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ClinicalTrials.gov public records Last synced Oct 10, 2026, 6:35 AM EDT

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Showing 49–72 of 122 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Hemophilia A, Severe Clear all
Active, not recruiting Phase 3 Interventional

Long-term Safety and Efficacy of Efanesoctocog Alfa (BIVV001) in Previously Treated Patients With Hemophilia A

NCT04644575
View directory record Official record
Conditions
Hemophilia A
Interventions
efanesoctocog alfa (BIVV001)
Drug
Lead sponsor
Bioverativ, a Sanofi company
Industry
Eligibility
Not listed
Enrollment
261 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
16
States / cities
Los Angeles, California • San Diego, California • Gainesville, Florida + 12 more
Source: ClinicalTrials.gov public record
Updated Jul 28, 2026 · Synced Oct 10, 2026, 6:35 AM EDT
Completed Phase 1 Interventional

Phase I/IIa Study of FIXFc in Hemophilia B Patients

NCT00716716
View directory record Official record
Conditions
Hemophilia B
Interventions
rFIXFc
Drug
Lead sponsor
Bioverativ Therapeutics Inc.
Industry
Eligibility
18 Years and older · Male only
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
6
States / cities
Chicago, Illinois • Indianapolis, Indiana • Boston, Massachusetts + 3 more
Source: ClinicalTrials.gov public record
Updated Dec 19, 2020 · Synced Oct 10, 2026, 6:35 AM EDT
Completed Phase 2Phase 3 Interventional Results available

A Trial Investigating Safety and Efficacy of Treatment With BAY94-9027 in Severe Hemophilia A

NCT01580293
View directory record Official record
Conditions
Hemophilia A
Interventions
BAY94-9027
Biological
Lead sponsor
Bayer
Industry
Eligibility
12 Years to 65 Years · Male only
Enrollment
145 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2019
U.S. locations
14
States / cities
Tucson, Arizona • Sacramento, California • San Diego, California + 11 more
Source: ClinicalTrials.gov public record
Updated Nov 7, 2023 · Synced Oct 10, 2026, 6:35 AM EDT
Completed Phase 3 Interventional Results available

A Phase 3 Open-label Interventional Study of Intravenous Recombinant Coagulation Factor VIII Fc-von Willebrand Factor-XTEN Fusion Protein, Efanesoctocog Alfa (BIVV001), in Patients With Severe Hemophilia A

NCT04161495
View directory record Official record
Conditions
Factor VIII Deficiency
Interventions
efanesoctocog alfa (BIVV001)
Biological
Lead sponsor
Bioverativ, a Sanofi company
Industry
Eligibility
12 Years and older
Enrollment
159 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
8
States / cities
Los Angeles, California • San Diego, California • Gainesville, Florida + 4 more
Source: ClinicalTrials.gov public record
Updated Sep 17, 2025 · Synced Oct 10, 2026, 6:35 AM EDT
Recruiting Phase 4 Interventional

A Study to Test a Medicine (Fitusiran) for Preventing Bleeds in People With Severe Hemophilia Who Previously Received Preventive Treatment With Emicizumab

NCT06145373
View directory record Official record
Conditions
Hemophilia A
Interventions
Fitusiran (SAR439774), Clotting factor concentrates (CFC) or bypassing agents (BPA), Antithrombin concentrate (ATIIIC), Emicizumab
Drug · Biological
Lead sponsor
Sanofi
Industry
Eligibility
12 Years and older · Male only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2030
U.S. locations
2
States / cities
Los Angeles, California • Flowood, Mississippi
Source: ClinicalTrials.gov public record
Updated Sep 23, 2026 · Synced Oct 10, 2026, 6:35 AM EDT
Enrolling by invitation No phase listed Observational

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

NCT05768386
View directory record Official record
Conditions
Hemophilia A
Interventions
Not listed
Lead sponsor
BioMarin Pharmaceutical
Industry
Eligibility
18 Years and older · Male only
Enrollment
172 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2040
U.S. locations
13
States / cities
Los Angeles, California • Sacramento, California • San Diego, California + 10 more
Source: ClinicalTrials.gov public record
Updated Jan 12, 2026 · Synced Oct 10, 2026, 6:35 AM EDT
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

NCT04370054
View directory record Official record
Conditions
Hemophilia A
Interventions
PF-07055480 (giroctocogene fitelparovec): Recombinant AAV2/6 Human Factor VIII Gene Therapy
Biological
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 64 Years · Male only
Enrollment
77 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
19
States / cities
Mountain View, California • Oakland, California • Palo Alto, California + 5 more
Source: ClinicalTrials.gov public record
Updated Aug 19, 2026 · Synced Oct 10, 2026, 6:35 AM EDT
Completed Phase 3 Interventional Results available

Safety and Efficacy of Turoctocog Alfa Pegol (N8-GP) in Previously Untreated Patients With Haemophilia A

