NCT06087640

Brief Summary

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.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Strong global presence with extensive site network
Enrollment
35,800

participants targeted

Target at P75+ for phase_3

Timeline
7mo left

Started Oct 2023

Typical duration for phase_3

Geographic Reach
21 countries

254 active sites

Status
active not recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Progress82%
Oct 2023Dec 2026

First Submitted

Initial submission to the registry

September 28, 2023

Completed
20 days until next milestone

First Posted

Study publicly available on registry

October 18, 2023

Completed
5 days until next milestone

Study Start

First participant enrolled

October 23, 2023

Completed
3 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

November 1, 2026

Expected
1 month until next milestone

Study Completion

Last participant's last visit for all outcomes

December 1, 2026

Last Updated

April 24, 2026

Status Verified

April 1, 2026

Enrollment Period

3 years

First QC Date

September 28, 2023

Last Update Submit

April 22, 2026

Conditions

Keywords

InfluenzaVaccineMF59 adjuvantaQIVaTIVA/H1N1A/H3N2B/YamagataB/Victoria

Outcome Measures

Primary Outcomes (1)

  • Efficacy Endpoint: First-occurrence of RT-PCR-confirmed influenza, due to any influenza Type A and/or B virus (regardless of antigenic match), using the protocol-defined ILI definition

    ILI = influenza-like illness; RT-PCR = reverse transcription-polymerase chain reaction

    From 14 days after vaccination (ie study day 15) and until the end of influenza season (typically end of May for Northern Hemisphere [NH] influenza season and end of November for Southern Hemisphere [SH] influenza season)

Secondary Outcomes (14)

  • Efficacy Endpoint: First-occurrence of RT-PCR-confirmed influenza, due to any influenza Type A and/or B virus (regardless of antigenic match), using the protocol-defined ILI definition

    From 14 days after vaccination (ie study day 15) and until the end of influenza season (typically end of May for NH influenza season and end of November for SH influenza season)

  • Efficacy Endpoint: First-occurrence of culture-confirmed influenza, due to influenza Type A and/or B virus antigenically matched to the vaccine strains selected for the seasonal vaccine, using the protocol-defined ILI definition

    From 14 days after vaccination (ie study day 15) and until the end of influenza season (typically end of May for NH influenza season and end of November for SH influenza season)

  • Efficacy Endpoint: First-occurrence of culture-confirmed influenza, due to any influenza Type A and/or B virus (regardless of antigenic match), using the protocol-defined ILI definition

    From 14 days after vaccination (ie study day 15) and until the end of influenza season (typically end of May for NH influenza season and end of November for SH influenza season)

  • Efficacy Endpoint: First-occurrence of RT-PCR-confirmed influenza, due to any influenza Type A and/or B virus (regardless of antigenic match), using the modified CDC ILI definition

    From 14 days after vaccination (ie study day 15) and until the end of influenza season (typically end of May for NH influenza season and end of November for SH influenza season)

  • Efficacy Endpoint: First-occurrence of RT-PCR-confirmed influenza, due to any influenza Type A and/or B virus (regardless of antigenic match), using the WHO ILI definition

    From 14 days after vaccination (ie study day 15) and until the end of influenza season (typically end of May for NH influenza season and end of November for SH influenza season)

  • +9 more secondary outcomes

Study Arms (2)

MF59-adjuvanted influenza vaccine

EXPERIMENTAL

MF59-adjuvanted QIV containing 2 influenza type A strains and 2 influenza type B strains or MF59-adjuvanted TIV containing 2 influenza type A strains and 1 influenza type B strain

Biological: aQIV or aTIV

Non-adjuvanted influenza vaccine

OTHER

Non-adjuvanted QIV containing 2 influenza type A strains and 2 influenza type B strains or Non-adjuvanted TIV containing 2 influenza type A strains and 1 influenza type B strain

Biological: QIV or TIV

Interventions

aQIV or aTIVBIOLOGICAL

Participants receive a 0.5-mL intramuscular dose of aQIV or aTIV on Day 1. A 0.5 mL dose of aQIV contains nominally 15 µg of hemagglutinin (HA) of each of the 2 influenza type A strains and each of the 2 influenza B strains (total of 60 µg HA). A 0.5 mL dose of aTIV contains nominally 15 µg of HA of each of the 2 influenza type A strains and of the influenza B strain (total of 45 µg HA). The strain composition of aQIV and aTIV is that recommended by the World Health Organization (WHO) for quadrivalent and trivalent influenza vaccines, respectively, contemporaneous to the timing of the study.

