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ClinicalTrials.gov public records Last synced Oct 14, 2026, 5:35 PM EDT

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Showing 337–360 of 1,157 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Influenza vaccine Clear all
Recruiting Phase 3 Interventional

Randomized, Embedded, Multifactorial Adaptive Platform Trial for Community- Acquired Pneumonia

NCT02735707
View directory record Official record
Conditions
Community-acquired Pneumonia, Influenza, COVID-19
Interventions
Ceftriaxone, Moxifloxacin or Levofloxacin, Piperacillin-tazobactam, Ceftaroline, Amoxicillin-clavulanate, Standard course macrolide, Extended course macrolide, No systemic corticosteroid, Fixed-duration Hydrocortisone, Shock-dependent hydrocortisone, Fixed-duration higher dose Hydrocortisone, No antiviral agent for influenza, Five-days oseltamivir, Ten-days oseltamivir, No antiviral agent for COVID-19, Lopinavir / Ritonavir, Hydroxychloroquine, Hydroxychloroquine + lopinavir/ritonavir, Ivermectin, No immune modulation for COVID-19, Interferon beta-1a, Anakinra, Tocilizumab, Sarilumab, Local standard venous thromboprophylaxis, Therapeutic dose anticoagulation, Conventional low dose thromboprophylaxis, Intermediate dose thromboprophylaxis, Continuation of therapeutic dose anticoagulation, No immunoglobulin, Convalescent plasma, Delayed administration of convalescent plasma, No vitamin C, Vitamin C, No antiplatelet, Aspirin, P2Y12 inhibitor, No simvastatin, Simvastatin, Eritoran, Apremilast, Clinician-preferred mechanical ventilation strategy, Protocolised mechanical ventilation strategy, No renin-angiotensin system inhibitor, Angiotensin converting enzyme inhibitor, Angiotensin Receptor Blockers, ARB + DMX-200, No cysteamine, Cysteamine, Fixed-duration dexamethasone, Baloxavir Marboxil, Five-days oseltamivir + baloxavir marboxil, Ten-days oseltamivir + baloxavir marboxil, No endothelial modulator, Imatinib, No Immune Modulator for Influenza, Baricitinib, Nirmatrelvir/ritonavir, Remdesivir, Nirmatrelvir/ritonavir + remdesivir
Drug · Other · Biological + 1 more
Lead sponsor
UMC Utrecht
Other
Eligibility
18 Years and older
Enrollment
20,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2028
U.S. locations
11
States / cities
Jacksonville, Florida • Augusta, Georgia • Chicago, Illinois + 8 more
Source: ClinicalTrials.gov public record
Updated Jul 12, 2024 · Synced Oct 14, 2026, 5:35 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Immunogenicity, Safety and Tolerability of CSL Limited Inactivated Influenza Vaccine in Adults

NCT00333398
View directory record Official record
Conditions
Influenza
Interventions
CSL Trivalent Inactivated Influenza Vaccine - Thimerosal-free, CSL Trivalent Inactivated Influenza Vaccine with Thimerosal, Placebo with Thimerosal
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 64 Years
Enrollment
1,359 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006
U.S. locations
10
States / cities
Stanford, California • Iowa City, Iowa • Baltimore, Maryland + 7 more
Source: ClinicalTrials.gov public record
Updated Aug 27, 2010 · Synced Oct 14, 2026, 5:35 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Experimental AD4-H5-VTN Vaccine in Healthy Volunteers

NCT01443936
View directory record Official record
Conditions
H5N1 Influenza
Interventions
Ad4-H5-VTN vaccination-tonsillar route, Ad4-H5-vaccination-oral route
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 49 Years
Enrollment
96 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2019
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 16, 2019 · Synced Oct 14, 2026, 5:35 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study of Immune Responses in Healthy Adults Receiving Live Influenza Virus Vaccines

NCT01674205
View directory record Official record
Conditions
Influenza, Human
Interventions
A/swine/Missouri/4296424/2006 (H2N3) x A/Ann Arbor/6/60 ca (H2N3 MO 2006/AA ca), A/chicken/Hong Kong/G9/97 (H9N2) x A/Ann Arbor/6/60 ca (H9N2 G9/AA ca), 2012-2013 trivalent seasonal live attenuated influenza vaccine (FluMist®), Vaccine placebo (Leibovitz-15 [L-15]), Vaccine placebo (FluMist®)
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 42 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Dec 15, 2015 · Synced Oct 14, 2026, 5:35 PM EDT
Completed Not applicable Interventional

