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ClinicalTrials.gov public records Last synced Oct 6, 2026, 2:39 PM EDT

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Showing 25–43 of 43 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Inactivated Influenza Vaccine (IIV) Clear all
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 6, 2026, 2:39 PM EDT
Completed Not applicable Interventional

Assessing Fever Rates in Children Ages 24 to 59 Months After Live Attenuated Influenza Vaccine (LAIV) or Inactivated Influenza Vaccines (IIV) Using Text Messaging for U.S. Influenza Vaccines in 2012-2013 & 2013-2014

NCT01764269
View directory record Official record
Conditions
Fever
Interventions
text message surveillance for fever
Other
Lead sponsor
Columbia University
Other
Eligibility
24 Months to 59 Months
Enrollment
656 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
2
States / cities
Atlanta, Georgia • New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 24, 2014 · Synced Oct 6, 2026, 2:39 PM 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 6, 2026, 2:39 PM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers

Evaluating the Safety and Immunogenicity of a Live Attenuated Virus Vaccine to Prevent Influenza H3N2v Disease

NCT02883426
View directory record Official record
Conditions
Influenza
Interventions
H3N2v MN 2010/AA ca live attenuated influenza vaccine (LAIV), H3N2v inactivated subvirion influenza vaccine, Placebo
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
6 Years to 26 Years
Enrollment
1 participant
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2016
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated May 3, 2018 · Synced Oct 6, 2026, 2:39 PM 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 6, 2026, 2:39 PM 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 6, 2026, 2:39 PM 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 6, 2026, 2:39 PM 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 6, 2026, 2:39 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Study of a Combination Vaccine Comprised of Different Recombinant Spike Antigen Levels of a Matrix-M Adjuvanted Recombinant COVID-19 Vaccine and High-Dose Inactivated Influenza Vaccine in Adult Participants 50 Years of Age and Older

NCT06695117
View directory record Official record
Conditions
COVID-19 Immunization, Influenza Immunization
Interventions
IIV-HD, rC19 (dose 1), IIV-HD + rC19 (dose 1), IIV-HD + rC19 (dose 2), IIV-HD + rC19 (dose 3), IIV-HD + rC19 (dose 4), Placebo (0.9% NaCl)
Biological · Other
Lead sponsor
Sanofi
Industry
Eligibility
50 Years and older
Enrollment
980 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
12
States / cities
Birmingham, Alabama • Huntsville, Alabama • Tucson, Arizona + 9 more
Source: ClinicalTrials.gov public record
Updated May 5, 2026 · Synced Oct 6, 2026, 2:39 PM EDT
Active, not recruiting Phase 2 Interventional

High vs. Standard Dose Influenza Vaccine in Adult SOT Recipients

NCT04613206
View directory record Official record
Conditions
Immunization; Infection, Transplantation Infection, Influenza, Solid Organ Transplant
Interventions
High Dose Quadrivalent Inactivated Influenza Vaccine, Standard Dose Quadrivalent Inactivated Influenza Vaccine
Biological
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
396 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 2, 2026 · Synced Oct 6, 2026, 2:39 PM EDT
Completed Phase 2 Interventional

Mucosal and Systemic Immunity After Viral Challenge of Healthy Volunteers Vaccinated With Inactivated Influenza Vaccine Via the Intranasal Versus Intramuscular Route

NCT03845231
View directory record Official record
Conditions
Influenza
Interventions
Flucelvax(R), Human Challenge virus
Biological · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 55 Years
Enrollment
82 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 10, 2020 · Synced Oct 6, 2026, 2:39 PM 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 6, 2026, 2:39 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of Prophylactic Antipyretics on Immune Responses and Fever After 2014-2015 and 2015-2016 Inactivated Influenza Vaccine

NCT02212990
View directory record Official record
Conditions
Fever
Interventions
Acetaminophen Arm, Placebo Arm, Ibuprofen Arm
Other
Lead sponsor
Duke University
Other
Eligibility
6 Months to 47 Months
Enrollment
104 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 7, 2018 · Synced Oct 6, 2026, 2:39 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Clinical Immunization Safety Assessment (CISA) Project: Pilot Study to Assess the Effect of Prophylactic Antipyretics on Immune Responses and Fever After IIV

NCT01946594
View directory record Official record
Conditions
Fever
Interventions
Acetaminophen, Placebo
Other
Lead sponsor
Duke University
Other
Eligibility
12 Months to 35 Months
Enrollment
41 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 20, 2016 · Synced Oct 6, 2026, 2:39 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Safety and Immunogenicity of Different Formulations of an MF59-Adjuvanted Influenza Vaccine in Older Adults ≥50 Years of Age

NCT05501561
View directory record Official record
Conditions
Influenza, Human
Interventions
Experimental: IIV-A Investigational IIV-A administered as a single dose intramuscularly on Day 1, Experimental: aIIV-B Investigational aIIV-B administered as a single dose intramuscularly on Day 1, Experimental: aIIV-C Investigational aIIV-C administered as a single dose intramuscularly on Day 1, Active Comparator: Licensed IIV IIV administered as a single dose intramuscularly on Day 1
Biological
Lead sponsor
Seqirus
Industry
Eligibility
50 Years and older
Enrollment
1,056 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
47
States / cities
Tempe, Arizona • Huntington Beach, California • San Diego, California + 42 more
Source: ClinicalTrials.gov public record
Updated Jun 30, 2026 · Synced Oct 6, 2026, 2:39 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Systems Biology of Flu Vaccine in Healthy Adults With and Without the Use of Antibiotics

NCT02154061
View directory record Official record
Conditions
Influenza
Interventions
IIV Flu Vaccine, Metronidazole, Neomycin, Vancomycin
Drug
Lead sponsor
Emory University
Other
Eligibility
18 Years to 40 Years
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Aug 15, 2018 · Synced Oct 6, 2026, 2:39 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Safety of LAIV4 in Children With Asthma

NCT03600428
View directory record Official record
Conditions
Asthma in Children, Vaccine Adverse Reaction, Vaccine Reaction, Asthma, Wheezing, Influenza
Interventions
Live Attenuated Influenza Vaccine (LAIV), Inactivated Influenza Vaccine (IIV)
Biological
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
5 Years to 11 Years
Enrollment
152 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
3
States / cities
Durham, North Carolina • Cincinnati, Ohio • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Mar 16, 2021 · Synced Oct 6, 2026, 2:39 PM 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 6, 2026, 2:39 PM 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 6, 2026, 2:39 PM EDT