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Showing 1–24 of 40 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Hemophilia B With Inhibitors Clear all
Completed Phase 2Phase 3 Interventional

A Phase 2/ 3 Trial to Evaluate the Efficacy and Safety of BAY86-6150

NCT01625390
View directory record Official record
Conditions
Hemophilia A, Hemophilia B
Interventions
BAY86-6150, eptacog alfa [activated]
Drug
Lead sponsor
Bayer
Industry
Eligibility
12 Years to 62 Years · Male only
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
2
States / cities
Sacramento, California • Chattanooga, Tennessee
Source: ClinicalTrials.gov public record
Updated Jun 30, 2015 · Synced Jul 21, 2026, 4:00 PM EDT
Completed Phase 3 Interventional Results available

LR769 in Congenital Hemophilia Patients With Inhibitors Undergoing Elective Surgery or Invasive Procedures

NCT02548143
View directory record Official record
Conditions
Hemophilia
Interventions
Coagulation Factor VIIa (Recombinant)
Biological
Lead sponsor
Laboratoire français de Fractionnement et de Biotechnologies
Industry
Eligibility
6 Months to 75 Years · Male only
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Feb 24, 2022 · Synced Jul 21, 2026, 4:00 PM EDT
Terminated Phase 3 Interventional Results available

Study of Modified Recombinant Factor VIII (OBI-1) in Subjects With Congenital Hemophilia A

NCT01434511
View directory record Official record
Conditions
Hemophilia A
Interventions
OBI-1
Biological
Lead sponsor
Baxalta now part of Shire
Industry
Eligibility
6 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated May 13, 2021 · Synced Jul 21, 2026, 4:00 PM EDT
Recruiting Phase 4 Interventional

SEVENFACT® for Bleeding Events in Hemophilia With Inhibitors

NCT04647227
View directory record Official record
Conditions
Hemophilia A With Inhibitor, Hemophilia B With Inhibitor
Interventions
coagulation factor VIIa [recombinant]-jncw
Drug
Lead sponsor
American Thrombosis and Hemostasis Network
Network
Eligibility
12 Years to 100 Years
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
21
States / cities
Phoenix, Arizona • Little Rock, Arkansas • Los Angeles, California + 17 more
Source: ClinicalTrials.gov public record
Updated Jan 11, 2026 · Synced Jul 21, 2026, 4:00 PM EDT
Completed Phase 3 Interventional Results available

A Study of Fitusiran (ALN-AT3SC) in Severe Hemophilia A and B Patients With Inhibitors

NCT03417102
View directory record Official record
Conditions
Hemophilia A, Hemophilia B
Interventions
fitusiran, Bypassing agents
Drug
Lead sponsor
Genzyme, a Sanofi Company
Industry
Eligibility
12 Years and older · Male only
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
12
States / cities
Phoenix, Arizona • Los Angeles, California • Orange, California + 9 more
Source: ClinicalTrials.gov public record
Updated Mar 27, 2022 · Synced Jul 21, 2026, 4:00 PM EDT
Completed No phase listed Observational

A Study Following People With Haemophilia A and B, With or Without Inhibitors, When on Usual Treatment (Explorer™6)

NCT03741881
View directory record Official record
Conditions
Haemophilia A, Haemophilia A With Inhibitors, Haemophilia B, Haemophilia B With Inhibitors
Interventions
No treatment given
Other
Lead sponsor
Novo Nordisk A/S
Industry
Eligibility
12 Years and older · Male only
Enrollment
231 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
29
States / cities
Los Angeles, California • Sacramento, California • Aurora, Colorado + 24 more
Source: ClinicalTrials.gov public record
Updated Nov 22, 2021 · Synced Jul 21, 2026, 4:00 PM EDT
Completed No phase listed Observational

Observational Patient Diary Study of Treatment Doses for Patients With Haemophilia With Inhibitors to Factors VIII and IX

NCT00710619
View directory record Official record
Conditions
Congenital Bleeding Disorder, Haemophilia A With Inhibitors, Haemophilia B With Inhibitors
Interventions
activated recombinant human factor VII, Feiba VH
Drug
Lead sponsor
Novo Nordisk A/S
Industry
Eligibility
Male only
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Plainsboro, New Jersey
Source: ClinicalTrials.gov public record
Updated Nov 16, 2016 · Synced Jul 21, 2026, 4:00 PM EDT
Completed No phase listed Observational

A Long-term Assessment of Physical Activity, Range of Motion, and Functional Status Following Elective Orthopedic Surgery in Hemophilia Patients With Inhibitors

NCT01830712
View directory record Official record
Conditions
Congenital Bleeding Disorder, Haemophilia A With Inhibitors, Haemophilia B With Inhibitors
Interventions
eptacog alfa (activated)
Drug
Lead sponsor
Novo Nordisk A/S
Industry
Eligibility
5 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011
U.S. locations
1
States / cities
Princeton, New Jersey
Source: ClinicalTrials.gov public record
Updated Dec 28, 2023 · Synced Jul 21, 2026, 4:00 PM 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 Jun 30, 2026 · Synced Jul 21, 2026, 4:00 PM EDT
Completed Phase 3 Interventional Results available