Also known as: Fluad Tetra/Quadrivalent or Fluad
MF59-adjuvanted influenza vaccine
QIV or TIVBIOLOGICAL

Participants receive a 0.5-mL intramuscular dose of the non-adjuvanted QIV or TIV on Day 1. A 0.5 mL dose of QIV contains nominally 15 μg of HA of each of the 2 influenza type A strains and each of the 2 influenza B strains (total of 60 μg HA). A 0.5 mL dose of TIV contains nominally 15 μg of HA of each of the 2 influenza type A strains and of the influenza B strain (total of 45 μg HA). The strain composition of QIV and TIV is that recommended by the WHO for quadrivalent and trivalent influenza vaccines, respectively, contemporaneous to the timing of the study.

Non-adjuvanted influenza vaccine

Eligibility Criteria

Age65 Years+
Sexall
Healthy VolunteersYes
Age GroupsOlder Adult (65+)

You may qualify if:

  • Adults of ≥65 years of age on the day of vaccination.
  • Individuals who have voluntarily given written informed consent after the nature of the study has been explained according to local regulatory requirements, prior to study entry.
  • Individuals who have the ability to comply with study procedures including follow-up.

You may not qualify if:

  • Bedridden subjects (i.e. confined to bed by sickness or old age).
  • Subjects that are incapacitated and because of that in need of a Legally Authorized Representative.
  • Receipt of any influenza vaccine within 6 months prior to enrollment or any plan to receive influenza vaccine while participating in the study.
  • Hypersensitivity, including allergy, to any component of vaccines whose use is foreseen in this study, or severe allergic reaction (e.g. anaphylaxis) to previous influenza vaccination.
  • Known history of Guillain-Barré syndrome or another demyelinating disease such as encephalomyelitis and transverse myelitis.
  • Clinical conditions representing a contra-indication to intramuscular administration of vaccines or blood draw.
  • Abnormal function of the immune system resulting from:
  • Clinical conditions;
  • Systemic administration of corticosteroids (PO/IV/IM) at a dose ≥20 mg/day of prednisone (or equivalent) for more than 14 consecutive days within 90 days prior to informed consent; Topical, inhaled and intranasal corticosteroids are permitted. Intermittent use (one dose in 30 days) of intra-articular corticosteroids are also permitted;
  • Administration of antineoplastic and immunomodulating agents or radiotherapy within 90 days prior to informed consent.
  • Receipt of immunoglobulins or any blood products within 180 days prior to informed consent.
  • Receipt of any investigational or non-registered product (drug or vaccine) other than the study vaccine within 30 days preceding the study vaccination, or planned use during the entire study period.
  • Acute (severe) febrile illness.
  • Any other clinical condition that, in the opinion of the investigator, might interfere with the results of the study or pose additional risk to the subject due to participation in the study.
  • Study personnel or immediate family members (brother, sister, child, parent) or the spouse of study personnel.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (254)

