New oral vaccine aims to shield infants from severe rotavirus

NCT ID NCT05958771

First seen Jun 30, 2026 · Last updated Jul 01, 2026 · Updated 1 time

Summary

This phase 3 study tests whether three doses of an oral rotavirus vaccine (ROTAVAC 5D) can prevent severe diarrhea in healthy infants. Around 4,270 Chilean babies receive either the vaccine or a placebo. Researchers track cases of severe rotavirus gastroenteritis to measure the vaccine's protection.

What this could mean

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

Active substance

live attenuated rotavirus vaccine 116E (ROTAVAC 5D)

What this could lead to

If effective, this vaccine could help protect infants from severe rotavirus diarrhea, reducing hospitalizations and deaths worldwide.

What could go wrong

This is a phase 3 trial, but results may vary by region. The vaccine may not be as effective in different populations or against all rotavirus strains.

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.

Rotavirus infection prevention target

As listed by the trial registrant

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

Contacts and locations

Locations

  • CESFAM Colina

    Santiago, Metropolitan Region, Chile

  • CESFAM Dr. Alejandro Gutierrez, Coyahique

    Coyhaique, Aysén, Chile

  • CESFAM Dr. Alejandro del Rio, Puente Alto

    Santiago, Metropolitan Region, Chile

  • CESFAM Esmeralda

    Santiago, Metropolitan Region, Chile

  • CESFAM Jean y Marie Thierry de Valparaíso

    Valparaíso, Valparaiso, Chile

  • CESFAM Lo Barnechea

    Santiago, Metropolitan Region, Chile

  • CESFAM Puerto Aysen

    Puerto Aisén, Aysén, Chile

  • Clínica Dávila

    Santiago, Metropolitan Region, Chile

  • Hospital Base de Osorno

    Osorno, Los Lagos Region, Chile

  • Hospital Dr. Exequiel González Cortés

    Santiago, Metropolitan Region, Chile

  • Hospital Dr. Gustavo Fricke

    Viña del Mar, Chile

  • Hospital Roberto del Rio

    Santiago, Metropolitan Region, Chile

  • Hospital de Carabineros

    Santiago, Metropolitan Region, Chile

  • Hospital de Puerto Montt

    Port Montt, Los Lagos Region, Chile

  • Vacunatorio Kinewen, Concepción

    Concepción, Biobio, Chile

  • Vacunatorio Mediped

    Antofagasta, Antofagasta, 124 3817, Chile