A Study of Fitusiran (ALN-AT3SC) in Severe Hemophilia A and B Patients Without Inhibitors

NCT03417245
View directory record Official record
Conditions
Hemophilia A, Hemophilia B
Interventions
fitusiran, factor concentrates
Drug
Lead sponsor
Genzyme, a Sanofi Company
Industry
Eligibility
12 Years and older · Male only
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
8
States / cities
Little Rock, Arkansas • Gainesville, Florida • Tampa, Florida + 5 more
Source: ClinicalTrials.gov public record
Updated Mar 27, 2022 · Synced Jul 21, 2026, 4:00 PM EDT
Terminated Phase 3 Interventional

Study of Coagulation Factor VIIa Marzeptacog Alfa (Activated) in Subjects With Hemophilia A or B

NCT04489537
View directory record Official record
Conditions
Hemophilia A With Inhibitor, Hemophilia B With Inhibitor
Interventions
MarzAA
Biological
Lead sponsor
Catalyst Biosciences
Industry
Eligibility
12 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
2
States / cities
Phoenix, Arizona • Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Dec 16, 2021 · Synced Jul 21, 2026, 4:00 PM EDT
Completed Phase 2 Interventional Results available

Pharmacogenetic Testing of Saliva Samples From Patients With Five or More Exposure Days to rFVIIa Analogue in the Adept™2 Trial

NCT02541942
View directory record Official record
Conditions
Congenital Bleeding Disorder, Haemophilia A With Inhibitors, Haemophilia B With Inhibitors
Interventions
No treatment given
Other
Lead sponsor
Novo Nordisk A/S
Industry
Eligibility
12 Years and older · Male only
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
5
States / cities
Tucson, Arizona • Tampa, Florida • Atlanta, Georgia + 2 more
Source: ClinicalTrials.gov public record
Updated Jan 3, 2019 · Synced Jul 21, 2026, 4:00 PM EDT
Completed Phase 2 Interventional Results available

A Trial Evaluating the Efficacy and Safety of Prophylactic Administration of Concizumab in Haemophilia A and B Patients With Inhibitors

NCT03196284
View directory record Official record
Conditions
Congenital Bleeding Disorder, Haemophilia A With Inhibitors, Haemophilia B With Inhibitors
Interventions
Concizumab, Eptacog alfa
Drug
Lead sponsor
Novo Nordisk A/S
Industry
Eligibility
18 Years and older · Male only
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
3
States / cities
Los Angeles, California • Indianapolis, Indiana • Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Oct 21, 2021 · Synced Jul 21, 2026, 4:00 PM EDT
Completed Phase 4 Interventional

Trial of NovoSeven® in Haemophilia - Joint Bleeds

NCT00108797
View directory record Official record
Conditions
Congenital Bleeding Disorder, Haemophilia A With Inhibitors, Haemophilia B With Inhibitors
Interventions
eptacog alfa (activated), Feiba VH
Drug
Lead sponsor
Novo Nordisk A/S
Industry
Eligibility
Up to 20 Years · Male only
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2006
U.S. locations
20
States / cities
Little Rock, Arkansas • Berkeley, California • Los Angeles, California + 16 more
Source: ClinicalTrials.gov public record
Updated Jan 11, 2017 · Synced Jul 21, 2026, 4:00 PM EDT
Completed Phase 3 Interventional

Study of the Efficacy and Safety PF-06741086 in Adult and Teenage Participants With Severe Hemophilia A or Moderately Severe to Severe Hemophilia B

NCT03938792
View directory record Official record
Conditions
Hemophilia A, Hemophilia B
Interventions
PF-06741086
Drug
Lead sponsor
Pfizer
Industry
Eligibility
12 Years to 74 Years · Male only
Enrollment
189 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
4
States / cities
Tampa, Florida • Iowa City, Iowa • New Hyde Park, New York + 1 more
Source: ClinicalTrials.gov public record
Updated Jun 9, 2025 · Synced Jul 21, 2026, 4:00 PM EDT
Recruiting Phase 3 Interventional

SAFE Study: Safety of aPCC Following Emicizumab Prophylaxis

NCT04563520
View directory record Official record
Conditions
Hemophilia A
Interventions
Emicizumab, FEIBA, rFVIIa
Drug
Lead sponsor
Emory University
Other
Eligibility
6 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
2
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Apr 28, 2026 · Synced Jul 21, 2026, 4:00 PM EDT
Completed Early Phase 1 Interventional

Factor IX as Adjunctive Therapy to Emicizumab (EMIX)

