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ClinicalTrials.gov public records Last synced Oct 5, 2026, 6:58 AM EDT

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Showing 1–24 of 122 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Severe Hemophilia A Clear all
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 5, 2026, 6:58 AM EDT
Completed Phase 2Phase 3 Interventional Results available

An Open-label Safety, Efficacy and Pharmacokinetic Study of a Recombinant FVIII Compared to Recombinant Human Antihemophilic FVIII in Patients With Severe Hemophilia A

NCT01486927
View directory record Official record
Conditions
Hemophilia A
Interventions
rVIII-SingleChain, Octocog alfa
Biological
Lead sponsor
CSL Behring
Industry
Eligibility
12 Years to 65 Years · Male only
Enrollment
175 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
9
States / cities
Sacramento, California • San Diego, California • Aurora, Colorado + 6 more
Source: ClinicalTrials.gov public record
Updated Aug 9, 2016 · Synced Oct 5, 2026, 6:58 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 27, 2017 · Synced Oct 5, 2026, 6:58 AM EDT
Completed No phase listed Observational

Safety and Efficacy of Turoctocog Alfa During Long-Term Treatment of Severe and Moderately Severe Haemophilia A

NCT02035384
View directory record Official record
Conditions
Congenital Bleeding Disorder, Haemophilia A
Interventions
turoctocog alfa
Drug
Lead sponsor
Novo Nordisk A/S
Industry
Eligibility
Male only
Enrollment
69 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
6
States / cities
Mobile, Alabama • Torrance, California • Peoria, Illinois + 3 more
Source: ClinicalTrials.gov public record
Updated Apr 27, 2020 · Synced Oct 5, 2026, 6:58 AM EDT
Completed Phase 3 Interventional Results available

Assess the Efficacy and Safety of Personalized Prophylaxis Human-cl rhFVIII in Patients With Severe Haemophilia A

NCT02256917
View directory record Official record
Conditions
Severe Haemophilia A
Interventions
Human cl rhFVIII
Biological
Lead sponsor
Octapharma
Industry
Eligibility
18 Years and older · Male only
Enrollment
58 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
9
States / cities
Sacramento, California • Aurora, Colorado • Washington D.C., District of Columbia + 6 more
Source: ClinicalTrials.gov public record
Updated Jan 19, 2021 · Synced Oct 5, 2026, 6:58 AM EDT
Completed No phase listed Observational

Platelet Function in Patients With Hemophilia A

NCT02093065
View directory record Official record
Conditions
Hemophilia A
Interventions
Not listed
Lead sponsor
Boston Children's Hospital
Other
Eligibility
2 Years to 18 Years · Male only
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 14, 2020 · Synced Oct 5, 2026, 6:58 AM EDT
Terminated Phase 1Phase 2 Interventional

BeCoMe-9: A Clinical Study of BE-101 for the Treatment of Adults With Moderately Severe or Severe Hemophilia B

NCT06611436
View directory record Official record
Conditions
Hemophilia B, Hemophilia B, Moderately Severe or Severe
Interventions
BE-101
Drug
Lead sponsor
Be Biopharma
Industry
Eligibility
18 Years and older · Male only
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
5
States / cities
Davis, California • Washington D.C., District of Columbia • Ann Arbor, Michigan + 2 more
Source: ClinicalTrials.gov public record
Updated Jun 15, 2026 · Synced Oct 5, 2026, 6:58 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 5, 2026, 6:58 AM EDT
Completed Phase 1Phase 2 Interventional Results available

A Study of BAX 888 in Male Adults With Severe Hemophilia A

NCT03370172
View directory record Official record
Conditions
Hemophilia A
Interventions
BAX 888
Drug
Lead sponsor
Baxalta now part of Shire
Industry
Eligibility
18 Years to 75 Years · Male only
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
8
States / cities
Phoenix, Arizona • Los Angeles, California • Sacramento, California + 5 more
Source: ClinicalTrials.gov public record
Updated Sep 11, 2025 · Synced Oct 5, 2026, 6:58 AM EDT
Completed Phase 1 Interventional

Study of Recombinant Factor VIII Fc Fusion Protein (rFVIIIFc) in Subjects With Severe Hemophilia A

NCT01027377
View directory record Official record
Conditions
Severe Hemophilia A
Interventions
rFVIIIFc
Drug
Lead sponsor
Bioverativ Therapeutics Inc.
Industry
Eligibility
12 Years and older · Male only
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
5
States / cities
Los Angeles, California • Sacramento, California • Waltham, Massachusetts + 2 more
Source: ClinicalTrials.gov public record
Updated Dec 19, 2020 · Synced Oct 5, 2026, 6:58 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 5, 2026, 6:58 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Phase 1 Study of an Investigational Drug, ALN-AT3SC, in Healthy Volunteers and Hemophilia A or B Patients

