Independent directory Public ClinicalTrials.gov records United States
Clinical Trials Finder
Objective public record navigation
Search Results

Search by objective public record fields.

Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results come from ClinicalTrials.gov. When the live registry is unavailable, a clearly labeled stored copy may be shown.

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 3, 2026, 9:51 PM EDT

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

Showing 1–24 of 1,034 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Influenza Disease; Flu Clear all
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Post-Partum Immunization With Live Attenuated Influenza Vaccine (LAIV) or Trivalent Influenza Vaccine (TIV) in Post-Partum Breast Feeding Women

NCT01181323
View directory record Official record
Conditions
Influenza
Interventions
Placebo, Cold-adapted live attenuated influenza virus vaccine, trivalent, Trivalent inactivated influenza vaccine
Other · Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 49 Years · Female only
Enrollment
240 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2013
U.S. locations
6
States / cities
Washington D.C., District of Columbia • Atlanta, Georgia • St Louis, Missouri + 3 more
Source: ClinicalTrials.gov public record
Updated Jan 28, 2015 · Synced Oct 3, 2026, 9:51 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

A Study to Evaluate the Shedding and Safety of Trivalent Influenza Virus Vaccine Live, Intranasal in Infants and Young Children

NCT00344305
View directory record Official record
Conditions
Healthy
Interventions
Trivalent influenza virus vaccine live, intranasal
Biological
Lead sponsor
MedImmune LLC
Industry
Eligibility
6 Months to 59 Months
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006
U.S. locations
16
States / cities
Little Rock, Arkansas • Marietta, Georgia • Bardstown, Kentucky + 13 more
Source: ClinicalTrials.gov public record
Updated Jul 24, 2017 · Synced Oct 3, 2026, 9:51 PM EDT
Enrolling by invitation No phase listed Observational Accepts healthy volunteers

Long-term Observation of Hemagglutinin and Neuraminidase Inhibition Antibody Titers After Influenza Challenge

NCT02511002
View directory record Official record
Conditions
Post Influenza
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 120 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2027
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 22, 2026 · Synced Oct 3, 2026, 9:51 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Dime La VerDAD: Verify, Debunk, and Disseminate

NCT06417762
View directory record Official record
Conditions
Influenza, COVID-19, Communication Research, Health Behavior, Respiratory Viral Infection
Interventions
Science Communication Curriculum Cohort 1, Science communication curriculum Cohort 2, Science communication curriculum Cohort 3, Science communication curriculum Cohort 4
Behavioral
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 99 Years
Enrollment
1,400 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2029
U.S. locations
4
States / cities
Chicago, Illinois • Iowa City, Iowa • Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Aug 26, 2026 · Synced Oct 3, 2026, 9:51 PM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Longitudinal At Home Smell Testing to Detect Infection by SARS-CoV-2

NCT05040659
View directory record Official record
Conditions
Anosmia, Asymptomatic COVID-19, COVID-19 Respiratory Infection, Influenza, Healthy, PASC Post Acute Sequelae of COVID 19
Interventions
AROMHA Longitudinal Smell Test
Device
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 100 Years
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 6, 2026 · Synced Oct 3, 2026, 9:51 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Booster Trial to 07-0019 With A/Anhui/05 With and Without MF59

NCT00912496
View directory record Official record
Conditions
Influenza
Interventions
MF-59, A/Anhui/05, Placebo
Biological · Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 49 Years
Enrollment
637 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
10
States / cities
Atlanta, Georgia • Iowa City, Iowa • Baltimore, Maryland + 6 more
Source: ClinicalTrials.gov public record
Updated May 14, 2013 · Synced Oct 3, 2026, 9:51 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Study of Immune Responses to Influenza Vaccination

NCT03346772
View directory record Official record
Conditions
Influenza Vaccination
Interventions
Influenza vaccination
Biological
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2026
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 27, 2026 · Synced Oct 3, 2026, 9:51 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

A Study to Investigate the Safety and Immunogenicity of the Quadrivalent Influenza mRNA Vaccines in Adults Aged 18 Years and Above

