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ClinicalTrials.gov public records Last synced Sep 30, 2026, 2:14 AM EDT

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Showing 25–48 of 1,102 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Influenza, Human Clear all
Completed Phase 1 Interventional

Testing the AVI-7100 Flu Drug in Healthy Volunteers

NCT01747148
View directory record Official record
Conditions
Influenza
Interventions
AVI-7100 versus placebo
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 60 Years
Enrollment
66 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 26, 2017 · Synced Sep 30, 2026, 2:14 AM EDT
Withdrawn No phase listed Observational

2009 H1N1 Pandemic and Seasonal Influenza in SCI/D: Infection Control Strategies

NCT01270685
View directory record Official record
Conditions
Influenza
Interventions
Not listed
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years to 89 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Hines, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 26, 2015 · Synced Sep 30, 2026, 2:14 AM EDT
Active, not recruiting No phase listed Observational

A Study to Look at the Health Outcomes of Patients With COVID-19 and Influenza

NCT05160636
View directory record Official record
Conditions
COVID-19, Coronavirus Disease 2019, Influenza
Interventions
COVID-19 Vaccine
Biological
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
999 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 31, 2026 · Synced Sep 30, 2026, 2:14 AM EDT
Completed No phase listed Observational

Pharmacokinetics of Oseltamivir in Newborns and Infants

NCT01388439
View directory record Official record
Conditions
Prematurity of Fetus
Interventions
Oseltamivir
Drug
Lead sponsor
St. Louis Children's Hospital
Other
Eligibility
Up to 6 Months
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jul 6, 2011 · Synced Sep 30, 2026, 2:14 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Effects of Age on Response to the 2009 H1N1 Virus Vaccine

NCT01055184
View directory record Official record
Conditions
2009 H1N1 Influenza Virus
Interventions
2009 H1N1 Virus Vaccine
Biological
Lead sponsor
University of Rochester
Other
Eligibility
60 Years and older
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2010
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated May 30, 2016 · Synced Sep 30, 2026, 2:14 AM EDT
Completed Not applicable Interventional

Impact of Information Prescriptions on Medication Adherence in Emergency Department (ED) Patients

NCT01174706
View directory record Official record
Conditions
Patient Compliance, Medication Adherence, Medication Non-Adherence
Interventions
Information prescriptions
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
3,940 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
3
States / cities
Baltimore, Maryland • Columbia, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 21, 2018 · Synced Sep 30, 2026, 2:14 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Protecting Pregnant Women From Infectious Diseases

NCT01761799
View directory record Official record
Conditions
Influenza, Pertussis
Interventions
P3 Vaccine Promotion Package.
Behavioral
Lead sponsor
Emory University
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
330 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
11
States / cities
Athens, Georgia • Atlanta, Georgia • Bogart, Georgia + 6 more
Source: ClinicalTrials.gov public record
Updated Nov 2, 2015 · Synced Sep 30, 2026, 2:14 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Infectivity of Norovirus in Groundwater-Human Challenge Study

NCT00313404
View directory record Official record
Conditions
Healthy
Interventions
Safety tested norovirus inoculum
Biological
Lead sponsor
Emory University
Other
Eligibility
18 Years to 50 Years
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2011
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Nov 19, 2013 · Synced Sep 30, 2026, 2:14 AM EDT
Withdrawn Phase 1Phase 2 Interventional Accepts healthy volunteers

MAS-1 Adjuvanted Compared to Unadjuvanted Influenza Vaccines in the Elderly

NCT01623232
View directory record Official record
Conditions
Influenza Vaccines, Aged
Interventions
MAS-1 adjuvant and influenza HA antigen, standard dose, inactivated trivalent influenza vaccine (TIV)
Biological
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
65 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
4
States / cities
Palo Alto, California • Iowa City, Iowa • Minneapolis, Minnesota + 1 more
Source: ClinicalTrials.gov public record
Updated Sep 26, 2012 · Synced Sep 30, 2026, 2:14 AM EDT
Terminated Phase 1 Interventional

Response to Influenza Vaccine in Patients With Non-Hematologic Malignancies Receiving Chemotherapy

NCT01695733
View directory record Official record
Conditions
Neoplasms
Interventions
trivalent influenza vaccine
Biological
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Aug 31, 2018 · Synced Sep 30, 2026, 2:14 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Comparison of the Immunogenicity, Safety and Reactogenicity of FluBlok, To a Licensed Vaccine In Elderly Adults

NCT00395174
View directory record Official record
Conditions
Influenza
Interventions
Influenza Vaccination
Biological
Lead sponsor
Protein Sciences Corporation
Industry
Eligibility
65 Years and older
Enrollment
870 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
7
States / cities
Baltimore, Maryland • Rochester, Minnesota • Shrewsbury, New Jersey + 3 more
Source: ClinicalTrials.gov public record
Updated Dec 17, 2009 · Synced Sep 30, 2026, 2:14 AM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers Results available

Assess the Safety and Immunogenicity of One or Two Doses of Sing2016 M2SR H3N2 Influenza Vaccine

NCT04960397
View directory record Official record
Conditions
H3N2 Influenza
Interventions
Placebo, Sing2016 M2SR H3N2
Other · Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
6 Months to 17 Years
Enrollment
140 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
4
States / cities
Iowa City, Iowa • Baltimore, Maryland • Durham, North Carolina + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 3, 2025 · Synced Sep 30, 2026, 2:14 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Immunogenicity Trial of Egg- Versus Non-Egg-Based Influenza Vaccines Among HCP

