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ClinicalTrials.gov public records Last synced Oct 16, 2026, 5:25 PM EDT

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Showing 913–936 of 3,928 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Respiratory Tract Infections (RTI) Clear all
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Immunogenicity and Safety Study of GSK Biologicals' Influenza Vaccine When Administered in Children

NCT01196988
View directory record Official record
Conditions
Influenza
Interventions
Influenza vaccine GSK2321138A, FluarixTM, Influenza vaccine GSK2604409A
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
6 Months to 17 Years
Enrollment
3,027 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
14
States / cities
Sacramento, California • Boca Raton, Florida • Wichita, Kansas + 10 more
Source: ClinicalTrials.gov public record
Updated Sep 21, 2018 · Synced Oct 16, 2026, 5:25 PM EDT
Active, not recruiting Phase 1 Interventional Accepts healthy volunteers

A Safety and Immunogenicity Trial of Boost-2867 Vaccine, Via Intranasal and Intramuscular Routes

NCT07221162
View directory record Official record
Conditions
COVID-19
Interventions
Aluminum Hydroxide Suspension, Boost-2867, CpG 7909, Sodium Chloride, 0.9%
Drug · Biological · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 64 Years
Enrollment
140 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
8
States / cities
San Francisco, California • Baltimore, Maryland • St Louis, Missouri + 5 more
Source: ClinicalTrials.gov public record
Updated Jun 23, 2026 · Synced Oct 16, 2026, 5:25 PM EDT
Terminated Phase 2 Interventional Results available

Tocilizumab for Prevention of Respiratory Failure in Patients With Severe COVID-19 Infection

NCT04377659
View directory record Official record
Conditions
COVID-19
Interventions
Tocilizumab
Drug
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 28, 2025 · Synced Oct 16, 2026, 5:25 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

A Phase 1/2 Clinical Trial of an Alphavirus Replicon Vaccine for Influenza

NCT00440362
View directory record Official record
Conditions
Influenza
Interventions
AVX502, Placebo
Biological
Lead sponsor
AlphaVax, Inc.
Industry
Eligibility
18 Years to 40 Years
Enrollment
216 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007
U.S. locations
1
States / cities
Lenexa, Kansas
Source: ClinicalTrials.gov public record
Updated Nov 10, 2008 · Synced Oct 16, 2026, 5:25 PM EDT
Recruiting Phase 2 Interventional

A Study to Assess Anktiva in Patients With Long Covid-19.

NCT07108036
View directory record Official record
Conditions
Long COVID
Interventions
N-803 (IL-15 Superagonist)
Drug
Lead sponsor
ImmunityBio, Inc.
Industry
Eligibility
18 Years to 70 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated May 11, 2026 · Synced Oct 16, 2026, 5:25 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

2010-2011 Trivalent Influenza Vaccine (TIV) in Pregnant Women

NCT01173211
View directory record Official record
Conditions
Influenza
Interventions
Trivalent inactivated influenza vaccine
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 39 Years · Female only
Enrollment
183 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
5
States / cities
St Louis, Missouri • Durham, North Carolina • Nashville, Tennessee + 2 more
Source: ClinicalTrials.gov public record
Updated Dec 24, 2014 · Synced Oct 16, 2026, 5:25 PM EDT
Completed Phase 1 Interventional

VRC 307: A Double-Blind, Randomized Phase I Study of the Safety and Immunogenicity of a Prime-Boost Schedule of the Investigational DNA Trivalent Influenza Vaccine, VRC-FLUDNA047-00-VP, Followed by the 2008/2009 Seasonal Influenza Trivalent Inactivat...