NCT05281718
View directory record Official record
Conditions
Hemophilia A
Interventions
Factor IX
Drug
Lead sponsor
Tulane University
Other
Eligibility
12 Years to 120 Years · Male only
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
2
States / cities
Metairie, Louisiana • New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated Jan 19, 2025 · Synced Jul 21, 2026, 4:00 PM EDT
Completed Phase 1 Interventional

Prediction of the Efficacy of Activated Recombinant Human Factor VII in Adult Congenital Haemophilia A or B Patients With Inhibitors by Use of Thromboelastography

NCT01561924
View directory record Official record
Conditions
Congenital Bleeding Disorder, Haemophilia A With Inhibitors, Haemophilia B With Inhibitors
Interventions
eptacog alfa (activated)
Drug
Lead sponsor
Novo Nordisk A/S
Industry
Eligibility
16 Years and older · Male only
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
4
States / cities
Berkeley, California • Los Angeles, California • Iowa City, Iowa + 1 more
Source: ClinicalTrials.gov public record
Updated Nov 22, 2016 · Synced Jul 21, 2026, 4:00 PM EDT
Not listed No phase listed Observational

Natural History Study of Factor IX Treatment and Complications

NCT02502409
View directory record Official record
Conditions
Factor IX Deficiency
Interventions
Standard care with blood and urine sample collection
Other
Lead sponsor
Skane University Hospital
Other
Eligibility
Not listed
Enrollment
550 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2021
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated May 24, 2021 · Synced Jul 21, 2026, 4:00 PM EDT
Completed Phase 2 Interventional

Safety and Efficacy of 3 Different Doses of Long Acting Factor VII in Haemophilia A or B Patients With Inhibitors

NCT00951405
View directory record Official record
Conditions
Congenital Bleeding Disorder, Haemophilia A With Inhibitors, Haemophilia B With Inhibitors
Interventions
activated recombinant human factor VII, long acting
Drug
Lead sponsor
Novo Nordisk A/S
Industry
Eligibility
12 Years to 65 Years · Male only
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
7
States / cities
Little Rock, Arkansas • Los Angeles, California • Orange, California + 4 more
Source: ClinicalTrials.gov public record
Updated Sep 4, 2018 · Synced Jul 21, 2026, 4:00 PM EDT
Completed Phase 4 Interventional

Safety and Efficacy of Activated Recombinant Human Factor VII in Haemophilia Patients With Inhibitors During and After Major Surgery

NCT01561391
View directory record Official record
Conditions
Congenital Bleeding Disorder, Haemophilia A With Inhibitors, Haemophilia B With Inhibitors
Interventions
activated recombinant human factor VII, factor IX, factor VIII
Drug · Other
Lead sponsor
Novo Nordisk A/S
Industry
Eligibility
5 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1998 – 2004
U.S. locations
14
States / cities
Los Angeles, California • Chicago, Illinois • New Orleans, Louisiana + 9 more
Source: ClinicalTrials.gov public record
Updated Dec 28, 2023 · Synced Jul 21, 2026, 4:00 PM 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 With Inhibitors

NCT04083781
View directory record Official record
Conditions
Haemophilia A With Inhibitors, Haemophilia B With Inhibitors
Interventions
Concizumab
Drug
Lead sponsor
Novo Nordisk A/S
Industry
Eligibility
Male only
Enrollment
134 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2027
U.S. locations
7
States / cities
Orange, California • Atlanta, Georgia • Indianapolis, Indiana + 4 more
Source: ClinicalTrials.gov public record
Updated Jun 11, 2026 · Synced Jul 21, 2026, 4:00 PM EDT
Completed No phase listed Observational

Impact of Pain on Functional Impairment and Quality of Life in Adults With Hemophilia

NCT01988532
View directory record Official record
Conditions
Congenital Bleeding Disorder, Haemophilia A, Haemophilia A With Inhibitors, Haemophilia B, Haemophilia B With Inhibitors
Interventions
No treatment given
Other
Lead sponsor
Novo Nordisk A/S
Industry
Eligibility
Male only
Enrollment
381 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Plainsboro, New Jersey
Source: ClinicalTrials.gov public record
Updated Jan 17, 2017 · Synced Jul 21, 2026, 4:00 PM EDT
Completed Phase 2 Interventional

Efficacy of NovoSeven® in Bleeding Prophylaxis in Hemophilia

NCT00108758
View directory record Official record
Conditions
Congenital Bleeding Disorder, Haemophilia A With Inhibitors, Haemophilia B With Inhibitors
Interventions
activated recombinant human factor VII
Drug
Lead sponsor
Novo Nordisk A/S
Industry
Eligibility
2 Years and older · Male only
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2005
U.S. locations
13
States / cities
Berkeley, California • Los Angeles, California • Chicago, Illinois + 9 more
Source: ClinicalTrials.gov public record
Updated Jan 11, 2017 · Synced Jul 21, 2026, 4:00 PM EDT