NCT03722589
View directory record Official record
Conditions
Influenza
Interventions
Flublok, Flucelvax, Fluarix, Fluzone, Fluzone High-Dose
Biological
Lead sponsor
Centers for Disease Control and Prevention
Federal
Eligibility
18 Years to 65 Years
Enrollment
944 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
2
States / cities
Portland, Oregon • Temple, Texas
Source: ClinicalTrials.gov public record
Updated Jul 22, 2024 · Synced Sep 30, 2026, 2:14 AM EDT
Completed No phase listed Observational

Trivalent Influenza Vaccine in Preventing Flu in Patients With Central Nervous System Tumors

NCT01474174
View directory record Official record
Conditions
Central Nervous System Neoplasm
Interventions
trivalent influenza vaccine, laboratory biomarker analysis
Biological · Other
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 3, 2018 · Synced Sep 30, 2026, 2:14 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

H5N1 Vaccine Intramuscular Versus Intradermal in Healthy Adults

NCT00310206
View directory record Official record
Conditions
Influenza
Interventions
Inactivated Influenza A Vaccine A/H5N1
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 40 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2006
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 3, 2013 · Synced Sep 30, 2026, 2:14 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Safety and Immunogenicity of a Live Attenuated H7N9 Influenza Virus Vaccine in Healthy Adults

NCT01995695
View directory record Official record
Conditions
Influenza A Virus, H7N9 Subtype
Interventions
Live attenuated H7N9 A/Anhui/13 ca influenza virus vaccine, Inactivated subvirion H7N9 influenza vaccine
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 49 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2013
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Jul 27, 2016 · Synced Sep 30, 2026, 2:14 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

The Effects of Attenuated Versus Inactivated Flu Vaccine in Twin Sets

NCT03898986
View directory record Official record
Conditions
Influenza
Interventions
Live attenuated influenza vaccine (LAIV4), Inactivated Influenza Vaccine (IIV4)
Biological
Lead sponsor
Stanford University
Other
Eligibility
2 Years to 20 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Mar 6, 2025 · Synced Sep 30, 2026, 2:14 AM EDT
Completed Phase 1Phase 2 Interventional Results available

TCAD vs. Monotherapy for Influenza A in Immunocompromised Patients

NCT00867139
View directory record Official record
Conditions
Influenza
Interventions
TCAD, Zanamivir or Oseltamivir, Open label treatment with TCAD
Drug · Other
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
1 Year and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
2
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Aug 15, 2013 · Synced Sep 30, 2026, 2:14 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Safety of Lactobacillus Rhamnosus GG Vs. Placebo in Elderly Subjects Receiving Trivalent Inactivated Influenza Vaccine

NCT01368029
View directory record Official record
Conditions
Healthy, Elderly
Interventions
Lactobacillus rhamnosus GG ATCC 53103 (LGG), Placebo
Biological
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
65 Years to 80 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 11, 2017 · Synced Sep 30, 2026, 2:14 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Testing Multiple Behavioral Science Strategies to Increase Flu-Shot Rates

NCT04565353
View directory record Official record
Conditions
Influenza, Human
Interventions
Flu shot text messages
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
74,811 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
2
States / cities
Danville, Pennsylvania • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 1, 2022 · Synced Sep 30, 2026, 2:14 AM EDT
Completed Not applicable Interventional

Influenza Vaccine Randomized Educational Trial: Adult

NCT02907645
View directory record Official record
Conditions
Vaccination, Influenza
Interventions
Local educational information, National educational information
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older · Male only
Enrollment
222 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 27, 2017 · Synced Sep 30, 2026, 2:14 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

A Study to Evaluate the Safety and Immunogenicity of GlaxoSmithKline Biologicals' Influenza Vaccine GSK3206641A Administered in Adults 18 to 64 Years of Age and 65 Years of Age and Older

NCT04789577
View directory record Official record
Conditions
Influenza, Human
Interventions
FLU-Q-PAN H7N9 Formulation 1, FLU-Q-PAN H7N9 Formulation 2, FLU-Q-PAN H7N9 Formulation 3, AS03B, AS03A, Placebo
Biological · Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older
Enrollment
833 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
8
States / cities
Stockbridge, Georgia • Meridian, Idaho • Cary, North Carolina + 5 more
Source: ClinicalTrials.gov public record
Updated Oct 10, 2023 · Synced Sep 30, 2026, 2:14 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

A Clinical Study to Evaluate the Immunogenicity and Safety of an Adjuvanted Quadrivalent Influenza Vaccine Compared With a Licensed Quadrivalent Vaccine in Adults 50 to 64 Years of Age

NCT05044195
View directory record Official record
Conditions
Influenza, Human
Interventions
aQIV, Comparator QIV
Biological
Lead sponsor
Seqirus
Industry
Eligibility
50 Years to 64 Years
Enrollment
2,044 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
12
States / cities
Mobile, Alabama • Tempe, Arizona • Atlantis, Florida + 9 more
Source: ClinicalTrials.gov public record
Updated Sep 28, 2023 · Synced Sep 30, 2026, 2:14 AM EDT
Completed Phase 3 Interventional Results available

A Study of Intravenously Administered Tamiflu (Oseltamivir) in Patients Over 13 Years of Age With Influenza

NCT01050257
View directory record Official record
Conditions
Influenza
Interventions
Oseltamivir IV, Oseltamivir Oral
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
13 Years and older
Enrollment
118 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
56
States / cities
Birmingham, Alabama • Montgomery, Alabama • Phoenix, Arizona + 47 more
Source: ClinicalTrials.gov public record
Updated Nov 1, 2013 · Synced Sep 30, 2026, 2:14 AM EDT