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ClinicalTrials.gov public records Last synced Oct 15, 2026, 7:57 AM EDT

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Showing 529–552 of 1,157 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Influenza vaccine Clear all
Completed No phase listed Observational

Evaluation of Viral Shedding Patterns and Clinical Outcomes of Influenza Patients

NCT01839760
View directory record Official record
Conditions
Influenza
Interventions
Not listed
Lead sponsor
Crucell Holland BV
Industry
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 22, 2014 · Synced Oct 15, 2026, 7:57 AM EDT
Recruiting No phase listed Observational

Umbilical Cord Blood Transplantation From Unrelated Donors

NCT03016806
View directory record Official record
Conditions
Acute Leukemia, Immune Deficiency Disorder, Congenital Hematological Disorder, Metabolism Disorder, Aplastic Anemia, Myelodysplastic Syndromes, Chronic Leukemia, Lymphoma, Multiple Myeloma, Solid Tumor
Interventions
Total Body Irradiation 1200 cGy, Total Body Irradiation 200 cGy, Cyclophosphamide, Mesna, Cord Blood Infusion, Busulfan, Fludarabine, Melphalan
Radiation · Drug · Procedure
Lead sponsor
University of Rochester
Other
Eligibility
2 Months to 75 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2027
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Oct 10, 2025 · Synced Oct 15, 2026, 7:57 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Evaluate the Safety and Immunogenicity of Two Doses of a Novel H5 Central Antigen mRNA-LNP in Healthy Adults

NCT07019883
View directory record Official record
Conditions
Avian Influenza
Interventions
H5 AC-Anhui RNA Vaccine, H5 Astrakhan RNA Vaccine, Sodium Chloride, 0.9%
Biological · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 49 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
3
States / cities
Durham, North Carolina • Nashville, Tennessee • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 12, 2026 · Synced Oct 15, 2026, 7:57 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A Study to Evaluate the Safety and Immunogenicity of MEDI7510 in Older Adults

NCT02289820
View directory record Official record
Conditions
Respiratory Syncytial Virus (RSV)
Interventions
MEDI7510, IIV
Biological
Lead sponsor
MedImmune LLC
Industry
Eligibility
60 Years to 99 Years
Enrollment
363 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
5
States / cities
Orlando, Florida • South Miami, Florida • Kansas City, Missouri + 2 more
Source: ClinicalTrials.gov public record
Updated Mar 15, 2018 · Synced Oct 15, 2026, 7:57 AM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Vaccination Response in Individual Monozygotic Twins

NCT02296359
View directory record Official record
Conditions
Individuality, Asthma, Immune System and Related Disorders
Interventions
Influenza Vaccination
Biological
Lead sponsor
Michigan State University
Other
Eligibility
18 Years to 80 Years
Enrollment
1 participant
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
East Lansing, Michigan
Source: ClinicalTrials.gov public record
Updated Aug 14, 2015 · Synced Oct 15, 2026, 7:57 AM EDT
Completed Phase 2 Interventional Results available

Statin Therapy in Acute Influenza

NCT02056340
View directory record Official record
Conditions
Influenza
Interventions
Atorvastatin, Placebo
Drug
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years and older
Enrollment
116 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 26, 2019 · Synced Oct 15, 2026, 7:57 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Comparison of Immune Responses to Influenza Vaccine In Adults of Different Ages (SLVP015 2007-2017)

NCT01827462
View directory record Official record
Conditions
Influenza
Interventions
Trivalent, inactivated influenza vaccine (TIV), Quadrivalent, inactivated influenza vaccine (IIV4), High-Dose Trivalent, inactivated influenza vaccine (TIV High-Dose)
Biological
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 100 Years
Enrollment
136 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2017
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Jul 11, 2017 · Synced Oct 15, 2026, 7:57 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Mail Outreach To Increase Vaccination Acceptance Through Engagement