Clinical Performance of the Diassess Influenza A and B Test

NCT03035396
View directory record Official record
Conditions
Influenza, Human, Influenza, Flu
Interventions
Diassess Influenza A and B Test
Device
Lead sponsor
Diassess Inc.
Industry
Eligibility
Not listed
Enrollment
567 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Syracuse, New York
Source: ClinicalTrials.gov public record
Updated Feb 6, 2018 · Synced Oct 14, 2026, 5:35 PM EDT
Completed No phase listed Observational

Detection of Influenza A, Influenza B, and RSV Using the Liat™ Assays on the Liat™ Analyzer

NCT02067286
View directory record Official record
Conditions
Influenza A, Influenza B, Respiratory Syncytial Virus (RSV)
Interventions
Not listed
Lead sponsor
IQuum, Inc.
Industry
Eligibility
Not listed
Enrollment
1,642 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
8
States / cities
Delray Beach, Florida • Savannah, Georgia • Indianapolis, Indiana + 5 more
Source: ClinicalTrials.gov public record
Updated Aug 31, 2016 · Synced Oct 14, 2026, 5:35 PM EDT
Completed No phase listed Observational

FLU A+B Nasal Swab Clinical Study

NCT00636662
View directory record Official record
Conditions
Influenza
Interventions
Non-invasive diagnostic testing
Other
Lead sponsor
Response Biomedical Corp.
Industry
Eligibility
Not listed
Enrollment
800 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008
U.S. locations
4
States / cities
Chicago, Illinois • St Louis, Missouri • Winston-Salem, North Carolina + 1 more
Source: ClinicalTrials.gov public record
Updated Mar 27, 2019 · Synced Oct 14, 2026, 5:35 PM EDT
Completed Not applicable Interventional

Nudging Flu Vaccination in Patients at Moderately High Risk for Flu and Flu-related Complications

NCT05509283
View directory record Official record
Conditions
Influenza, Vaccination, Health Promotion, Health Behavior, Risk Reduction
Interventions
Risk Reduction
Behavioral
Lead sponsor
Geisinger Clinic
Other
Eligibility
18 Years and older
Enrollment
40,671 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
1
States / cities
Danville, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 5, 2022 · Synced Oct 14, 2026, 5:35 PM EDT
Completed Not applicable Interventional Results available

TextFluenza: Using Technology To Promote Flu Vaccination In Underserved Maternal And Child Populations

NCT01146912
View directory record Official record
Conditions
Influenza
Interventions
Text Message, automated call
Other
Lead sponsor
Columbia University
Other
Eligibility
6 Months to 50 Years
Enrollment
30,537 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 7, 2015 · Synced Oct 14, 2026, 5:35 PM EDT
Completed Phase 3 Interventional Results available

A Study of Intravenous Zanamivir Versus Oral Oseltamivir in Adults and Adolescents Hospitalized With Influenza

NCT01231620
View directory record Official record
Conditions
Influenza, Human
Interventions
Zanamivir, Placebo to match zanamivir, Oseltamivir, Placebo to match oseltamivir
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
16 Years and older
Enrollment
626 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
40
States / cities
Birmingham, Alabama • Phoenix, Arizona • Chula Vista, California + 37 more
Source: ClinicalTrials.gov public record
Updated Oct 15, 2018 · Synced Oct 14, 2026, 5:35 PM 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 14, 2026, 5:35 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Body and Social Behavior

NCT05654441
View directory record Official record
Conditions
Psychology, Social, Inflammation, Defeat, Social, Interaction, Social
Interventions
Influenza vaccine, Placebo
Biological
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 35 Years
Enrollment
104 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
2
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 27, 2024 · Synced Oct 14, 2026, 5:35 PM EDT
Withdrawn Phase 1 Interventional Accepts healthy volunteers

Safety and Effectiveness of a Seasonal Live Attenuated Influenza Vaccine in a Human Challenge Model of Infection With Wild-type (wt) Influenza A/California/2009 (H1N1)-Like Virus

NCT02950688
View directory record Official record
Conditions
Influenza, Human
Interventions
Seasonal LAIV, Placebo, Wild-type A/California/2009-like Influenza Virus
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 45 Years
Healthy volunteers
Accepts healthy volunteers
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Nov 29, 2017 · Synced Oct 14, 2026, 5:35 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Nasal Swab Home Collection Kit (NSHC Kit) Study

NCT03813966
View directory record Official record
Conditions
Influenza Viral Infections
Interventions
Sofia Influenza A+B FIA
Diagnostic Test
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
0 Years and older
Enrollment
1,181 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
2
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Oct 5, 2020 · Synced Oct 14, 2026, 5:35 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Study to Collect Sera for Immunogenicity Testing in Children Vaccinated With Fluzone®

