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ClinicalTrials.gov public records Last synced Oct 22, 2026, 9:02 AM EDT

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Showing 649–672 of 1,140 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Flu Clear all
Not listed Phase 4 Interventional

Evaluating the Use of Prednisone to Decrease Pegylated Interferon Beta-1a Side Effects

NCT03424733
View directory record Official record
Conditions
Multiple Sclerosis
Interventions
Plegridy, Prednisone, Tylenol Pill
Drug
Lead sponsor
Holy Name Medical Center, Inc.
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Teaneck, New Jersey
Source: ClinicalTrials.gov public record
Updated Aug 15, 2019 · Synced Oct 22, 2026, 9:02 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

H5-VLP + GLA-AF Vaccine Trial in Healthy Adult Volunteers

NCT01657929
View directory record Official record
Conditions
Influenza A Subtype H5N1 Infection
Interventions
H5-VLP + GLA-AF, H5-VLP alone, H5-VLP + Alhydrogel(R), Licensed H5N1 vaccine
Biological
Lead sponsor
Access to Advanced Health Institute (AAHI)
Other
Eligibility
18 Years to 49 Years
Enrollment
105 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
3
States / cities
Daytona Beach, Florida • Dallas, Texas • Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Feb 26, 2014 · Synced Oct 22, 2026, 9:02 AM EDT
Completed Phase 2 Interventional Results available

High vs. Standard Dose Flu Vaccine in Adult Stem Cell Transplant Recipients

NCT03179761
View directory record Official record
Conditions
Hematopoietic Cell Transplantation
Interventions
Quadrivalent Inactivated Influenza Vaccine, Laboratory Biomarker Analysis, Trivalent Influenza Vaccine
Biological · Other
Lead sponsor
Vanderbilt-Ingram Cancer Center
Other
Eligibility
18 Years and older
Enrollment
124 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2024
U.S. locations
4
States / cities
Birmingham, Alabama • Chicago, Illinois • Nashville, Tennessee + 1 more
Source: ClinicalTrials.gov public record
Updated Dec 4, 2024 · Synced Oct 22, 2026, 9:02 AM EDT
Completed Not applicable Interventional Results available

A Study of the GRIP Influenza and SARS-CoV-2 POC Assays

NCT05674370
View directory record Official record
Conditions
COVID-19, Influenza
Interventions
GRIP Electronic Diagnostic Chip, Laboratory-based nucleic acid amplification tests (NAATs)
Device · Diagnostic Test
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 21, 2024 · Synced Oct 22, 2026, 9:02 AM EDT
Completed Not applicable Interventional

The Effect of Time-Slot Scheduling on Flu Vaccination Rates

NCT01206686
View directory record Official record
Conditions
Seasonal Influenza
Interventions
Planning Prompt, Default Appointment, Control
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
50,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 17, 2016 · Synced Oct 22, 2026, 9:02 AM 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 22, 2026, 9:02 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 22, 2026, 9:02 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

P3+ Intervention Phase

NCT02898688
View directory record Official record
Conditions
Vaccination
Interventions
Control Site, Intervention Site, Patient-level Control Group, Patient-level Intervention Group
Behavioral
Lead sponsor
Emory University
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
2,200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
23
States / cities
Aurora, Colorado • Boulder, Colorado • Denver, Colorado + 12 more
Source: ClinicalTrials.gov public record
Updated Aug 5, 2020 · Synced Oct 22, 2026, 9:02 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Study to Evaluate the Safety and Immune Response of Two-Doses of Candidate Influenza Vaccine GSK 1557484A in Adults

NCT00510874
View directory record Official record
Conditions
Influenza
Interventions
Pumarix™, Pandemrix ™
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 64 Years
Enrollment
780 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
7
States / cities
Huntsville, Alabama • Anaheim, California • Miami, Florida + 4 more
Source: ClinicalTrials.gov public record
Updated Aug 17, 2018 · Synced Oct 22, 2026, 9:02 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Galactooligosaccharide, Immune Strength, and Digestive Health