NCT02137850
View directory record Official record
Conditions
Congenital Bleeding Disorder, Haemophilia A
Interventions
turoctocog alfa pegol
Drug
Lead sponsor
Novo Nordisk A/S
Industry
Eligibility
0 Years to 6 Years · Male only
Enrollment
124 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2023
U.S. locations
34
States / cities
Phoenix, Arizona • Long Beach, California • Los Angeles, California + 28 more
Source: ClinicalTrials.gov public record
Updated Dec 23, 2025 · Synced Oct 10, 2026, 6:35 AM EDT
Terminated Phase 3 Interventional Results available

Safety and Efficacy of FVIIa to Prevent Excessive Bleeding in Hemophilia Patients With Inhibitors Undergoing Major Surgery

NCT05695391
View directory record Official record
Conditions
Hemophilia
Interventions
Coagulation Factor VIIa (Recombinant)
Biological
Lead sponsor
Laboratoire français de Fractionnement et de Biotechnologies
Industry
Eligibility
12 Years to 65 Years · Male only
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
5
States / cities
Los Angeles, California • Atlanta, Georgia • New Orleans, Louisiana + 2 more
Source: ClinicalTrials.gov public record
Updated Jul 31, 2026 · Synced Oct 10, 2026, 6:35 AM EDT
Completed Phase 3 Interventional Results available

Study to Investigate Immunogenicity, Efficacy and Safety of Treatment With Human-cl rhFVIII

NCT01992549
View directory record Official record
Conditions
Severe Hemophilia A
Interventions
Human-cl rhFVIII
Biological
Lead sponsor
Octapharma
Industry
Eligibility
Male only
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Jan 19, 2021 · Synced Oct 10, 2026, 6:35 AM EDT
Completed Phase 3 Interventional Results available

Pharmacokinetics and Safety of rFVIIIFc Manufactured at 15,000 L (15K) Scale

NCT02502149
View directory record Official record
Conditions
Severe Hemophilia A
Interventions
rFVIIIFc
Biological
Lead sponsor
Bioverativ Therapeutics Inc.
Industry
Eligibility
12 Years and older · Male only
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
8
States / cities
Los Angeles, California • Chicago, Illinois • Indianapolis, Indiana + 5 more
Source: ClinicalTrials.gov public record
Updated Dec 19, 2020 · Synced Oct 10, 2026, 6:35 AM EDT
Recruiting Phase 1Phase 2 Interventional

A Gene Therapy Study of SPK-8011QQ in Adults With Severe or Moderately Severe Hemophilia A

NCT07226206
View directory record Official record
Conditions
Hemophilia A
Interventions
SPK-8011QQ
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years and older · Male only
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2032
U.S. locations
3
States / cities
Orange, California • San Francisco, California • Vallejo, California
Source: ClinicalTrials.gov public record
Updated Sep 11, 2026 · Synced Oct 10, 2026, 6:35 AM EDT
Completed No phase listed Observational

Evaluation of the Reasons and Consequences of Bleeding in Late Teens and Early Adulthood Patients With Severe Hemophilia A

NCT00782470
View directory record Official record
Conditions
Hematologic Disease, Blood Coagulation Disorders
Interventions
Recombinant Factor VIII (Kogenate, BAY 14-2222)
Behavioral
Lead sponsor
Bayer
Industry
Eligibility
14 Years to 29 Years · Male only
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
7
States / cities
Duarte, California • Denver, Colorado • Peoria, Illinois + 4 more
Source: ClinicalTrials.gov public record
Updated Nov 3, 2014 · Synced Oct 10, 2026, 6:35 AM EDT
Completed Phase 3 Interventional Results available

A Study of PEGylated Recombinant Factor VIII (BAX855) in Previously Untreated Young Children With Severe Hemophilia A

NCT02615691
View directory record Official record
Conditions
Hemophilia A
Interventions
PEGylated Recombinant Factor VIII, ITI
Biological
Lead sponsor
Baxalta now part of Shire
Industry
Eligibility
Up to 5 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2024
U.S. locations
20
States / cities
Phoenix, Arizona • Cupertino, California • Oakland, California + 17 more
Source: ClinicalTrials.gov public record
Updated Jul 28, 2025 · Synced Oct 10, 2026, 6:35 AM EDT
Terminated Phase 3 Interventional Results available

The Hemophilia Inhibitor Prevention Trial

NCT04303559
View directory record Official record
Conditions
Hemophilia A Without Inhibitor
Interventions
Eloctate Injectable Product, Emicizumab Injection [Hemlibra]
Drug
Lead sponsor
Margaret Ragni
Other
Eligibility
4 Months to 4 Years · Male only
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
3
States / cities
Little Rock, Arkansas • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 11, 2023 · Synced Oct 10, 2026, 6:35 AM EDT
Completed No phase listed Observational

Study to Describe the Allergic Reactions to Factor IX in Patients With Hemophilia B

NCT00195221
View directory record Official record
Conditions
Hemophilia B, Allergic Reactions
Interventions
Not listed
Lead sponsor
Wyeth is now a wholly owned subsidiary of Pfizer
Industry
Eligibility
Not listed
Enrollment
166 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
15
States / cities
Phoenix, Arizona • Orange, California • Atlanta, Georgia + 12 more
Source: ClinicalTrials.gov public record
Updated Dec 5, 2007 · Synced Oct 10, 2026, 6:35 AM EDT
Completed Phase 1 Interventional