84046-Accel Research Sites - Birmingham

Birmingham, Alabama, 35216, United States

Location

84075-Cullman Clinical Trials

Cullman, Alabama, 35055, United States

Location

84112-DM Clinical Research - Phoenix

Phoenix, Arizona, 85012, United States

Location

84114-Scottsdale Clinical Trials

Scottsdale, Arizona, 85260, United States

Location

84045-Lynn Institute of the Ozarks

Little Rock, Arkansas, 72204, United States

Location

84070-Baptist Health Center for Clinical Research

Little Rock, Arkansas, 72205, United States

Location

84101-West Coast Research LLC

Dublin, California, 94568, United States

Location

84124-Leading Edge Research

Encino, California, 91316, United States

Location

84104-Zillan Clinical Research

Inglewood, California, 90303, United States

Location

84105-Eximia Research - CA

La Mesa, California, 91942, United States

Location

84107-Long Beach Research Institute

Long Beach, California, 90805, United States

Location

84109-Long Beach Clinical Trials

Long Beach, California, 90806, United States

Location

84115-Central Valley Research

Modesto, California, 95350, United States

Location

84120-Paradigm Research

Redding, California, 96001, United States

Location

84119-Apex Clinical Research

San Diego, California, 92120, United States

Location

84125-Lynn Institute of Denver

Aurora, Colorado, 80012, United States

Location

84110-Tekton Research

Longmont, Colorado, 80501, United States

Location

84123-Paradigm Research

Wheat Ridge, Colorado, 80033, United States

Location

84085-Clinical Research Consulting, LLC

Milford, Connecticut, 06460, United States

Location

84017-Chase Medical Research, LLC

Waterbury, Connecticut, 06708, United States

Location

84029-Imagine Research of Palm Beach County

Boynton Beach, Florida, 33435, United States

Location

84067-Innovative Research of West Florida, Inc.

Clearwater, Florida, 33756, United States

Location

84006-Nature Coast Clinical Research - Crystal River

Crystal River, Florida, 34429, United States

Location

84012-Evolution Clinical Trials

Doral, Florida, 33122, United States

Location

84016-USA and International Research Inc.

Doral, Florida, 33126, United States

Location

84061-Velocity Clinical Research - New Smyrna Beach

Edgewater, Florida, 32132, United States

Location

84065-Fleming Island Center for Clinical Research

Fleming Island, Florida, 32003, United States

Location

84027-SIMEDHealth, LLC

Gainesville, Florida, 32607, United States

Location

84019-Green Leaf Clinical Trials

Jacksonville, Florida, 32258, United States

Location

84026-Health Awareness, Inc.

Jupiter, Florida, 33458, United States

Location

84071-3SYNC Research

Lake Worth, Florida, 33460, United States

Location

84083-Accel Research Sites Network - St. Petersburg-Largo

Largo, Florida, 33777, United States

Location

84082-Global Health Research Center, Inc.

