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Showing 1–24 of 321 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Haemophilia A Clear all
No Longer Available No phase listed Expanded access

Expanded Access to B-Domain Deleted Recombinant Porcine Factor VIII (OBI-1) in the Treatment of Acquired Hemophilia A Due to Factor VIII Inhibitory Auto-antibodies

NCT01968655
View directory record Official record
Conditions
Acquired Hemophilia A
Interventions
OBI-1
Biological
Lead sponsor
Baxalta now part of Shire
Industry
Eligibility
18 Years and older
U.S. locations
4
States / cities
Bethesda, Maryland • Boston, Massachusetts • Hershey, Pennsylvania + 1 more
Source: ClinicalTrials.gov public record
Updated May 4, 2021 · Synced Jul 21, 2026, 5:03 AM EDT
Completed Phase 3 Interventional Results available

Phase 3 Efficacy and Safety Study of BAX 855 in Severe Hemophilia A Patients Undergoing Surgical Procedures

NCT01913405
View directory record Official record
Conditions
Hemophilia A
Interventions
PEGylated Recombinant factor VIII (rFVIII)
Biological
Lead sponsor
Baxalta now part of Shire
Industry
Eligibility
12 Years to 65 Years · Male only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
8
States / cities
Gainesville, Florida • Peoria, Illinois • Louisville, Kentucky + 5 more
Source: ClinicalTrials.gov public record
Updated May 23, 2021 · Synced Jul 21, 2026, 5:03 AM EDT
Completed No phase listed Observational

Exit Interviews to Assess Impact of Infusion Frequency in Hemophilia A

NCT02971930
View directory record Official record
Conditions
Hemophilia A
Interventions
BAY94-9027
Biological
Lead sponsor
Bayer
Industry
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 31, 2018 · Synced Jul 21, 2026, 5:03 AM EDT
Completed Phase 2Phase 3 Interventional

Study of Pharmacokinetics, Efficacy and Safety of a Recombinant and Protein-Free Factor VIII (rAHF-PFM) in Hemophilia A Patients - A Continuation of Clinical Study 069901

NCT00157053
View directory record Official record
Conditions
Hemophilia A
Interventions
Antihemophilic factor, recombinant, manufactured protein-free
Drug
Lead sponsor
Baxalta now part of Shire
Industry
Eligibility
10 Years and older · Male only
Enrollment
82 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2004
U.S. locations
11
States / cities
Aurora, Colorado • Atlanta, Georgia • Peoria, Illinois + 7 more
Source: ClinicalTrials.gov public record
Updated Aug 23, 2021 · Synced Jul 21, 2026, 5:03 AM EDT
Completed Phase 1 Interventional

Safety and Pharmacokinetics of NNC 0129-0000-1003 in Subjects With Haemophilia A

NCT01205724
View directory record Official record
Conditions
Congenital Bleeding Disorder, Haemophilia A
Interventions
turoctocog alfa pegol
Drug
Lead sponsor
Novo Nordisk A/S
Industry
Eligibility
18 Years to 65 Years · Male only
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
5
States / cities
Iowa City, Iowa • Lexington, Kentucky • Baltimore, Maryland + 2 more
Source: ClinicalTrials.gov public record
Updated Feb 9, 2017 · Synced Jul 21, 2026, 5:03 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 11, 2026 · Synced Jul 21, 2026, 5:03 AM EDT
Terminated Phase 3 Interventional Results available

Hemophilia Adult Prophylaxis Study: Factor VIII in Severe Hemophilia A

NCT01405742
View directory record Official record
Conditions
Severe Hemophilia A
Interventions
rF.VIII
Drug
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older · Male only
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
6
States / cities
Washington D.C., District of Columbia • Philadelphia, Pennsylvania • Pittsburgh, Pennsylvania + 2 more
Source: ClinicalTrials.gov public record
Updated Oct 6, 2016 · Synced Jul 21, 2026, 5:03 AM EDT
Completed Phase 3 Interventional Results available

Pharmacokinetic, Efficacy, and Safety Study of Recombinant Factor VIII Single Chain (rVIII-SingleChain) in Children With Severe Hemophilia A

NCT02093897
View directory record Official record
Conditions
Congenital Hemophilia A
Interventions
rVIII-SingleChain
Biological
Lead sponsor
CSL Behring
Industry
Eligibility
Up to 11 Years · Male only
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
2
States / cities
Aurora, Colorado • Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jan 26, 2017 · Synced Jul 21, 2026, 5:03 AM EDT
Completed Phase 1Phase 2 Interventional