NCT00836953
View directory record Official record
Conditions
Influenza
Interventions
Influenza virus vaccine (Pediatric formulation)
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
6 Months to 36 Months
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2004
U.S. locations
1
States / cities
Norfolk, Virginia
Source: ClinicalTrials.gov public record
Updated Apr 14, 2016 · Synced Oct 14, 2026, 5:35 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Influenza Vaccine in Lung Transplant Patients - T Cells

NCT04533061
View directory record Official record
Conditions
Influenza
Interventions
Influenza vaccine
Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2009
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Oct 23, 2020 · Synced Oct 14, 2026, 5:35 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 14, 2026, 5:35 PM EDT
Active, not recruiting Phase 4 Interventional Accepts healthy volunteers

Longitudinal Tracking of Bone Marrow Plasma Cell Responses to Licensed Human Vaccines

NCT07493460
View directory record Official record
Conditions
Immunology, Healthy Adults
Interventions
trivalent inactivated influenza vaccine (TIV), nonavalent HPV vaccine (HPV), hepatitis A (HAV) vaccines, tetanus, diphtheria and acellular pertussis vaccine (Tdap)
Biological
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jul 1, 2026 · Synced Oct 14, 2026, 5:35 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

A Pilot Study for Collection of Anti-Influenza A Immune Plasma

NCT00984451
View directory record Official record
Conditions
Influenza A Virus Infection, Swine Flu
Interventions
Plasma collection following infection or vaccination with influenza A
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 60 Years · Male only
Enrollment
102 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2018
U.S. locations
12
States / cities
Los Angeles, California • Aurora, Colorado • Chicago, Illinois + 7 more
Source: ClinicalTrials.gov public record
Updated Aug 19, 2019 · Synced Oct 14, 2026, 5:35 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Safety and Immunogenicity of Quadrivalent Influenza mRNA Vaccine MRT5413 in Adult Participants18 Years of Age and Older

NCT05650554
View directory record Official record
Conditions
Influenza Immunization
Interventions
Quadrivalent Influenza mRNA Vaccine MRT5413, Quadrivalent Recombinant Influenza Vaccine, Quadrivalent Influenza Standard Dose Vaccine, Quadrivalent Influenza High-Dose Vaccine
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
18 Years and older
Enrollment
682 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
28
States / cities
Chula Vista, California • Gardena, California • Long Beach, California + 24 more
Source: ClinicalTrials.gov public record
Updated Mar 19, 2025 · Synced Oct 14, 2026, 5:35 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Immunologic Response to FluMist vs. Flucelvax

NCT03982069
View directory record Official record
Conditions
Influenza, Human, Immune Response
Interventions
FluMist live attenuated influenza vaccine, Flucelvax inactivated influenza vaccine
Biological
Lead sponsor
Richard Zimmerman MD
Other
Eligibility
4 Years to 21 Years
Enrollment
465 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
2
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 14, 2021 · Synced Oct 14, 2026, 5:35 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Simultaneous RZV and aIIV4 Vaccination

NCT05007041
View directory record Official record
Conditions
Pain, Quality of Life, Injection Site Reaction, Adverse Drug Event
Interventions
FLUAD® Quadrivalent, Fluzone® High-Dose Quadrivalent, SHINGRIX®
Biological
Lead sponsor
Duke University
Other
Eligibility
65 Years and older
Enrollment
267 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
2
States / cities
Baltimore, Maryland • Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 11, 2024 · Synced Oct 14, 2026, 5:35 PM EDT
Completed Not applicable Interventional

The RAPID Trial: Assessing Point-of-care Influenza and Other Respiratory Virus Diagnostics

NCT03756753
View directory record Official record
Conditions
Respiratory Pathogens, Upper Respiratory Tract Illness, Lower Respiratory Tract Illness, Acute Respiratory Infection
Interventions
Results available to provider
Diagnostic Test
Lead sponsor
University of Colorado, Denver
Other
Eligibility
1 Month to 18 Years
Enrollment
913 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Nov 9, 2021 · Synced Oct 14, 2026, 5:35 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Safety Study of Recombinant M2e Influenza-A Vaccine in Healthy Adults

NCT00819013
View directory record Official record
Conditions
Influenza
Interventions
Influenza A Vaccine: ACAM FLU-A, Saline placebo
Biological
Lead sponsor
Sanofi
Industry
Eligibility
18 Years to 40 Years
Enrollment
87 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
3
States / cities
Miami, Florida • Lenexa, Kansas • Tacoma, Washington
Source: ClinicalTrials.gov public record
Updated Jan 19, 2012 · Synced Oct 14, 2026, 5:35 PM EDT