One-Shot gene therapy could free hemophilia b patients from frequent injections

NCT ID NCT06700096

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This phase 3 trial is testing a single dose of ANB-002, a gene therapy that delivers a working copy of the FIX gene, in 24 adults with hemophilia B. The goal is to see if it can reduce bleeding episodes compared to regular preventive factor IX infusions. Participants will be followed for up to 18 months after the infusion.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance
ANB-002 (arvenacogene sanparvovec) - a gene therapy that delivers a working FIX gene via a single infusion
What this could lead to
If successful, this could offer a long-term reduction in bleeding episodes and decrease the need for regular factor IX injections for people with hemophilia B.
What could go wrong
This is a small, early-phase trial with only 24 participants, so results may not apply to everyone. Gene therapy carries risks like immune reactions or the treatment not lasting long-term.

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Locations

  • Almazov National Medical Research Centre

    RECRUITING

    Saint Petersburg, 197341, Russia

  • Chelyabinsk Regional Clinical Hospital

    RECRUITING

    Chelyabinsk, Russia

  • Federal Budgetary Institution "Moscow City Clinical Hospital named after S. P. Botkin"

    RECRUITING

    Moscow, 125284, Russia

  • Federal State Budgetary Educational Institution of Higher Education "Bashkir State Medical University" of the Ministry of Healthcare of the Russian Federation

    RECRUITING

    Ufa, 450008, Russia

  • Federal State Budgetary Educational Institution of Higher Education "Samara State Medical University" of the Ministry of Healthcare of the Russian Federation

    RECRUITING

    Samara, 443099, Russia

    Contact Email: •••••@•••••

  • Federal State Budgetary Institution "National Medical Research Centre for Hematology" of the Ministry of Health of Russian Federation (Department of Clinical Diagnostics for Hematology and Hemostasis Disorders)

    RECRUITING

    Moscow, 125167, Russia

  • Federal State Budgetary Institution "National Medical Research Centre for Hematology" of the Ministry of Health of Russian Federation (Department of Traumatology and Reconstructive and Restorative Orthopedics for Patients with Hemophilia)

    RECRUITING

    Moscow, 125167, Russia

  • Federal State Budgetary Organization of Science "Kirov Research Institute of Hematology and Blood Transfusions of Federal Medical Biological agency"

    RECRUITING

    Kirov, 610027, Russia

  • King Chulalongkorn Memorial Hospital

    NOT_YET_RECRUITING

    Bangkok, 10330, Thailand

  • Ramathibodi Hospital

    NOT_YET_RECRUITING

    Bangkok, 10400, Thailand

  • Russian Research Institute of Hematology and Transfusiology Federal State Institution of Federal Medical and Biological Agency

    RECRUITING

    Saint Petersburg, 193024, Russia

  • Siriraj Hospital

    NOT_YET_RECRUITING

    Bangkok, 10700, Thailand

  • State Novosibirsk Regional Clinical Hospital

    RECRUITING

    Novosibirsk, 630087, Russia

  • State budgetary healthcare institution Leningrad Regional Clinical Hospital

    RECRUITING

    Saint Petersburg, 188663, Russia

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