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Completed Phase 1 Interventional Accepts healthy volunteers Results available

H3N2 M2SR in Pediatric Population

ClinicalTrials.gov ID: NCT03553940

Public ClinicalTrials.gov record NCT03553940. 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 Jul 22, 2026, 1:37 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 Trial to Evaluate the Safety and Immunogenicity of an Influenza Vaccination Strategy Including a H3N2 M2SR Prime Followed by a Seasonal Quadrivalent Inactivated Vaccine Boost in a Pediatric Population 9-17 Years Old

Study identification

NCT ID
NCT03553940
Recruitment status
Completed
Study type
Interventional
Phase
Phase 1
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Enrollment
43 participants

Conditions and interventions

Interventions

  • Influenza Virus Monovalent A/H3N2/Bris 10 M2SR Live Vaccine Biological
  • Placebo Other
  • Quadrivalent MDCK Inactivated Influenza Vaccine Biological

Biological · Other

Eligibility (public fields only)

Age range
9 Years to 17 Years
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
Aug 14, 2018
Primary completion
Aug 26, 2020
Completion
Aug 26, 2020
Last update posted
Oct 20, 2021

2018 – 2020

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
Saint Louis University - Center for Vaccine Development St Louis Missouri 63104-1015

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 NCT03553940, 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 20, 2021 · Synced Jul 22, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT03553940 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →