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ClinicalTrials.gov public records Last synced Oct 11, 2026, 2:40 AM EDT

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Showing 97–120 of 929 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Orthomyxoviridae Infection Clear all
Completed Phase 2 Interventional Accepts healthy volunteers

Trial to Investigate Immune Responses Elicited by a Liquid Formulation of Influenza Virus Vaccine(CAIV-T)in Healthy Adults Aged 18 to 59 and Healthy Adults Aged 60 Years and Older

NCT00192153
View directory record Official record
Conditions
Influenza
Interventions
CAIV-T or TIV
Biological
Lead sponsor
MedImmune LLC
Industry
Eligibility
18 Years to 60 Years
Enrollment
240 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2001
U.S. locations
2
States / cities
New Port Richey, Florida • Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Sep 13, 2021 · Synced Oct 11, 2026, 2:40 AM EDT
Terminated No phase listed Observational

Acute Viral Respiratory Infections in Elderly

NCT00170495
View directory record Official record
Conditions
Respiratory Infections, Acute
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
65 Years and older
Enrollment
3,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 27, 2010 · Synced Oct 11, 2026, 2:40 AM 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 11, 2026, 2:40 AM EDT
Completed No phase listed Observational

Idylla IFV-RSV Panel Clinical Testing

NCT02786381
View directory record Official record
Conditions
Respiratory Tract Infections, Influenza, Human, Respiratory Syncytial Virus Infections
Interventions
Not listed
Lead sponsor
Janssen Pharmaceutica N.V., Belgium
Industry
Eligibility
Not listed
Enrollment
213 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Pensacola, Florida
Source: ClinicalTrials.gov public record
Updated Nov 22, 2016 · Synced Oct 11, 2026, 2:40 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Influenza Immunity Against Pandemic Respiratory Virus

NCT00138281
View directory record Official record
Conditions
Influenza
Interventions
FluMist, Fluzone
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 49 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Ends 2006
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Aug 27, 2010 · Synced Oct 11, 2026, 2:40 AM EDT
Completed Not applicable Interventional

Opting In vs Opting Out

NCT01233804
View directory record Official record
Conditions
Influenza Vaccination
Interventions
Opting Out
Other
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years and older · Female only
Enrollment
280 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
2
States / cities
Galveston, Texas • Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 31, 2018 · Synced Oct 11, 2026, 2:40 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Trial to Assess the Shedding,Immunogenicity, and Safety of FluMist Administered to Healthy Individuals 5-49 Years of Age

NCT00192140
View directory record Official record
Conditions
Influenza
Interventions
FluMist
Biological
Lead sponsor
MedImmune LLC
Industry
Eligibility
5 Years to 49 Years
Enrollment
345 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2005
U.S. locations
11
States / cities
Miami, Florida • Chicago, Illinois • Bardstown, Kentucky + 8 more
Source: ClinicalTrials.gov public record
Updated Dec 28, 2007 · Synced Oct 11, 2026, 2:40 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 Oct 11, 2026, 2:40 AM 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 11, 2026, 2:40 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 11, 2026, 2:40 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Seasonal Influenza DNA Vaccine & Seasonal Influenza Trivalent Inactivated Vaccine (TIV) in Children & Adolescents

NCT01609998
View directory record Official record
Conditions
Influenza
Interventions
Seasonal Influenza DNA vaccine, TIV
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
6 Years to 17 Years
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
5
States / cities
Atlanta, Georgia • St Louis, Missouri • Lebanon, New Hampshire + 2 more
Source: ClinicalTrials.gov public record
Updated Dec 6, 2018 · Synced Oct 11, 2026, 2:40 AM EDT
Completed Phase 2Phase 3 Interventional Results available

Safety and Efficacy Study of Nitazoxanide in the Treatment of Acute Uncomplicated Influenza

NCT01227421
View directory record Official record
Conditions
Influenza
Interventions
Nitazoxanide, Placebo
Drug
Lead sponsor
Romark Laboratories L.C.
Industry
Eligibility
12 Years to 65 Years
Enrollment
624 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Elmira, New York
Source: ClinicalTrials.gov public record
Updated Oct 12, 2023 · Synced Oct 11, 2026, 2:40 AM EDT
Completed Phase 2 Interventional Results available

Evaluation of the Efficacy and Safety of Peramivir in Subjects With Uncomplicated Acute Influenza.

NCT00419263
View directory record Official record
Conditions
Influenza
Interventions
Peramivir 150 mg, Peramivir 300 mg, Placebo
Drug
Lead sponsor
BioCryst Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
344 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007
U.S. locations
58
States / cities
Birmingham, Alabama • Jonesboro, Arkansas • Anaheim, California + 45 more
Source: ClinicalTrials.gov public record
Updated Feb 12, 2015 · Synced Oct 11, 2026, 2:40 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Flu Shot Pre-visit Questionnaire

NCT05508698
View directory record Official record
Conditions
Influenza
Interventions
Precommitment Nudge, Salience
Behavioral
Lead sponsor
Geisinger Clinic
Other
Eligibility
18 Years and older
Enrollment
230,962 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Danville, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 25, 2023 · Synced Oct 11, 2026, 2:40 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Study to Evaluate the Safety and Immune Response of Two-Doses of Candidate Influenza Vaccine GSK 1557484A in Adults