Miami Lakes, Florida, 33016, United States

Location

84081-Suncoast Research Associates, LLC

Pembroke Pines, Florida, 33024, United States

Location

84024-St. Johns Center for Clinical Research

Saint Augustine, Florida, 32086, United States

Location

84051-Precision Clinical Research

Sunrise, Florida, 33351, United States

Location

84008-Global Health Research Center, Inc. - Tampa

Tampa, Florida, 33615, United States

Location

84037-Eximia Research - GA

Atlanta, Georgia, 30315, United States

Location

84086-Agile Clinical Research Trials, LLC

Atlanta, Georgia, 30328-6124, United States

Location

84054-Centricity Research Columbus

Columbus, Georgia, 31904, United States

Location

84013-M3 Wake Research/Mount Vernon Clinical Research, LLC

Sandy Springs, Georgia, 30103, United States

Location

84069-Velocity Clinical Research - Savannah

Savannah, Georgia, 31406, United States

Location

84039-North Georgia Clinical Research

Woodstock, Georgia, 30189, United States

Location

84118-Velocity Clinical Research - Boise

Meridian, Idaho, 83642, United States

Location

84060-Great Lakes Clinical Trials LLC, dba Flourish Research

Chicago, Illinois, 60640, United States

Location

84022-DM Clinical Research - River Forest

Melrose Park, Illinois, 60160, United States

Location

84025-Velocity Clinical Research - Valparaiso

Valparaiso, Indiana, 46383, United States

Location

84042-Velocity Clinical Research - Sioux City

Sioux City, Iowa, 51106, United States

Location

84055-Velocity Clinical Research - Baton Rouge

Baton Rouge, Louisiana, 70809, United States

Location

84088-Velocity Clinical Research - Covington

Covington, Louisiana, 70433, United States

Location

84052-Velocity Clinical Research - Lafayette

Lafayette, Louisiana, 70508, United States

Location

84064-Benchmark Research

Metairie, Louisiana, 70006, United States

Location

84005-DM Clinical Research - Brookline

Brookline, Massachusetts, 02446, United States

Location

84002-ActivMed Practices and Research, LLC

Methuen, Massachusetts, 01844, United States

Location

84044-Clarkston Medical Group

Clarkston, Michigan, 48346, United States

Location

84018-Quest Research Institute

Farmington Hills, Michigan, 48334, United States

Location

84032-Bioscope Clinical Research, LLC

Farmington Hills, Michigan, 48336, United States

Location

84001-Revival Research Institute, LLC

Southfield, Michigan, 48075, United States

Location

84074-DM Clinical Research - Southfield

Southfield, Michigan, 48076, United States

Location

84023-Velocity Clinical Research - Gulfport

Gulfport, Mississippi, 39503, United States

Location

84038-Kansas City Research Institute

Kansas City, Missouri, 64131, United States

Location

84057-Sundance Clinical Research

St Louis, Missouri, 63141, United States

Location

84108-Boeson Research MSO

Missoula, Montana, 59804, United States

Location

84030-Velocity Clinical Research - Grand Island

Grand Island, Nebraska, 68803, United States

Location

84040-Velocity Clinical Research - Norfolk

Norfolk, Nebraska, 68701, United States

Location

84007-Velocity Clinical Research - Omaha

Omaha, Nebraska, 68134, United States

Location

84117-M3 Wake Research/CRCN

Las Vegas, Nevada, 89106, United States

Location

84103-Alliance for Multispecialty Research, LLC

Las Vegas, Nevada, 89119, United States

Location

84111-Vector Clinical Trials

Las Vegas, Nevada, 89128, United States

Location

84106-Las Vegas Clinical Trials

North Las Vegas, Nevada, 89030, United States

Location

84003-DM Clinical Research - New Jersey

Jersey City, New Jersey, 07306, United States

Location

84122-Albuquerque Clinical Trials

Albuquerque, New Mexico, 87102, United States

Location

84048-Velocity Clinical Research - Binghamton

Binghamton, New York, 13905, United States

Location

84077-Velocity Clinical Research - Syracuse

East Syracuse, New York, 13057, United States

Location

84014-Asheville Clinical Research

Asheville, North Carolina, 28803, United States

Location

84089-Velocity Clinical Research - Durham

Durham, North Carolina, 27701, United States

Location

84035-Monroe Biomedical Research

Monroe, North Carolina, 28112, United States

Location

84102-Eximia Research - NC

Raleigh, North Carolina, 27607, United States

Location

84020-M3 Wake Research/Raleigh Clinical Research, LLC

Raleigh, North Carolina, 27612, United States

Location

84004-TMA Headlands LLC, dba Trial Management Associates

Wilmington, North Carolina, 28403, United States

Location

84079-Progressive Medicine of the Triad, LLC

Winston-Salem, North Carolina, 27103, United States

Location

84021-Velocity Clinical Research - Cleveland

Beachwood, Ohio, 44122, United States

Location

84034-CTI Clinical Research Center

Cincinnati, Ohio, 45212, United States

Location

84063-Velocity Clinical Research - Cincinnati (Mt. Auburn)

