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NCT05360706CompletedPhase 1/2

A Phase I/IIb extension study assessing the long-term safety and efficacy of a gene therapy (AAV5-hFIX) previously administered to adult patients with severe or moderately severe haemophilia B during the CT-AMT-060-01 Phase I/II study.

A Phase I/IIb extension study assessing the long-term safety and efficacy of an adeno-associated viral vector containing a codon-optimized human factor IX gene (AAV5-hFIX) previously administered to adult patients with severe or moderately severe haemophilia B during the CT-AMT-060-01 Phase I/II study.

Source: EU CTIS (euclinicaltrials.eu) · Last updated 22 May 2025

Brief summary (registry, in English)

To assess the long-term safety (6-10 years after dosing, inclusive) of a systemic administration of CSL220, an AAV vector containing a codon-optimized human coagulation hFIX gene, to adult subjects with severe or moderately severe haemophilia B.

Status (registry)
Completed
Phase (registry)
Phase 1/2
Study type
Interventional
Enrollment
9 (actual)
First submitted
16 May 2024
Start date
8 Jan 2021
Lead sponsor
CSL Behring LLC
Diseases
Haemophilia
NCT number
NCT05360706
EU CT number
2024-512603-39-00
EudraCT number
2020-000739-28

What you commit to

  • Study type: Interventional · Phase 1/2
  • Participants enrolled: 9
  • 6 sites in 2 countries
  • Visits and tests: ask the trial team, the registry does not list them

Built from the registry fields of EU CTIS (euclinicaltrials.eu). It describes the study, not your situation.

Who cannot take part

Copied verbatim from EU CTIS (euclinicaltrials.eu) and grouped by topic. Only the trial team decides who can take part.

Other

  • Enrolled subjects will have already been assessed based on the exclusion criteria for Study CSL220_1001

Who the study is looking for

  • Subjects with congenital haemophilia B who completed Study CSL220_1001
  • Able to provide informed consent following receipt of verbal and written information about the trial

Age in the registry: 18 years to - · Sex: Male · Does not accept healthy volunteers

Full criteria on EU CTIS (euclinicaltrials.eu)

Sites (6)

Sites in registry order. Pick your city on the disease page to sort them by distance.

SiteCityCountrySite status
Vivantes Netzwerk fuer Gesundheit GmbH
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BerlinGermanyCompleted
Universitaetsklinikum Frankfurt AöR
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Frankfurt Am MainGermanyCompleted
Academisch Medisch Centrum
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AmsterdamNetherlandsCompleted
Universitair Medisch Centrum Groningen
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GroningenNetherlandsCompleted
Erasmus Universitair Medisch Centrum Rotterdam (Erasmus MC)
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RotterdamNetherlandsCompleted
Universitair Medisch Centrum Utrecht
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UtrechtNetherlandsCompleted

This page is information, not medical advice. Discuss any trial with your doctor.