NCT00510874
View directory record Official record
Conditions
Influenza
Interventions
Pumarix™, Pandemrix ™
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 64 Years
Enrollment
780 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
7
States / cities
Huntsville, Alabama • Anaheim, California • Miami, Florida + 4 more
Source: ClinicalTrials.gov public record
Updated Aug 17, 2018 · Synced Oct 11, 2026, 2:40 AM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Association Between Gut Microbiome and Dietary Determinants and Vaccine Response

NCT05239403
View directory record Official record
Conditions
Influenza
Interventions
Biospecimen Collection, Questionnaire Administration
Procedure · Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
74 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2027
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 12, 2026 · Synced Oct 11, 2026, 2:40 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Inactivated Influenza Via Jet Injection

NCT02290691
View directory record Official record
Conditions
Influenza, Human
Interventions
Influenza Vaccine
Biological
Lead sponsor
PharmaJet, Inc.
Industry
Eligibility
18 Years to 64 Years
Enrollment
985 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
6
States / cities
Huntsville, Alabama • San Diego, California • Melbourne, Florida + 3 more
Source: ClinicalTrials.gov public record
Updated Nov 30, 2017 · Synced Oct 11, 2026, 2:40 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

A Clinical Study to Evaluate the Efficacy, Safety and Immunogenicity of an Adjuvanted Influenza Vaccine Compared to a Non-adjuvanted Influenza Vaccine in Adults ≥65 Years of Age

NCT06087640
View directory record Official record
Conditions
Influenza, Human
Interventions
aQIV or aTIV, QIV or TIV
Biological
Lead sponsor
Seqirus
Industry
Eligibility
65 Years and older
Enrollment
38,769 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
111
States / cities
Birmingham, Alabama • Cullman, Alabama • Phoenix, Arizona + 96 more
Source: ClinicalTrials.gov public record
Updated Sep 2, 2026 · Synced Oct 11, 2026, 2:40 AM EDT
Completed Not applicable Interventional Results available

Patient Portal - Flu Reminder Recall

NCT03666026
View directory record Official record
Conditions
Influenza, Respiratory Tract Infections, Vaccines
Interventions
1 MyChart R/R, 2 MyChart R/R, 3 MyChart R/R
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
4 Months and older
Enrollment
164,205 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Nov 17, 2021 · Synced Oct 11, 2026, 2:40 AM EDT
Completed Phase 4 Interventional

VSMART (Video-Conference Stress Management and Relaxation Training for Older Women With Breast Cancer)

NCT03955991
View directory record Official record
Conditions
Stress
Interventions
R-CBSM, Influenza vaccine
Behavioral · Biological
Lead sponsor
University of Miami
Other
Eligibility
50 Years and older · Female only
Enrollment
109 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2024
U.S. locations
1
States / cities
Coral Gables, Florida
Source: ClinicalTrials.gov public record
Updated Jun 26, 2025 · Synced Oct 11, 2026, 2:40 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

A Study to Determine the Immunogenicity and Safety Profile of CSL Limited's Influenza Virus Vaccine Compared to a US Licensed Comparator Influenza Virus Vaccine in a Pediatric Population

NCT00959049
View directory record Official record
Conditions
Influenza
Interventions
CSL's Influenza Virus Vaccine (Afluria), Influenza Virus Vaccine (Fluzone)
Biological
Lead sponsor
Seqirus
Industry
Eligibility
6 Months to 17 Years
Enrollment
1,474 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
23
States / cities
Chandler, Arizona • Harrisburg, Arkansas • Jonesboro, Arkansas + 16 more
Source: ClinicalTrials.gov public record
Updated May 16, 2017 · Synced Oct 11, 2026, 2:40 AM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers

Meditation and Exercise for Prevention of Acute Respiratory Infection

NCT01057771
View directory record Official record
Conditions
Acute Respiratory Infection
Interventions
Meditation, Exercise
Behavioral
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
50 Years and older
Enrollment
154 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Oct 12, 2015 · Synced Oct 11, 2026, 2:40 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

H5N1 Mix and Match With AS03

NCT01317758
View directory record Official record
Conditions
Influenza
Interventions
AS03 Adjuvant, Phosphate Buffered Saline (PBS) diluent, Sanofi H5N1 Antigen
Drug · Other · Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 49 Years
Enrollment
245 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
4
States / cities
Baltimore, Maryland • Nashville, Tennessee • Houston, Texas + 1 more
Source: ClinicalTrials.gov public record
Updated Jan 18, 2013 · Synced Oct 11, 2026, 2:40 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Trial to Evaluate the Immunogenicity and Safety of Panblok® (H7 rHA) in Healthy Adults Aged 18 and Older

NCT02464163
View directory record Official record
Conditions
Influenza
Interventions
Panblok, rHA adjuvant
Biological
Lead sponsor
Protein Sciences Corporation
Industry
Eligibility
18 Years and older
Enrollment
407 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
9
States / cities
Mobile, Alabama • DeLand, Florida • Savannah, Georgia + 6 more
Source: ClinicalTrials.gov public record
Updated Oct 26, 2017 · Synced Oct 11, 2026, 2:40 AM EDT