Monkeypox vaccine immune response under the microscope

NCT ID NCT05562323

First seen Jul 01, 2026 · Last updated Jul 01, 2026

Summary

This study looks at how the monkeypox vaccine (MVA-BN) sparks immune responses in 100 adults at high risk of infection, including those with and without HIV. Researchers will measure antibodies and other immune markers in blood samples taken after vaccination. The goal is to understand if the vaccine works similarly in both groups, which could help protect vulnerable populations during outbreaks.

What this could mean

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

Active substance

MVA-BN vaccine

What this could lead to

If successful, this study could clarify how well the monkeypox vaccine works in different groups, including people with HIV, and guide future vaccination strategies.

What could go wrong

This is an observational study, not a treatment trial. It measures immune markers, not actual disease prevention, so real-world protection remains uncertain.

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.

monkeypox prevention target

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

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

Locations

  • BCN Checkpoint

    RECRUITING

    Barcelona, Barcelona, 08015, Spain

    Contact Email: •••••@•••••

  • Germans Trias i Pujol Hospital

    RECRUITING

    Badalona, Barcelona, 08916, Spain

    Contact

    Contact

  • VALLE HEBRÓN HOSPITAL/Centro Salud Internacional y Enfermedades Transmisibles Drassanes

    NOT_YET_RECRUITING

    Barcelona, Barcelona, 08035, Spain

    Contact