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Showing 1–12 of 12 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Haemophilia A Without Inhibitor Clear all
Completed Phase 3 Interventional Results available

A Study to Evaluate the Safety, Efficacy, Pharmacokinetics and Pharmacodynamics of Emicizumab in Participants With Mild or Moderate Hemophilia A Without FVIII Inhibitors

NCT04158648
View directory record Official record
Conditions
Mild Hereditary Factor VIII Deficiency Disease Without Inhibitor, Moderate Hereditary Factor VIII Deficiency Disease Without Inhibitor, Hemophilia A
Interventions
Emicizumab
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
Not listed
Enrollment
73 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
5
States / cities
Los Angeles, California • Atlanta, Georgia • Indianapolis, Indiana + 2 more
Source: ClinicalTrials.gov public record
Updated Jan 22, 2026 · Synced Jul 22, 2026, 3:50 AM 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 Jan 31, 2023 · Synced Jul 22, 2026, 3:50 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 15, 2021 · Synced Jul 22, 2026, 3:50 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 10, 2023 · Synced Jul 22, 2026, 3:50 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 Jun 30, 2026 · Synced Jul 22, 2026, 3:50 AM EDT
Recruiting Phase 1 Interventional

A Study to Learn About How Changing Therapy From Emicizumab to Marstacimab Affects People With the Severe Hemophilia A.

NCT06703606
View directory record Official record
Conditions
Severe Hemophilia A
Interventions
MARSTACIMAB
Drug
Lead sponsor
Pfizer
Industry
Eligibility
12 Years to 74 Years · Male only
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
3
States / cities
Los Angeles, California • Greenville, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 2, 2026 · Synced Jul 22, 2026, 3:50 AM 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 22, 2026, 3:50 AM 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 11, 2025 · Synced Jul 22, 2026, 3:50 AM EDT
Completed Not applicable Interventional

Rescue Immunotolerance Study in Induction of Immune Tolerance (ITI)-Experienced Patients (RES.I.S.T. Experienced)

NCT01051076
View directory record Official record
Conditions
Severe Hemophilia A
Interventions
VWF/FVIII concentrates
Drug
Lead sponsor
City of Hope Medical Center
Other
Eligibility
Male only
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2020
U.S. locations
1
States / cities
Duarte, California
Source: ClinicalTrials.gov public record
Updated Aug 22, 2021 · Synced Jul 22, 2026, 3:50 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 Jul 6, 2026 · Synced Jul 22, 2026, 3:50 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 22, 2026, 3:50 AM EDT
Terminated Phase 1Phase 2 Interventional Results available

Safety & Efficacy of Encapsulated Allogeneic FVIII Cell Therapy in Haemophilia A

NCT04541628
View directory record Official record
Conditions
Hemophilia A
Interventions
SIG-001
Combination Product
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years and older · Male only
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
3
States / cities
Indianapolis, Indiana • Boston, Massachusetts • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Sep 3, 2024 · Synced Jul 22, 2026, 3:50 AM EDT