Independent directory Public ClinicalTrials.gov records United States
Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Oct 21, 2026, 10:57 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 841–864 of 1,159 matching trials from the live ClinicalTrials.gov search.
Conditions
Influenza
Interventions
Text Message, Written reminder
Other
Lead sponsor
Columbia University
Other
Eligibility
6 Months to 9 Years
Enrollment
660 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
New York, New York
Conditions
Influenza, Human
Interventions
Flu Symptoms
Device
Lead sponsor
Sekisui Diagnostics, LLC
Industry
Eligibility
3 Months and older
Enrollment
677 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
3
States / cities
Winston-Salem, North Carolina • Charleston, South Carolina • New Braunfels, Texas
Conditions
Influenza
Interventions
High-Dose Quadrivalent Influenza Vaccine (QIV-HD) 30 μg (split-virion, inactivated), High-Dose Quadrivalent Influenza Vaccine (QIV-HD) 45 μg, (split-virion, inactivated), High-Dose Quadrivalent Influenza Vaccine (QIV-HD) 60 µg (split-virion, inactivated), Fluarix Quadrivalent Influenza vaccine (Unadjuvanted QIV-SD) (Inactivated), FLUAD Pediatric (adjuvanted TIV) (Surface Antigen, Inactivated)
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
6 Months to 17 Years
Enrollment
665 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
13
States / cities
San Diego, California • Miami, Florida • Atlanta, Georgia + 8 more
Conditions
Idiopathic Thrombocytopenic Purpura, Immune Thrombocytopenic Purpura
Interventions
Inactivated Trivalent Influenza vaccine
Biological
Lead sponsor
Neufeld, Ellis J, MD, PhD
Individual
Eligibility
18 Months to 18 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
3
States / cities
Los Angeles, California • Atlanta, Georgia • Boston, Massachusetts
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
Conditions
Acute Myeloid Leukemia, Myelodysplastic Syndrome
Interventions
Trivalent Influenza Vaccine
Biological
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
40 Years and older
Enrollment
130 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2022
U.S. locations
1
States / cities
Buffalo, New York
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Safety, Reactogenicity and Immunogenicity of an H5N1 VLP

NCT00519389
Conditions
Pandemic Influenza
Interventions
H5N1 VLP Vaccine, Placebo
Biological
Lead sponsor
Novavax
Industry
Eligibility
18 Years to 40 Years
Enrollment
230 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
San Antonio, Texas
Conditions
Influenza -Like Illness
Interventions
Norketotifen, Placebo
Drug
Lead sponsor
Emergo Therapeutics, Inc.
Industry
Eligibility
18 Years to 64 Years
Enrollment
238 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
18
States / cities
Birmingham, Alabama • Phoenix, Arizona • Long Beach, California + 14 more
Conditions
Influenza, Orthomyxoviridae Infections
Interventions
Influenza Virus Vaccine No Preservative: Pediatric Dose
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
6 Months to 5 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Norfolk, Virginia
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Phase 3 Safety and Immunogenicity Study of aQIV in Elderly Adults

NCT03314662
Conditions
Influenza, Human
Interventions
MF59-adjuvanted Quadrivalent Subunit Inactivated Egg-derived Influenza Vaccine (aQIV), Licensed MF59-adjuvanted Trivalent Subunit Inactivated Egg-derived Influenza Vaccine (aTIV-1), MF59-adjuvanted Trivalent Subunit Inactivated Egg-derived Influenza Vaccine Containing the Alternate B Strain (aTIV-2)
Biological
Lead sponsor
Seqirus
Industry
Eligibility
65 Years and older
Enrollment
1,778 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
20
States / cities
Mobile, Alabama • Anaheim, California • Redding, California + 17 more
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Influenza A 2009 H1N1 Challenge Study in Healthy Adults

