New chikungunya vaccine shows promise in early trial

NCT ID NCT06669208

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tested an inactivated chikungunya virus vaccine called HydroVax-005 CHIKV in 48 healthy adults aged 18 to 49. Participants received two doses of either a low or high dose of the vaccine or a placebo. The main goal was to check safety and how well the vaccine triggers an immune response. Results will help decide if larger studies are warranted.

What this could mean

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

Active substance

HydroVax-005 CHIKV vaccine (inactivated chikungunya virus)

What this could lead to

If successful, this could lead to a safe and effective vaccine to prevent chikungunya fever, a painful mosquito-borne disease.

What could go wrong

This is an early Phase 1 trial with only 48 participants, so results may not apply to larger populations. The vaccine may not produce strong enough immunity or could cause side effects.

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.

chikungunya prevention target

As listed by the trial registrant

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

Contacts and locations

Locations

  • Duke University Health System

    Durham, North Carolina, 27705, United States