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Active, not recruiting Phase 3 Interventional Results available

Study to Evaluate the Efficacy and Safety of PF-07055480 / Giroctocogene Fitelparvovec Gene Therapy in Moderately Severe to Severe Hemophilia A Adults

ClinicalTrials.gov ID: NCT04370054

Public ClinicalTrials.gov record NCT04370054. 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 May 21, 2026, 12:34 AM EDT

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

Official title

Phase 3, Open-Label, Single-Arm Study to Evaluate the Efficacy and Safety of PF-07055480 (Recombinant AAV2/6 Human Factor VIII Gene Therapy) in Adult Male Participants With Moderately Severe to Severe Hemophilia A(FVIII:C≤1%)

Study identification

NCT ID
NCT04370054
Recruitment status
Active, not recruiting
Study type
Interventional
Phase
Phase 3
Lead sponsor
Pfizer
Industry
Enrollment
77 participants

Conditions and interventions

Conditions

Interventions

  • PF-07055480 (giroctocogene fitelparovec): Recombinant AAV2/6 Human Factor VIII Gene Therapy Biological

Biological

Eligibility (public fields only)

Age range
18 Years to 64 Years
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
Aug 17, 2020
Primary completion
Jun 16, 2024
Completion
Oct 24, 2026
Last update posted
May 17, 2026

2020 – 2026

United States locations

U.S. sites
19
U.S. states
2
U.S. cities
8
Facility City State ZIP Site status
NOW Physical Therapy Mountain View California 94040
Regents of The University of California Oakland California 94607
Clinical and Translational Research Unit (CTRU) Palo Alto California 94304
Lucile Packard Childrens Hospital Palo Alto California 94304
Imaging Clinic at Stanford Medicine Outpatient Center in Redwood City Redwood City California 94063
The Board of Trustees of the Leland Stanford Junior University Redwood City California 94063
UCSF Outpatient Radiology. San Francisco California 94115
UCSF IDS Pharmacy San Francisco California 94143
UCSF lnvestigational Drug Service San Francisco California 94143
UCSF Outpatient Radiology (alternate location) San Francisco California 94143
UCSF Outpatient Radiology San Francisco California 94143
University of California, San Francisco - Clinical Research Center San Francisco California 94143
University of California, San Francisco - Moffitt/Long Inpatient Hematology San Francisco California 94143
University of California, San Francisco - Outpatient Hematology Clinic San Francisco California 94143
Access Sourcecorp Deliverex (off-site storage) San Jose California 95131
Stanford Health Care (hospital and IDS pharmacy) Stanford California 94305
Stanford Health Care Stanford California 94305
Washington Institute for Coagulation Seattle Washington 98101
University of Washington Medical Center - Translational Research Unit (TRU) Seattle Washington 98195

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 26 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04370054, 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 May 17, 2026 · Synced May 21, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT04370054 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →