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Completed Phase 2 Interventional Accepts healthy volunteers Results available

A Study to Evaluate the Safety and Immunogenicity of GlaxoSmithKline Biologicals' Influenza Vaccine GSK3206641A Administered in Adults 18 to 64 Years of Age and 65 Years of Age and Older

ClinicalTrials.gov ID: NCT04789577

Public ClinicalTrials.gov record NCT04789577. 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.

ClinicalTrials.gov public records Last synced Sep 2, 2026, 7:52 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Phase I/II Observer-blind, Randomized, Placebo-controlled, Multi-center Trial to Evaluate the Safety and Immunogenicity of Different Formulations of Monovalent Influenza A/Hong Kong/125/2017-like (H7N9) Virus Vaccine With AS03 Adjuvant System, Given as a Two-dose Series to Adults 18 to 64 Years of Age and 65 Years of Age and Older

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

Study to evaluate the safety and immunogenicity of H7N9 antigen in combination with full or half doses of AS03 adjuvant system in healthy adults.

Study identification

NCT ID
NCT04789577
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2
Lead sponsor
GlaxoSmithKline
Industry
Enrollment
833 participants

Conditions and interventions

Interventions

Biological · Drug

Eligibility (public fields only)

Age range
18 Years and older
Sex
All
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
Mar 15, 2021
Primary completion
Sep 11, 2022
Completion
Sep 11, 2022
Last update posted
Oct 9, 2023

2021 – 2022

United States locations

U.S. sites
8
U.S. states
7
U.S. cities
8
Facility City State ZIP Site status
GSK Investigational Site Stockbridge Georgia 30281
GSK Investigational Site Meridian Idaho 83642
GSK Investigational Site Cary North Carolina 27518
GSK Investigational Site Wilmington North Carolina 28401
GSK Investigational Site Cleveland Ohio 44122
GSK Investigational Site Mt. Pleasant South Carolina 29464
GSK Investigational Site Houston Texas 77081
GSK Investigational Site West Jordan Utah 84088

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04789577, 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 Oct 9, 2023 · Synced Sep 2, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT04789577 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →