Drugs / Quadrivalent influenza vaccine
last change Feb 2026 re-read 2 minutes ago

Quadrivalent influenza vaccine

Vaccine

Developed for
influenza · COVID-19 · acute coronary syndrome
Investigated by
ModernaTX, Inc. · Novartis Vaccines · Sanofi Pasteur, a Sanofi Company · Sinovac Biotech Co., Ltd · Jiangsu Province Centers for Disease Control and Prevention · Shanghai Institute Of Biological Products
+32 more · Alachua Government Services, Inc. · Assistance Publique - Hôpitaux de Paris · Bayer · Catholic Kwandong University · Celgene Corporation · Centers for Disease Control and Prevention · Centers for Disease Control and Prevention, China · CureVac · Hospital Israelita Albert Einstein · Institute of Epidemiology, Disease Control and Research · International Centre for Diarrhoeal Disease Research, Bangladesh · Jalalabad Ragib-Rabeya Medical College & Hospital, Sylhet, Bangladesh · Jiangsu Jindike Biotechnology Co., Ltd. · Khulna Medical College Hospital, Khulna, Bangladesh · Korea University Guro Hospital · Medical University of Vienna · Ministry of Health, Brazil · National Cheng-Kung University Hospital · National Institute of Allergy and Infectious Diseases (NIAID) · Novartis · Novartis Pharmaceuticals · PT Bio Farma · Pantec Biosolutions AG · Queen Saovabha Memorial Institute · Radboud University Medical Center · Rajshahi Medical College Hospital, Rajshahi , Bangladesh · Seoul National University Hospital · Sinovac Research and Development Co., Ltd. · Stanford University · The Scripps Research Institute · URC-CIC Paris Descartes Necker Cochin · University of Pennsylvania

Trials 54 · a red edge is where a trial was stopped

PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 13 trials
Phase 1 NCT05585632 Oct 2022 → Feb 2024 Orthocoronavirinae infectious disease, influenza, respiratory syncytial virus infectious disease ModernaTX, Inc. Completed No outcome recorded
Phase 1 NCT05397223 May 2022 → Feb 2026 COVID-19, cytomegalovirus infection, influenza, respiratory syncytial virus infectious disease ModernaTX, Inc. Completed No outcome recorded
Phase 1 NCT02988739 Feb → Jul 2017 influenza Pantec Biosolutions AG Completed No outcome recorded
Phase 1/22 trials
Phase 1/2 NCT05375838 May → Dec 2022 COVID-19, influenza ModernaTX, Inc. Completed No outcome recorded
Phase 1/2 NCT04956575 Jul 2021 → Sep 2022 influenza ModernaTX, Inc. Completed No outcome recorded
Phase 210 trials
Phase 2 NCT05868382 May → Dec 2023 influenza ModernaTX, Inc. Completed No outcome recorded
Phase 2 NCT05606965 Nov 2022 → Nov 2025 influenza ModernaTX, Inc. Completed No outcome recorded
Phase 2 NCT04363359 Jan 2020 → Sep 2021 influenza Shanghai Institute Of Biological Products Completed No outcome recorded
Phase 2 NCT03336593 Nov 2017 → Mar 2018 PT Bio Farma Completed No outcome recorded
Phase 2 NCT01344057 May → Jun 2011 influenza Novartis Vaccines Completed No outcome recorded
Phase 2 NCT01357265 May 2011 influenza Novartis Vaccines Completed No outcome recorded
Phase 2 NCT01152814 Jun 2010 influenza Novartis Vaccines Completed No outcome recorded
Phase 2 NCT01123954 Jan → Mar 2010 influenza Novartis Vaccines Completed No outcome recorded
Phase 2 NCT00956449 Jun → Jul 2009 influenza Novartis Completed No outcome recorded
Phase 2 NCT00734734 Jun → Jul 2008 Novartis Vaccines Completed No outcome recorded
Phase 323 trials
Phase 3 NCT06602024 Sep 2024 → Aug 2025 influenza ModernaTX, Inc. Completed No outcome recorded
Phase 3 NCT06049927 Sep 2023 → May 2024 influenza Sinovac Biotech Co., Ltd Completed No outcome recorded
Phase 3 NCT05827978 Apr 2023 → Jun 2024 influenza ModernaTX, Inc. Completed No outcome recorded
Phase 3 NCT05566639 Sep 2022 → Jan 2024 influenza ModernaTX, Inc. Completed No outcome recorded
Phase 3 NCT05245552 Aug 2022 → Aug 2023 influenza Sinovac Biotech Co., Ltd Completed No outcome recorded
Phase 3 NCT05415462 Jun 2022 → Sep 2023 influenza ModernaTX, Inc. Completed No outcome recorded
Phase 3 NCT05028634 Nov 2021 → Nov 2023 relapsing-remitting multiple sclerosis Celgene Corporation Completed No outcome recorded
Phase 3 NCT04848467 Oct → Nov 2021 COVID-19 Bayer Withdrawn No outcome recorded
Phase 3 NCT04544267 Sep 2020 → Jun 2021 influenza Sanofi Pasteur, a Sanofi Company Terminated No outcome recorded
Phase 3 NCT04210349 Jan → Dec 2020 influenza Sanofi Pasteur, a Sanofi Company Completed No outcome recorded
Phase 413 trials
Phase 4 NCT05970887 Oct → Dec 2022 Catholic Kwandong University Completed No outcome recorded
Phase 4 NCT05996549 Sep 2022 → Jul 2024 International Centre for Diarrhoeal Disease Research, Bangladesh Unknown No outcome recorded
Phase 4 NCT05471531 Nov 2021 → Mar 2022 Sinovac Biotech Co., Ltd Completed No outcome recorded
Phase 4 NCT05499351 Oct → Dec 2021 COVID-19 Sinovac Biotech Co., Ltd Completed No outcome recorded
Phase 4 NCT04997239 Oct 2021 influenza Sinovac Biotech Co., Ltd Completed No outcome recorded
Phase 4 NCT05108818 Oct 2021 → Apr 2027 expected influenza University of Pennsylvania Recruiting No outcome recorded
Phase 4 NCT05313893 Sep → Dec 2021 influenza Jiangsu Province Centers for Disease Control and Prevention Completed No outcome recorded
Phase 4 NCT04801888 Mar → May 2021 COVID-19, influenza Sinovac Research and Development Co., Ltd. Completed No outcome recorded
Phase 4 NCT04667117 Jan 2021 → Jul 2023 multiple sclerosis Novartis Pharmaceuticals Completed No outcome recorded
Phase 4 NCT02915302 Sep 2016 → Mar 2017 influenza Sanofi Pasteur, a Sanofi Company Completed No outcome recorded
Phase not applicable3 trials
NCT01906190 Aug 2011 → Mar 2013 influenza Centers for Disease Control and Prevention, China Completed No outcome recorded
NCT01202552 Oct 2010 → Apr 2018 influenza Queen Saovabha Memorial Institute Completed No outcome recorded
NCT01651754 Sep 2010 → Aug 2011 myalgic encephalomeyelitis/chronic fatigue syndrome Radboud University Medical Center Completed No outcome recorded
Also used as a comparator or background therapy in 17 trials
PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 14 trials
Phase 1 NCT05227001 Comparator Apr 2022 → Aug 2023 influenza Pfizer Completed No outcome recorded
Phase 1 NCT01444482 Comparator May → Nov 2011 influenza Isconova AB Unknown No outcome recorded
Phase 1 NCT01405885 Comparator May 2011 → Aug 2013 Inovio Pharmaceuticals Completed No outcome recorded
Phase 1 NCT00798343 Comparator Jan 2009 → Mar 2010 influenza University Hospitals, Leicester Completed No outcome recorded
Phase 1/22 trials
Phase 1/2 NCT05827068 Comparator Mar → Nov 2023 influenza ModernaTX, Inc. Completed No outcome recorded
Phase 1/2 NCT05333289 Comparator Apr → Nov 2022 influenza ModernaTX, Inc. Completed No outcome recorded
Phase 23 trials
Phase 2 NCT03300362 Background Oct 2017 → Oct 2018 influenza Barinthus Biotherapeutics Terminated No outcome recorded
Phase 2 NCT02860039 Comparator Sep 2016 → Dec 2021 cancer, disease related to hematopoietic stem cell transplant, influenza Vanderbilt-Ingram Cancer Center Completed No outcome recorded
Phase 2 NCT00620815 Comparator Nov 2007 → Jan 2008 influenza Novartis Vaccines Completed No outcome recorded
Phase 35 trials
Phase 3 NCT05513391 Comparator Nov 2022 → Oct 2023 Sanofi Pasteur, a Sanofi Company Terminated No outcome recorded
Phase 3 NCT05540522 Comparator Sep 2022 → Mar 2024 influenza Pfizer Completed No outcome recorded
Phase 3 NCT01964989 Comparator Nov 2013 → Oct 2015 influenza Seqirus Completed No outcome recorded
Phase 3 NCT01199861 Background Aug 2010 → May 2011 multiple sclerosis Novartis Completed No outcome recorded
Phase 3 NCT01040078 Comparator Dec 2009 → Feb 2010 swine influenza Centers for Disease Control and Prevention, China Unknown No outcome recorded
Phase 41 trial
Phase 4 NCT01980836 Comparator Nov 2013 → Feb 2014 rheumatoid arthritis Tel-Aviv Sourasky Medical Center Unknown No outcome recorded
Phase not applicable2 trials
NCT06827873 Background Feb → May 2025 overdue Tsinghua University Not yet recruiting No outcome recorded
NCT02765126 Comparator May 2016 → Dec 2019 Clifford Craig Medical Research Trust Unknown No outcome recorded