NCT00858611
View directory record Official record
Conditions
Influenza, Human
Interventions
VRC-FLUDNA047-00-VP, Flulaval (Registered) Seasonal Influenza Vaccine
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 70 Years
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 16, 2026, 5:25 PM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers

Study to Evaluate Safety and Immunogenicity of COVID-19 Vaccine in Children 6 Months to < 12 Years

NCT05468736
View directory record Official record
Conditions
COVID-19
Interventions
SARS-CoV-2 rS/Matrix-M1 Adjuvant (Initial Vaccination Period), Placebo
Biological · Other
Lead sponsor
Novavax
Industry
Eligibility
6 Months to 11 Years
Enrollment
3,600 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
47
States / cities
Little Rock, Arkansas • Anaheim, California • Bellflower, California + 41 more
Source: ClinicalTrials.gov public record
Updated May 22, 2026 · Synced Oct 16, 2026, 5:25 PM EDT
Withdrawn No phase listed Observational Accepts healthy volunteers

COVID-19 In-vitro Diagnostic Test and Androgen Receptor Gene Expression

NCT04530500
View directory record Official record
Conditions
Covid19, Androgen Receptor Gene Overexpression
Interventions
COVID-19 Androgen Sensitivity Test (CoVAST)
Genetic
Lead sponsor
University of California, Irvine
Other
Eligibility
18 Years to 90 Years · Male only
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
2
States / cities
Irvine, California
Source: ClinicalTrials.gov public record
Updated May 8, 2024 · Synced Oct 16, 2026, 5:25 PM EDT
Completed Phase 2 Interventional

Safety, Tolerability and Pharmacokinetics of Aerosolized Amikacin in Intubated and Mechanically-ventilated Patients With Nosocomial Pneumonia

NCT01021436
View directory record Official record
Conditions
Pneumonia
Interventions
Amikacin inhalation solution (BAY41-6551)
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007
U.S. locations
4
States / cities
Birminghan, Alabama • Cincinnati, Ohio • Memphis, Tennessee + 1 more
Source: ClinicalTrials.gov public record
Updated Feb 18, 2016 · Synced Oct 16, 2026, 5:25 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Vaccine Acceptance in Pregnant Minority Women

NCT01740310
View directory record Official record
Conditions
Pregnancy
Interventions
Maternal Vaccine Education
Behavioral
Lead sponsor
Emory University
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
121 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
4
States / cities
Atlanta, Georgia • Decatur, Georgia • Riverdale, Georgia
Source: ClinicalTrials.gov public record
Updated Mar 9, 2015 · Synced Oct 16, 2026, 5:25 PM EDT
Completed No phase listed Observational

Reversal of Tobacco-Related Sinusitis

NCT00843869
View directory record Official record
Conditions
Rhinosinusitis
Interventions
Not listed
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
19 Years and older
Enrollment
282 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2015
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Mar 25, 2015 · Synced Oct 16, 2026, 5:25 PM EDT
Not listed Phase 2 Interventional

Removal of Endotracheal Tube Secretions Comprehensively Until Extubation

NCT00663637
View directory record Official record
Conditions
Mechanical Ventilation, Pneumonia
Interventions
CAM (Complete Airway Management) Catheters
Device
Lead sponsor
O. M. Neotech, Inc.
Industry
Eligibility
Not listed
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2008
U.S. locations
1
States / cities
Cape Girardeau, Missouri
Source: ClinicalTrials.gov public record
Updated May 29, 2008 · Synced Oct 16, 2026, 5:25 PM EDT
Completed Phase 2 Interventional Results available

Effect of BIBW 2948 BS in COPD

NCT00423137
View directory record Official record
Conditions
Pulmonary Disease, Chronic Obstructive, Bronchitis, Chronic
Interventions
BIBW 2948 BS, Placebo
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
40 Years to 70 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
4
States / cities
Birmingham, Alabama • San Francisco, California • Denver, Colorado + 1 more
Source: ClinicalTrials.gov public record
Updated Nov 19, 2021 · Synced Oct 16, 2026, 5:25 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Researchers At UC San Diego Are Learning About the Benefits of Human Milk and How It Influences Infant and Child Health

NCT05553743
View directory record Official record
Conditions
Breastfeeding, COVID-19 Infection, COVID-19 Vaccine, Remdesivir, Antibiotics
Interventions
COVID-19 Exposure, Antibiotic
Biological · Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older · Female only
Enrollment
5,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2040
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Jan 31, 2025 · Synced Oct 16, 2026, 5:25 PM EDT
Completed No phase listed Observational Results available

