New mRNA vaccine aims to shield older adults from RSV

NCT ID NCT07289542

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This phase 2 trial is testing a new mRNA vaccine called ABO1105 against respiratory syncytial virus (RSV) in 420 healthy adults aged 50 and older. Participants receive either a low or high dose of the vaccine or a placebo. The study measures how well the vaccine boosts antibodies and checks for safety 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

ABO1105 (RSV mRNA vaccine)

What this could lead to

If successful, this could lead to a new vaccine option to protect older adults from respiratory syncytial virus (RSV).

What could go wrong

This is a mid-stage trial with only 420 participants, so results may not confirm effectiveness or safety in larger populations. The vaccine may not produce strong enough immunity or could cause side effects.

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.

Get updates

Get notified about this study

Sign up to get updates when this study changes or when new studies for RESPIRATORY SYNCYTIAL VIRUS are added.

Our safety recommendation!

By submitting, you agree to our Terms of use

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.

Contacts and locations

Locations

  • Baise Center For Disease Control & Prevention

    Baise City, Baise, China