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 28, 2026, 11:03 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 1,159 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Influenza Vaccine Clear all
Withdrawn Phase 3 Interventional

A Study to Evaluate the Efficacy and Safety of Intravenous Peramivir in Subjects With Uncomplicated Influenza.

NCT01224795
View directory record Official record
Conditions
Influenza
Interventions
Peramivir, Placebo Comparator
Drug
Lead sponsor
BioCryst Pharmaceuticals
Industry
Eligibility
12 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010
U.S. locations
96
States / cities
Birmingham, Alabama • Hot Springs, Arkansas • Jonesboro, Arkansas + 93 more
Source: ClinicalTrials.gov public record
Updated Jun 10, 2026 · Synced Oct 28, 2026, 11:03 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Evaluation of the Safety and Immunogenicity of a Recombinant Trivalent Nanoparticle Influenza Vaccine With Matrix M-1 Adjuvant (NanoFlu)

NCT03293498
View directory record Official record
Conditions
Influenza
Interventions
NanoFlu, Fluzone HD - Day 0, Fluzone HD - Day 21, Saline - Day 21
Biological · Other
Lead sponsor
Novavax
Industry
Eligibility
60 Years and older
Enrollment
330 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
3
States / cities
Raleigh, North Carolina • Rocky Mount, North Carolina • Statesville, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 21, 2022 · Synced Oct 28, 2026, 11:03 PM EDT
Completed Phase 2 Interventional Results available

A Phase II, Multicenter, Randomized, Placebo -Controlled, Study To Evaluate The Efficacy and Safety Of Intramuscular Peramivir 600 mg In Subjects With Uncomplicated Acute Influenza

NCT00705406
View directory record Official record
Conditions
Acute, Uncomplicated Human Influenza
Interventions
Peramivir, Placebo
Drug
Lead sponsor
BioCryst Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
405 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
67
States / cities
Birmingham, Alabama • Phoenix, Arizona • Jonesboro, Arkansas + 58 more
Source: ClinicalTrials.gov public record
Updated Feb 16, 2015 · Synced Oct 28, 2026, 11:03 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Influenza Vaccine in Lung Transplant Patients - Persistence of Antibodies

NCT04531787
View directory record Official record
Conditions
Influenza
Interventions
Influenza vaccine
Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
139 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 28, 2026, 11:03 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Community-engaged Optimization of COVID-19 Rapid Evaluation And TEsting Experiences

NCT05894655
View directory record Official record
Conditions
COVID-19, COVID-19 Pandemic
Interventions
COVID-19 walk-up, on-site testing strategy, Community Health Worker (CHW) leading testing navigation and general preventive care reminders, No-cost self-testing kit vending machines
Behavioral
Lead sponsor
University of California, San Diego
Other
Eligibility
Not listed
Enrollment
6,527 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
San Ysidro, California
Source: ClinicalTrials.gov public record
Updated Nov 4, 2025 · Synced Oct 28, 2026, 11:03 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Acceptability of Fluzone Intradermal Vaccine to Patients and Vaccine Administrators

NCT01716130
View directory record Official record
Conditions
Patient Response to Fluzone ID Vaccine
Interventions
Not listed
Lead sponsor
Touro University, California
Other
Eligibility
18 Years to 64 Years
Enrollment
249 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
Vallejo, California
Source: ClinicalTrials.gov public record
Updated Oct 29, 2012 · Synced Oct 28, 2026, 11:03 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

B-cell Immunity to Influenza (SLVP017)- Year 1, 2009

NCT02133781
View directory record Official record
Conditions
Influenza
Interventions
Fluzone® 2009-2010 Formula, FluMist® 2009-2010 Formula
Biological
Lead sponsor
Stanford University
Other
Eligibility
8 Years to 100 Years
Enrollment
51 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Jun 6, 2018 · Synced Oct 28, 2026, 11:03 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Sanofi Pasteur Quadrivalent Intradermal Influenza Vaccine Pregnancy Registry

NCT02554409
View directory record Official record
Conditions
Pregnancy, Influenza
Interventions
Quadrivalent Intradermal Influenza Vaccine (QIV)
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
18 Years and older · Female only
Enrollment
87 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2019
U.S. locations
5
States / cities
San Diego, California • Miami, Florida • Albany, New York + 2 more
Source: ClinicalTrials.gov public record
Updated Feb 12, 2020 · Synced Oct 28, 2026, 11:03 PM EDT
Completed Phase 2 Interventional Results available

High Dose Flu Vaccine in Treating Children Who Have Undergone Donor Stem Cell Transplant