Cincinnati, Ohio, 45219, United States

Location

84078-Tekton Research

Yukon, Oklahoma, 73099, United States

Location

84121-Velocity Clinical Research - Medford

Medford, Oregon, 97504, United States

Location

84050-3SYNC Research

Pittsburgh, Pennsylvania, 15241, United States

Location

84009-Velocity Clinical Research - Providence

East Greenwich, Rhode Island, 02818, United States

Location

84010-M3 Wake Research/Charleston Clinical Trials, LLC

Charleston, South Carolina, 29414, United States

Location

84043-Velocity Clinical Research - Gaffney

Gaffney, South Carolina, 29340, United States

Location

84056-Coastal Carolina Research Center, LLC

North Charleston, South Carolina, 29405, United States

Location

84047-Velocity Clinical Research - Spartanburg

Spartanburg, South Carolina, 29303, United States

Location

84053-Velocity Clinical Research - Union

Union, South Carolina, 29379, United States

Location

84068-WR-ClinSearch, LLC

Chattanooga, Tennessee, 37421, United States

Location

84090-Alliance for Multispecialty Research, LLC

Knoxville, Tennessee, 37909, United States

Location

84084-Clinical Research Associates, Inc.

Nashville, Tennessee, 37203, United States

Location

84072-WR-Global Medical Research, LLC

Dallas, Texas, 75224, United States

Location

84028-Benchmark Research

Fort Worth, Texas, 76135, United States

Location

84015-Trio Clinical Trials LLC

Houston, Texas, 77008, United States

Location

84062-Activian Clinical Research

Kingwood, Texas, 77339, United States

Location

84080-ACRC Trials

Plano, Texas, 75024, United States

Location

84031-North Texas Family Medicine

Plano, Texas, 75093, United States

Location

84066-Research Your Health

Plano, Texas, 75093, United States

Location

84011-Clinical Trials of Texas, LLC, dba Flourish Research

San Antonio, Texas, 78229, United States

Location

84076-DM Clinical Research - San Antonio

San Antonio, Texas, 78257, United States

Location

84059-DM Clinical Research - Sugar Land

Sugar Land, Texas, 77478, United States

Location

84087-DM Clinical Research - Tomball

Tomball, Texas, 77375, United States

Location

84049-Charlottesville Medical Research

Charlottesville, Virginia, 22911, United States

Location

84058-Clinical Research Partners

Richmond, Virginia, 23226, United States

Location

84036-Velocity Clinical Research - Suffolk

Suffolk, Virginia, 23435, United States

Location

84113-DM Clinical Research - Seattle

Seattle, Washington, 98122, United States

Location

03603-University of the Sunshine Coast

Birtinya, Australia

Location

03609-Paratus Clinical Western Sydney

Blacktown, Australia

Location

03605-Emeritus Research - Sydney

Botany, Australia

Location

03614-Northern Beaches Clinical Research

Brookvale, Australia

Location

03602-Emeritus Research - Melbourne

Camberwell, Australia

Location

03615-Momentum Clinical Research Darlinghurst

Darlinghurst, Australia

Location

03608-Paratus Clinical Brisbane

Herston, Australia

Location

03610-Paratus Clinical Central Coast

Kanwal, Australia

Location

03604-Doherty Clinical Trials Limited

Melbourne, Australia

Location

03611-Nucleus Network

Melbourne, Australia

Location

03601-University of the Sunshine Coast - Morayfield

Morayfield, Australia

Location

03607-University of the Sunshine Coast - South Bank

South Brisbane, Australia

Location

03613-Momentum Clinical Research Taringa

Taringa, Australia

Location

03612-Wollongong Clinical Reserach

Wollongong, Australia

Location

05605-AZ Sint-Jan Brugge-Oostende - Campus Sint-Jan

Bruges, Belgium

Location

05602-Universitair Ziekenhuis Gent

Ghent, Belgium

Location

05603-Medif BVBA

Gozée, Belgium

Location

05601-Jan Yperman Ziekenhuis

Ieper, Belgium

Location

10005-MHAT Dr. Tota Venkova

Gabrovo, Bulgaria

Location

10018-Medical Center - Zdrave-1

Kozloduy, Bulgaria

Location

10029-Medical Centre Leo Clinic EOOD

Lovech, Bulgaria

Location

10007-Medical Center Hera EOOD

Montana, Bulgaria

Location

10014-Multi-Profile Hospital For Active Treatment Dr. Stamen Iliev AD

Montana, Bulgaria

Location

10032-MHAT Zdrave

Pazardzhik, Bulgaria

Location

10019-MC Med Consult Pleven

Pleven, Bulgaria

Location

10022-Ambulatory Outpatient Medical Practice for First Patient Care Zaprin Pepelov

