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Condition: Hemophilia B Severe Synced from ClinicalTrials.gov · July 29, 2026

Recruiting studies: Hemophilia B Severe

Studies currently listed as recruiting on the public registry for this search term. Each page explains the study in plain language, with locations and the study team's contact details. Clinicians: generate a printable list for your patient →

A Study to Investigate the Safety and Effectiveness of a Coagulation Factor IX Gene Insertion Therapy (REGV131-LNP1265)
Phase 1/Phase 2 · 44 location(s) · Regeneron Pharmaceuticals · NCT06379789
Efficacy and Safety of CSL222 (Etranacogene Dezaparvovec) Gene Therapy in Adults With Hemophilia B With Pretreatment Ade
Phase 3 · 30 location(s) · CSL Behring · NCT06003387
Phase 3, Open-label, Single-dose Study of CSL222 in Adolescent Male Subjects (≥ 12 to < 18 Years of Age) With Severe or
Phase 3 · 12 location(s) · CSL Behring · NCT07080905
Liver Biopsy In Haemophilia Gene Therapy
NA · 1 location(s) · University College, London · NCT04817462
A Clinical Trial of Study Medicine (Marstacimab) in Pediatric Patients With Hemophilia A or Hemophilia B
Phase 3 · 34 location(s) · Pfizer · NCT05611801
Open-Label Extension Study of Marstacimab in Hemophilia Participants With or Without Inhibitors
Phase 3 · 75 location(s) · Pfizer · NCT05145127
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This page is independently generated by Eichor from the public ClinicalTrials.gov record and re-synced daily. It is not the sponsor's official website unless claimed. Nothing here is medical advice; eligibility is always determined by the study team — talk to your own doctor first.