New mRNA flu shot shows promise in older adults

NCT ID NCT06744205

Completed ⭐️ VACCINE ⭐️ Sponsor: Sanofi Pasteur, a Sanofi Company Source: ClinicalTrials.gov ↗

First seen Jun 15, 2026 · Last updated Jun 15, 2026

Summary

This study tested a new mRNA flu vaccine in over 1,100 adults aged 50 and older. The goal was to see if it is safe and triggers a stronger immune response compared to standard flu shots. Participants received one injection of either the new vaccine or a licensed flu vaccine, and researchers monitored side effects and antibody levels for about a month.

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This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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Contacts and locations

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Locations

AMR - Chicago- Site Number : 8400012

Oak Brook, Illinois, 60532, United States
AMR Las Vegas - Site Number : 8400016

Las Vegas, Nevada, 89119, United States
AMR Miami- Site Number : 8400021

Coral Gables, Florida, 33134, United States
AMR Mobile- Site Number : 8400022

Mobile, Alabama, 36608, United States
Accel Research Site - NeuroStudies.net, LLC - ERN - PPDS- Site Number : 8400001

Decatur, Georgia, 30030-2627, United States
Accel Research Sites - Maitland- Site Number : 8400007

Maitland, Florida, 32751, United States
Accel Research Sites Network - Birmingham- Site Number : 8400008

Birmingham, Alabama, 35216, United States
Accel Research Sites Network - DeLand Clinical Research Unit- Site Number : 8400003

DeLand, Florida, 32720, United States
ActivMed Practices & Research- Site Number : 8400005

Methuen, Massachusetts, 03110, United States
Alliance for Multispeciality Research - Clinical Research Consortium- Site Number : 8400015

Tempe, Arizona, 85281, United States
Alliance for Multispeciality Research - Fort Myers- Site Number : 8400013

Fort Myers, Florida, 33912, United States
Alliance for Multispeciality Research - Kansas City- Site Number : 8400019

Kansas City, Missouri, 64114, United States
Alliance for Multispeciality Research - Knoxville- Site Number : 8400017

Knoxville, Tennessee, 37920, United States
Alliance for Multispeciality Research - Lexington- Site Number : 8400018

Lexington, Kentucky, 40509, United States
Alliance for Multispeciality Research - Newton- Site Number : 8400020

Newton, Kansas, 67114, United States
Alliance for Multispeciality Research - Wichita East- Site Number : 8400014

Wichita, Kansas, 67207, United States
Boston Clinical Trials- Site Number : 8400009

Boston, Massachusetts, 02131, United States
Charlottesville Medical Research- Site Number : 8400004

Charlottesville, Virginia, 22911, United States
Coastal Carolina Research Center - North Charleston- Site Number : 8400002

North Charleston, South Carolina, 29405, United States
Innovation Medical Research Center - Palmetto Bay- Site Number : 8400011

Palmetto Bay, Florida, 33157, United States
Investigational Site Number : 0360001

Botany, New South Wales, 2019, Australia
Investigational Site Number : 0360002

Melbourne, Victoria, 3124, Australia
Investigational Site Number : 0360003

Bayswater, Victoria, 3153, Australia
Quest Research Institute- Site Number : 8400010

Farmington Hills, Michigan, 48334, United States

Conditions

Explore the condition pages connected to this study.

HEALTHY VOLUNTEERS INFLUENZA