Press releases naming this drug 11 releases

DateIssuerRelease
2025-10-17 CSL Behring CSL Seqirus Presents Latest Research Across Leading Seasonal Influenza Vaccine Portfolio at ESWI 2025 csl.com
2021-12-07 CSL Behring New Data Supports the Effectiveness of Adjuvanted Seasonal Influenza Vaccine in Reducing Influenza-Related Hospitalizations and Healthcare Costs in Older Adults csl.com
2021-10-14 CSL Behring The New England Journal of Medicine Publishes First-of-its-Kind Study on Cell-Based Quadrivalent Seasonal Influenza Vaccine (QIVc) Efficacy in Children and Adolescents ≥2 to < 18 Years of Age csl.com
2021-09-29 Pfizer Positive Top-line Results of Pfizer’s Phase 3 Study Exploring Coadministration of Prevnar 20™ With Seasonal Flu Vaccine in Older Adults Released pfizer.com
2020-12-14 CSL Behring Seqirus Presents Real-World Data for Cell-Based Quadrivalent Seasonal Influenza Vaccine (QIVc) at ESWI 2020 csl.com
2020-12-14 CSL Behring Seqirus Presents New Late-Breaking Data at ESWI 2020 Highlighting Value of MF59®-Adjuvanted Seasonal Influenza Vaccine csl.com
2020-06-08 CSL Behring First adjuvanted quadrivalent influenza vaccine receives EU approval csl.com
2020-03-31 CSL Behring Seqirus announces positive CHMP Opinion for its adjuvanted quadrivalent influenza vaccine csl.com
2019-12-11 CSL Behring Seqirus announces Health Canada approval of first cell-based seasonal influenza vaccine csl.com
2019-12-09 CSL Behring New Data Demonstrate that FLUAD® (Influenza Vaccine, Adjuvanted) Significantly Reduces Hospitalization Risk for Adults 65+ Living in U.S. Nursing Homes Compared to Standard Trivalent Influenza Vaccine csl.com
2019-01-14 CSL Behring First cell-based quadrivalent influenza vaccine approved for use in Europe csl.com

Evidence & citations 19 cited values

Every value below carries the sentence it was read from. 75 sources stand behind the page.

FieldValueCited text
Known as quadrivalent influenza vaccine “the quadrivalent influenza vaccine and the 23-valent pneumococcal polysaccharide vaccine(PPV23) were manufactured by Sinovac Biotech Co.” NCT05499351
28

NCT03859141

NCT04001504

NCT04667117

NCT05540522

NCT05227001

NCT05513391

NCT05970887

NCT01240746

NCT01967784

NCT05471531

NCT02710409

NCT06049927

NCT01964989

NCT05996549

NCT04997239

NCT04363359

NCT04801888

NCT03744104

NCT03765437

NCT01481454

NCT04848467

NCT04544267

NCT03336593

NCT02860039

NCT05245552

NCT04210349

NCT03853993

NCT05313893

Known as FLUAD “A Phase II, Open Label, Uncontrolled, Multi Center Study to Evaluate Safety and Immunogenicity of FLUAD® Surface Antigen, Inactivated, Adjuvanted With MF59C.1 Influenza...” NCT00734734
Known as Fluzone Quadrivalent Influenza Vaccine ClinicalTrials.gov intervention name — accepted as the source's own label NCT03546192
Known as Fluzone Quadrivalent vaccine, No Preservative ClinicalTrials.gov intervention name — accepted as the source's own label NCT02915302
Known as IIV4 “Inactivated quadrivalent influenza vaccine (IIV4) containing two influenza A strains and one strain from each B lineage (Yamagata and Victoria) may offer broader protection...” PMID 25843270 Apr 2015
3