Safety, Tolerability, and Efficacy Study of Valoctocogene Roxaparvovec in Hemophilia A With Active or Prior Inhibitors

NCT04684940
View directory record Official record
Conditions
Hemophilia A With Inhibitor, Hemophilia A With Anti Factor VIII
Interventions
Valoctocogene roxaparvovec
Biological
Lead sponsor
BioMarin Pharmaceutical
Industry
Eligibility
18 Years and older · Male only
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jul 9, 2026 · Synced Jul 21, 2026, 5:03 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 22, 2025 · Synced Jul 21, 2026, 5:03 AM EDT
Completed Not applicable Interventional

The Effect of Patient Counseling on Adolescent Hemophilia Patient Compliance With Bleeding Logs

NCT00212459
View directory record Official record
Conditions
Hemophilia A, Hemophilia B
Interventions
Counseling, Control
Behavioral
Lead sponsor
New York Presbyterian Hospital
Other
Eligibility
12 Years to 20 Years · Male only
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 26, 2013 · Synced Jul 21, 2026, 5:03 AM EDT
Active, not recruiting Phase 2 Interventional

Long-term Safety and Efficacy Study and Dose-Escalation Substudy of PF 06838435 in Individuals With Hemophilia B

NCT03307980
View directory record Official record
Conditions
Hemophilia B
Interventions
PF-06838435 (formerly SPK-9001)
Biological
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 65 Years · Male only
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2029
U.S. locations
17
States / cities
Sacramento, California • Metairie, Louisiana • New Orleans, Louisiana + 4 more
Source: ClinicalTrials.gov public record
Updated May 11, 2026 · Synced Jul 21, 2026, 5:03 AM EDT
Completed No phase listed Observational

ATHN 2: Factor Switching Study

NCT02546622
View directory record Official record
Conditions
Hemophilia
Interventions
Factor VIII Replacement Products for Hemophilia which were FDA approved after January 1, 2013, Factor IX Replacement Products for Hemophilia which were FDA approved after January 1, 2013
Biological
Lead sponsor
American Thrombosis and Hemostasis Network
Network
Eligibility
Not listed
Enrollment
310 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
27
States / cities
San Diego, California • Aurora, Colorado • New Haven, Connecticut + 23 more
Source: ClinicalTrials.gov public record
Updated Dec 8, 2021 · Synced Jul 21, 2026, 5:03 AM EDT
Completed Phase 3 Interventional Results available

A Study to Evaluate the Efficacy, Safety, Pharmacokinetics, and Pharmacodynamics of Emicizumab Given Every 4 Weeks in Participants With Hemophilia A

NCT03020160
View directory record Official record
Conditions
Hemophilia A
Interventions
Emicizumab
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
12 Years and older
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
4
States / cities
Sacramento, California • Indianapolis, Indiana • Ann Arbor, Michigan + 1 more
Source: ClinicalTrials.gov public record
Updated Jan 10, 2023 · Synced Jul 21, 2026, 5:03 AM EDT
Withdrawn Phase 3 Interventional

Study of a Gene Therapy Treatment for Hemophilia A

NCT06297486
View directory record Official record
Conditions
Hemophilia A
Interventions
SPK-8011
Genetic
Lead sponsor
Spark Therapeutics, Inc.
Industry
Eligibility
18 Years and older · Male only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2035
U.S. locations
27
States / cities
Phoenix, Arizona • Loma Linda, California • Los Angeles, California + 23 more
Source: ClinicalTrials.gov public record
Updated Dec 12, 2024 · Synced Jul 21, 2026, 5:03 AM EDT
Completed No phase listed Observational

Patient Functioning and Well-being, Economic, and Clinical Impact of Hemophilia A and Its Treatment

NCT02396862
View directory record Official record
Conditions
Hemophilia A
Interventions
Available Recombinant, and Human Factor VIII products incl. Kogenate FS (Recombinant Factor VIII, BAY14-2222)
Drug
Lead sponsor
Bayer
Industry
Eligibility
16 Years and older · Male only
Enrollment
272 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
7
States / cities
Phoenix, Arizona • Aurora, Colorado • Washington D.C., District of Columbia + 4 more
Source: ClinicalTrials.gov public record
Updated Mar 26, 2019 · Synced Jul 21, 2026, 5:03 AM EDT
Active, not recruiting Phase 3 Interventional Results available

Research Study to Look at How Well the Drug Concizumab Works in Your Body if You Have Haemophilia Without Inhibitors

