CI

At a glance

ClinicalIndex Comparison Record
Phase 3Completed· 3,855 enrolled
Drug / intervention
RSVPreF3 vaccine +1 morebiological
Likely dose
Not stated in record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT05705440
NCT05705440Phase 3Completed

A Phase 3b, Non-randomized, Open Label, Multi-country, Cohort Study to Describe the Safety of Study Participants Who Received RSVPreF3 Maternal Vaccination (Any Dose) or Controls From Previous RSV MAT Studies (RSV MAT-001, RSV MAT-004, RSV MAT-010, RSV MAT-011, RSV MAT-009, RSV MAT-012 and RSV MAT-039) During Any Pregnancy Conceived Post Vaccination/Control

GlaxoSmithKline·interventional·Posted Jan 30, 2023·Updated Mar 17, 2026

In Brief

A Phase 3 clinical trial evaluating RSVPreF3 vaccine and Control for Respiratory Syncytial Virus Infections. Completed, enrolled 3,855 participants across 138 sites in 23 countries.

Detailed Summary

The purpose of this follow-up study was to describe the safety in subsequent pregnancies in participants who were previously administered the RSVPreF3 maternal vaccine or control during any prior RSV MAT study. The study participants enrolled in this follow-up study received RSVPreF3 maternal vaccination (any dose) or controls during the following prior RSV MAT studies: RSV MAT-001 (NCT03674177), RSV MAT-004 (NCT04126213), RSV MAT-010 (NCT05045144), RSV MAT-011 (NCT04138056), RSV MAT-009 (NCT04605159), RSV MAT-012 (NCT04980391) and RSV MAT-039 (NCT05169905). No intervention was administered in this study. The exposure was the intervention (either RSVPreF3 vaccine or control) received by the study participants in the abovementioned prior RSV MAT studies.

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
CountriesArgentina, Australia, Bangladesh, Belgium, Brazil, Canada, Colombia, Dominican Republic, Finland, France, Germany, Honduras, India, Italy, New Zealand, Panama, Philippines, South Africa, South Korea, Spain, Taiwan, Thailand, United States
Collaborators--

Timeline

Phase 3CompletedFinished
2023202420252026
First PostedJan 30, 2023
Enrollment StartFeb 7, 2023
Primary CompletionJan 15, 2025
TodayJul 2, 2026
Enrollment to primary: 1.9 yearsPosted 3.4 years ago

Interventions

RSVPreF3 vaccinebiological

No intervention was administered in this extension study. Participants received the RSVPreF3 vaccine during the prior RSV MAT studies (RSV MAT-001, RSV MAT-004, RSV MAT-010, RSV MAT-011, RSV MAT-009, RSV MAT-012 and RSV MAT-039) according to the vaccination schedule specific to each study. In all prior RSV MAT studies, participants received one dose of RSVPreF3 vaccine except in RSV MAT-011 study, where some participants received a second dose as well.

Controlother

No intervention was administered in this extension study. Participants received any control (placebo, Tdap or influenza vaccine) during the prior RSV MAT studies (RSV MAT-001, RSV MAT-004, RSV MAT-010, RSV MAT-011, RSV MAT-009, RSV MAT-012 and RSV MAT-039) according to the vaccination schedule specific to each study. In all prior RSV MAT studies, participants received one dose of any control (placebo, Tdap or influenza vaccine).