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ClinicalTrials.gov public records Last synced Oct 13, 2026, 8:16 PM EDT

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

Showing 241–264 of 3,924 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Respiratory Tract Infections (RTI) Clear all
Completed Not applicable Interventional Accepts healthy volunteers Results available

SCALE-UP Utah: Community-Academic Partnership to Address COVID-19 Testing Among Utah Community Health Centers

NCT04939532
View directory record Official record
Conditions
Covid19
Interventions
Text-Messaging (TM), Patient Navigation (PN)
Behavioral
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older
Enrollment
44,729 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Feb 4, 2026 · Synced Oct 13, 2026, 8:16 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Immunogenicity, Safety and Tolerability of CSL Limited Inactivated Influenza Vaccine in Adults

NCT00333398
View directory record Official record
Conditions
Influenza
Interventions
CSL Trivalent Inactivated Influenza Vaccine - Thimerosal-free, CSL Trivalent Inactivated Influenza Vaccine with Thimerosal, Placebo with Thimerosal
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 64 Years
Enrollment
1,359 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006
U.S. locations
10
States / cities
Stanford, California • Iowa City, Iowa • Baltimore, Maryland + 7 more
Source: ClinicalTrials.gov public record
Updated Aug 27, 2010 · Synced Oct 13, 2026, 8:16 PM EDT
Completed Phase 2 Interventional Results available

COVID-19 Anosmia Study

NCT04495816
View directory record Official record
Conditions
Anosmia, Covid19
Interventions
Omega-3 Fatty Acid Supplement, Placebo/Control
Drug
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
139 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 23, 2023 · Synced Oct 13, 2026, 8:16 PM EDT
Suspended Early Phase 1 Interventional

Study of Liraglutide (A Weight Loss Drug) in High Risk Obese Participants With Cognitive and Memory Issues

NCT06171152
View directory record Official record
Conditions
Multiple Sclerosis, Long COVID, Long Covid19, Obese, Obesity, Obesity, Morbid, Acute Leukemia in Remission
Interventions
Liraglutide Pen Injector [Saxenda], Medication Diary
Drug · Other
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 40 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 30, 2026 · Synced Oct 13, 2026, 8:16 PM EDT
Completed Not applicable Interventional

Exploring a Cessation Intervention for Smokers

NCT01728038
View directory record Official record
Conditions
Asthma
Interventions
Cessation Counseling
Behavioral
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
Not listed
Enrollment
230 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 30, 2017 · Synced Oct 13, 2026, 8:16 PM EDT
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Evaluating the Community Drum Circle

NCT06513858
View directory record Official record
Conditions
Mental Health Issue, COVID-19
Interventions
Communal Drumming, Communal drumming recordings
Behavioral
Lead sponsor
Yale University
Other
Eligibility
16 Years to 65 Years
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
2
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Feb 12, 2026 · Synced Oct 13, 2026, 8:16 PM EDT
Completed Not applicable Interventional Results available

COVID-19 Watch + COVID-19 Pulse

NCT04581863
View directory record Official record
Conditions
Covid19
Interventions
pulse oximeter, COVID Watch
Device · Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
2,097 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 24, 2023 · Synced Oct 13, 2026, 8:16 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Evaluation of Free Air Portable Air Powered Respirator

NCT02487147
View directory record Official record
Conditions
Influenza
Interventions
Free Air Portable Air Powered Respirator, N95 Respirator
Other
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years to 49 Years
Enrollment
58 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 4, 2022 · Synced Oct 13, 2026, 8:16 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Repeat Testing for SARS-CoV-2

NCT04579549
View directory record Official record
Conditions
COVID-19, Sars-CoV-2
Interventions
Saliva Assay
Device
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
5 Years and older
Enrollment
464 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jan 20, 2022 · Synced Oct 13, 2026, 8:16 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Healthcare Worker Exposure Response and Outcomes of Hydroxychloroquine

NCT04334148
View directory record Official record
Conditions
COVID-19
Interventions
Hydroxychloroquine, Placebo oral tablet
Drug
Lead sponsor
Adrian Hernandez
Other
Eligibility
18 Years and older
Enrollment
1,360 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
34
States / cities
Aurora, Colorado • Gainesville, Florida • Jacksonville, Florida + 27 more
Source: ClinicalTrials.gov public record
Updated Oct 12, 2021 · Synced Oct 13, 2026, 8:16 PM EDT
Completed No phase listed Observational

