New monkeypox vaccine enters human testing

NCT ID NCT06771479

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

Summary

This early-stage trial is testing a new vaccine against monkeypox in 120 healthy adults aged 18 and older. Participants will receive two doses of either a low or high dose of the MVA strain live vaccine, or a placebo. The study aims to check if the vaccine is safe and whether it triggers an immune response.

What this could mean

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

Active substance
MVA strain monkeypox attenuated live vaccine
What this could lead to
If successful, this could lead to a safe and effective vaccine to prevent monkeypox infection.
What could go wrong
This is an early Phase 1 trial with only 120 participants, so safety and immune response are still being tested. The vaccine may not produce strong enough immunity or could cause side effects.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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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

  • Henan Infectious Disease Hospital

    RECRUITING

    Zhengzhou, Henan, China

More trials for these conditions

Other studies related to the condition(s) this trial covers.