Airway Limitation Study: Study In Primary Care Centers Of Chronic Bronchitis In Long-Term Cigarette Smokers Of At Least 40 Years Of Age With Symptoms Of Cough And Shortness Of Breath

NCT00442468
View directory record Official record
Conditions
Pulmonary Disease, Chronic Obstructive
Interventions
Non-interventional study.
Other
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
40 Years and older
Enrollment
1,283 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007
U.S. locations
47
States / cities
Highlands Ranch, Colorado • Wheat Ridge, Colorado • Clearwater, Florida + 43 more
Source: ClinicalTrials.gov public record
Updated Jan 10, 2013 · Synced Oct 16, 2026, 5:25 PM 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 16, 2026, 5:25 PM EDT
Completed Phase 2 Interventional

NE3107 in Adults With Neurological Symptoms of Long COVID

NCT06847191
View directory record Official record
Conditions
Long COVID
Interventions
NE3107, Placebo
Drug
Lead sponsor
BioVie Inc.
Industry
Eligibility
18 Years to 69 Years
Enrollment
203 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
20
States / cities
Palo Alto, California • San Francisco, California • Aurora, Colorado + 16 more
Source: ClinicalTrials.gov public record
Updated Sep 22, 2026 · Synced Oct 16, 2026, 5:25 PM 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 16, 2026, 5:25 PM EDT
Not listed Phase 3 Interventional Accepts healthy volunteers

Study of the Protective Effect of an Injectable Influenza Vaccine Against Influenza Illness in Adults Under 50 y.o.

NCT00216242
View directory record Official record
Conditions
Influenza
Interventions
Influenza virus vaccine (Fluviral), Saline placebo
Biological
Lead sponsor
ID Biomedical Corporation, Quebec
Industry
Eligibility
18 Years to 49 Years
Enrollment
7,400 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2007
U.S. locations
43
States / cities
Sacramento, California • San Francisco, California • Denver, Colorado + 34 more
Source: ClinicalTrials.gov public record
Updated Dec 11, 2006 · Synced Oct 16, 2026, 5:25 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Kidney Disease After COVID-19

NCT05328986
View directory record Official record
Conditions
COVID-19, Acute Kidney Injury, Chronic Kidney Injury
Interventions
Not listed
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
1,753 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
5
States / cities
New Haven, Connecticut • Baltimore, Maryland • Ann Arbor, Michigan + 2 more
Source: ClinicalTrials.gov public record
Updated Jul 20, 2025 · Synced Oct 16, 2026, 5:25 PM EDT
Completed Phase 3 Interventional Results available

Safety Study of Olopatadine Nasal Spray

NCT00578331
View directory record Official record
Conditions
Perennial Allergic Rhinitis
Interventions
Olopatadine 0.6% nasal spray, Placebo Nasal Spray
Drug
Lead sponsor
Alcon Research
Industry
Eligibility
12 Years and older
Enrollment
890 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Waco, Texas
Source: ClinicalTrials.gov public record
Updated Oct 31, 2017 · Synced Oct 16, 2026, 5:25 PM EDT
Completed Phase 1 Interventional

Exercise Therapy in Cancer Patients Who Are Recovering From COVID-19

NCT04824443
View directory record Official record
Conditions
Covid19, Coronavirus, Cancer
Interventions
Aerobic Exercise Therapy
Other
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
7
States / cities
Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 4 more
Source: ClinicalTrials.gov public record
Updated Oct 27, 2025 · Synced Oct 16, 2026, 5:25 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Testing a Personalized Normative Feedback Intervention for Vaccine Hesitancy

NCT05787015
View directory record Official record
Conditions
COVID-19, Vaccine Hesitancy
Interventions
Vaccine Norms Feedback, Alcohol Norms Feedback
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 24 Years
Enrollment
600 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Mar 28, 2023 · Synced Oct 16, 2026, 5:25 PM EDT