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ClinicalTrials.gov public records Last synced Oct 19, 2026, 3:19 AM EDT

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Showing 25–47 of 47 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: IIV Clear all
Completed Phase 2 Interventional Accepts healthy volunteers Results available

2017 A/H7N9 IIV Revaccination

NCT03738241
View directory record Official record
Conditions
Avian Influenza, Influenza Immunisation
Interventions
A/H7N9, AS03, Phosphate Buffered Saline (PBS) diluent
Biological · Drug · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
19 Years to 70 Years
Enrollment
304 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
9
States / cities
Atlanta, Georgia • Iowa City, Iowa • Baltimore, Maryland + 6 more
Source: ClinicalTrials.gov public record
Updated Jul 30, 2021 · Synced Oct 19, 2026, 3:19 AM EDT
Terminated Phase 4 Interventional Accepts healthy volunteers Results available

Evaluation of Human Immune Responses to Influenza Virus Vaccination in Healthy Volunteers

NCT02385123
View directory record Official record
Conditions
Influenza, Influenza Immunisation
Interventions
Influenza Virus Vaccine Inactivated
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 49 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2020
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Oct 25, 2023 · Synced Oct 19, 2026, 3:19 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Simultaneous mRNA COVID-19 and IIV Vaccination in Pregnancy Study

NCT06503900
View directory record Official record
Conditions
Birth Outcomes, Safety, Adverse Event Following Immunization
Interventions
mRNA COVID-19 vaccine, IIV4 (quadrivalent inactivated influenza vaccine)
Biological
Lead sponsor
Duke University
Other
Eligibility
18 Years and older · Female only
Enrollment
98 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
6
States / cities
Atlanta, Georgia • Boston, Massachusetts • Durham, North Carolina + 2 more
Source: ClinicalTrials.gov public record
Updated Oct 7, 2026 · Synced Oct 19, 2026, 3:19 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Safety of RIV4 Versus IIV4 in Pregnant Women

NCT03969641
View directory record Official record
Conditions
Safety, Adverse Event Following Immunisation, Birth Outcomes
Interventions
Quadrivalent Recombinant Influenza Vaccine, Quadrivalent Inactivated Influenza Vaccine
Biological
Lead sponsor
Duke University
Other
Eligibility
18 Years and older · Female only
Enrollment
384 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
3
States / cities
Boston, Massachusetts • Durham, North Carolina • Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 11, 2023 · Synced Oct 19, 2026, 3:19 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Sanofi 2017 H7N9 With/Without AS03 in Adults/Elderly

NCT03312231
View directory record Official record
Conditions
Avian Influenza, Influenza Immunisation
Interventions
AS03, Inactivated influenza H7N9 vaccine, Phosphate Buffered Saline (PBS) diluent
Drug · Biological · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
19 Years to 99 Years
Enrollment
720 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
5
States / cities
Decatur, Georgia • Iowa City, Iowa • Baltimore, Maryland + 2 more
Source: ClinicalTrials.gov public record
Updated Sep 19, 2024 · Synced Oct 19, 2026, 3:19 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Comparison of the Safety of Flublok® Versus Licensed IIV in Healthy, Medically Stable Adults ≥ 50 Years of Age

NCT01825200
View directory record Official record
Conditions
Influenza
Interventions
Flublok, Afluria
Biological
Lead sponsor
Protein Sciences Corporation
Industry
Eligibility
50 Years and older
Enrollment
2,640 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
14
States / cities
Tucson, Arizona • Coral Gables, Florida • Savannah, Georgia + 11 more
Source: ClinicalTrials.gov public record
Updated Feb 18, 2015 · Synced Oct 19, 2026, 3:19 AM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers Results available

Response to Influenza Vaccine During Pregnancy

NCT03888989
View directory record Official record
Conditions
Influenza
Interventions
Quadrivalent inactivated influenza vaccine (IIV)
Biological
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 49 Years · Female only
Enrollment
2 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Feb 17, 2025 · Synced Oct 19, 2026, 3:19 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Control of Epidemic Influenza Through a School-based Influenza Vaccination Program

NCT00138294
View directory record Official record
Conditions
Influenza
Interventions
live attenuated and inactivated influenza vaccines
Biological
Lead sponsor
Baylor College of Medicine
Other
Eligibility
4 Years to 18 Years
Enrollment
29,255 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1998 – 2010
U.S. locations
2
States / cities
Temple, Texas • Waco, Texas
Source: ClinicalTrials.gov public record
Updated May 19, 2017 · Synced Oct 19, 2026, 3:19 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Safety/Efficacy Study of Seqirus A/H7N9 IIV With or Without MF59(R) Adjuvant to Prevent Avian Influenza

