Could an mRNA vaccine stop chlamydia? new trial begins

NCT ID NCT06891417

Recruiting now ⭐️ VACCINE ⭐️ Sponsor: Sanofi Source: ClinicalTrials.gov ↗

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

Summary

This study tests a new mRNA vaccine designed to prevent chlamydia, a common sexually transmitted infection. About 1,560 adults aged 18 to 29 who are at higher risk of infection will receive either a low, medium, or high dose of the vaccine or a placebo. Researchers will monitor safety, immune responses, and how well the vaccine works over 18 months.

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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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Conditions

The condition(s) this trial relates to.

chlamydia infectious disease chlamydia trachomatis infectious disease 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: •••••@•••••

Locations

  • Investigational Site Number : 0360001

    RECRUITING

    Albion, Queensland, 4010, Australia

  • Investigational Site Number : 0360002

    RECRUITING

    Bruce, Australian Capital Territory, 2617, Australia

  • Investigational Site Number : 0360003

    RECRUITING

    Southport, Queensland, 4222, Australia

  • Investigational Site Number : 0360004

    RECRUITING

    Morayfield, Queensland, 4506, Australia

  • Investigational Site Number : 0360005

    RECRUITING

    Sydney, New South Wales, 2010, Australia

  • Investigational Site Number : 0360006

    RECRUITING

    Maroubra, New South Wales, 2035, Australia

  • Investigational Site Number : 0360010

    RECRUITING

    Melbourne, Victoria, 3000, Australia