Surveillance of Individuals Following SARS-CoV-2 Infection

NCT04383444
View directory record Official record
Conditions
COVID-19
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 1, 2023 · Synced Oct 13, 2026, 8:16 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

The Covid-19 HEalth caRe wOrkErS (HEROES) Study

NCT04352634
View directory record Official record
Conditions
Covid-19, Mental Health Disorder, Stress Disorder, Anxiety, Depression, SARS-CoV-2
Interventions
Exposure to the SARS-CoV-2 and its consequences
Other
Lead sponsor
University of Chile
Other
Eligibility
18 Years and older
Enrollment
2,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 1, 2021 · Synced Oct 13, 2026, 8:16 PM EDT
Completed Phase 2 Interventional Results available

GLS-1027 for the Prevention of Severe Pneumonitis Caused by SARS-CoV-2 Infection (COVID-19)

NCT04590547
View directory record Official record
Conditions
Pneumonitis, SARS-CoV Infection
Interventions
GLS-1027, Placebo
Drug
Lead sponsor
GeneOne Life Science, Inc.
Industry
Eligibility
18 Years and older
Enrollment
132 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Apr 11, 2025 · Synced Oct 13, 2026, 8:16 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

A Study to Investigate the Immunogenicity, Reactogenicity, and Safety of mRNA-1083 (Influenza and COVID-19) Vaccine in Adults ≥18 to <65 Years of Age

NCT06864143
View directory record Official record
Conditions
Influenza, SARS-CoV-2
Interventions
mRNA-1083 Composition 1 Dose A Lot A, mRNA-1083 Composition 1 Dose A Lot B, mRNA-1083 Composition 1 Dose B, mRNA-1083 Composition 1 Dose C, mRNA-1083 Composition 2 Dose A, mRNA-1083 Composition 2 Dose B, mRNA-1083 Composition 3 Dose A, mRNA-1083 Composition 3 Dose B, Influenza Vaccine, COVID-19 Vaccine, Investigational Influenza Vaccine, Investigational COVID-19 Vaccine Lot A, Investigational COVID-19 Vaccine Lot B
Biological
Lead sponsor
ModernaTX, Inc.
Industry
Eligibility
18 Years to 64 Years
Enrollment
1,320 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
17
States / cities
Scottsdale, Arizona • San Diego, California • Stockbridge, Georgia + 13 more
Source: ClinicalTrials.gov public record
Updated Oct 20, 2025 · Synced Oct 13, 2026, 8:16 PM EDT
Completed Phase 2 Interventional Results available

Colchicine to Reduce Cardiac Injury in COVID-19 (COLHEART-19)

NCT04355143
View directory record Official record
Conditions
COVID-19
Interventions
Colchicine Tablets, Current care per UCLA treating physicians
Drug · Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
93 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
3
States / cities
Los Angeles, California • Santa Monica, California • Miami, Florida
Source: ClinicalTrials.gov public record
Updated Nov 3, 2022 · Synced Oct 13, 2026, 8:16 PM EDT
Completed Phase 2 Interventional Results available

CRISIS2: A Phase 2 Study of the Safety and Antiviral Activity of Brequinar in Non-hospitalized Pts With COVID-19

NCT04575038
View directory record Official record
Conditions
COVID-19 Infection
Interventions
Brequinar, Placebo
Drug
Lead sponsor
Clear Creek Bio, Inc.
Industry
Eligibility
18 Years and older
Enrollment
115 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
14
States / cities
Homewood, Alabama • Long Beach, California • Doral, Florida + 11 more
Source: ClinicalTrials.gov public record
Updated Apr 19, 2022 · Synced Oct 13, 2026, 8:16 PM EDT
Completed No phase listed Observational Results available

Effectiveness of BNT162b2 Formulations Using State Vaccine Registry and Insurance Claims Data

NCT06199934
View directory record Official record
Conditions
SARS-CoV-2, COVID-19 Vaccines
Interventions
Vaccination
Biological
Lead sponsor
Pfizer
Industry
Eligibility
Not listed
Enrollment
19,853,610 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 10, 2025 · Synced Oct 13, 2026, 8:16 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