Plovdiv, Bulgaria

Location

10024-UMHAT Pulmed

Plovdiv, Bulgaria

Location

10026-Multiprofile Hospital for Active Treatment Sv. Panteleymon - Plovdiv

Plovdiv, Bulgaria

Location

10031-Medical Centre Pratia Clinic EOOD

Plovdiv, Bulgaria

Location

10004-Medical Center Prolet EOOD

Rousse, Bulgaria

Location

10012-Specialized Hospital For Active Treatment Of Pneumo-Phthisiatric Diseases Dr. Dimitar Gramatikov-Ruse EOOD

Rousse, Bulgaria

Location

10016-Medical Center 1 - Sevlievo EOOD

Sevlievo, Bulgaria

Location

10023-DCC-1 Sliven

Sliven, Bulgaria

Location

10006-DCC 22 - Sofia

Sofia, Bulgaria

Location

10015-Medical Center Hera - Pulmonology Office

Sofia, Bulgaria

Location

10021-Medical Center Intermedica

Sofia, Bulgaria

Location

10028-Medical Center Excelsior OOD

Sofia, Bulgaria

Location

10030-Diagnostic-Consultative Centre Ascendent EOOD

Sofia, Bulgaria

Location

10027-AIPPMP D-r Zhaneta Demireva

Stamboliyski, Bulgaria

Location

20307-CCR Brno s.r.o.

Brno, Czechia

Location

20305-Centrum ockovani a cestovni mediciny

České Budějovice, Czechia

Location

20306-ADMED, s.r.o.

České Budějovice, Czechia

Location

20311-Ordinace Hradebni s.r.o

České Budějovice, Czechia

Location

20310-MUDr. Jakub Strincl, s.r.o.

Liberec, Czechia

Location

20309-CCR Ostrava, s.r.o.

Ostrava, Czechia

Location

20308-MUDr. Jakub Strincl, s.r.o.

Protivín, Czechia

Location

20312-MEDISON s.r.o.

Přeštice, Czechia

Location

24603-Helsinki South Vaccine Research Clinic

Helsinki, Finland

Location

24602-Oulu Vaccine Research Clinic

Oulu, Finland

Location

24601-Tampere Vaccine Research Clinic

Tampere, Finland

Location

24604-Turku Vaccine Research Clinic

Turku, Finland

Location

26803-UNIMED Adjara LTD - Batumi Referral Hospital

Batumi, Georgia

Location

26801-LTD Hospital Service

Kutaisi, Georgia

Location

26802-Acad. G. Chapidze Emergency Cardiology Center

Tbilisi, Georgia

Location

26804-K. Eristavi National Center of Clinical Surgery

Tbilisi, Georgia

Location

38003-Policlinico Bari

Bari, Italy

Location

38001-PO A. Manzoni di Lecco, ASST Lecco

Lecco, Italy

Location

38004-Ospedale Fatebenefratelli e Oftalmico, ASST Fatebenefratelli Sacco

Milan, Italy

Location

44004-JSC InMedica

Kaunas, Lithuania

Location

44008-JSC Saulės Šeimos Medicinos Centras

Kaunas, Lithuania

Location

44009-Hospital of Lithuanian University of Health Sciences Kauno klinikos

Kaunas, Lithuania

Location

44010-InlitaJSC Santara CTC

Vilnius, Lithuania

Location

52802-Emotional Brain BV

Almere Stad, Netherlands

Location

52804-Universitair Medisch Centrum (UMC) Utrecht - Julius Center for Health Sciences and Primary Care