NCT06361875
View directory record Official record
Conditions
Influenza Immunization, Healthy Volunteers
Interventions
Quadrivalent Influenza mRNA Vaccine MRT5421, Quadrivalent Influenza mRNA Vaccine MRT5424, Quadrivalent Influenza mRNA Vaccine MRT5429, Quadrivalent Influenza Standard Dose Vaccine, Quadrivalent Influenza High-Dose Vaccine, Quadrivalent Recombinant Influenza Vaccine
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
18 Years and older
Enrollment
908 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
11
States / cities
San Diego, California • Hialeah, Florida • Hollywood, Florida + 8 more
Source: ClinicalTrials.gov public record
Updated Aug 4, 2026 · Synced Oct 3, 2026, 9:51 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

A Study to Evaluate the Safety, Tolerability, and Immunogenicity of V116 When Administered Concomitantly With Influenza Vaccine in Adults 50 Years of Age or Older (V116-005, STRIDE-5)

NCT05526716
View directory record Official record
Conditions
Pneumonia, Pneumococcal
Interventions
V116, QIV, Matching Placebo for V116
Biological
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
50 Years and older
Enrollment
1,080 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
56
States / cities
Phoenix, Arizona • Canoga Park, California • La Mesa, California + 46 more
Source: ClinicalTrials.gov public record
Updated Oct 29, 2025 · Synced Oct 3, 2026, 9:51 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Evaluate the Safety and Immunogenicity of a Seasonal Influenza VLP Vaccine (Recombinant) in Healthy Adults

NCT00754455
View directory record Official record
Conditions
Influenza
Interventions
Influenza VLP Vaccine (recombinant), Placebo
Biological
Lead sponsor
Novavax
Industry
Eligibility
18 Years to 49 Years
Enrollment
317 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
4
States / cities
Pembroke Pines, Florida • Kansas City, Missouri • Warwick, Rhode Island + 1 more
Source: ClinicalTrials.gov public record
Updated Jul 18, 2013 · Synced Oct 3, 2026, 9:51 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Influenza Vaccine in Preventing Flu in Patients Who Have Undergone Stem Cell Transplant and in Healthy Volunteers

NCT00952185
View directory record Official record
Conditions
Brain and Central Nervous System Tumors, Chronic Myeloproliferative Disorders, Leukemia, Lymphoma, Lymphoproliferative Disorder, Multiple Myeloma and Plasma Cell Neoplasm, Myelodysplastic Syndromes, Myelodysplastic/Myeloproliferative Neoplasms, Nonmalignant Neoplasm, Viral Infection
Interventions
cytology specimen collection procedure, fluorescent antibody technique, assessment of therapy complications
Other · Procedure
Lead sponsor
City of Hope Medical Center
Other
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
1
States / cities
Duarte, California
Source: ClinicalTrials.gov public record
Updated Jun 8, 2015 · Synced Oct 3, 2026, 9:51 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Open-Label Study of H5 Vaccine in Participants of Protocol 04-077

NCT00402649
View directory record Official record
Conditions
Influenza
Interventions
Inactivated Influenza A/H5N1 Vaccine (sanofi pasteur)
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
2 Years to 10 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007
U.S. locations
3
States / cities
Torrance, California • Baltimore, Maryland • St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jun 13, 2011 · Synced Oct 3, 2026, 9:51 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Bacterial Composition and Immune Responses in the Nose and Oropharynx During Influenza Infection

NCT02597647
View directory record Official record
Conditions
Influenza
Interventions
LAIV, Saline
Biological · Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 64 Years
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2014
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jan 22, 2026 · Synced Oct 3, 2026, 9:51 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

H7N9 Mix and Match With MF59 in Healthy Elderly Persons

NCT02213354
View directory record Official record
Conditions
Avian Influenza
Interventions
MF59, Influenza Virus Vaccine, Monovalent A/H7N9 A/Shanghai/2/2013
Drug · Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
65 Years to 99 Years
Enrollment
479 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
10
States / cities
Decatur, Georgia • Iowa City, Iowa • Baltimore, Maryland + 7 more
Source: ClinicalTrials.gov public record
Updated Jul 6, 2017 · Synced Oct 3, 2026, 9:51 PM EDT
Completed No phase listed Observational

Influenza Vaccine in HIV Infection: Immune Response and Effect on Viral Load

NCT00025922
View directory record Official record
Conditions
HIV Infection
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
Not listed
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2003
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 4, 2008 · Synced Oct 3, 2026, 9:51 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

A Study to Evaluate the Safety and Immune Response of mRNA-1345, a Vaccine Targeting Respiratory Syncytial Virus (RSV), When Co-administered With a Fluzone HD, in Adults ≥65 Years of Age