NCT02243774
View directory record Official record
Conditions
Influenza, Human, Influenza, Human Flu
Interventions
Core letter signed by Surgeon General, Core letter signed by the Director of the National Vaccine Program, Core letter signed by Surgeon General + implementation prompt, Core letter signed by SG + enhanced implementation prompt
Behavioral
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
66 Years and older
Enrollment
228,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 12, 2017 · Synced Oct 15, 2026, 7:57 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Study of the Immune Response After Vaccination in Multiple Myeloma Patients

NCT02294487
View directory record Official record
Conditions
Multiple Myeloma, Myeloma, Multiple, Myeloma-Multiple
Interventions
Not listed
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
50 Years and older
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2017
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Oct 3, 2024 · Synced Oct 15, 2026, 7:57 AM EDT
Completed Phase 1Phase 2 Interventional Results available

A Pilot Study of Fludarabine Plus Cyclophosphamide in Refractory Severe Aplastic Anemia

NCT01187017
View directory record Official record
Conditions
Aplastic Anemia, Neutropenia, Pancytopenia, Severe Aplastic Anemia
Interventions
Cyclophosphamide, Fludarabine
Drug
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
2 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 2, 2021 · Synced Oct 15, 2026, 7:57 AM EDT
Completed Phase 3 Interventional Results available

A Study of an Ad26.RSV.preF-based Vaccine and High-dose Seasonal Influenza Vaccine, With and Without Coadministration, in Adults Aged 65 Years and Older

NCT05071313
View directory record Official record
Conditions
Influenza, Human Prevention, Respiratory Syncytial Viruses Prevention
Interventions
Ad26.RSV.preF-based vaccine, Quadrivalent High-dose Influenza Vaccine, Placebo
Biological
Lead sponsor
Janssen Vaccines & Prevention B.V.
Industry
Eligibility
65 Years and older
Enrollment
777 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
19
States / cities
Long Beach, California • Hollywood, Florida • Port Orange, Florida + 14 more
Source: ClinicalTrials.gov public record
Updated May 25, 2025 · Synced Oct 15, 2026, 7:57 AM EDT
Completed Phase 3 Interventional Results available

Study to Evaluate the Potential Effect of Benralizumab on the Humoral Immune Response to the Seasonal Influenza Vaccination in Adolescent and Young Adult Patients With Severe Asthma

NCT02814643
View directory record Official record
Conditions
Asthma
Interventions
Benralizumab, Benralizumab Placebo, Seasonal influenza virus vaccine
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
12 Years to 21 Years
Enrollment
103 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
24
States / cities
Birmingham, Alabama • Mesa, Arizona • Huntington Beach, California + 19 more
Source: ClinicalTrials.gov public record
Updated Oct 24, 2018 · Synced Oct 15, 2026, 7:57 AM EDT
Terminated Phase 1 Interventional

FT538 in Combination With Monoclonal Antibodies in Advanced Solid Tumors

NCT05069935
View directory record Official record
Conditions
Solid Tumor, Adult
Interventions
FT538, Cyclophosphamide, Fludarabine, Monoclonal antibody - Dose Escalation, Monoclonal antibody - Dose Expansion
Drug · Combination Product
Lead sponsor
Fate Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
4
States / cities
Hackensack, New Jersey • Nashville, Tennessee • Houston, Texas + 1 more
Source: ClinicalTrials.gov public record
Updated Sep 21, 2023 · Synced Oct 15, 2026, 7:57 AM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

A/Texas Flu Challenge

NCT06753474
View directory record Official record
Conditions
Influenza
Interventions
Influenza Virus influenza A H3N2 strain
Biological
Lead sponsor
Emory University
Other
Eligibility
18 Years to 49 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
2
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Mar 3, 2026 · Synced Oct 15, 2026, 7:57 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Immunogenicity, Safety and Tolerability of a Plant-Derived Seasonal Virus-Like-Particle Quadrivalent Influenza Vaccine in Adults

NCT02233816
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Nov 13, 2019 · Synced Oct 15, 2026, 7:57 AM 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 15, 2026, 7:57 AM EDT
Terminated No phase listed Observational Results available

