A Study to Assess the Safety and Immune Response of a Vaccine Against Influenza in Healthy Younger and Older Adults

NCT05823974 · Status: COMPLETED · Phase: PHASE1/PHASE2 · Type: INTERVENTIONAL · Enrollment: 1275

Last updated 2025-07-23

Study results available
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Summary

The purpose of this study is to find and confirm the dose and asses the reactogenicity, safety and immune response of GlaxoSmithKline's (GSK) messenger RNA (mRNA)-based multivalent seasonal influenza vaccine (GSK4382276A) candidates administered in healthy younger and older adults (OA).

Conditions

  • Influenza, Human

Interventions

BIOLOGICAL

F2C22C/DL001Z

Study intervention was administered intramuscularly in Phase 1, at Day 1.

BIOLOGICAL

F2B22A/DL001Z

Study intervention was administered intramuscularly in Phase 1, at Day 1.

BIOLOGICAL

F2B22B/DL001Z

Study intervention was administered intramuscularly in Phase 1, at Day 1.

BIOLOGICAL

F2B22C/DL001Z

Study intervention was administered intramuscularly in Phase 1, at Day 1.

BIOLOGICAL

F2B22D/DL001Z

Study intervention was administered intramuscularly in Phase 1, at Day 1.

BIOLOGICAL

F2B22E/DL001Z

Study intervention was administered intramuscularly in Phase 1, at Day 1.

BIOLOGICAL

F2F22A/DL001Z

Study intervention was administered intramuscularly in Phase 1, at Day 1.

BIOLOGICAL

F2F22B/DL001Z

Study intervention was administered intramuscularly in Phase 1, at Day 1.

BIOLOGICAL

F2F22C/DL001Z

Study intervention was administered intramuscularly in Phase 1, at Day 1.

BIOLOGICAL

F2F22D/DL001Z

Study intervention was administered intramuscularly in Phase 1, at Day 1.

BIOLOGICAL

F2F22E/DL001Z

Study intervention was administered intramuscularly in Phase 1, at Day 1.

COMBINATION_PRODUCT

Control 1

Control vaccine was administered intramuscularly in Phase 1, at Day 1.

BIOLOGICAL

F2F23D/DL001Z-NH

Study intervention was administered intramuscularly in Phase 2, at Day 1.

BIOLOGICAL

F2F23A/DL001Z-NH

Study intervention was administered intramuscularly in Phase 2, at Day 1.

BIOLOGICAL

F2F23B/DL001Z-NH

Study intervention was administered intramuscularly in Phase 2, at Day 1.

COMBINATION_PRODUCT

Control 2

Control vaccine was administered intramuscularly in Phase 2, at Day 1.

BIOLOGICAL

F2F23C/DL001Z-NH

Study intervention was administered intramuscularly in Phase 2, at Day 1.

COMBINATION_PRODUCT

Control 3

Control vaccine was administered intramuscularly in Phase 2, at Day 1.

BIOLOGICAL

F2F22F/DL001Z

Study intervention was administered intramuscularly in Phase 1, at Day 1.

Sponsors & Collaborators

Principal Investigators

  • GSK Clinical Trials · GlaxoSmithKline

Study Design

Allocation
RANDOMIZED
Purpose
PREVENTION
Masking
QUADRUPLE
Model
PARALLEL

Eligibility

Min Age
18 Years
Max Age
85 Years
Sex
ALL
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2023-04-27
Primary Completion
2024-07-02
Completion
2024-12-18
FDA Drug
Yes

Countries

  • United States
  • Belgium
  • Canada
  • South Africa

Study Locations

More Related Trials

Entities

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT05823974 on ClinicalTrials.gov