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Showing 1–24 of 4,502 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Respiratory Tract Infection Clear all
Recruiting Not applicable Interventional

Mind Body Intervention for Long COVID-19

NCT06045338
View directory record Official record
Conditions
Long COVID, Post-Acute Sequelae of COVID-19, COVID Long-Haul
Interventions
Mind Body Intervention #1
Behavioral
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years to 65 Years
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 17, 2026 · Synced Jun 10, 2026, 12:55 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Self-Administered Nasal Influenza Feasibility Study

NCT01933048
View directory record Official record
Conditions
Influenza
Interventions
FluMist
Drug
Lead sponsor
Henry M. Jackson Foundation for the Advancement of Military Medicine
Other
Eligibility
18 Years to 49 Years
Enrollment
1,077 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
2
States / cities
San Diego, California • Fort Sam Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 14, 2023 · Synced Jun 10, 2026, 12:55 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

A STUDY OF A RSV VACCINE WHEN GIVEN TOGETHER WITH TDAP IN HEALTHY NONPREGNANT WOMEN AGED BETWEEN 18 TO 49 YEARS

NCT04071158
View directory record Official record
Conditions
Respiratory Tract Infection
Interventions
RSV Vaccine, Tdap, Placebo
Biological
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 49 Years · Female only
Enrollment
713 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
16
States / cities
Stockbridge, Georgia • Honolulu, Hawaii • Wichita, Kansas + 12 more
Source: ClinicalTrials.gov public record
Updated Feb 14, 2021 · Synced Jun 10, 2026, 12:55 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of Prophylactic Antipyretics on Immune Responses and Fever After 2014-2015 and 2015-2016 Inactivated Influenza Vaccine

NCT02212990
View directory record Official record
Conditions
Fever
Interventions
Acetaminophen Arm, Placebo Arm, Ibuprofen Arm
Other
Lead sponsor
Duke University
Other
Eligibility
6 Months to 47 Months
Enrollment
104 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 6, 2018 · Synced Jun 10, 2026, 12:55 PM EDT
Enrolling by invitation No phase listed Observational

Mycobacteriophage Treatment of Non-tuberculosis Mycobacteria

NCT06262282
View directory record Official record
Conditions
Cystic Fibrosis, Nontuberculous Mycobacterial Lung Disease, Nontuberculous Mycobacterium Infection, Mycobacterium Infections, Mycobacterium; Pulmonary
Interventions
mycobacteriophage
Biological
Lead sponsor
National Jewish Health
Other
Eligibility
6 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
18
States / cities
Birmingham, Alabama • Los Angeles, California • San Diego, California + 14 more
Source: ClinicalTrials.gov public record
Updated May 20, 2025 · Synced Jun 10, 2026, 12:55 PM EDT
Completed Phase 4 Interventional

Safety and Efficacy Study of Ceftaroline Versus a Comparator in Pediatric Subjects With Complicated Community Acquired Pneumonia (CABP)

NCT01669980
View directory record Official record
Conditions
Infections, Pneumonia
Interventions
Ceftaroline fosamil, IV Ceftriaxone and Vancomycin
Drug
Lead sponsor
Forest Laboratories
Industry
Eligibility
2 Months to 18 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
13
States / cities
Long Beach, California • Oakland, California • Orange County, California + 10 more
Source: ClinicalTrials.gov public record
Updated Nov 1, 2015 · Synced Jun 10, 2026, 12:55 PM EDT
Terminated Phase 3 Interventional Results available

COVID-19 3rd Dose Vaccine in Transplant Patients

NCT05047640
View directory record Official record
Conditions
Covid19
Interventions
BNT162b2 vaccine, JNJ-78436735 Vaccine
Biological
Lead sponsor
Giselle Guerra
Other
Eligibility
18 Years and older
Enrollment
58 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Jun 3, 2024 · Synced Jun 10, 2026, 12:55 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Prevention and Treatment of Patient Before, During, and After Covid-19 Infection

