One shot, three viruses? new vaccine trial targets RSV, hMPV, and PIV3 in seniors

NCT ID NCT06604767

First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This Phase 1 study tests a new vaccine that aims to protect against three respiratory viruses at once: RSV, hMPV, and PIV3. The trial involves 390 adults aged 60 and older and will check if the vaccine is safe and helps the body produce antibodies. Different combinations and doses are being compared to find the best approach.

What this could mean

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

Active substance

Combined vaccine targeting respiratory syncytial virus (RSV), human metapneumovirus (hMPV), and parainfluenza virus type 3 (PIV3)

What this could lead to

If successful, this could lead to a single vaccine that protects older adults from three common respiratory viruses, potentially reducing severe illness and hospitalizations.

What could go wrong

This is an early Phase 1 trial with only 390 participants, so safety and immune response are still being tested. It may not work as hoped, and side effects like injection site reactions or fever are possible.

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.

parainfluenza infectious disease Paramyxoviridae infectious disease parainfluenza virus type 3 infectious disease prevention target respiratory syncytial virus infectious disease prevention target

As listed by the trial registrant

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

Contacts and locations

Locations

  • Investigational Site Number : 0360001

    Botany, New South Wales, 2019, Australia

  • Investigational Site Number : 0360002

    Camberwell, Victoria, 3124, Australia

  • Investigational Site Number : 0360003

    Bayswater, Victoria, 3153, Australia

  • Investigational Site Number : 0360004

    Miranda, New South Wales, 2228, Australia

  • Investigational Site Number : 0360005

    Kanwal, New South Wales, 2259, Australia

  • Investigational Site Number : 0360006

    Blacktown, New South Wales, 2148, Australia

  • Investigational Site Number : 0360008

    Herston, Queensland, 4006, Australia

  • Investigational Site Number : 0360009

    Brookvale, New South Wales, 2100, Australia