NCT01137760
View directory record Official record
Conditions
Healthy
Interventions
Sucrose, Galactooligosaccharide
Dietary Supplement
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older
Enrollment
427 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Aug 2, 2012 · Synced Oct 22, 2026, 9:02 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

A Study to Evaluate the Safety, Tolerability, and Immunogenicity of V114 When Administered Concomitantly With Influenza Vaccine in Healthy Adults 50 Years of Age or Older (V114-021/PNEU-FLU)

NCT03615482
View directory record Official record
Conditions
Pneumococcal Infections
Interventions
V114, QIV, Matching Placebo for V114
Biological
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
50 Years and older
Enrollment
1,200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
45
States / cities
Birmingham, Alabama • Chandler, Arizona • Mesa, Arizona + 39 more
Source: ClinicalTrials.gov public record
Updated May 22, 2024 · Synced Oct 22, 2026, 9:02 AM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

A Laboratory Evaluation of the Humoral Immune Response in Adults and Children to the H1 Hemagglutinin (HA) Stalk Domain and Other Influenza A Virus Protein Epitopes, After Administration of GlaxoSmithKline (GSK) Biologicals' Pandemic Influenza Vaccines

NCT02415842
View directory record Official record
Conditions
Immunologic Tests
Interventions
Serum samples
Other
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
6 Months to 64 Years
Enrollment
414 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 23, 2019 · Synced Oct 22, 2026, 9:02 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

A Study to Learn About How the Flu and COVID-19 Vaccines Act in Healthy People

NCT06821061
View directory record Official record
Conditions
Influenza, COVID-19 (Coronavirus Disease 2019)
Interventions
Investigational Influenza Vaccine, Investigational COVID-19 Vaccine, Investigational Influenza and COVID-19 Combination Vaccine, Licensed Influenza Vaccine 1, Licensed Influenza Vaccine 2, Licensed Influenza Vaccine 3, Licensed COVID-19 Vaccine
Biological · Combination Product
Lead sponsor
BioNTech SE
Industry
Eligibility
18 Years and older
Enrollment
2,650 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
31
States / cities
Anaheim, California • Lake Forest, California • Riverside, California + 26 more
Source: ClinicalTrials.gov public record
Updated Jan 26, 2026 · Synced Oct 22, 2026, 9:02 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Incentives for Influenza Vaccination

NCT06300242
View directory record Official record
Conditions
Influenza Vaccination
Interventions
Reminders, Financial Incentive, Placebo
Behavioral · Other
Lead sponsor
University of Southern California
Other
Eligibility
18 Years and older
Enrollment
69,972 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Martinez, California
Source: ClinicalTrials.gov public record
Updated May 13, 2024 · Synced Oct 22, 2026, 9:02 AM 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 22, 2026, 9:02 AM EDT
Active, not recruiting Phase 4 Interventional Accepts healthy volunteers

Comparative Immunogenicity of Respiratory Virus Vaccines (CIRV2) Study

NCT07287137
View directory record Official record
Conditions
COVID -19, COVID - 19, COVID 19, Influenza, Respiratory Virus, Respiratory Viruses, Respiratory Virus Infection, Respiratory Virus Infections
Interventions
Pfizer-BioNTech mRNA COVID-19 vaccine, Novavax recombinant protein vaccine
Drug
Lead sponsor
Henry M. Jackson Foundation for the Advancement of Military Medicine
Other
Eligibility
18 Years to 79 Years
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 11, 2026 · Synced Oct 22, 2026, 9:02 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Study to Evaluate Immunogenicity and Safety of GlaxoSmithKline (GSK) Biologicals' Quadrivalent Influenza Vaccine GSK2282512A When Administered to Children From 6 to 35 Months of Age

NCT01974895
View directory record Official record
Conditions
Influenza
Interventions
FluLaval® Quadrivalent, Fluzone®
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
6 Months to 35 Months
Enrollment
316 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
12
States / cities
Sacramento, California • West Covina, California • Altamonte Springs, Florida + 9 more
Source: ClinicalTrials.gov public record
Updated Sep 7, 2018 · Synced Oct 22, 2026, 9:02 AM EDT
Recruiting Not applicable Interventional

