity as measured by chromogenic sustrate assay at Week 104 following intravenous infusion of BMN 270, usage of exogenous FVIII replacement therapy in "Post FVIII Prophylaxis to Last Visit", health-related quality of life patient-reported outcomes at week 104 following intravenous infusion of BMN 270. The study will also evaluate the safety of the BMN 270.

Status (registry)
Completed
Phase (registry)
Phase 3
Study type
Interventional
Enrollment
144 (actual)
First submitted
27 Nov 2017
Start date
19 Dec 2017
Primary completion date
16 Nov 2020
Lead sponsor
BioMarin Pharmaceutical
Diseases
Haemophilia
NCT number
NCT03370913
EudraCT number
2017-003215-19

What you commit to

  • Study type: Interventional · Phase 3
  • Participants enrolled: 144
  • From 19 Dec 2017 to the primary completion date, 16 Nov 2020
  • 49 sites in 13 countries
  • Visits and tests: ask the trial team, the registry does not list them

Built from the registry fields of ClinicalTrials.gov. It describes the study, not your situation.

Who cannot take part

Copied verbatim from ClinicalTrials.gov and grouped by topic. Only the trial team decides who can take part.

Prior treatment

  • Detectable pre-existing antibodies to the adeno-associated virus 5 (AAV5) capsid.
  • Prior liver biopsy showing significant fibrosis.

Other illness

  • Any evidence of active infection or any immunosuppressive disorder, except for HIV infection
  • Any evidence of active infection or any immunosuppressive disorder, including HIV infection (effective as of Protocol Amendment 3)
  • Evidence of any bleeding disorder not related to hemophilia A.
  • Chronic or active hepatitis B.
  • Active Hepatitis C.
  • Active malignancy, except non-melanoma skin cancer.
  • History of hepatic malignancy.
  • History of arterial or venous thromboembolic events.
  • Known inherited or acquired thrombophilia, including conditions associated with increased thromboembolic risk, such as atrial fibrillation.

Lab values

  • Platelet count of \< 100 x 10\^9/L.
  • Creatinine ≥ 1.5 mg/dL.

Other

  • Significant liver dysfunction.
  • Liver cirrhosis of any etiology as assessed by liver ultrasound.

Who the study is looking for

  • Males ≥ 18 years of age with hemophilia A and residual FVIII levels ≤ 1 IU/dL as evidenced by medical history, at the time of signing the informed consent.
  • Must have been on prophylactic FVIII replacement therapy for at least 12 months prior to study entry.
  • Treated/exposed to FVIII concentrates or cryoprecipitate for a minimum of 150 exposure days (EDs).
  • No previous documented history of a detectable FVIII inhibitor, and results from a Bethesda assay or Bethesda assay with Nijmegen modification of less than 0.6 Bethesda Units (BU) on 2 consecutive occasions at least one week apart within the past 12 months.

Age in the registry: 18 years to - · Sex: Male · Does not accept healthy volunteers

Full criteria on ClinicalTrials.gov

Sites (49)

Sites in registry order. Pick your city on the disease page to sort them by distance.

