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Completed Phase 3 Interventional Accepts healthy volunteers

A Clinical Study to Evaluate the Efficacy, Safety and Immunogenicity of an Adjuvanted Influenza Vaccine Compared to a Non-adjuvanted Influenza Vaccine in Adults ≥65 Years of Age

ClinicalTrials.gov ID: NCT06087640

Public ClinicalTrials.gov record NCT06087640. 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 Oct 27, 2026, 9:08 PM 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 3/3b, Randomized, Observer-blind, Multicenter Clinical Study to Evaluate the Efficacy, Safety and Immunogenicity of Fluad and Fluad Quadrivalent Compared to a Non-adjuvanted Influenza Vaccine in Adults ≥65 Years of Age

Brief summary

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

This Phase 3 study is a randomized, observer-blind study of MF59-adjuvanted influenza vaccine (aQIV or aTIV) compared with a non-adjuvanted influenza vaccine (QIV or TIV) in adults ≥65 years of age. The aim of the study is to evaluate MF59-adjuvanted influenza vaccine compared with non-adjuvanted influenza vaccine in the prevention of reverse transcription-polymerase chain reaction (RT-PCR)-confirmed influenza A and/or B in subjects ≥65 years of age.

Study identification

NCT ID
NCT06087640
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
Seqirus
Industry
Enrollment
38,769 participants

Conditions and interventions

Interventions

Biological

Eligibility (public fields only)

Age range
65 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
Oct 23, 2023 (Actual)
Primary completion
May 26, 2026 (Actual)
Completion
Jun 15, 2026 (Actual)
Last update posted
Sep 2, 2026