COVID-19 Diagnostic Self-testing Using Virtual Point-of-care

NCT04348864
View directory record Official record
Conditions
Communicable Disease, COVID-19, Sars-CoV2, Infectious Disease, Coronavirus, Virus
Interventions
COVID-19 Antigen/Antibody Rapid Testing, mobile device image capture and telemedicine support, Telemedicine
Diagnostic Test · Other
Lead sponsor
Neuroganics LLC
Industry
Eligibility
18 Years to 99 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Northglenn, Colorado
Source: ClinicalTrials.gov public record
Updated Mar 23, 2022 · Synced Oct 13, 2026, 8:16 PM EDT
Completed Phase 2 Interventional Results available

Adjunctive Therapeutic Treatment With Human Monoclonal Antibody AR-105 (Aerucin®) in P. Aeruginosa Pneumonia

NCT03027609
View directory record Official record
Conditions
Pseudomonas Aeruginosa Pneumonia
Interventions
AR-105, Placebo
Drug
Lead sponsor
Aridis Pharmaceuticals, Inc.
Industry
Eligibility
18 Years and older
Enrollment
158 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
14
States / cities
Sacramento, California • San Diego, California • Jacksonville, Florida + 9 more
Source: ClinicalTrials.gov public record
Updated Mar 17, 2022 · Synced Oct 13, 2026, 8:16 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Acute Respiratory Infection Consortium

NCT01021098
View directory record Official record
Conditions
Influenza
Interventions
Not listed
Lead sponsor
Henry M. Jackson Foundation for the Advancement of Military Medicine
Other
Eligibility
17 Years to 55 Years
Enrollment
2,018 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2023
U.S. locations
5
States / cities
San Diego, California • Bethesda, Maryland • San Antonio, Texas + 2 more
Source: ClinicalTrials.gov public record
Updated Nov 24, 2023 · Synced Oct 13, 2026, 8:16 PM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

Safety and Immunogenicity of A/H1N1-SOIV (Swine Flu) Vaccine With and Without Adjuvant in Children (3 to < 9 Years)

NCT00972816
View directory record Official record
Conditions
Influenza
Interventions
MF59-eH1N1
Biological
Lead sponsor
Novartis Vaccines
Industry
Eligibility
3 Years to 8 Years
Enrollment
1,357 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
34
States / cities
Downey, California • Madera, California • Paramount, California + 29 more
Source: ClinicalTrials.gov public record
Updated Apr 14, 2016 · Synced Oct 13, 2026, 8:16 PM EDT
Completed No phase listed Observational

Prehospital Use of Ultrasound in Undifferentiated Shortness of Breath

NCT02638649
View directory record Official record
Conditions
Pneumonia, Pulmonary Edema, Dyspnea
Interventions
Lung ultrasound, ultrasound
Procedure · Device
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
69 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
2
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 23, 2020 · Synced Oct 13, 2026, 8:16 PM EDT
Terminated Phase 3 Interventional Accepts healthy volunteers Results available

Study of Monovalent and Bivalent Recombinant Protein Vaccines Against COVID-19 in Adults 18 Years of Age and Older

NCT04904549
View directory record Official record
Conditions
COVID-19
Interventions
SARS-CoV-2 adjuvanted recombinant protein vaccine (monovalent D614) (primary series), SARS-CoV-2 adjuvanted recombinant protein vaccine (bivalent D614 + B.1.351) (primary series), Placebo, SARS-CoV-2 adjuvanted recombinant protein vaccine (monovalent B.1.351) (booster dose) >= 4 months after last vaccination, SARS-CoV-2 adjuvanted recombinant protein vaccine(monovalent D614)(primary series)& SARS-CoV-2 adjuvanted recombinant protein vaccine(monovalent B.1.351)(booster dose)>=4 months after last vaccination
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
18 Years and older
Enrollment
23,670 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
23
States / cities
Birmingham, Alabama • Huntsville, Alabama • Rolling Hills Estates, California + 20 more
Source: ClinicalTrials.gov public record
Updated Jun 3, 2026 · Synced Oct 13, 2026, 8:16 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

A Synthetic MVA-based SARS-CoV-2 Vaccine, GEO-CM04S1, for the Prevention of COVID-19 Infection

NCT04639466
View directory record Official record
Conditions
COVID-19 Infection
Interventions
Placebo Administration, Synthetic MVA-based SARS-CoV-2 Vaccine COH04S1
Drug · Biological
Lead sponsor
GeoVax, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
119 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2025
U.S. locations
3
States / cities
Claremont, California • Duarte, California • Thousand Oaks, California
Source: ClinicalTrials.gov public record
Updated Feb 10, 2026 · Synced Oct 13, 2026, 8:16 PM EDT