New hope for kids with hemophilia: altuviiio trial aims to tame inhibitors

NCT ID NCT07158606

First seen Jun 26, 2026 · Last updated Jun 26, 2026

Summary

This phase 4 trial tests whether Altuviiio (efanesoctacog alpha) can help children with severe hemophilia A and high-titer inhibitors achieve immune tolerance. Participants also receive Hemlibra (emicizumab) to prevent bleeding. The study involves 15 children under 18 and will track success over up to 52 weeks of treatment, followed by tapering and monitoring.

What this could mean

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

Active substance

efanesoctacog alpha (Altuviiio) and emicizumab (Hemlibra)

What this could lead to

If successful, this could help children with hemophilia A and inhibitors achieve immune tolerance, reducing the need for frequent treatments and improving bleed control.

What could go wrong

This is a small, early-phase trial with only 15 participants, so results may not apply to everyone. The treatment requires ongoing medication, and success is not guaranteed.

Disclaimer Read more

This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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Conditions

The condition(s) this trial relates to.

hemophilia A severe hemophilia A

As listed by the trial registrant

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

Contacts and locations

Study contacts

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

  • Contact

    Email: •••••@•••••

Locations

  • Versiti Wisconsin

    Milwaukee, Wisconsin, 53226, United States

    Contact Phone: •••-•••-•••• Email: •••••@•••••

    Contact

    Contact Phone: •••-•••-••••