NCT02860039
View directory record Official record
Conditions
Hematopoietic Cell Transplantation Recipient, Malignant Neoplasm, Influenza
Interventions
Trivalent Influenza Vaccine, Quadrivalent Influenza Vaccine, Laboratory Biomarker Analysis
Biological · Other
Lead sponsor
Vanderbilt-Ingram Cancer Center
Other
Eligibility
3 Years to 17 Years
Enrollment
170 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2024
U.S. locations
9
States / cities
San Francisco, California • Kansas City, Missouri • Cincinnati, Ohio + 6 more
Source: ClinicalTrials.gov public record
Updated Oct 22, 2024 · Synced Oct 28, 2026, 11:03 PM EDT
Completed Not applicable Interventional Results available

A Digital Flu Intervention for People With Cardiovascular Conditions

NCT04584645
View directory record Official record
Conditions
Cardiovascular Diseases, Atrial Fibrillation, Abnormal Heart Rhythms, Cardiac Arrest, Heart Attack, Myocardial Infarction, Coronary Heart Disease, Heart Failure, Stroke, Cerebrovascular Accident
Interventions
Targeted digital intervention
Other
Lead sponsor
Evidation Health
Industry
Eligibility
18 Years and older
Enrollment
49,138 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
San Mateo, California
Source: ClinicalTrials.gov public record
Updated Jun 21, 2022 · Synced Oct 28, 2026, 11:03 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Study of Fluzone® Influenza Virus Vaccine 2011-2012 Formulation (Intramuscular Route) Among Adults

NCT01430819
View directory record Official record
Conditions
Influenza
Interventions
Influenza Virus Vaccine: Fluzone® 2011-2012 Formulation, Influenza Virus Vaccine: Fluzone® High-Dose 2011-2012 Formulation
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
65 Years and older
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
6
States / cities
Colorado Springs, Colorado • Council Buffs, Iowa • Metairie, Louisiana + 3 more
Source: ClinicalTrials.gov public record
Updated May 27, 2013 · Synced Oct 28, 2026, 11:03 PM EDT
Recruiting Phase 2 Interventional

Reduced Intensity Haploidentical BMT for High Risk Solid Tumors

NCT01804634
View directory record Official record
Conditions
Refractory and/or Relapsed Metastatic Solid Tumors
Interventions
Cyclophosphamide, Fludarabine, low dose total body irradiation, Melphalan, Tacrolimus
Drug · Radiation
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
1 Year to 50 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2030
U.S. locations
3
States / cities
Baltimore, Maryland • The Bronx, New York • Valhalla, New York
Source: ClinicalTrials.gov public record
Updated Mar 13, 2026 · Synced Oct 28, 2026, 11:03 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Safety, Reactogenicity and Immunogenicity of Flublok Quadrivalent (Recombinant Influenza Vaccine,Seasonal Formulation)

NCT01959945
View directory record Official record
Conditions
Influenza
Interventions
Flublok® Quadrivalent Influenza Virus Vaccine, Fluarix Quadrivalent® Influenza Virus Vaccine
Biological
Lead sponsor
Protein Sciences Corporation
Industry
Eligibility
6 Years to 17 Years
Enrollment
219 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Auburn, Maine
Source: ClinicalTrials.gov public record
Updated Sep 23, 2016 · Synced Oct 28, 2026, 11:03 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Influenza Challenge Study to Determine the Optimal Infection Dose and Safety of a Recombinant H3N2 (A/Texas/71/2017 (H3N2, Clade 3C3a) Influenza Strain

NCT04978454
View directory record Official record
Conditions
Influenza
Interventions
Influenza RG-A/Texas/71/2017 (H3N2) Challenge, Placebo
Biological · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 45 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
2
States / cities
Baltimore, Maryland • Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 28, 2025 · Synced Oct 28, 2026, 11:03 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Clinical Study to Evaluate the Safety, Immunogenicity and Efficacy of Investigational Flu Vaccine Compared to Approved Flu Vaccine in Children.

NCT01964989
View directory record Official record
Conditions
Influenza Virus
Interventions
Adjuvanted Quadrivalent Subunit Influenza Virus Vaccine (aQIV), Non-adjuvanted Trivalent Influenza Vaccine (TIV) / Quadrivalent Influenza Vaccine (QIV)
Biological
Lead sponsor
Seqirus
Industry
Eligibility
6 Months to 71 Months
Enrollment
10,644 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
91
States / cities
Chandler, Arizona • Harrisburg, Arkansas • Anaheim, California + 70 more
Source: ClinicalTrials.gov public record
Updated Mar 27, 2023 · Synced Oct 28, 2026, 11:03 PM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

SCIVAX: Biomarkers of Immune Dysfunction and Vaccine Responsiveness in Chronic SCI

NCT05869968
View directory record Official record
Conditions
Spinal Cord Injuries, Traumatic Spinal Cord Injury, Healthy Controls, Flu Vaccine, COVID-19 Vaccine
Interventions
Not listed
Lead sponsor
Northwell Health
Other
Eligibility
18 Years to 89 Years
Enrollment
140 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Manhasset, New York
Source: ClinicalTrials.gov public record
Updated Apr 3, 2026 · Synced Oct 28, 2026, 11:03 PM EDT
Recruiting Phase 3 Interventional Accepts healthy volunteers