NCT02035605
View directory record Official record
Conditions
Hemophilia A, Hemophilia B
Interventions
ALN-AT3SC, Sterile Normal Saline (0.9% NaCl)
Drug
Lead sponsor
Sanofi
Industry
Eligibility
18 Years to 65 Years · Male only
Enrollment
51 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2017
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 19, 2020 · Synced Oct 5, 2026, 6:58 AM EDT
Completed Phase 2 Interventional Results available

A Study of Recombinant AAV2/6 Human Factor 8 Gene Therapy SB-525 (PF-07055480) in Subjects With Severe Hemophilia A

NCT03061201
View directory record Official record
Conditions
Hemophilia A
Interventions
SB-525 (PF-07055480)
Biological
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older · Male only
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2024
U.S. locations
22
States / cities
Little Rock, Arkansas • Duarte, California • Sacramento, California + 7 more
Source: ClinicalTrials.gov public record
Updated Sep 30, 2025 · Synced Oct 5, 2026, 6:58 AM EDT
Completed Phase 4 Interventional Results available

A Study to Evaluate Efficacy of rFVIIIFc for Immune Tolerance Induction (ITI) in Severe Hemophilia A Participants With Inhibitors Undergoing the First ITI Treatment (verITI-8 Study)

NCT03093480
View directory record Official record
Conditions
Hemophilia A With Inhibitors
Interventions
rFVIIIFc
Biological
Lead sponsor
Bioverativ, a Sanofi company
Industry
Eligibility
Male only
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
12
States / cities
Orange, California • Aurora, Colorado • Washington D.C., District of Columbia + 9 more
Source: ClinicalTrials.gov public record
Updated Mar 28, 2022 · Synced Oct 5, 2026, 6:58 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 5, 2026, 6:58 AM EDT
Recruiting Phase 3 Interventional

Open-Label Extension Study of Marstacimab in Hemophilia Participants With or Without Inhibitors

NCT05145127
View directory record Official record
Conditions
Hemophilia A, Hemophilia B
Interventions
PF-06741086
Drug
Lead sponsor
Pfizer
Industry
Eligibility
1 Year to 74 Years · Male only
Enrollment
245 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2030
U.S. locations
4
States / cities
Iowa City, Iowa • New Hyde Park, New York • Philadelphia, Pennsylvania + 1 more
Source: ClinicalTrials.gov public record
Updated Jul 1, 2026 · Synced Oct 5, 2026, 6:58 AM EDT
Active, not recruiting Phase 3 Interventional Results available

A Study to Evaluate the Efficacy and Safety of Factor IX Gene Therapy With PF-06838435 in Adult Males With Moderately Severe to Severe Hemophilia B

NCT03861273
View directory record Official record
Conditions
Hemophilia B
Interventions
PF-06838435/ fidanacogene elaparvovec
Biological
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 65 Years · Male only
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2031
U.S. locations
17
States / cities
San Francisco, California • Aurora, Colorado • Indianapolis, Indiana + 3 more
Source: ClinicalTrials.gov public record
Updated Jun 1, 2026 · Synced Oct 5, 2026, 6:58 AM EDT
Completed No phase listed Observational

Females With Severe or Moderate Hemophilia A or B: A Multi-Center Study

NCT00936845
View directory record Official record
Conditions
Hemophilia A, Hemophilia B
Interventions
Not listed
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
1 Month and older · Female only
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2010
U.S. locations
18
States / cities
Duarte, California • Aurora, Colorado • Washington D.C., District of Columbia + 15 more
Source: ClinicalTrials.gov public record
Updated Dec 10, 2012 · Synced Oct 5, 2026, 6:58 AM EDT
Withdrawn Phase 3 Interventional

Hemophilia Inhibitor Clinical Trials (INHIBIT) Platform

NCT02196207
View directory record Official record
Conditions
Severe Hemophilia A
Interventions
Eloctate Prophylaxis, Emicizumab Prophylaxis, Eloctate ITI plus Emicizumab, Eloctate ITI
Drug
Lead sponsor
Margaret Ragni
Other
Eligibility
4 Months to 99 Years · Male only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 20, 2019 · Synced Oct 5, 2026, 6:58 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 5, 2026, 6:58 AM EDT
Active, not recruiting Phase 4 Interventional

A Study to Evaluate Overall Health, Physical Activity, and Joint Outcomes in Participants With Severe or Moderate Hemophilia A Without Factor VIII Inhibitors on Emicizumab Prophylaxis

NCT05181618
View directory record Official record
Conditions
Severe Hemophilia A, Moderate Hemophilia A
Interventions
Emicizumab
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
13 Years to 69 Years
Enrollment
136 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
3
States / cities
Los Angeles, California • Miami, Florida • Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Jul 27, 2026 · Synced Oct 5, 2026, 6:58 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 7, 2016 · Synced Oct 5, 2026, 6:58 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 5, 2026, 6:58 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 5, 2026, 6:58 AM EDT