SiteCityCountrySite status
The Royal Adelaide Hospital (RAH)
Coordinator of this site? Confirm its status
AdelaideAustraliaUnknown status
Royal Brisbane and Women's Hospital
Coordinator of this site? Confirm its status
BrisbaneAustraliaUnknown status
Alfred Hospital
Coordinator of this site? Confirm its status
MelbourneAustraliaUnknown status
Fiona Stanley Hospital
Coordinator of this site? Confirm its status
PerthAustraliaUnknown status
Royal Prince Alfred Hospital
Coordinator of this site? Confirm its status
SydneyAustraliaUnknown status
University Hospital Leuven
Coordinator of this site? Confirm its status
LeuvenBelgiumUnknown status
Campinas Estadual University (UNICAMP) / Campinas Hemocentro / Hematologia E Hemoterapia Center
Coordinator of this site? Confirm its status
CampinasBrazilUnknown status
Parana's Hematology And Hemotherapy Center (HEMEPAR)
Coordinator of this site? Confirm its status
CuritibaBrazilUnknown status
Arthur De Siqueira Cavalcanti Hematology State Institute
Coordinator of this site? Confirm its status
Rio de JaneiroBrazilUnknown status
Sao Paulo University Clinical Hospital
Coordinator of this site? Confirm its status
São PauloBrazilUnknown status
Holy Spirit Hematology and Hemotherapy Center
Coordinator of this site? Confirm its status
VitóriaBrazilUnknown status
Vivantes Clinic im Friedrichshain- Landsberger Allee
Coordinator of this site? Confirm its status
BerlinGermanyUnknown status
University Clinic Bonn
Coordinator of this site? Confirm its status
BonnGermanyUnknown status
Hospital Teresa Herrera
Coordinator of this site? Confirm its status
A CoruñaSpainUnknown status
University Hospital Virgen del Rocio (HUVR)
Coordinator of this site? Confirm its status
SevilleSpainUnknown status
Regional University Hospital of Lille (CHRU de Lille)
Coordinator of this site? Confirm its status
LilleFranceUnknown status
Hopital de la Timone Marseille - Assistance Publique des Hopitaux de Marseille
Coordinator of this site? Confirm its status
MarseilleFranceUnknown status
Queen Elizabeth Hospital
Coordinator of this site? Confirm its status
BirminghamUnited KingdomUnknown status
Addenbrookes Hospital
Coordinator of this site? Confirm its status
CambridgeUnited KingdomUnknown status
Glasgow Royal Infirmary, Department of Hematology
Coordinator of this site? Confirm its status
GlasgowUnited KingdomUnknown status
St Thomas Hospital
Coordinator of this site? Confirm its status
LondonUnited KingdomUnknown status
Hammersmith
Coordinator of this site? Confirm its status
LondonUnited KingdomUnknown status
Barts and The London School of Medicine and Dentistry, Haemophilia Centre
Coordinator of this site? Confirm its status
LondonUnited KingdomUnknown status
Churchill Hospital, Oxford Hemophilia and Thrombosis Center
Coordinator of this site? Confirm its status
OxfordUnited KingdomUnknown status
University Hospital Southampton NHS Foundation Trust
Coordinator of this site? Confirm its status
SouthamptonUnited KingdomUnknown status
Chaim Sheba Medical Center
Coordinator of this site? Confirm its status
Ramat GanIsraelUnknown status
Maggiore Polyclinic Hospital, IRCCS Ca' Granda, Center for Hemophilia and Thrombosis Angelo Bianchi Bonomi
Coordinator of this site? Confirm its status
MilanItalyUnknown status
Department of Pediatrics, Kyung Hee University Hospital at Gangdong
Coordinator of this site? Confirm its status
SeoulSouth KoreaUnknown status
Changhua Christian Hospital
Coordinator of this site? Confirm its status
ChanghuaTaiwanUnknown status
Kaohsiung Medical University Chung-Ho Memorial Hospital
Coordinator of this site? Confirm its status
Kaohsiung CityTaiwanUnknown status
Taichung Veterans General Hospital
Coordinator of this site? Confirm its status
TaichungTaiwanUnknown status
National Taiwan University Hospital
Coordinator of this site? Confirm its status
TaipeiTaiwanUnknown status
Tri-Service General Hospital
Coordinator of this site? Confirm its status
TaipeiTaiwanUnknown status
University of Michigan, Pediatric Hematology and Oncology
Coordinator of this site? Confirm its status
Ann ArborUnited StatesUnknown status
University of Colorado
Coordinator of this site? Confirm its status
AuroraUnited StatesUnknown status
UNC Hemophilia and Thrombosis Center
Coordinator of this site? Confirm its status
Chapel HillUnited StatesUnknown status
Ann & Robert H. Lurie Children's Hospital of Chicago, Department of Hematology
Coordinator of this site? Confirm its status
ChicagoUnited StatesUnknown status
Nationwide Children's Hospital
Coordinator of this site? Confirm its status
ColumbusUnited StatesUnknown status
Wayne State University - Detroit Medical Center
Coordinator of this site? Confirm its status
DetroitUnited StatesUnknown status
Los Angeles Orthopedic Hospital, Orthopedic Hemophilia Treatment Center
Coordinator of this site? Confirm its status
Los AngelesUnited StatesUnknown status
James Graham Brown Cancer Center
Coordinator of this site? Confirm its status
LouisvilleUnited StatesUnknown status
University of Minnesota
Coordinator of this site? Confirm its status
MinneapolisUnited StatesUnknown status
Tulane University Hematology & Medical Oncology
Coordinator of this site? Confirm its status
New OrleansUnited StatesUnknown status
UC Davis Hemophilia Treatment Center
Coordinator of this site? Confirm its status
SacramentoUnited StatesUnknown status
University of California San Diego, Hematology and Oncology, Hemophilia &Thrombosis Treatment Center
Coordinator of this site? Confirm its status
San DiegoUnited StatesUnknown status
UCSF Medical Center
Coordinator of this site? Confirm its status
San FranciscoUnited StatesUnknown status
Washington University School of Medicine, Department of Pediatrics, Division of Hematology/Oncology
Coordinator of this site? Confirm its status
St LouisUnited StatesUnknown status
St. Joseph's Children's Hospital - Center for Bleeding and Clotting Disorders
Coordinator of this site? Confirm its status
TampaUnited StatesUnknown status
Charlotte Maxeke Johannesburg Academic Hospital, Hemophilia Comprehensive Care Center
Coordinator of this site? Confirm its status
JohannesburgSouth AfricaUnknown status

This page is information, not medical advice. Discuss any trial with your doctor.