NCT03682120
View directory record Official record
Conditions
Avian Influenza, Influenza Immunisation
Interventions
A/H7N9, MF59, Phosphate Buffered Saline (PBS) diluent
Biological · Drug · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 64 Years
Enrollment
372 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
7
States / cities
Birmingham, Alabama • St Louis, Missouri • Cincinnati, Ohio + 4 more
Source: ClinicalTrials.gov public record
Updated May 17, 2021 · Synced Oct 19, 2026, 3:19 AM EDT
Completed Phase 4 Interventional Results available

Influenza Vaccine Feasibility Study in Children With Persistent Asthma

NCT02967393
View directory record Official record
Conditions
Asthmatic
Interventions
ccIIV4, IIV4
Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
5 Years to 11 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
4
States / cities
Atlanta, Georgia • Durham, North Carolina • Cincinnati, Ohio + 1 more
Source: ClinicalTrials.gov public record
Updated Apr 23, 2018 · Synced Oct 19, 2026, 3:19 AM EDT
Completed No phase listed Observational

Pilot Study to Assess Flares Following Inactivated Influenza Vaccine in Children With Systemic Lupus Erythematosus (SLE)

NCT02006784
View directory record Official record
Conditions
Systemic Lupus Erythematosus (SLE)
Interventions
Not listed
Lead sponsor
Vanderbilt University
Other
Eligibility
8 Years to 18 Years
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated May 3, 2017 · Synced Oct 19, 2026, 3:19 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Fever After Simultaneous Versus Sequential Vaccination in Young Children

NCT03165981
View directory record Official record
Conditions
Fever After Vaccination, Fever, Febrile Seizure
Interventions
PCV13, DTaP, IIV
Biological
Lead sponsor
Duke University
Other
Eligibility
12 Months to 16 Months
Enrollment
221 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
3
States / cities
Oakland, California • Atlanta, Georgia • Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 18, 2024 · Synced Oct 19, 2026, 3:19 AM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Flublok v. Standard Dose Vaccine Effectiveness Among Kaiser Permanente Northern California Adults 18-64 Years

NCT03694392
View directory record Official record
Conditions
Influenza, Pneumonia, Lower Respiratory Tract Infection, Acute Myocardial Infarction, Congestive Heart Failure, Stroke
Interventions
Flublok Quadrivalent, Standard Dose Inactivated Influenza Vaccine (SD-IIV)
Biological
Lead sponsor
Kaiser Permanente
Other
Eligibility
18 Years to 64 Years
Enrollment
2,776,278 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2022
U.S. locations
1
States / cities
Oakland, California
Source: ClinicalTrials.gov public record
Updated Apr 8, 2025 · Synced Oct 19, 2026, 3:19 AM EDT
Terminated No phase listed Observational Accepts healthy volunteers

A Case Control Study of the Effectiveness of Q/LAIV Versus Inactivated Influenza Vaccine and No Vaccine in Subjects 2-17 Years of Age

NCT01997450
View directory record Official record
Conditions
Influenza Vaccine Effectiveness
Interventions
Not listed
Lead sponsor
MedImmune LLC
Industry
Eligibility
2 Years to 17 Years
Enrollment
4,121 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
8
States / cities
Gainesville, Florida • Bloomington, Minnesota • Winston-Salem, North Carolina + 5 more
Source: ClinicalTrials.gov public record
Updated Mar 10, 2025 · Synced Oct 19, 2026, 3:19 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A Study to Evaluate the Safety and Immunogenicity of MEDI7510 in Older Adults

NCT02289820
View directory record Official record
Conditions
Respiratory Syncytial Virus (RSV)
Interventions
MEDI7510, IIV
Biological
Lead sponsor
MedImmune LLC
Industry
Eligibility
60 Years to 99 Years
Enrollment
363 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
5
States / cities
Orlando, Florida • South Miami, Florida • Kansas City, Missouri + 2 more
Source: ClinicalTrials.gov public record
Updated Mar 15, 2018 · Synced Oct 19, 2026, 3:19 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Inactivated Influenza Vaccine Delivered by Microneedle Patch or by Hypodermic Needle

