One shot, two viruses: new vaccine targets RSV and hMPV in seniors

NCT ID NCT06583031

Completed ⭐️ VACCINE ⭐️ Sponsor: Sanofi Pasteur, a Sanofi Company Source: ClinicalTrials.gov ↗

First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This early-stage trial tested a new vaccine designed to protect against both RSV and hMPV, two common respiratory viruses. 385 healthy adults aged 60 to 75 received a single injection of different doses. The main goals were to check safety and measure the immune response. Results will help decide if further testing is warranted.

What this could mean

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

Active substance: RSV/hMPV vaccine candidate (different doses)
What this could lead to: If successful, this could lead to a single vaccine that protects older adults against both RSV and hMPV respiratory infections.
What could go wrong: This is an early Phase 1 trial focused on safety and immune response, not yet on preventing illness. The vaccine may not produce strong enough immunity or could cause side effects.

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.

respiratory syncytial virus infectious disease prevention target

As listed by the trial registrant

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

HMPV RSV INFECTION

Contacts and locations

Locations

Site # 031001

Brookvale, New South Wales, 2100, Australia
Site # 0361002

Wollongong, New South Wales, 2500, Australia
Site # 0361003

Herston, Queensland, 4006, Australia
Site # 0361004

Botany, New South Wales, 2019, Australia
Site # 0361005

South Brisbane, Queensland, 4101, Australia
Site # 0361006

Miranda, New South Wales, 2228, Australia

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