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ClinicalTrials.gov public records Last synced Oct 16, 2026, 1:06 PM EDT

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Showing 841–864 of 3,928 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Respiratory Tract Infections (RTI) Clear all
Completed No phase listed Observational

A Clinical Evaluation of Pine Trees Health Test System Including the Pine Trees Health Reader and COVID-19 Test for Point-of-Care

NCT05107258
View directory record Official record
Conditions
SARS (Severe Acute Respiratory Syndrome), Covid19
Interventions
The Pine Trees Health Test System
Diagnostic Test
Lead sponsor
Pine Trees, Inc.
Industry
Eligibility
6 Years and older
Enrollment
195 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
3
States / cities
Spring Hill, Florida • Statesville, North Carolina • Redmond, Washington
Source: ClinicalTrials.gov public record
Updated Nov 4, 2021 · Synced Oct 16, 2026, 1:06 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Music Mindfulness Study 2a.

NCT06505226
View directory record Official record
Conditions
Mental Health Issue, COVID-19
Interventions
in person meditation, in person meditation using headphones, virtual meditation
Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years to 65 Years
Enrollment
70 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 16, 2026, 1:06 PM EDT
Completed No phase listed Observational

Rapid Diagnostic Supporting Antimicrobial Stewardship in Patients With Pneumonia

NCT05937126
View directory record Official record
Conditions
Lower Respiratory Tract Infections
Interventions
FilmArray Pneumonia Panel, Culture and antimicrobial susceptibility testing
Diagnostic Test
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
1,203 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 10, 2023 · Synced Oct 16, 2026, 1:06 PM EDT
Completed Phase 2 Interventional

RECOVER-AUTONOMIC: Platform Protocol, Appendix B (Ivabradine)

NCT06305806
View directory record Official record
Conditions
Long COVID, Long Covid19, Long Covid-19
Interventions
Ivabradine, Ivabradine Placebo, Coordinated Care, Usual Care
Drug · Behavioral
Lead sponsor
Kanecia Obie Zimmerman
Other
Eligibility
18 Years and older
Enrollment
181 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 20, 2026 · Synced Oct 16, 2026, 1:06 PM EDT
Recruiting Phase 3 Interventional Accepts healthy volunteers

A Study of COVID-19 Vaccine(s) in Children and Adults

NCT07798648
View directory record Official record
Conditions
COVID-19 Vaccines
Interventions
BNT162b2
Biological
Lead sponsor
BioNTech SE
Industry
Eligibility
5 Years and older
Enrollment
700 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
14
States / cities
Homestead, Florida • Miami Lakes, Florida • Atlanta, Georgia + 10 more
Source: ClinicalTrials.gov public record
Updated Sep 28, 2026 · Synced Oct 16, 2026, 1:06 PM EDT
Active, not recruiting Phase 1Phase 2 Interventional

Supplemental Citicoline Administration to Reduce Lung Injury Efficacy Trial (SCARLET)

NCT05881135
View directory record Official record
Conditions
COVID-19
Interventions
Citicoline, Saline/Placebo
Drug
Lead sponsor
Ohio State University
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 2, 2025 · Synced Oct 16, 2026, 1:06 PM EDT
Enrolling by invitation Not applicable Interventional

Harnessing Digital Medicine to Improve Allergic Rhinitis Management in Primary Care (DMAR)

NCT06603935
View directory record Official record
Conditions
Allergic Rhinitis, Sinusitis
Interventions
QHSLab Digital Tools (AME and ARIS)
Other
Lead sponsor
QHSLab, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
West Palm Beach, Florida
Source: ClinicalTrials.gov public record
Updated Feb 9, 2026 · Synced Oct 16, 2026, 1:06 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Incidence of Sore Throat With Traditional Intubation Blades or Glidescope Blade

NCT02033564
View directory record Official record
Conditions
Intratracheal Intubation, Laryngoscopes, Postoperative Care, Risk Assessment
Interventions
Macintosh/Miller Laryngoscope, Glidescope Laryngoscope
Device
Lead sponsor
Jason Ngo, B.S.
Other
Eligibility
18 Years to 80 Years
Enrollment
151 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Albany, New York
Source: ClinicalTrials.gov public record
Updated Jan 13, 2014 · Synced Oct 16, 2026, 1:06 PM EDT
Completed Not applicable Interventional