A Multi-centre, Comparative, Double Blind, Randomised Cross-over Trial Investigating Single Dose Pharmacokinetics and Safety of Turoctocog Alfa Pegol From the Pivotal Process and Turoctocog Alfa Pegol From the Commercial Process in Patients With Severe Haemophilia A

NCT02920398
View directory record Official record
Conditions
Congenital Bleeding Disorder, Haemophilia A
Interventions
turoctocog alfa pegol
Drug
Lead sponsor
Novo Nordisk A/S
Industry
Eligibility
12 Years and older · Male only
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
5
States / cities
Torrance, California • Iowa City, Iowa • Baltimore, Maryland + 2 more
Source: ClinicalTrials.gov public record
Updated Dec 15, 2017 · Synced Oct 10, 2026, 6:35 AM EDT
Completed Phase 2 Interventional Results available

A Trial Evaluating Efficacy and Safety of Prophylactic Administration of Concizumab in Patients With Severe Haemophilia A Without Inhibitors

NCT03196297
View directory record Official record
Conditions
Haemostasis, Haemophilia A
Interventions
Concizumab, Turoctocog alfa
Drug
Lead sponsor
Novo Nordisk A/S
Industry
Eligibility
18 Years and older · Male only
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
5
States / cities
Los Angeles, California • Indianapolis, Indiana • Oklahoma City, Oklahoma + 2 more
Source: ClinicalTrials.gov public record
Updated Nov 16, 2021 · Synced Oct 10, 2026, 6:35 AM EDT
Completed Phase 3 Interventional Results available

An Open-label Safety and Efficacy Study of Recombinant FVIII in Patients With Severe Hemophilia A

NCT02172950
View directory record Official record
Conditions
Hemophilia A, Severe Hemophilia A
Interventions
rVIII-SingleChain
Biological
Lead sponsor
CSL Behring
Industry
Eligibility
Male only
Enrollment
246 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2021
U.S. locations
9
States / cities
San Diego, California • Aurora, Colorado • Hartford, Connecticut + 6 more
Source: ClinicalTrials.gov public record
Updated Oct 27, 2021 · Synced Oct 10, 2026, 6:35 AM EDT
Recruiting No phase listed Observational

A Prospective Assessment of Bone Health in Patients With Severe Hemophilia A on Factor VIII vs Factor Mimetic Prophylaxis (Efa Emi Bone Health Study)

NCT07582276
View directory record Official record
Conditions
Hemophilia a
Interventions
Not listed
Lead sponsor
Arkansas Children's Hospital Research Institute
Other
Eligibility
30 Years to 50 Years · Male only
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2032
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Oct 5, 2026 · Synced Oct 10, 2026, 6:35 AM EDT
Completed Phase 3 Interventional Results available

A Study of Fitusiran in Severe Hemophilia A and B Patients Previously Receiving Factor or Bypassing Agent Prophylaxis

NCT03549871
View directory record Official record
Conditions
Hemophilia
Interventions
Fitusiran, BPA prophylaxis, Factor (FVIII or FIX) prophylaxis
Drug
Lead sponsor
Genzyme, a Sanofi Company
Industry
Eligibility
12 Years and older · Male only
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Feb 6, 2023 · Synced Oct 10, 2026, 6:35 AM EDT
Terminated No phase listed Observational

The Hemophilia Ultrasound Project

NCT02807753
View directory record Official record
Conditions
Hemophilia A, Hemophilia B
Interventions
Ankle and Knee Ultrasound Joint Assessment, Ankle and Knee Magnetic Resonance Imaging
Other
Lead sponsor
University of Miami
Other
Eligibility
Up to 30 Months
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
4
States / cities
Gainesville, Florida • Miami, Florida • Lexington, Kentucky + 1 more
Source: ClinicalTrials.gov public record
Updated Jan 22, 2021 · Synced Oct 10, 2026, 6:35 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Biomarkers Serum Collection Methodology Pilot Study

NCT01318707
View directory record Official record
Conditions
Hemophilia A
Interventions
Not listed
Lead sponsor
Georgetown University
Other
Eligibility
18 Years to 75 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Jul 24, 2012 · Synced Oct 10, 2026, 6:35 AM EDT
Active, not recruiting Phase 3 Interventional Results available

A Study to Evaluate the Efficacy, Safety, Pharmacokinetics, and Pharmacodynamics of Subcutaneous Emicizumab in Participants From Birth to 12 Months of Age With Hemophilia A Without Inhibitors

NCT04431726
View directory record Official record
Conditions
Severe Hemophilia A
Interventions
Emicizumab
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
0 Months to 12 Months
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2030
U.S. locations
6
States / cities
Phoenix, Arizona • Los Angeles, California • Aurora, Colorado + 3 more
Source: ClinicalTrials.gov public record
Updated Oct 1, 2026 · Synced Oct 10, 2026, 6:35 AM EDT