A Study on the Efficacy of a Vaccine Against Influenza in Adults ≥65 Years of Age
NCT07805707
This study is recruiting at 163 US sites in 34 states, according to its ClinicalTrials.gov record last updated .
Summary
This study will compare an investigational mRNA flu vaccine with a licensed flu vaccine in adults 65 years of age and older. Participants will receive one injection and will be followed during the flu season. The study will measure prevention of laboratory-confirmed flu illness, side effects, and immune responses.
Shortened from the sponsor's brief summary. View official record on ClinicalTrials.gov
Conditions studied
- Influenza, Human
Eligibility basics and study details
- Study type
- Interventional
- Phase
- Phase 3
- Ages
- 65 years and older
- Sex
- All
- Healthy volunteers
- Accepted
- Sponsor
- GlaxoSmithKline
- Last updated on ClinicalTrials.gov
- September 18, 2026
These are the basic criteria only. The full inclusion and exclusion criteria are on the official record, and the study team decides who can take part.
US recruiting sites
Alabama · 2
- GSK Investigational Site · Anniston, AL
- GSK Investigational Site · Guntersville, AL
Arizona · 12
- GSK Investigational Site · Glendale, AZ
- GSK Investigational Site · Mesa, AZ
- GSK Investigational Site · Mesa, AZ
- GSK Investigational Site · Phoenix, AZ
- GSK Investigational Site · Phoenix, AZ
- GSK Investigational Site · Scottsdale, AZ
- GSK Investigational Site · Scottsdale, AZ
- GSK Investigational Site · Sun City, AZ
- GSK Investigational Site · Tempe, AZ
- GSK Investigational Site · Tempe, AZ
- GSK Investigational Site · Tucson, AZ
- GSK Investigational Site · Tucson, AZ
Arkansas · 2
- GSK Investigational Site · Little Rock, AR
- GSK Investigational Site · Little Rock, AR
California · 10
- GSK Investigational Site · Dublin, CA
- GSK Investigational Site · Escondido, CA
- GSK Investigational Site · Fair Oaks, CA
- GSK Investigational Site · La Palma, CA
- GSK Investigational Site · Redding, CA
- GSK Investigational Site · Riverside, CA
- GSK Investigational Site · Rolling Hills Estates, CA
- GSK Investigational Site · San Bernardino, CA
- GSK Investigational Site · San Diego, CA
- GSK Investigational Site · Walnut Creek, CA
Colorado · 2
- GSK Investigational Site · Aurora, CO
- GSK Investigational Site · Colorado Springs, CO
Connecticut · 2
- GSK Investigational Site · Stamford, CT
- GSK Investigational Site · Waterbury, CT
Florida · 31
- GSK Investigational Site · Altamonte Springs, FL
- GSK Investigational Site · Fort Lauderdale, FL
- GSK Investigational Site · Hialeah, FL
- GSK Investigational Site · Hialeah, FL
- GSK Investigational Site · Homestead, FL
- GSK Investigational Site · Lake Mary, FL
- GSK Investigational Site · Lake Worth, FL
- GSK Investigational Site · Maitland, FL
- GSK Investigational Site · Melbourne, FL
- GSK Investigational Site · Miami, FL
- GSK Investigational Site · Miami, FL
- GSK Investigational Site · Miami, FL
- GSK Investigational Site · Miami, FL
- GSK Investigational Site · Miami, FL
- GSK Investigational Site · Miami, FL
- GSK Investigational Site · Miami, FL
- GSK Investigational Site · Miami, FL
- GSK Investigational Site · Miami, FL
- GSK Investigational Site · Miami, FL
- GSK Investigational Site · Miami Lakes, FL
- GSK Investigational Site · Miami Lakes, FL
- GSK Investigational Site · Orlando, FL
- GSK Investigational Site · Orlando, FL
- GSK Investigational Site · Palmetto Bay, FL
- GSK Investigational Site · Port Orange, FL
- GSK Investigational Site · Tamarac, FL
- GSK Investigational Site · Tampa, FL
- GSK Investigational Site · Tampa, FL
- GSK Investigational Site · The Villages, FL
- GSK Investigational Site · The Villages, FL
- GSK Investigational Site · West Palm Beach, FL
Georgia · 7
- GSK Investigational Site · Albany, GA
- GSK Investigational Site · Atlanta, GA
- GSK Investigational Site · Atlanta, GA
- GSK Investigational Site · Decatur, GA
- GSK Investigational Site · Marietta, GA