2023 – 2026

United States locations

U.S. sites
111
U.S. states
34
U.S. cities
99
Facility City State ZIP Site status
84046-Accel Research Sites - Birmingham Birmingham Alabama 35216 —
84075-Cullman Clinical Trials Cullman Alabama 35055 —
84112-DM Clinical Research - Phoenix Phoenix Arizona 85012 —
84114-Scottsdale Clinical Trials Scottsdale Arizona 85260 —
84045-Lynn Institute of the Ozarks Little Rock Arkansas 72204 —
84070-Baptist Health Center for Clinical Research Little Rock Arkansas 72205 —
84101-West Coast Research LLC Dublin California 94568 —
84124-Leading Edge Research Encino California 91316 —
84104-Zillan Clinical Research Inglewood California 90303 —
84105-Eximia Research - CA La Mesa California 91942 —
84107-Long Beach Research Institute Long Beach California 90805 —
84109-Long Beach Clinical Trials Long Beach California 90806 —
84115-Central Valley Research Modesto California 95350 —
84120-Paradigm Research Redding California 96001 —
84119-Apex Clinical Research San Diego California 92120 —
84125-Lynn Institute of Denver Aurora Colorado 80012 —
84110-Tekton Research Longmont Colorado 80501 —
84123-Paradigm Research Wheat Ridge Colorado 80033 —
84085-Clinical Research Consulting, LLC Milford Connecticut 06460 —
84017-Chase Medical Research, LLC Waterbury Connecticut 06708 —
84029-Imagine Research of Palm Beach County Boynton Beach Florida 33435 —
84067-Innovative Research of West Florida, Inc. Clearwater Florida 33756 —
84006-Nature Coast Clinical Research - Crystal River Crystal River Florida 34429 —
84016-USA and International Research Inc. Doral Florida 33126 —
84061-Velocity Clinical Research - New Smyrna Beach Edgewater Florida 32132 —
84065-Fleming Island Center for Clinical Research Fleming Island Florida 32003 —
84027-SIMEDHealth, LLC Gainesville Florida 32607 —
84019-Green Leaf Clinical Trials Jacksonville Florida 32258 —
84026-Health Awareness, Inc. Jupiter Florida 33458 —
84071-3SYNC Research Lake Worth Florida 33460 —
84083-Accel Research Sites Network - St. Petersburg-Largo Largo Florida 33777 —
84012-Evolution Clinical Trials Miami Florida 33122 —
84082-Global Health Research Center, Inc. Miami Lakes Florida 33016 —
84081-Suncoast Research Associates, LLC Pembroke Pines Florida 33024 —
84024-St. Johns Center for Clinical Research Saint Augustine Florida 32086 —
84051-Precision Clinical Research Sunrise Florida 33351 —
84008-Global Health Research Center, Inc. - Tampa Tampa Florida 33615 —
84037-Eximia Research - GA Atlanta Georgia 30315 —
84086-Agile Clinical Research Trials, LLC Atlanta Georgia 30328-6124 —
84054-Centricity Research Columbus Columbus Georgia 31904 —
84013-M3 Wake Research/Mount Vernon Clinical Research, LLC Sandy Springs Georgia 30103 —
84069-Velocity Clinical Research - Savannah Savannah Georgia 31406 —
84039-North Georgia Clinical Research Woodstock Georgia 30189 —
84118-Velocity Clinical Research - Boise Meridian Idaho 83642 —
84060-Great Lakes Clinical Trials LLC, dba Flourish Research Chicago Illinois 60640 —
84022-DM Clinical Research - River Forest Melrose Park Illinois 60160 —
84025-Velocity Clinical Research - Valparaiso Valparaiso Indiana 46383 —
84042-Velocity Clinical Research - Sioux City Sioux City Iowa 51106 —
84055-Velocity Clinical Research - Baton Rouge Baton Rouge Louisiana 70809 —
84088-Velocity Clinical Research - Covington Covington Louisiana 70433 —
84052-Velocity Clinical Research - Lafayette Lafayette Louisiana 70508 —
84064-Benchmark Research Metairie Louisiana 70006 —
84005-DM Clinical Research - Brookline Brookline Massachusetts 02446 —
84002-ActivMed Practices and Research, LLC Methuen Massachusetts 01844 —
84044-Clarkston Medical Group Clarkston Michigan 48346 —
84018-Quest Research Institute Farmington Hills Michigan 48334 —
84032-Bioscope Clinical Research, LLC Farmington Hills Michigan 48336 —
84001-Revival Research Institute, LLC Southfield Michigan 48075 —
84074-DM Clinical Research - Southfield Southfield Michigan 48076 —
84023-Velocity Clinical Research - Gulfport Gulfport Mississippi 39503 —
84038-Kansas City Research Institute Kansas City Missouri 64131 —
84057-Sundance Clinical Research St Louis Missouri 63141 —
84108-Boeson Research MSO Missoula Montana 59804 —
84030-Velocity Clinical Research - Grand Island Grand Island Nebraska 68803 —
84040-Velocity Clinical Research - Norfolk Norfolk Nebraska 68701 —
84007-Velocity Clinical Research - Omaha Omaha Nebraska 68134 —
84117-M3 Wake Research/CRCN Las Vegas Nevada 89106 —
84103-Alliance for Multispecialty Research, LLC Las Vegas Nevada 89119 —
84111-Vector Clinical Trials Las Vegas Nevada 89128 —
84106-Las Vegas Clinical Trials North Las Vegas Nevada 89030 —
84003-DM Clinical Research - New Jersey Jersey City New Jersey 07306 —
84122-Albuquerque Clinical Trials Albuquerque New Mexico 87102 —
84048-Velocity Clinical Research - Binghamton Binghamton New York 13905 —
84077-Velocity Clinical Research - Syracuse East Syracuse New York 13057 —
84014-Asheville Clinical Research Asheville North Carolina 28803 —
84089-Velocity Clinical Research - Durham Durham North Carolina 27701 —
84035-Monroe Biomedical Research Monroe North Carolina 28112 —
84102-Eximia Research - NC Raleigh North Carolina 27607 —
84020-M3 Wake Research/Raleigh Clinical Research, LLC Raleigh North Carolina 27612 —
84004-TMA Headlands LLC, dba Trial Management Associates Wilmington North Carolina 28403 —
84079-Progressive Medicine of the Triad, LLC Winston-Salem North Carolina 27103 —
84021-Velocity Clinical Research - Cleveland Beachwood Ohio 44122 —
84034-CTI Clinical Research Center Cincinnati Ohio 45212 —
84063-Velocity Clinical Research - Cincinnati (Mt. Auburn) Cincinnati Ohio 45219 —
84078-Tekton Research Yukon Oklahoma 73099 —
84121-Velocity Clinical Research - Medford Medford Oregon 97504 —
84050-3SYNC Research Pittsburgh Pennsylvania 15241 —
84009-Velocity Clinical Research - Providence East Greenwich Rhode Island 02818 —
84010-M3 Wake Research/Charleston Clinical Trials, LLC Charleston South Carolina 29414 —
84043-Velocity Clinical Research - Gaffney Gaffney South Carolina 29340 —
84056-Coastal Carolina Research Center, LLC North Charleston South Carolina 29405 —
84047-Velocity Clinical Research - Spartanburg Spartanburg South Carolina 29303 —
84053-Velocity Clinical Research - Union Union South Carolina 29379 —
84068-WR-ClinSearch, LLC Chattanooga Tennessee 37421 —
84090-Alliance for Multispecialty Research, LLC Knoxville Tennessee 37909 —
84084-Clinical Research Associates, Inc. Nashville Tennessee 37203 —
84072-WR-Global Medical Research, LLC Dallas Texas 75224 —
84028-Benchmark Research Fort Worth Texas 76135 —
84015-Trio Clinical Trials LLC Houston Texas 77008 —
84062-Activian Clinical Research Kingwood Texas 77339 —
84080-ACRC Trials Plano Texas 75024 —
84031-North Texas Family Medicine Plano Texas 75093 —
84066-Research Your Health Plano Texas 75093 —
84011-Clinical Trials of Texas, LLC, dba Flourish Research San Antonio Texas 78229 —
84076-DM Clinical Research - San Antonio San Antonio Texas 78257 —
84059-DM Clinical Research - Sugar Land Sugar Land Texas 77478 —
84087-DM Clinical Research - Tomball Tomball Texas 77375 —
84049-Charlottesville Medical Research Charlottesville Virginia 22911 —
84058-Clinical Research Partners Richmond Virginia 23226 —
84036-Velocity Clinical Research - Suffolk Suffolk Virginia 23435 —
84113-DM Clinical Research - Seattle Seattle Washington 98122 —

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

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 144 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT06087640, 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 Sep 2, 2026 · Synced Oct 27, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT06087640 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →