hemophilia B

MeSH: D002836ORPHA: 988793 Treatments Available

Overview

inherited blood coagulation disease that has material basis in Factor IX deficiency, which makes coagulation much more prolonged. The disease is inherited as an X-linked recessive trait

Available Treatments (3)

DrugFormStatusCountriesLead Time
fitusiran
Orphan Cold Chain
Injection, subcutaneousFDA Approved1
fidanacogene elaparvovec
Orphan Cold Chain
FDA Approved (2024)1
marstacimab
Orphan Cold Chain
FDA Approved (2024)1

Clinical Presentation

Signs and symptoms associated with hemophilia B, sourced from HPO and Orphanet clinical annotations.

HematuriaPoor wound healingIntracranial hemorrhageProlonged bleeding timeProlonged partial thromboplastin timeSpontaneous, recurrent epistaxisProlonged bleeding after surgeryJoint hemorrhageProlonged bleeding after dental extractionReduced factor IX activityIntramuscular hematomaCephalohematomaDelayed onset bleedingMenometrorrhagia

Classification & Codes

MeSH Code

D002836

Orphanet Code

ORPHA:98879
hemophilia B
MeSHD002836
OrphanetORPHA:98879
Treatments3 drug(s)
Symptoms on record14 signs
Statuspublished
Factual Authority
Last Updated3/20/2026
Clinical DataHPO · Orphanet
Drug DataFDA · EMA · CDSCO