Clinical Validation of the Point-of-Care MSD Influenza Test

NCT00863343
View directory record Official record
Conditions
Influenza Human
Interventions
Public Health Notification
Biological
Lead sponsor
Meso Scale Diagnostics, LLC.
Industry
Eligibility
Not listed
Enrollment
391 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010
U.S. locations
3
States / cities
San Diego, California • Lebanon, New Hampshire • Port Jefferson, New York
Source: ClinicalTrials.gov public record
Updated Mar 1, 2012 · Synced Oct 15, 2026, 7:57 AM EDT
Completed Phase 4 Interventional Results available

A Multicenter Study to Assess Response to Influenza Vaccine in Multiple Sclerosis Participants Treated With Ofatumumab

NCT04667117
View directory record Official record
Conditions
Relapsing Multiple Sclerosis
Interventions
Quadrivalent influenza vaccine, Ofatumumab, iDMT
Biological · Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years to 55 Years
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
3
States / cities
Phoenix, Arizona • Hollywood, Florida • St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Oct 9, 2024 · Synced Oct 15, 2026, 7:57 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Evaluating Immune Response to Seasonal FluMist in Healthy Adults

NCT01673425
View directory record Official record
Conditions
Influenza
Interventions
Live Attenuated Influenza Vaccine
Drug
Lead sponsor
National Center for Occupational Health and Infection Control
Federal
Eligibility
20 Years to 49 Years
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jan 27, 2021 · Synced Oct 15, 2026, 7:57 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Evaluate the Safety and Immunogenicity of a Seasonal Influenza Virus-Like Particle (VLP) Vaccine in Older Adults

NCT01014806
View directory record Official record
Conditions
Influenza
Interventions
Influenza VLP Vaccine, TIV
Biological
Lead sponsor
Novavax
Industry
Eligibility
60 Years and older
Enrollment
467 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
6
States / cities
Pembroke Pines, Florida • Rochester, Minnesota • Providence, Rhode Island + 3 more
Source: ClinicalTrials.gov public record
Updated Jul 18, 2013 · Synced Oct 15, 2026, 7:57 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Spirulina Oral Supplement for Enhancing Host Resilience to Virus Infection

NCT05447078
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Immulina TM, Placebo
Drug · Dietary Supplement
Lead sponsor
University of Mississippi Medical Center
Other
Eligibility
18 Years and older
Enrollment
492 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Jackson, Mississippi
Source: ClinicalTrials.gov public record
Updated Jul 30, 2026 · Synced Oct 15, 2026, 7:57 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Inactivated Influenza A/H9N2 Vaccine With and Without MF59 Adjuvant in Ambulatory Adults

NCT00133471
View directory record Official record
Conditions
Influenza
Interventions
Influenza A/H9N2 vaccine, MF59 adjuvant
Biological · Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 34 Years
Enrollment
96 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 27, 2010 · Synced Oct 15, 2026, 7:57 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Safety and Immunogenicity of a Monovalent Inactivated Influenza H3N2 Variant (H3N2v) Vaccine in Pediatric Populations

NCT02100436
View directory record Official record
Conditions
Influenza
Interventions
Influenza Virus Vaccine, Monovalent A/H3N2v A/Minnesota/11/2010 NYMC X-203
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
6 Months to 17 Years
Enrollment
270 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
8
States / cities
Atlanta, Georgia • Baltimore, Maryland • Kansas City, Missouri + 5 more
Source: ClinicalTrials.gov public record
Updated Jul 6, 2017 · Synced Oct 15, 2026, 7:57 AM EDT
Completed Phase 1 Interventional

Safety Study of Avian Flu Vaccine

NCT00408109
View directory record Official record
Conditions
Influenza A Virus, H5N1 Subtype, Influenza A Virus, Influenzavirus A, Orthomyxoviridae, H5N1 Virus
Interventions
VRC-AVIDNA036-00-VP
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 60 Years
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 15, 2026, 7:57 AM EDT