A Study on the Safety, Reactogenicity and Immune Response of a Vaccine Against Influenza in Healthy Younger and Older Adults

NCT05446740 · Status: COMPLETED · Phase: PHASE1 · Type: INTERVENTIONAL · Enrollment: 324

Last updated 2026-03-10

Study results available
· View outcomes & findings →

Summary

The purpose of this first-time-in-human (FTiH) study is to assess the safety, reactogenicity and immunogenicity of GlaxoSmithKline's (GSK) messenger RNA (mRNA)-based monovalent vaccine (GSK4382276A) candidate against influenza in healthy younger adults (YA) and older adults (OA).

Conditions

  • Influenza, Human

Interventions

BIOLOGICAL

GSK4382276A Dose level 1

Single dose of intervention administered at Day 1

BIOLOGICAL

GSK4382276A Dose level 2

Single dose of intervention administered at Day 1

BIOLOGICAL

GSK4382276A Dose level 3

Single dose of intervention administered at Day 1

BIOLOGICAL

GSK4382276A Dose level 4

Single dose of intervention administered at Day 1

BIOLOGICAL

GSK4382276A Dose level 5

Single dose of intervention administered at Day 1

BIOLOGICAL

GSK4382276A Dose level 6

Single dose of intervention administered at Day 1

BIOLOGICAL

GSK4382276A Dose level 7

Single dose of intervention administered at Day 1

BIOLOGICAL

GSK4382276A Dose level 8

Single dose of intervention administered at Day 1

BIOLOGICAL

GSK4382276A Dose level 9

Single dose of intervention administered at Day 1

BIOLOGICAL

GSK4382276A Dose level 10

Single dose of intervention administered at Day 1

COMBINATION_PRODUCT

FDQ21A-NH

Single dose of intervention administered at Day 1

COMBINATION_PRODUCT

FDQ22A-NH

Single dose of intervention administered at Day 1

Sponsors & Collaborators

Principal Investigators

  • GSK Clinical Trials · GlaxoSmithKline

Study Design

Allocation
RANDOMIZED
Purpose
PREVENTION
Masking
QUADRUPLE
Model
SEQUENTIAL

Eligibility

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

Timeline & Regulatory

Start
2022-08-09
Primary Completion
2024-03-26
Completion
2024-03-26

Countries

  • Belgium
  • Canada
  • Spain

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 NCT05446740 on ClinicalTrials.gov