- GSK Investigational Site · Riverdale, GA
- GSK Investigational Site · Savannah, GA
Idaho · 1
- GSK Investigational Site · Meridian, ID
Illinois · 3
- GSK Investigational Site · Chicago, IL
- GSK Investigational Site · Morton, IL
- GSK Investigational Site · Peoria, IL
Indiana · 1
- GSK Investigational Site · Valparaiso, IN
Kansas · 2
- GSK Investigational Site · Kansas City, KS
- GSK Investigational Site · Lenexa, KS
Louisiana · 3
- GSK Investigational Site · Lafayette, LA
- GSK Investigational Site · Metairie, LA
- GSK Investigational Site · New Orleans, LA
Maryland · 1
- GSK Investigational Site · Baltimore, MD
Massachusetts · 2
- GSK Investigational Site · Boston, MA
- GSK Investigational Site · Brookline, MA
Michigan · 3
- GSK Investigational Site · Garden City, MI
- GSK Investigational Site · Southfield, MI
- GSK Investigational Site · Southfield, MI
Mississippi · 1
- GSK Investigational Site · Gulfport, MS
Missouri · 3
- GSK Investigational Site · Chesterfield, MO
- GSK Investigational Site · St Louis, MO
- GSK Investigational Site · St Louis, MO
Nebraska · 4
- GSK Investigational Site · Elkhorn, NE
- GSK Investigational Site · Grand Island, NE
- GSK Investigational Site · Norfolk, NE
- GSK Investigational Site · Omaha, NE
Nevada · 2
- GSK Investigational Site · Las Vegas, NV
- GSK Investigational Site · Las Vegas, NV
New Jersey · 1
- GSK Investigational Site · Warren Township, NJ
New Mexico · 1
- GSK Investigational Site · Santa Fe, NM
New York · 2
- GSK Investigational Site · Hartsdale, NY
- GSK Investigational Site · Rochester, NY
North Carolina · 10
- GSK Investigational Site · Charlotte, NC
- GSK Investigational Site · Denver, NC
- GSK Investigational Site · Durham, NC
- GSK Investigational Site · Fayetteville, NC
- GSK Investigational Site · Greensboro, NC
- GSK Investigational Site · Hickory, NC
- GSK Investigational Site · Raleigh, NC
- GSK Investigational Site · Salisbury, NC
- GSK Investigational Site · Wilmington, NC
- GSK Investigational Site · Winston-Salem, NC
Ohio · 4
- GSK Investigational Site · Blue Ash, OH
- GSK Investigational Site · Cincinnati, OH
- GSK Investigational Site · Columbus, OH
- GSK Investigational Site · Lima, OH
Oklahoma · 3
- GSK Investigational Site · Chickasha, OK
- GSK Investigational Site · Oklahoma City, OK
- GSK Investigational Site · Tulsa, OK
Oregon · 1
- GSK Investigational Site · Portland, OR
Pennsylvania · 2
- GSK Investigational Site · Camp Hill, PA
- GSK Investigational Site · Philadelphia, PA
South Carolina · 5
- GSK Investigational Site · Anderson, SC
- GSK Investigational Site · Little River, SC
- GSK Investigational Site · Myrtle Beach, SC
- GSK Investigational Site · North Charleston, SC
- GSK Investigational Site · Spartanburg, SC
Tennessee · 2
- GSK Investigational Site · Knoxville, TN
- GSK Investigational Site · Knoxville, TN
Texas · 25
- GSK Investigational Site · Austin, TX
- GSK Investigational Site · Austin, TX
- GSK Investigational Site · Brownsville, TX
- GSK Investigational Site · Carrollton, TX
- GSK Investigational Site · Cypress, TX
- GSK Investigational Site · Dallas, TX
- GSK Investigational Site · Dallas, TX
- GSK Investigational Site · DeSoto, TX
- GSK Investigational Site · Edinburg, TX
- GSK Investigational Site · El Paso, TX
- GSK Investigational Site · Fort Worth, TX
- GSK Investigational Site · Friendswood, TX
- GSK Investigational Site · Garland, TX
- GSK Investigational Site · Houston, TX
- GSK Investigational Site · Houston, TX
- GSK Investigational Site · Houston, TX
- GSK Investigational Site · Houston, TX
- GSK Investigational Site · Houston, TX
- GSK Investigational Site · Houston, TX
- GSK Investigational Site · Irving, TX
- GSK Investigational Site · Keller, TX
- GSK Investigational Site · Laredo, TX
- GSK Investigational Site · McKinney, TX
- GSK Investigational Site · Mesquite, TX
- GSK Investigational Site · Pearland, TX
Source: ClinicalTrials.gov, data processed . Recruiting US sites filtered by distance and site status; summaries shortened.