Hemophilia B

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At a Glance

Live from database

Regulatory Watchboard

10 events
Feb 2026Validity and Reliability of the Two-minute Step Test in Hemophilia

Hasan Kalyoncu University

TrialNOT YET RECRUITING
Dec 2025A 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

Sanofi — PHASE3

TrialRECRUITING
Jul 2025Phase 3, Open-label, Single-dose Study of CSL222 in Adolescent Male Subjects (≥ 12 to < 18 Years of Age) With Severe or Moderately Severe Hemophilia B

CSL Behring — PHASE3

TrialRECRUITING
Dec 2024BeCoMe-9: A Clinical Study of BE-101 for the Treatment of Adults With Moderately Severe or Severe Hemophilia B

Be Biopharma — PHASE1, PHASE2

TrialRECRUITING
Apr 2024Efficacy and Safety of KN057 Prophylaxis in Patients With Haemophilia A or B Without Inhibitors

Suzhou Alphamab Co., Ltd. — PHASE3

TrialACTIVE NOT RECRUITING
Jan 2024Efficacy and Safety of CSL222 (Etranacogene Dezaparvovec) Gene Therapy in Adults With Hemophilia B With Pretreatment Adeno-associated Virus Serotype 5 (AAV5) Neutralizing Antibodies (Nabs)

CSL Behring — PHASE3

TrialRECRUITING
Jun 2023An Observational Cohort Study to Characterize the Effectiveness and Safety of HEMGENIX® in Patients With Hemophilia B

CSL Behring

TrialRECRUITING
Apr 2023The Efficacy and Safety of ZS801 in Chinese Hemophilia B Patients.

Institute of Hematology & Blood Diseases Hospital, China — NA

TrialRECRUITING
Mar 2023Gene Therapy for Hemophilia B Patients Aged 12-18 Years Old

Institute of Hematology & Blood Diseases Hospital, China — PHASE1

TrialRECRUITING
Feb 2023A Study to Test a Medicine (Fitusiran) Injected Under the Skin for Preventing Bleeding Episodes in Male Adolescent or Adult Participants With Severe Hemophilia

Sanofi — PHASE3

TrialACTIVE NOT RECRUITING

Data from FDA regulatory filings and ClinicalTrials.gov. Updated periodically.

Financial Assistance

4 programs

FINANCIAL LANDSCAPE SUMMARY

4

Total programs

4

Open now

3

Copay cards

Copay Assistance3

Hemgenix

CSL Behring

OpenContact for detailsApply ↗

Ixinity

Medexus

OpenContact for detailsApply ↗

REBINYN

Novo Nordisk

OpenContact for detailsApply ↗

Patient Assistance Programs1

ALPROLIX

Bioverativ Therapeutics, Inc.

OpenContact for details

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Approved Treatments

6 FDA-approved

REBINYN

(COAGULATION FACTOR IX RECOMBINANT, GLYCOPEGYLATED)Orphan drug

Novo Nordisk

FDA label ↗

Ixinity

(COAGULATION FACTOR IX (RECOMBINANT))Orphan drug

Medexus Pharma, Inc.

FDA label ↗

HEMGENIX

(ETRANACOGENE DEZAPARVOVEC)Orphan drug

CSL Behring

FDA label ↗

Alhemo

(CONCIZUMAB)Orphan drug

Novo Nordisk

FDA label ↗

Qfitlia

(FITUSIRAN)Orphan drug

Genzyme Corporation

FDA label ↗

ALPROLIX

(Coagulation factor IX (recombinant), Fc fusion protein)Orphan drugstandard

Bioverativ Therapeutics, Inc.

View full treatment details on disease page →

Clinical Trial Landscape

18 active trials
6Phase 3
2Phase 1
3N/A
2Unknown
3PHASE1, PHASE2
1PHASE2, PHASE3
1EARLY_PHASE1
18Total recruiting
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Recent News & Research

6 articles
Thrombosis researchApr 17, 2026

Pseudoexon inclusion induced by three deep intronic variants in hemophilia B and correction achieved through an antisense oligonucleotide-based strategy.

Although studies have identified deep intronic variants associated with hemophilia B in patients undiagnosed by conventional genetic testing, knowledge in this field remains limited. Long range-PCR of...

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Blood advancesApr 15, 2026

Safety, efficacy and patient-reported outcomes 6 years after fidanacogene elaparvovec in adults with hemophilia B.

Fidanacogene elaparvovec is a single-dose gene therapy designed to express the high-activity factor IX (FIX) variant FIX-R338L. Participants (N=15) with FIX activity &#x2264;2% were dosed with 5&#xd7;...

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Journal of thrombosis and haemostasis : JTHApr 12, 2026

Diagnosis and management of hemophilia A and B.

Hemophilia A and hemophilia B are inherited bleeding disorders caused by a deficiency or absence of coagulation factor VIII (FVIII) and factor IX (FIX), respectively. The severity of bleeding manifest...

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Thrombosis researchApr 11, 2026

Optimized AAVrh10 and Factor 9 vectors demonstrate improved phenotypic rescue in hemophilia B mice.

Hemophilia B is an X-linked bleeding disorder caused by a functional deficiency of coagulation factor IX (FIX). Adeno-associated virus (AAV) mediated gene therapy based on vector serotypes 5 and 8, ha...

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Expert review of clinical pharmacologyMar 16, 2026

Is marstacimab the next step in personalized and effective haemophilia management?

Is marstacimab the next step in personalized and effective haemophilia management?

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Molecular therapy : the journal of the American Society of Gene TherapyMar 7, 2026

Comparative evaluation of liver-directed knockin strategies with viral and nonviral vectors in mouse inherited disease models.

CRISPR-Cas9-mediated gene knockin has emerged as a promising strategy for early-onset genetic disease intervention. However, the therapeutic efficacy and editing outcomes of different knockin strategi...

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Specialist Network

Top 6 by expertise

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