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New approach boosts RSV shots in pregnancy to shield babies

NCT ID NCT06640868

Prevention Sponsor: Washington University School of Medicine Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

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

Summary

This study tested different strategies to increase RSV vaccination among 50 pregnant people. The goal was to find the best way to encourage vaccination at the right time during pregnancy to protect newborns from severe RSV. The study compared early and late vaccination timing along with reminder and support methods.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Phase 3

Large-scale testing in a bigger group. Usually the last step before a treatment can be approved.

Participants

50 people

The number who actually took part.

Started

Nov 2024

Finished

Feb 2025

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 years and older

Sex

Female participants only

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: 1. Confirmed intrauterine pregnancy (IUP) at 28-30 weeks. 2. No contraindications to the RSV vaccine: history of severe allergic reaction to any vaccine component or active moderate/severe acute illness with or without fever or receipt of RSV vaccine during the pregnancy Exclusion Criteria: * Those who do not have confirmed IUP at 28-30 weeks, or who have a contraindication to the RSV vaccine (history of severe allergic reaction to any vaccine component or active moderate/severe acute illness with or without fever or receipt of RSV vaccine during the pregnancy) will be excluded.

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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.

Pregnancy Vaccination

Contacts and locations

Locations

  • Washington University in St. Louis

    St Louis, Missouri, 63110, United States

More trials for these conditions

Other studies related to the condition(s) this trial covers.