A Study to Evaluate the Immune Response and Safety of a Vaccine Against Influenza in Adults 18-64 Years of Age

NCT07851246
View directory record Official record
Conditions
Influenza, Human
Interventions
mRNA Seasonal Flu vaccine, Comparator 1, Comparator 2
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 64 Years
Enrollment
3,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
12
States / cities
Glendale, Arizona • Tucson, Arizona • San Diego, California + 9 more
Source: ClinicalTrials.gov public record
Updated Oct 9, 2026 · Synced Oct 28, 2026, 11:03 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Single Dose Texas 2017 (H3N2) Challenge Study

NCT06476275
View directory record Official record
Conditions
Influenza Viral Infections
Interventions
Influenza A/Texas/71/2017 (H3N2), Sham placebo
Biological
Lead sponsor
Duke University
Other
Eligibility
18 Years to 46 Years
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 26, 2025 · Synced Oct 28, 2026, 11:03 PM EDT
Completed Not applicable Interventional Results available

Patient Portal Flu Vaccine Reminders (5)

NCT05525494
View directory record Official record
Conditions
Influenza, Respiratory Tract Infections
Interventions
Text Fixed R/R Messages with Direct Appointment Schedule Link, Text Pre-Appointment Reminder, Portal Pre-Commitment Prompt with Tailored R/R Messages with Direct Appointment Schedule Link, Portal Fixed R/R Messages with Direct Appointment Schedule Link, Portal Pre-Appointment Reminder
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
6 Months and older
Enrollment
262,085 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Aug 7, 2024 · Synced Oct 28, 2026, 11:03 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study To Learn About The Study Vaccine (Called Self-Amplifying Ribonucleic Acid (RNA)) For The Prevention of Influenza

NCT05227001
View directory record Official record
Conditions
Influenza, Human
Interventions
PF-07852352 Influenza saRNA 1, PF-07836391 Influenza saRNA, PF-07836394 Influenza saRNA, PF-07836395 Influenza saRNA, PF-07836396 Influenza saRNA, PF-07867246 Influenza saRNA, Placebo, Quadrivalent influenza vaccine (QIV), PF-07871987 Influenza saRNA, PF-07914705 Influenza saRNA, PF-07915048 Influenza saRNA
Biological
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 49 Years
Enrollment
440 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
24
States / cities
Phoenix, Arizona • Walnut Creek, California • Greenacres City, Florida + 13 more
Source: ClinicalTrials.gov public record
Updated Mar 20, 2026 · Synced Oct 28, 2026, 11:03 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study of Recombinant Influenza Vaccine Containing Different H3 Antigens Without or With Adjuvant in Healthy Adult Subjects

NCT04451954
View directory record Official record
Conditions
Influenza Immunisation, Healthy Volunteers
Interventions
Quadrivalent RIV with H3 strain 1, Quadrivalent RIV with H3 strain 1 and adjuvant, Quadrivalent RIV with H3 strain 2, Quadrivalent RIV with H3 strain 2 and adjuvant, Quadrivalent RIV with 2018-2019 NH H3 strain, Quadrivalent RIV with 2018-2019 NH H3 strain and adjuvant
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
18 Years and older
Enrollment
210 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
5
States / cities
San Diego, California • Melbourne, Florida • Orlando, Florida + 2 more
Source: ClinicalTrials.gov public record
Updated Sep 17, 2025 · Synced Oct 28, 2026, 11:03 PM EDT
Not yet recruiting Phase 4 Interventional Accepts healthy volunteers

Intranasal LAIV Mucosal Immunity Examination

NCT07093281
View directory record Official record
Conditions
Impact of Vaccination
Interventions
Live Attenuated Influenza Vaccine
Biological
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
2 Years to 89 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2027 – 2029
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 3, 2026 · Synced Oct 28, 2026, 11:03 PM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

Influenza Human Challenge Model

NCT05332899
View directory record Official record
Conditions
Influenza
Interventions
Influenza Virus Type A H3N2 Challenge
Biological
Lead sponsor
Emory University
Other
Eligibility
18 Years to 49 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2027
U.S. locations
2
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Mar 27, 2026 · Synced Oct 28, 2026, 11:03 PM EDT
Terminated Phase 4 Interventional Results available

Test-and-treat for Influenza in Homeless Shelters

NCT04141917
View directory record Official record
Conditions
Influenza, Respiratory Viral Infection
Interventions
Point-of-care molecular testing and treatment of influenza
Combination Product
Lead sponsor
University of Washington
Other
Eligibility
3 Months and older
Enrollment
1,618 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
9
States / cities
Burien, Washington • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jun 22, 2022 · Synced Oct 28, 2026, 11:03 PM EDT