A Study of Tobacco Smoke and Children With Respiratory Illnesses

NCT03062709
View directory record Official record
Conditions
Bronchiolitis, Pneumonia, Reactive Airway Disease, Asthma, Tobacco Smoking, Tobacco Cessation, Bronchopulmonary Dysplasia
Interventions
Breathe Easy Coalition written materials, Maine Tobacco Helpline, Urine cotinine testing
Behavioral · Diagnostic Test
Lead sponsor
MaineHealth
Other
Eligibility
Up to 10 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
1
States / cities
Portland, Maine
Source: ClinicalTrials.gov public record
Updated May 16, 2017 · Synced Oct 16, 2026, 1:06 PM EDT
Completed Phase 2 Interventional Results available

Effects of COVID-19 Convalescent Plasma (CCP) on Coronavirus-associated Complications in Hospitalized Patients

NCT04421404
View directory record Official record
Conditions
COVID-19, Sars-CoV2
Interventions
COVID-19 Convalescent Plasma (CCP), Placebo
Biological
Lead sponsor
Priscilla Hsue, MD
Other
Eligibility
18 Years and older
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
3
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Oct 7, 2022 · Synced Oct 16, 2026, 1:06 PM EDT
Recruiting Phase 2 Interventional

Phase 2 Trial Using rhDNase to Reduce Mortality in COVID-19 Patients With Respiratory Failure

NCT04445285
View directory record Official record
Conditions
Covid19
Interventions
Pulmozyme/ Recombinant human deoxyribonuclease (rh-DNase), 0.9%sodium chloride
Drug
Lead sponsor
Jon Simmons
Other
Eligibility
18 Years and older
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Mobile, Alabama
Source: ClinicalTrials.gov public record
Updated May 28, 2021 · Synced Oct 16, 2026, 1:06 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 16, 2026, 1:06 PM EDT
Completed Not applicable Interventional Results available

Transcranial Direct Current Stimulation (tDCS) for Post COVID-19 Fatigue

NCT04876417
View directory record Official record
Conditions
Post Covid-19 Patients
Interventions
Transcranial Direct Current Stimulation, Sham Transcranial Direct Current Stimulation
Device
Lead sponsor
University of Iowa
Other
Eligibility
18 Years to 80 Years
Enrollment
74 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated May 1, 2024 · Synced Oct 16, 2026, 1:06 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Vaccination Education Through Pharmacists and Senior Centers (VEPSC)

NCT03239665
View directory record Official record
Conditions
Infectious Disease, Pneumonia, Bacterial, Influenza, Zoster; Herpes
Interventions
Pharmacist-led Intervention (PHARM), Peer-led Intervention (PEER)
Behavioral
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
50 Years and older
Enrollment
335 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Piscataway, New Jersey
Source: ClinicalTrials.gov public record
Updated Jul 1, 2020 · Synced Oct 16, 2026, 1:06 PM EDT
Completed Phase 2 Interventional Results available

Nicotinamide Riboside in SARS-CoV-2 (COVID-19) Patients for Renal Protection

NCT04818216
View directory record Official record
Conditions
SARS-CoV-2 Infection, Acute Kidney Injury
Interventions
Placebo, Nicotinamide riboside
Drug
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
18 Years and older
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
4
States / cities
New York, New York • San Antonio, Texas • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Dec 26, 2023 · Synced Oct 16, 2026, 1:06 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Impact of Lactoferrin, a Dietary Supplement, vs. Placebo on Respiratory Tract Infections

NCT04713735
View directory record Official record
Conditions
Immune Health
Interventions
Control: Placebo, bovine lactoferrin supplement
Dietary Supplement
Lead sponsor
Mead Johnson Nutrition
Industry
Eligibility
55 Years and older
Enrollment
76 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Oct 18, 2023 · Synced Oct 16, 2026, 1:06 PM EDT
Terminated Not applicable Interventional Results available

