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ClinicalTrials.gov public records Last synced Sep 30, 2026, 1:59 PM EDT

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Showing 1–10 of 10 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Haemophilia B Without Inhibitors Clear all
Completed Phase 1 Interventional Results available

Phase 1 Safety, Pharmacokinetics And Pharmacodynamics Study Of Recombinant Factor VIIa Variant (813d) In Adult Subjects With Hemophilia

NCT01439971
View directory record Official record
Conditions
Hemophilia A
Interventions
PF-05280602
Biological
Lead sponsor
Catalyst Biosciences
Industry
Eligibility
18 Years to 64 Years · Male only
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
9
States / cities
San Diego, California • New Haven, Connecticut • Chicago, Illinois + 3 more
Source: ClinicalTrials.gov public record
Updated May 12, 2017 · Synced Sep 30, 2026, 1:59 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 Jul 1, 2026 · Synced Sep 30, 2026, 1:59 PM EDT
Recruiting Phase 3 Interventional

A Clinical Trial of Study Medicine (Marstacimab) in Pediatric Patients With Hemophilia A or Hemophilia B

NCT05611801
View directory record Official record
Conditions
Hemophilia A, Hemophilia B
Interventions
marstacimab
Drug
Lead sponsor
Pfizer
Industry
Eligibility
1 Year to 17 Years · Male only
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2028
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Sep 23, 2026 · Synced Sep 30, 2026, 1:59 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 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 Sep 16, 2026 · Synced Sep 30, 2026, 1:59 PM EDT
Completed No phase listed Observational

ATHN 8: Previously Untreated Patients (PUPs) Matter Study

NCT03818529
View directory record Official record
Conditions
Hemophilia, Hemophilia A, Hemophilia B, Hemophilia A With Inhibitor, Hemophilia B With Inhibitor, Haemophilia B Without Inhibitor, Haemophilia A Without Inhibitor, Haemophilia
Interventions
Not listed
Lead sponsor
American Thrombosis and Hemostasis Network
Network
Eligibility
0 Years to 13 Years
Enrollment
237 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
27
States / cities
Phoenix, Arizona • Madera, California • San Diego, California + 24 more
Source: ClinicalTrials.gov public record
Updated Feb 1, 2023 · Synced Sep 30, 2026, 1:59 PM EDT
Active, not recruiting Phase 3 Interventional

A Research Study on How Well Concizumab Works for You if You Have Haemophilia A or B With or Without Inhibitors

NCT05135559
View directory record Official record
Conditions
Haemophilia A and B With and Without Inhibitors
Interventions
Concizumab
Drug
Lead sponsor
Novo Nordisk A/S
Industry
Eligibility
Not listed
Enrollment
153 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2029
U.S. locations
19
States / cities
San Diego, California • Aurora, Colorado • Orlando, Florida + 14 more
Source: ClinicalTrials.gov public record
Updated Sep 18, 2026 · Synced Sep 30, 2026, 1:59 PM EDT
Completed No phase listed Observational

ATHN 7: Hemophilia Natural History Study

NCT03619863
View directory record Official record
Conditions
Hemophilia A With Inhibitor, Haemophilia A Without Inhibitor, Hemophilia B With Inhibitor, Haemophilia B Without Inhibitor
Interventions
Not listed
Lead sponsor
American Thrombosis and Hemostasis Network
Network
Eligibility
Not listed
Enrollment
395 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
29
States / cities
Phoenix, Arizona • Los Angeles, California • San Diego, California + 23 more
Source: ClinicalTrials.gov public record
Updated Feb 12, 2025 · Synced Sep 30, 2026, 1:59 PM EDT
Completed Phase 3 Interventional Results available

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
188 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 Aug 14, 2026 · Synced Sep 30, 2026, 1:59 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 23, 2021 · Synced Sep 30, 2026, 1:59 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 28, 2022 · Synced Sep 30, 2026, 1:59 PM EDT