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Clinical Trial ● Currently Recruiting Phase III NCT07080905

Phase 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

Phase 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 — Recruiting…

📅 16 Apr 2026 ⏱ 1 min read
Currently Recruiting
This trial is actively seeking participants in the UK. Discuss eligibility with your patient before referring.
Status
Currently Recruiting
Phase
Phase III
NCT ID
NCT07080905
Start
2025-07-28
Completion
2033-10-24
ClinicaliQ Trial Snapshot
  • Phase 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 — Recruiting • Phase III • NCT07080905.
  • CSL222 Trial Summary.
  • CSL222 gene therapy tested in teenage boys with moderate-to-severe hemophilia B for safety, tolerability, and effectiveness.

Verify eligibility, endpoints and current status on the original ClinicalTrials.gov registry before acting on this summary.

Use This Page For
  • Quick orientation before opening the registry record.
  • Checking recruitment status, phase and sponsor at a glance.
  • Connecting this trial to nearby guidelines, Drug Science and education.
What This Trial Is Studying

This is a phase 3, prospective, open-label, single-arm, single-dose, multicenter study investigating the efficacy, safety, and tolerability of CSL222 (AAV5-hFIXco-Padua) in adolescent male participants with severe or moderately severe hemophilia B. Conditions: Hemophilia B Interventions: CSL222 (Adeno-associated viral vector serotype 5 [AAV5]-hFIXco-Padua) Lead Sponsor: CSL Behring Planned Enrollment: 20 participants

Full Trial Details
View this trial on the source registry
Eligibility criteria, protocol, and results when available
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