“Inactivated quadrivalent influenza vaccine (IIV4) containing two influenza A strains (H1N1 and H3N2) and one strain from each B lineage (Victoria and Yamagata)” PMID 32732142 Jul 2020

“non-adjuvanted inactivated influenza vaccine (ie, trivalent inactivated influenza vaccine [IIV3] or quadrivalent inactivated influenza vaccine [IIV4])” PMID 29631857 Apr 2018

“Biological: Quadrivalent influenza vaccine (IIV4)” NCT05513391

Known as mRNA-1010 ClinicalTrials.gov intervention name — accepted as the source's own label NCT05868382
11

NCT05606965

NCT05585632

NCT05566639

NCT05827068

NCT05827978

NCT05415462

NCT04956575

NCT05397223

NCT06602024

NCT05375838

NCT05333289

Known as mRNA-1010.2 ClinicalTrials.gov intervention name — accepted as the source's own label NCT05827068
Known as mRNA-1010.3 ClinicalTrials.gov intervention name — accepted as the source's own label NCT05827068
Known as QIV “The aim of the study is to assess the safety profile of a quadrivalent influenza vaccine (QIV) and to demonstrate that 3 different industrial lots of QIV induce an equivalent...” NCT01481454
5

“Non-adjuvanted Trivalent Influenza Vaccine (TIV) / Quadrivalent Influenza Vaccine (QIV)” NCT01964989

“new formulation of Quadrivalent Influenza Vaccine (QIV) for the 2013-2014 season” NCT01967784

“flu vaccine called seasonal quadrivalent influenza vaccine (QIV)” NCT04848467

“licensed quadrivalent influenza vaccine (QIV)” NCT05540522

“Quadrivalent influenza vaccine (QIV)” NCT05227001

Known as QIV-HD “high-dose quadrivalent influenza vaccine (QIV-HD) to standard-dose quadrivalent influenza vaccine (QIV-SD)” NCT04544267
Known as QIV-SD “high-dose quadrivalent influenza vaccine (QIV-HD) to standard-dose quadrivalent influenza vaccine (QIV-SD)” NCT04544267
Known as SD-QIV “We demonstrated in a primary phase 2 randomized controlled trial that 2 post-HCT doses of high-dose trivalent influenza vaccine (HD-TIV) given 4 weeks apart were more...” PMID 39279435 Feb 2025
Known as Seasonal flu vaccine ClinicalTrials.gov intervention name — accepted as the source's own label NCT01152814
1

NCT01123954

Known as Seasonal influenza vaccination ClinicalTrials.gov intervention name — accepted as the source's own label NCT01651754
Known as seasonal influenza vaccine “Non-adjuvanted seasonal influenza vaccine (total dose 45ug)” NCT00798343
23

NCT01906190

NCT02765126

NCT01199861

NCT01422512

NCT01202552

NCT02988739

NCT05028634

NCT01063088

NCT01357265

NCT00620815

NCT01405885

NCT01980836

NCT05108818

NCT01444482

NCT01344057

NCT02105519

NCT00956449

NCT01040078

NCT02748785

NCT03300362

NCT01687517

NCT00735410

NCT00734734

Known as Shanghai Biological Quadrivalent Influenza Virus Inactivated Vaccine ClinicalTrials.gov intervention name — accepted as the source's own label NCT06827873
Known as standard-dose quadrivalent influenza vaccine “We demonstrated in a primary phase 2 randomized controlled trial that 2 post-HCT doses of high-dose trivalent influenza vaccine (HD-TIV) given 4 weeks apart were more...” PMID 39279435 Feb 2025
Modality Vaccine “seasonal influenza vaccineNCT00620815
Route Intramuscular “1 single intramuscular dose of influenza vaccine, 2008/2009 NH formulation” NCT00734734