Utrecht, Netherlands

Location

55404-Optimal Clinical Trials - Central

Grafton, New Zealand

Location

55402-Momentum Clinical Research Wellington

Mount Cook, New Zealand

Location

55405-Pacific Clinical Research Network - West Auckland

New Lynn, New Zealand

Location

55403-Optimal Clinical Trials - North

Rosedale, New Zealand

Location

55401-PCRN - Auckland

Takapuna, New Zealand

Location

60812-Health Index Multispecialty and Lying-In Clinic

Bacoor, Philippines

Location

60813-Norzel Medical and Diagnostic Clinic

Cebu, Philippines

Location

60808-CT CARE Group

Dasmariñas, Philippines

Location

60801-Davao Doctors Hospital

Davao City, Philippines

Location

60802-West Visayas State University Medical Center

Iloilo City, Philippines

Location

60815-St Paul's Hospital Iloilo

Iloilo City, Philippines

Location

60816-St Paul's Hospital Iloilo

Iloilo City, Philippines

Location

60803-Philippine General Hospital

Manila, Philippines

Location

60811-Philippine General Hospital

Manila, Philippines

Location

60814-Manila Doctors Hospital

Manila, Philippines

Location

60804-St. Michael Family Hospital

Marilao, Philippines

Location

60805-San Juan de Dios Hospital

Pasay, Philippines

Location

60806-Quirino Memorial Medical Center

Quezon City, Philippines

Location

60817-Silang Specialist Medical Center

Silang, Philippines

Location

61619-Krakowskie Centrum Medyczne Sp. z o.o

Krakow, Poland

Location

61618-Centrum Medyczne AMED Oddzial w Lodzi

Lodz, Poland

Location

61622-KOMED Nova Lublin II

Lublin, Poland

Location

61620-KOMED Nova Pulawy

Puławy, Poland

Location

61614-KO-MED Centra Kliniczne Staszow

Staszów, Poland

Location

61605-RCMed Oddział Warszawa

Warsaw, Poland

Location

61615-ETG Warszawa

Warsaw, Poland

Location

61616-MTZ Clinical Research

Warsaw, Poland

Location

61621-Futuremed Warszawa Centrum

Warsaw, Poland

Location

61617-Przychodnia FutureMeds Wroclaw

Wroclaw, Poland

Location

61623-KOMED Nova Zamosc

Zamość, Poland

Location

64210-Sana Monitoring

Bucharest, Romania

Location

64204-Ames Research Center

Calarasi, Romania

Location

64208-Spitalul Municipal Caracal

Caracal, Romania

Location

64209-Clintrial Medical Center

Reșca, Romania

Location

64211-Nova-Clin Medical Research Center

Timișoara, Romania

Location

68803-Clinical Center of Serbia

Belgrade, Serbia

Location

68805-Clinical Hospital Center Zemun

Belgrade, Serbia

Location

68806-CHC Bezanijska Kosa

Belgrade, Serbia

Location

68802-Institute for Pulmonary Disease of Vojvodina

Kamenitz, Serbia

Location

68804-General Hospital Valjevo

Valjevo, Serbia

Location

71007-Josha Research Center

Bloemfontein, South Africa

Location

71008-Madibeng Centre for Research

Brits, South Africa

Location

71011-University of Cape Town Lung Institute

Cape Town, South Africa

Location

71014-TREAD Research

Cape Town, South Africa

Location

71015-Tiervlei Trial Centre

Cape Town, South Africa

Location

71001-Ubuntu Clinical Research Krugersdorp

Krugersdorp, South Africa

Location

71010-Merclinico Middelburg

Middelburg, South Africa

Location

71009-Newtown Clinical Research Centre

Newtown, South Africa

Location

71005-Be Part Research

Paarl, South Africa

Location

71013-Into Research, Life Groenkloof Hospital

Pretoria, South Africa

Location

71003-Tsitsikamma Clinical Research Initiative

Thabazimbi, South Africa

Location

71004-FCRN Clinical Trials Centre

Vereeniging, South Africa

Location

41002-Korea University Ansan Hospital

Ansan, South Korea

Location

41001-Inha University Hospital

Incheon, South Korea

Location

41004-Hallym University Kangnam Sacred Heart Hospital

