New RSV vaccine candidate aims to shield older adults from severe lung infections

NCT ID NCT07717840

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

First seen Jul 21, 2026 · Last updated Jul 22, 2026 · Updated 1 time

Summary

This study tests an experimental vaccine called AZD6489 in adults aged 60 and older. The vaccine is designed to protect against respiratory syncytial virus (RSV), a common virus that can cause serious lung infections in older people. Participants receive a single injection of either the new vaccine or a licensed RSV vaccine, and researchers monitor safety and immune response over time.

What this could mean

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

Active substance
an experimental RSV vaccine called AZD6489
What this could lead to
If successful, this vaccine could help protect older adults from severe RSV infections, reducing hospitalizations and complications.
What could go wrong
This is an early-phase trial with a small number of participants, so the vaccine may not prove safe or effective enough for widespread use.

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

Study contacts

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

Locations

  • Research Site

    RECRUITING

    Long Beach, California, 90815, United States

  • Research Site

    RECRUITING

    Rolling Hills Estates, California, 90274, United States

  • Research Site

    RECRUITING

    Chicago, Illinois, 60640, United States

  • Research Site

    RECRUITING

    Lenexa, Kansas, 66219, United States

  • Research Site

    RECRUITING

    Kansas City, Missouri, 64114, United States

  • Research Site

    RECRUITING

    Omaha, Nebraska, 68134, United States