NCT01646138
Conditions
Influenza
Interventions
Ca/04/2009/H1N1 Vero Grown Challenge Virus
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 50 Years
Enrollment
49 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Haemophilus Infections, Diphtheria, Tetanus, Polio, Pertussis
Interventions
DTaP-IPV/Hib
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
Up to 59 Months
Enrollment
20,830 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2014
U.S. locations
59
States / cities
Albany, California • Martinez, California • San Francisco, California + 56 more
Conditions
Virus Diseases, RNA Virus Infections, Respiratory Tract Diseases, Respiratory Tract Infections
Interventions
Low dose of quadrivalent VLP vaccine, Medium dose of quadrivalent VLP vaccine, High dose of quadrivalent VLP vaccine, Placebo
Biological
Lead sponsor
Medicago
Industry
Eligibility
18 Years to 49 Years
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
2
States / cities
Hollywood, Florida • Miami, Florida
Conditions
Influenza, Swine-origin A/H1N1 Influenza
Interventions
Monovalent Subvirion A/H1N1 influenza vaccine with adjuvant, Monovalent Subvirion A/H1N1 influenza vaccine, Normal saline solution
Biological
Lead sponsor
Sanofi
Industry
Eligibility
18 Years and older
Enrollment
548 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
15
States / cities
Anaheim, California • Fountain Valley, California • South Miami, Florida + 11 more
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Safety, Tolerability, and Pharmacokinetics of SAB-176 in Healthy Participants

NCT04471038
Conditions
Influenza Type A, Influenza Type B, Influenza
Interventions
SAB-176, Normal Saline
Biological · Other
Lead sponsor
SAb Biotherapeutics, Inc.
Industry
Eligibility
18 Years to 60 Years
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Austin, Texas
Conditions
Influenza
Interventions
FLUARIX QUADRIVALENT
Biological
Lead sponsor
Emory University
Other
Eligibility
42 Years to 71 Years
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Atlanta, Georgia
Completed No phase listed Observational Accepts healthy volunteers

Cigarette Smoke and Susceptibility to Influenza Infection

NCT00448617
Conditions
Healthy
Interventions
Not listed
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 35 Years
Enrollment
138 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2011
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Conditions
Immunity, Cellular
Interventions
Influenza Vaccine
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 50 Years
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2022
U.S. locations
1
States / cities
St Louis, Missouri
Conditions
Depression, Healthy
Interventions
Influenza Vaccine
Biological
Lead sponsor
University of Texas at Austin
Other
Eligibility
18 Years to 60 Years
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Austin, Texas
Conditions
Influenza, Human, Infections, Respiratory Tract Infections, Virus Diseases, Infection Viral
Interventions
aH5N8c on Day 1, aH5N6c on Day 1, aH5N8c on Day 22, aH5N6c on Day 22, aH5N8c on Day 202
Biological
Lead sponsor
Seqirus
Industry
Eligibility
18 Years and older
Enrollment
480 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
9
States / cities
Cullman, Alabama • Lilburn, Georgia • Norcross, Georgia + 6 more
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Safety and Immunogenicity of Two Trivalent Subunit Influenza Vaccines in Healthy Adult Subjects

NCT02256488
Conditions
Prophylaxis: Influenza
Interventions
TIVc_LOT A, TIVc_LOT B, TIVc_LOT C, TIVf
Biological
Lead sponsor
Novartis Vaccines
Industry
Eligibility
18 Years to 49 Years
Enrollment
1,561 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
24
States / cities
Anaheim, California • Redding, California • San Diego, California + 19 more
Conditions
Immunization; Infection, Transplantation Infection, Influenza
Interventions
Standard Dose Quadrivalent Inactivated Influenza Vaccine, High Dose Quadrivalent Inactivated Influenza Vaccine
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
3 Years to 17 Years
Enrollment
312 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
10
States / cities
Stanford, California • Atlanta, Georgia • Chicago, Illinois + 7 more
Conditions
Influenza, Orthomyxoviruses, Myxovirus Infection
Interventions
Influenza virus vaccine - cell-based (2007-2008 Formulation), Influenza virus vaccine (2007-2008 Formulation)
Biological
Lead sponsor
Sanofi
Industry
Eligibility
18 Years to 49 Years
Enrollment
729 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
15
States / cities
Hoover, Alabama • Mobile, Alabama • Tucson, Arizona + 12 more
Completed No phase listed Observational Accepts healthy volunteers

Home Testing of Respiratory Illness

NCT04245800
Conditions
Influenza -Like Illness, Influenza A, Influenza Type B, Respiratory Viral Infection, Respiratory Tract Infections
Interventions
Not listed
Lead sponsor
Evidation Health
Industry
Eligibility
18 Years and older
Enrollment
5,233 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
San Mateo, California