A Study to Evaluate Different Dose Levels of GlaxoSmithKline (GSK) Biologicals' Investigational Respiratory Syncytial Virus (RSV) Vaccine (GSK3888550A), Based on the Vaccine Safety and the Antibodies (Body Defences) Produced Following Vaccine Administration, When Given to Healthy Non-pregnant Women
Public ClinicalTrials.gov record NCT03674177. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
A Study to Evaluate the Safety, Reactogenicity and Immunogenicity of GSK Biologicals' Investigational Unadjuvanted RSV Maternal Vaccine Compared to Placebo When Administered to Healthy Non-pregnant Women.
Study identification
- NCT ID
- NCT03674177
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 1
- Lead sponsor
- GlaxoSmithKline
- Industry
- Enrollment
- 502 participants
Conditions and interventions
Conditions
Interventions
- GSK3888550A RSV Maternal vaccine formulation 1 Biological
- GSK3888550A RSV Maternal vaccine formulation 2 Biological
- GSK3888550A RSV Maternal vaccine formulation 3 Biological
- Placebo (Normal Saline) Drug
Biological · Drug
Eligibility (public fields only)
- Age range
- 18 Years to 45 Years
- Sex
- Female
- Healthy volunteers
- Accepts healthy volunteers
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Oct 29, 2018
- Primary completion
- Apr 15, 2019
- Completion
- Sep 1, 2019
- Last update posted
- Aug 12, 2021
2018 – 2019
United States locations
- U.S. sites
- 2
- U.S. states
- 2
- U.S. cities
- 2
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| GSK Investigational Site | Lenexa | Kansas | 66219 | — |
| GSK Investigational Site | Rochester | New York | 14609 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
Non-U.S. locations
This page focuses on the U.S. directory. The official record also lists 9 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT03674177, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Aug 12, 2021 · Synced Jul 23, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT03674177 live on ClinicalTrials.gov.