The Effects of Endotracheal Suctioning on Pain and Serum Markers

NCT06692400
View directory record Official record
Conditions
Intensive Care Unit ICU, Intubation, Critical Illness, Mechanical Ventilation, Pain Measurement, Pain, Procedural, Oxidative Stress, Hypoxia, Biomarkers / Blood, Adult, Uric Acid, Sepsis, COVID, Influenza, Pneumonia
Interventions
endotracheal tube suctioning
Procedure
Lead sponsor
Loma Linda University
Other
Eligibility
18 Years and older
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Loma Linda, California
Source: ClinicalTrials.gov public record
Updated Jul 10, 2026 · Synced Oct 22, 2026, 9:02 AM EDT
Terminated Phase 1Phase 2 Interventional Results available

SCID Bu/Flu/ATG Study With T Cell Depletion

NCT02127892
View directory record Official record
Conditions
Severe Combined Immunodeficiency
Interventions
unrelated BM with T cell depletion, unrelated cord blood, haplo BM with T cell depletion, unrelated PBSC with T cell depletion
Biological · Device
Lead sponsor
Neena Kapoor, M.D.
Other
Eligibility
Up to 21 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2016
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Sep 18, 2017 · Synced Oct 22, 2026, 9:02 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Safety and Immunogenicity of Flublok Quadrivalent vs IIV4 in Adults 18-49 Years of Age

NCT02290509
View directory record Official record
Conditions
Influenza
Interventions
Flublok Quadrivalent, Inactivated Influenza Vaccine (IIV4)
Biological
Lead sponsor
Protein Sciences Corporation
Industry
Eligibility
18 Years to 49 Years
Enrollment
1,350 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
10
States / cities
Sacramento, California • Coral Gables, Florida • Savannah, Georgia + 7 more
Source: ClinicalTrials.gov public record
Updated Oct 27, 2016 · Synced Oct 22, 2026, 9:02 AM EDT
Completed Not applicable Interventional Results available

Study to Evaluate Impact of School-based Influenza Vaccination on School Populations

NCT00844051
View directory record Official record
Conditions
Influenza
Interventions
School-based influenza vaccination program
Biological
Lead sponsor
Children's Hospital Los Angeles
Other
Eligibility
4 Years to 18 Years
Enrollment
4,455 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
2
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Sep 12, 2016 · Synced Oct 22, 2026, 9:02 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Optimizing Lymphatic Pumping for Influenza Vaccine Responses in Vulnerable Populations

NCT07786467
View directory record Official record
Conditions
No Disease or Condition is Being Directly Studied, The Focus of the Study in Healthy Volunteers
Interventions
Osteopathic manipulation, Sham
Other
Lead sponsor
Lake Erie College of Osteopathic Medicine
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Erie, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 23, 2026 · Synced Oct 22, 2026, 9:02 AM EDT
Completed Phase 1 Interventional Results available

Standard vs High-Dose Trivalent Inactivated Flu Vaccine in Adult Hematopoetic Stem Cell Transplant (HSCT) Recipients

NCT01215734
View directory record Official record
Conditions
Adult Stem Cell Hematopoetic Transplant
Interventions
High-Dose Trivalent Inactivated Influenza Vaccine (HD-TIV), Standard Dose Trivalent Inactivated Flu Vaccine
Biological
Lead sponsor
Vanderbilt-Ingram Cancer Center
Other
Eligibility
18 Years and older
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Mar 8, 2013 · Synced Oct 22, 2026, 9:02 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Effects of Tobacco Products on Live Attenuated Influenza Virus (LAIV) Infections in Human Volunteers

NCT02019745
View directory record Official record
Conditions
Influenza, Human, Smoking, Respiratory Tract Infections, Habits
Interventions
LAIV
Biological
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 45 Years
Enrollment
62 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 4, 2018 · Synced Oct 22, 2026, 9:02 AM EDT