NCT04082429
View directory record Official record
Conditions
Haemophilia A Without Inhibitors, Haemophilia B Without Inhibitors
Interventions
Concizumab
Drug
Lead sponsor
Novo Nordisk A/S
Industry
Eligibility
12 Years and older · Male only
Enrollment
156 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2028
U.S. locations
12
States / cities
Los Angeles, California • Orange, California • Augusta, Georgia + 9 more
Source: ClinicalTrials.gov public record
Updated Jun 11, 2026 · Synced Jul 21, 2026, 5:03 AM EDT
Completed Phase 3 Interventional Results available

Study to Evaluate the Safety, Pharmacokinetics and Efficacy of Recombinant Factor VIII Fc Fusion Protein (rFVIIIFc) in Previously Treated Subjects With Severe Hemophilia A

NCT01181128
View directory record Official record
Conditions
Severe Hemophilia A
Interventions
Factor VIII (rFVIIIFc), Advate®
Drug
Lead sponsor
Bioverativ Therapeutics Inc.
Industry
Eligibility
12 Years and older · Male only
Enrollment
165 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
21
States / cities
Little Rock, Arkansas • Los Angeles, California • Orange, California + 17 more
Source: ClinicalTrials.gov public record
Updated Jan 7, 2021 · Synced Jul 21, 2026, 5:03 AM EDT
Recruiting No phase listed Observational

Prevention of Bleeding in Patients With Moderate and Severe Hemophilia A Playing Sports: A Comparison Between Factor VIII and Emicizumab Prophylaxis

NCT05022459
View directory record Official record
Conditions
Hemophilia A
Interventions
Emicizumab, FVIII
Drug
Lead sponsor
Wayne State University
Other
Eligibility
6 Years to 19 Years
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2029
U.S. locations
10
States / cities
Little Rock, Arkansas • Palo Alto, California • San Diego, California + 7 more
Source: ClinicalTrials.gov public record
Updated Jul 1, 2026 · Synced Jul 21, 2026, 5:03 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 26, 2021 · Synced Jul 21, 2026, 5:03 AM EDT
Completed Phase 3 Interventional Results available

A Study to Evaluate Prospective Efficacy and Safety Data of Current FIX Prophylaxis Replacement Therapy in Adult Hemophilia B Subjects (FIX:C≤2%) or Current FVIII Prophylaxis Replacement Therapy in Adult Hemophilia A Subjects (FVIII:C≤1%)

NCT03587116
View directory record Official record
Conditions
Hemophilia B, Hemophilia A
Interventions
Standard of Care FIX Replacement therapy, Standard of Care FVIII Replacement therapy
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 64 Years · Male only
Enrollment
212 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
13
States / cities
Palo Alto, California • San Francisco, California • Stanford, California + 7 more
Source: ClinicalTrials.gov public record
Updated Nov 5, 2025 · Synced Jul 21, 2026, 5:03 AM EDT
Completed No phase listed Observational

Study of Prophylaxis, ACtivity and Effectiveness (SPACE) in Hemophilia Patients Currently Treated With ADVATE or RIXUBIS

NCT02190149
View directory record Official record
Conditions
Hemophilia A, Hemophilia B
Interventions
ADVATE (Antihemophilic Factor [Recombinant]), RIXUBIS (Coagulation Factor IX [Recombinant])
Biological
Lead sponsor
Baxalta now part of Shire
Industry
Eligibility
13 Years to 65 Years
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
17
States / cities
Los Angeles, California • San Diego, California • Aurora, Colorado + 14 more
Source: ClinicalTrials.gov public record
Updated Mar 16, 2021 · Synced Jul 21, 2026, 5:03 AM EDT
Completed Phase 4 Interventional Results available

BAY14-2222 Prophylaxis and Joint Function Improvement (Adults)

NCT00586521
View directory record Official record
Conditions
Hematologic Disease, Hemophilia A
Interventions
Kogenate (BAY14-2222)
Drug
Lead sponsor
Bayer
Industry
Eligibility
30 Years to 45 Years · Male only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
3
States / cities
Aurora, Colorado • Chapel Hill, North Carolina • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Nov 2, 2014 · Synced Jul 21, 2026, 5:03 AM EDT
Terminated No phase listed Observational

Host Genetic Factors Influencing HIV1 and HCV Viral Loads and AIDS Clinical Progression in a Hemophilia Cohort (HGDS-3)

NCT00340548
View directory record Official record
Conditions
Hemophilia, AIDS
Interventions
Not listed
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
4 Years to 100 Years
Enrollment
333 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2020
U.S. locations
15
States / cities
La Jolla, California • Los Angeles, California • Indianapolis, Indiana + 11 more
Source: ClinicalTrials.gov public record
Updated Jan 12, 2020 · Synced Jul 21, 2026, 5:03 AM EDT