Seoul, South Korea

Location

41005-Korea University Guro Hospital

Seoul, South Korea

Location

41003-Ajou University Hospital

Suwon, South Korea

Location

72402-EAP Vic - CAP El Remei

Barcelona, Spain

Location

72407-Futurmeds Spain Cadiz

Cadiz, Spain

Location

72405-Futuremeds Spain Madrid

Madrid, Spain

Location

72404-Hospital Universitario Son Espases

Palma de Mallorca, Spain

Location

72403-Complexo Hospitalario Universitario De Santiago

Santiago de Compostela, Spain

Location

72406-Futuremeds Spain Sevilla

Seville, Spain

Location

72401-Hospital Povisa

Vigo, Spain

Location

15803-Taipei Medical University - Shuang Ho Hospital

New Taipei City, Taiwan

Location

15801-China Medical University Hospital

Taichung, Taiwan

Location

15802-National Cheng Kung University Hospital

Tainan, Taiwan

Location

15804-Taipei Medical University - Wanfang Hospital

Taipei, Taiwan

Location

15805-Taipei Medical University

Taipei, Taiwan

Location

79209-Hacettepe University Faculty of Medicine

Ankara, Turkey (Türkiye)

Location

79207-Akdeniz University Faculty of Medicine

Antalya, Turkey (Türkiye)

Location

79212-Dicle Universitesi Tip Fakultesi

Diyarbakır, Turkey (Türkiye)

Location

79205-Goztepe Suleyman Yalcin City Hospital

Istanbul, Turkey (Türkiye)

Location

791210-Dokuz Eylul University Faculty of Medicine

Izmir, Turkey (Türkiye)

Location

79208-Izmir Dr. Suat Seren Pulmonary Hospital

Izmir, Turkey (Türkiye)

Location

79213-Ege University Hospital

Izmir, Turkey (Türkiye)

Location

79204 - Kocaeli University Faculty of Medicine

Kocaeli, 41380, Turkey (Türkiye)

Location

79211-Karadeniz Technical University Faculty of Medicine

Trabzon, Turkey (Türkiye)

Location

71601-Charles River Medical Group, Mutala Trust and Infectious Disease Research Laboratory

Harare, Zimbabwe

Location

MeSH Terms

Conditions

Influenza, Human

Interventions

Influenza Vaccines

Condition Hierarchy (Ancestors)

Respiratory Tract InfectionsInfectionsOrthomyxoviridae InfectionsRNA Virus InfectionsVirus DiseasesRespiratory Tract Diseases

Intervention Hierarchy (Ancestors)

Viral VaccinesVaccinesBiological ProductsComplex Mixtures

Study Officials

  • Clinical Program Director

    Seqirus

    STUDY DIRECTOR

Study Design

Study Type
interventional
Phase
phase 3
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
PREVENTION
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

September 28, 2023

First Posted

October 18, 2023

Study Start

October 23, 2023

Primary Completion (Estimated)

November 1, 2026

Study Completion (Estimated)

December 1, 2026

Last Updated

April 24, 2026

Record last verified: 2026-04

Data Sharing

IPD Sharing
Will share

Seqirus will consider on a case-by-case basis requests to share Individual Patient Data (IPD) with external bona-fide, qualified scientific and medical researchers. For information on the process and requirements for submitting a voluntary data sharing request for IPD, please contact Seqirus at seqirus.clinicaltrials@seqirus.com.

Shared Documents
STUDY PROTOCOL, SAP
Time Frame
Requests for IPD will generally be considered once review by major regulatory authorities (ie FDA, EMA) is complete and the primary publication is available.
Access Criteria
Proposed research should seek to answer a previously unanswered important medical or scientific question. Applicable country specific privacy and other laws and regulations will be considered and may prevent sharing of IPD. If the request is approved and the researcher has executed an appropriate data sharing agreement, IPD that has been appropriately anonymized will be available.

Locations