Trial intelligence / Profile preview

Phase 3 open-label fitusiran prophylaxis study in boys aged 1 to under 12 years with hemophilia A or B

2025-521858-42-00Phase 3Authorised

Sponsor
Sanofi
Start
Mar 2026
Modality
Chemically Modified siRNA → Small Interfering RNA (siRNA) → Small RNA Therapeutics → RNA Therapeutics → Nucleic Acid Therapeutics, Conjugated siRNA → Small Interfering RNA (siRNA) → Small RNA Therapeutics → RNA Therapeutics → Nucleic Acid Therapeutics
Countries
15
01

Overview

Phase 3, open-label trial of fitusiran in hemophilia A and hemophilia B (HB) (2 arms), sponsored by Sanofi. Primary endpoint: Annualized treated bleeding rate. Planned start Mar 2026; status: authorised.

02

Drugs

fitusiran
03

Conditions

hemophilia Ahemophilia B (HB)

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