New mRNA flu shot shows promise in phase 2 trial

NCT ID NCT06431607

First seen Jan 04, 2026 · Last updated May 07, 2026 · Updated 21 times

Summary

This study tested a new mRNA-based seasonal flu vaccine from GSK in 845 healthy adults aged 18 to 85. The goal was to find the best dose and check how well it triggers the immune system and how safe it is. Results will help decide if the vaccine should move into larger trials.

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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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Contacts and locations

Locations

  • GSK Investigational Site

    Hialeah, Florida, 33012, United States

  • GSK Investigational Site

    Miami, Florida, 33147, United States

  • GSK Investigational Site

    Miami, Florida, 33186, United States

  • GSK Investigational Site

    Chicago, Illinois, 60640, United States

  • GSK Investigational Site

    Valparaiso, Indiana, 46383, United States

  • GSK Investigational Site

    El Dorado, Kansas, 67042, United States

  • GSK Investigational Site

    Lenexa, Kansas, 66219, United States

  • GSK Investigational Site

    Newton, Kansas, 67114, United States

  • GSK Investigational Site

    Wichita, Kansas, 67207, United States

  • GSK Investigational Site

    Lexington, Kentucky, 40509, United States

  • GSK Investigational Site

    Rochester, New York, 14609, United States

  • GSK Investigational Site

    Greensboro, North Carolina, 27408, United States

  • GSK Investigational Site

    Knoxville, Tennessee, 37909, United States

  • GSK Investigational Site

    Austin, Texas, 78705, United States

  • GSK Investigational Site

    Fort Worth, Texas, 76135, United States

  • GSK Investigational Site

    Tomball, Texas, 77375, United States

  • GSK Investigational Site

    Newport News, Virginia, 23606, United States

  • GSK Investigational Site

    Norfolk, Virginia, 23502, United States

Conditions

Explore the condition pages connected to this study.