NCT02438423
View directory record Official record
Conditions
Influenza
Interventions
Inactivated influenza vaccine, Placebo
Biological · Other
Lead sponsor
Mark Prausnitz
Other
Eligibility
18 Years to 49 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Decatur, Georgia
Source: ClinicalTrials.gov public record
Updated Jul 5, 2019 · Synced Oct 19, 2026, 3:19 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Post-Marketing Observational Study of Safety Following Vaccination With Flublok® Compared to Licensed IIV in Adults

NCT02600585
View directory record Official record
Conditions
Human Influenza
Interventions
Recombinant Influenza Vaccine, Inactivated Influenza Vaccine
Biological
Lead sponsor
Protein Sciences Corporation
Industry
Eligibility
18 Years and older
Enrollment
254,648 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Oakland, California
Source: ClinicalTrials.gov public record
Updated Oct 12, 2017 · Synced Oct 19, 2026, 3:19 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Safety and Immunogenicity of a Live-attenuated Universal Flu Vaccine Followed by an Inactivated Universal Flu Vaccine

NCT03300050
View directory record Official record
Conditions
Influenza, Vaccine
Interventions
cH8/1N1 LAIV, AS03-adjuvanted cH5/1N1 IIV, cH5/1N1 IIV, AS03-adjuvanted cH8/1N1 IIV, Normal saline, Phosphate buffered saline (PBS)
Biological
Lead sponsor
PATH
Other
Eligibility
18 Years to 39 Years
Enrollment
65 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
2
States / cities
Durham, North Carolina • Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 21, 2021 · Synced Oct 19, 2026, 3:19 AM EDT
Completed Phase 4 Interventional Results available

Safety and Immunogenicity of Simultaneous Tdap and IIV in Pregnant Women

NCT02783170
View directory record Official record
Conditions
Pregnancy
Interventions
Tetanus, Diphtheria, and Pertussis Vaccine, 2016-2017 Quadrivalent Inactivated Influenza Vaccine, 2017-2018 Quadrivalent Inactivated Influenza Vaccine
Biological
Lead sponsor
Duke University
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
81 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
3
States / cities
Atlanta, Georgia • Durham, North Carolina • Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 28, 2025 · Synced Oct 19, 2026, 3:19 AM EDT
Terminated Phase 2 Interventional Accepts healthy volunteers Results available

A Study to Evaluate the Efficacy of MEDI7510 in Older Adults

NCT02508194
View directory record Official record
Conditions
Respiratory Syncytial Virus
Interventions
MEDI7510, IIV, Placebo
Biological · Other
Lead sponsor
MedImmune LLC
Industry
Eligibility
60 Years to 99 Years
Enrollment
1,900 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
30
States / cities
Sacramento, California • San Francisco, California • Aurora, Colorado + 27 more
Source: ClinicalTrials.gov public record
Updated Dec 26, 2017 · Synced Oct 19, 2026, 3:19 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

H5N1 With or Without Topical Aldara in Healthy Adults

NCT03472976
View directory record Official record
Conditions
Avian Influenza, Influenza Immunisation
Interventions
Aqueous Cream B.P., Imiquimod, Influenza Virus Vaccine, Monovalent A/H5N1 A/Vietnam/1203/04
Other · Drug · Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 49 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 24, 2020 · Synced Oct 19, 2026, 3:19 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Safety and Immunogenicity of Cam2020 M2SR H3N2 Monovalent Influenza Vaccine Alone or With Licensed IIV in Older Adults

NCT05163847
View directory record Official record
Conditions
Influenza Vaccine
Interventions
Cam2020 M2SR H3N2 influenza vaccine, Fluzone HD IIV, IN Placebo, IM Placebo
Biological · Other
Lead sponsor
FluGen Inc
Industry
Eligibility
65 Years to 85 Years
Enrollment
303 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
6
States / cities
Port Orange, Florida • Meridian, Idaho • Lenexa, Kansas + 3 more
Source: ClinicalTrials.gov public record
Updated Nov 14, 2022 · Synced Oct 19, 2026, 3:19 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Co-Administration of AS03 Adjuvanted A/H7N9 IIV With IIV4

NCT03318315
View directory record Official record
Conditions
Avian Influenza, Influenza, Influenza Immunisation
Interventions
AS03, Inactivated influenza H7N9 vaccine, Influenza Virus Quadrivalent Inactivated Vaccine, Phosphate Buffered Saline (PBS) diluent
Drug · Biological · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
19 Years to 64 Years
Enrollment
149 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
4
States / cities
Birmingham, Alabama • Baltimore, Maryland • Cincinnati, Ohio + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 6, 2020 · Synced Oct 19, 2026, 3:19 AM EDT