NCT06060457
View directory record Official record
Conditions
Respiratory Syncytial Virus
Interventions
Placebo, mRNA-1345, Fluzone HD
Biological
Lead sponsor
ModernaTX, Inc.
Industry
Eligibility
65 Years and older
Enrollment
1,900 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
34
States / cities
Scottsdale, Arizona • Dublin, California • Riverside, California + 29 more
Source: ClinicalTrials.gov public record
Updated Jul 30, 2025 · Synced Oct 3, 2026, 9:51 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Safety of and Immune Response to a Bird Flu Virus Vaccine (H5N1) in Healthy Adults

NCT00347672
View directory record Official record
Conditions
Influenza, Virus Diseases
Interventions
H5N1 (6-2) AA ca Recombinant (A/VietNam/1203/2004 x A/AnnArbor/6/60/ca)
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 49 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 21, 2008 · Synced Oct 3, 2026, 9:51 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

A Study of Different Formulations of an A/H1N1 Pandemic Vaccine in Healthy Adults and the Elderly

NCT00953524
View directory record Official record
Conditions
Influenza, Swine-origin A/H1N1 Influenza
Interventions
Monovalent Subvirion A/H1N1 Influenza vaccine (7.5 µg of HA), Monovalent Subvirion A/H1N1 Influenza vaccine (15 µg of HA), Monovalent Subvirion A/H1N1 Influenza vaccine (30 µg of HA), Normal saline solution (placebo)
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
18 Years and older
Enrollment
849 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
15
States / cities
Hoover, Alabama • Chandler, Arizona • Phoenix, Arizona + 12 more
Source: ClinicalTrials.gov public record
Updated Mar 10, 2014 · Synced Oct 3, 2026, 9:51 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Monovalent H5N1 Vaccine GSK1557484A in Children 6 Months to < 18 Years of Age

NCT01310413
View directory record Official record
Conditions
Influenza, Influenza Vaccines
Interventions
Influenza A (H5N1) Virus monovalent vaccine, Saline placebo
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
6 Months to 17 Years
Enrollment
842 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2014
U.S. locations
11
States / cities
Paramount, California • Sacramento, California • Newton, Kansas + 8 more
Source: ClinicalTrials.gov public record
Updated Nov 1, 2021 · Synced Oct 3, 2026, 9:51 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Cell-Mediated Immune Responses to Influenza A/H5N1 Vaccine

NCT00311727
View directory record Official record
Conditions
Influenza
Interventions
Influenza A/H5N1
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
339 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2006
U.S. locations
3
States / cities
Baltimore, Maryland • Rochester, New York • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Aug 16, 2013 · Synced Oct 3, 2026, 9:51 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Characterizing Late-season Influenza Vaccine Responses to Compare the 2023 and 2024 Vaccine Formulations

NCT06567860
View directory record Official record
Conditions
Influenza A
Interventions
Influenza Fluzone vaccine
Biological
Lead sponsor
La Jolla Institute for Immunology
Other
Eligibility
18 Years to 64 Years
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Feb 12, 2026 · Synced Oct 3, 2026, 9:51 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Cranberry Supplementation, Viral Defense, Antibody Response to the Flu Shot

NCT04597554
View directory record Official record
Conditions
Nutrition Immunology
Interventions
Cranberry, Placebo
Dietary Supplement
Lead sponsor
Appalachian State University
Other
Eligibility
40 Years to 80 Years
Enrollment
84 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Kannapolis, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 21, 2022 · Synced Oct 3, 2026, 9:51 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Self-Administered Nasal Influenza Feasibility Study

NCT01933048
View directory record Official record
Conditions
Influenza
Interventions
FluMist
Drug
Lead sponsor
Henry M. Jackson Foundation for the Advancement of Military Medicine
Other
Eligibility
18 Years to 49 Years
Enrollment
1,077 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
2
States / cities
San Diego, California • Fort Sam Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 15, 2023 · Synced Oct 3, 2026, 9:51 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Clinical Study of the Immunogenicity of GSK Biologicals' Influenza Vaccine GSK2186877A in People Aged 65 Years or Older

NCT00765076
View directory record Official record
Conditions
Influenza
Interventions
GSK Biologicals' influenza vaccine GSK2186877A, GSK Biologicals' Fluarix
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older
Enrollment
192 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 31, 2018 · Synced Oct 3, 2026, 9:51 PM EDT