CI

At a glance

ClinicalIndex Comparison Record
Phase 2Completed· 386 enrolled / 386 target
Drug / intervention
RSVPreF3 OA Investigational Vaccinebiological
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/NCT05921903
NCT05921903Phase 2CompletedMonitor (11.0/mo)Completion was 24mo ago

A Phase 2b, Randomized, Controlled, Open-label Study to Evaluate the Immune Response and Safety of the RSVPreF3 OA Investigational Vaccine in Adults (>=18 Years of Age) When Administered to Lung and Renal Transplant Recipients Comparing 1 Versus 2 Doses and Compared to Healthy Controls (>=50 Years of Age) Receiving 1 Dose.

GlaxoSmithKline·interventional·Posted Jun 27, 2023·Updated Jun 11, 2026

In Brief

A Phase 2 clinical trial evaluating RSVPreF3 OA Investigational Vaccine for Respiratory Syncytial Virus Infections. Completed, enrolled 386 participants across 46 sites in 8 countries.

Signals

Enrolling slower than its timeline implies

Detailed Summary

The purpose of this study is to evaluate the immunogenicity, safety, and reactogenicity of the RSVPreF3 OA investigational vaccine in an immunocompromised (lung and renal transplant recipients) population and assess whether a second dose of the vaccine increases the immune response.

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
CountriesAustralia, Canada, Germany, Italy, Japan, South Korea, Spain, United States
Collaborators--

Timeline

Phase 2CompletedFinished
202420252026
First PostedJun 27, 2023
Enrollment StartJul 28, 2023
Primary CompletionJun 25, 2024
Study CompletionMay 16, 2025
TodayJul 2, 2026
Enrollment to primary: 11 monthsPosted 3.0 years ago

Arms & Interventions

RSV_IC_1 groupexperimental

Immunocompromised (IC) participants (recipients of lung or renal transplant) received 1 dose of RSVPreF3 OA investigational vaccine at Visit 1 (Day 1).

Biological: RSVPreF3 OA Investigational Vaccine
RSV_IC_2 groupexperimental

IC participants (recipients of lung or renal transplant) received 2 doses of RSVPreF3 OA investigational vaccine at Visit 1 (Day 1) and Visit 3 (Visit 1 + 30-60 days).

Biological: RSVPreF3 OA Investigational Vaccine
RSV_HA groupactive_comparator

Healthy adult (HA) participants received 1 dose of RSVPreF3 OA investigational vaccine at Visit 1 (Day 1).

Biological: RSVPreF3 OA Investigational Vaccine

Interventions

RSVPreF3 OA Investigational Vaccinebiological

0.5 mililiter dose was administered intramuscularly as 1 dose to RSV\_IC\_1 and RSV\_HA groups, and 2 doses to RSV\_IC\_2 group.