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ClinicalTrials.gov public records Last synced Oct 23, 2026, 7:14 PM EDT

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Showing 1–12 of 12 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Bypassing Agents Clear all
Recruiting Phase 4 Interventional

A Study to Test a Medicine (Fitusiran) for Preventing Bleeds in People With Severe Hemophilia Who Previously Received Preventive Treatment With Emicizumab

NCT06145373
View directory record Official record
Conditions
Hemophilia A
Interventions
Fitusiran (SAR439774), Clotting factor concentrates (CFC) or bypassing agents (BPA), Antithrombin concentrate (ATIIIC), Emicizumab
Drug · Biological
Lead sponsor
Sanofi
Industry
Eligibility
12 Years and older · Male only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2030
U.S. locations
2
States / cities
Los Angeles, California • Flowood, Mississippi
Source: ClinicalTrials.gov public record
Updated Sep 23, 2026 · Synced Oct 23, 2026, 7:14 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 20, 2025 · Synced Oct 23, 2026, 7:14 PM EDT
Active, not recruiting Phase 3 Interventional

A Study to Test a Medicine (Fitusiran) Injected Under the Skin for Preventing Bleeding Episodes in Male Adolescent or Adult Participants With Severe Hemophilia

NCT05662319
View directory record Official record
Conditions
Hemophilia
Interventions
Fitusiran, Clotting factor concentrates (CFC) or bypassing agents (BPA), Antithrombin concentrate (ATIIIC)
Drug
Lead sponsor
Sanofi
Industry
Eligibility
12 Years and older · Male only
Enrollment
91 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2029
U.S. locations
8
States / cities
Orange, California • Minneapolis, Minnesota • Hackensack, New Jersey + 5 more
Source: ClinicalTrials.gov public record
Updated Feb 4, 2026 · Synced Oct 23, 2026, 7:14 PM EDT
Recruiting Phase 3 Interventional

A Study to Assess the Efficacy and Safety of Emicizumab in Participants With Type 3 Von Willebrand Disease

NCT06998524
View directory record Official record
Conditions
Von Willebrand Disease, Type 3
Interventions
Emicizumab, von Willebrand Factor (VWF) Concentrates, Factor VIII (FVIII) Concentrates, von Willebrand Factor (VWF) and Factor VIII (FVIII) Concentrates, Bypassing Agents
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
1 Month and older
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
6
States / cities
Sacramento, California • Gainesville, Florida • Lexington, Kentucky + 3 more
Source: ClinicalTrials.gov public record
Updated Oct 9, 2026 · Synced Oct 23, 2026, 7:14 PM EDT
Completed No phase listed Observational

A Prospective Study to Collect High-Quality Documentation of Bleeds, Health-Related Quality of Life (HRQoL), and Safety Outcomes in Patients With Hemophilia A Treated With Standard-of-Care Treatment

NCT02476942
View directory record Official record
Conditions
Hemophilia A
Interventions
Bypassing Agents, FVIII Replacement
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
Not listed
Enrollment
221 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
10
States / cities
Santa Monica, California • Aurora, Colorado • Washington D.C., District of Columbia + 7 more
Source: ClinicalTrials.gov public record
Updated May 30, 2017 · Synced Oct 23, 2026, 7:14 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 28, 2022 · Synced Oct 23, 2026, 7:14 PM EDT
Completed Phase 3 Interventional Results available

A Study to Evaluate the Efficacy, Safety, and Pharmacokinetics of Prophylactic Emicizumab Versus no Prophylaxis in Hemophilia A Participants With Inhibitors

NCT02622321
View directory record Official record
Conditions
Hemophilia A
Interventions
Emicizumab, rFVIIa, aPCC
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
12 Years and older
Enrollment
113 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
11
States / cities
Los Angeles, California • Santa Monica, California • Aurora, Colorado + 8 more
Source: ClinicalTrials.gov public record
Updated Jun 24, 2021 · Synced Oct 23, 2026, 7:14 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 17, 2016 · Synced Oct 23, 2026, 7:14 PM EDT
Recruiting Phase 3 Interventional

A Study to Investigate the Efficacy and Safety of Fitusiran Prophylaxis in Male Participants Aged 1 to Less Than 12 Years With Hemophilia A or B

NCT07285460
View directory record Official record
Conditions
Hemophilia
Interventions
Fitusiran, Clotting factor concentrates (CFC) or bypassing agents (BPA), Antithrombin concentrate (ATIIIC)
Drug · Biological
Lead sponsor
Sanofi
Industry
Eligibility
1 Year to 11 Years · Male only
Enrollment
85 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2031
U.S. locations
10
States / cities
Los Angeles, California • Orange, California • Torrance, California + 6 more
Source: ClinicalTrials.gov public record
Updated Oct 19, 2026 · Synced Oct 23, 2026, 7:14 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 Oct 23, 2026, 7:14 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 Sep 9, 2026 · Synced Oct 23, 2026, 7:14 PM EDT
Active, not recruiting Phase 2 Interventional

Emicizumab in Patients With Acquired Hemophilia A

NCT05345197
View directory record Official record
Conditions
Acquired Hemophilia A
Interventions
emicizumab
Drug
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
16
States / cities
San Diego, California • Washington D.C., District of Columbia • Atlanta, Georgia + 13 more
Source: ClinicalTrials.gov public record
Updated Nov 5, 2025 · Synced Oct 23, 2026, 7:14 PM EDT