Diagnostic Performance of an Antigen Test for SARS-CoV-2 Infection (COVID-19)

NCT04610489
View directory record Official record
Conditions
Covid-19
Interventions
Quidel Sofia SARS Antigen FIA
Diagnostic Test
Lead sponsor
Carilion Clinic
Other
Eligibility
18 Years and older
Enrollment
117 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Roanoke, Virginia
Source: ClinicalTrials.gov public record
Updated Aug 17, 2021 · Synced Oct 16, 2026, 1:06 PM EDT
Completed No phase listed Observational Results available

A Study To Learn About The Effects Of Pneumococcal Vaccine In People With HIV

NCT05794191
View directory record Official record
Conditions
HIV, Pneumonia, Infections, Pneumococcal
Interventions
Vaccine Administration
Biological
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
350,399 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 Oct 20, 2025 · Synced Oct 16, 2026, 1:06 PM EDT
Terminated Not applicable Interventional Results available

Comparing Nasal Suction Devices in Children With Bronchiolitis: A Pilot Study

NCT02219334
View directory record Official record
Conditions
Bronchiolitis
Interventions
NoseFrida
Device
Lead sponsor
Baylor College of Medicine
Other
Eligibility
2 Months to 2 Years
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2019
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Sep 3, 2020 · Synced Oct 16, 2026, 1:06 PM EDT
Not listed Phase 1 Interventional

Comparison of the Efficacy of Rapid Tests to Identify COVID-19 Infection (CATCh COVID-19)

NCT04372004
View directory record Official record
Conditions
COVID-19
Interventions
diagnostic tests for COVID-19 infection
Diagnostic Test
Lead sponsor
Texas Cardiac Arrhythmia Research Foundation
Other
Eligibility
18 Years to 85 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Aug 11, 2020 · Synced Oct 16, 2026, 1:06 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Effectiveness of a Vaccination Program in the Community Ob/Gyn Setting

NCT00828555
View directory record Official record
Conditions
Influenza Vaccine, Papillomavirus Infection, Pertussis
Interventions
Vaccination Program
Other
Lead sponsor
Duke University
Other
Eligibility
12 Years to 26 Years · Female only
Enrollment
3,988 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2012
U.S. locations
4
States / cities
Burlington, North Carolina • Durham, North Carolina • Raleigh, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 16, 2012 · Synced Oct 16, 2026, 1:06 PM EDT
Completed Not applicable Interventional

Pathogen Detection and Community Acquired Pneumonia

NCT02880384
View directory record Official record
Conditions
Community Acquired Pneumonia
Interventions
FilmArray LRTI v.2.0 IUO Panel
Other
Lead sponsor
Providence Health & Services
Other
Eligibility
Not listed
Enrollment
570 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated May 25, 2022 · Synced Oct 16, 2026, 1:06 PM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Immune Responses in Oncology Patients to Novel Coronavirus Vaccines (IROC)

NCT04930055
View directory record Official record
Conditions
Cancer
Interventions
COVID-19 Vaccination
Biological
Lead sponsor
Indiana University
Other
Eligibility
18 Years and older
Enrollment
2,206 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
2
States / cities
Carmel, Indiana • Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated May 19, 2023 · Synced Oct 16, 2026, 1:06 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Study to Evaluate the Safety, Tolerability, and Immunogenicity of an RNA Vaccine Candidate Against COVID-19 in Healthy Children

NCT04816643
View directory record Official record
Conditions
SARS-CoV-2 Infection, COVID-19
Interventions
Biological/Vaccine: BNT162b2 10mcg, BNT162b2 20mcg, BNT162b2 30mcg, Placebo, Biological/Vaccine: BNT162b2 3mcg
Biological · Other
Lead sponsor
BioNTech SE
Industry
Eligibility
6 Months to 15 Years
Enrollment
11,837 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
90
States / cities
Birmingham, Alabama • Phoenix, Arizona • Los Angeles, California + 67 more
Source: ClinicalTrials.gov public record
Updated May 28, 2026 · Synced Oct 16, 2026, 1:06 PM EDT