NCT05043324
View directory record Official record
Conditions
Covid19
Interventions
AntiCov-220, AntiCov-220 (placebo)
Drug
Lead sponsor
Nguyen Thi Trieu, MD
Individual
Eligibility
16 Years to 82 Years
Enrollment
82 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Wilmington, Delaware
Source: ClinicalTrials.gov public record
Updated Sep 10, 2025 · Synced Jun 10, 2026, 12:55 PM EDT
Terminated Phase 2 Interventional Results available

Treating COVID-19 With Hydroxychloroquine (TEACH)

NCT04369742
View directory record Official record
Conditions
COVID-19
Interventions
Hydroxychloroquine (HCQ), Placebo: Calcium citrate
Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Enrollment
128 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
2
States / cities
Brooklyn, New York • New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 21, 2022 · Synced Jun 10, 2026, 12:55 PM EDT
Terminated Phase 2 Interventional

Atovaquone and Azithromycin Combination for Confirmed COVID-19 Infection

NCT04339426
View directory record Official record
Conditions
Covid19
Interventions
Atovaquone/Azithromycin
Drug
Lead sponsor
HonorHealth Research Institute
Other
Eligibility
18 Years to 95 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Scottsdale, Arizona
Source: ClinicalTrials.gov public record
Updated Mar 3, 2022 · Synced Jun 10, 2026, 12:55 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Safety and Immunogenicity of Fluzone® Quadrivalent, Flublok® Quadrivalent, and Fluzone® High-Dose, Influenza Vaccines, 2018-2019 Formulations

NCT03617523
View directory record Official record
Conditions
Influenza
Interventions
Fluzone Quadrivalent vaccine, 2018-2019 formulation, Flublok Quadrivalent vaccine, 2018-2019 formulation, Fluzone High-Dose vaccine, 2018-2019 formulation
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
6 Months and older
Enrollment
240 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
3
States / cities
Bardstown, Kentucky • Metairie, Louisiana • Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Mar 28, 2022 · Synced Jun 10, 2026, 12:55 PM EDT
Completed No phase listed Observational Results available

Optimization and Refinement of Technique in In-Office Sinus Dilation 2

NCT01107379
View directory record Official record
Conditions
Sinusitis
Interventions
Relieva Balloon Sinuplasty System
Device
Lead sponsor
Integra LifeSciences Corporation
Industry
Eligibility
18 Years and older
Enrollment
203 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
3
States / cities
Birmingham, Alabama • Las Vegas, Nevada • Dublin, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 5, 2024 · Synced Jun 10, 2026, 12:55 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

COVID-19 Breastfeeding Guideline for African-Americans

NCT04476940
View directory record Official record
Conditions
Covid19, Exclusive Breastfeeding
Interventions
COVID-19 Breastfeeding Support
Behavioral
Lead sponsor
Meharry Medical College
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 22, 2023 · Synced Jun 10, 2026, 12:55 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Effect of a Medicated Topical Therapy , Petrolatum, and No Treatment on Nocturnal Cough

NCT00743990
View directory record Official record
Conditions
Respiratory Tract Diseases
Interventions
Ointment containing camphor, eucalyptus oil, and menthol, Petroleum jelly
Other
Lead sponsor
Penn State University
Other
Eligibility
2 Years to 11 Years
Enrollment
143 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 23, 2017 · Synced Jun 10, 2026, 12:55 PM EDT
Terminated Phase 2 Interventional Results available

PASS Study To Evaluate The Potential Of Zithromax To Cause Ocular Problems In Pediatric Patients

NCT01919996
View directory record Official record
Conditions
Pharyngitis, Tonsillitis
Interventions
Azithromycin
Drug
Lead sponsor
Pfizer
Industry
Eligibility
12 Years to 17 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
6
States / cities
Rancho Cordova, California • Chicago, Illinois • Murray, Utah + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 4, 2016 · Synced Jun 10, 2026, 12:55 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Single Group Study of the Safety of and Immune Response to a Bird Flu Virus Vaccine (H5N1) in Healthy Adults

NCT00488046
View directory record Official record
Conditions
Influenza, Virus Diseases
Interventions
H5N1 (6-2) AA ca Recombinant (A/Hong Kong/213/2003 x A/AnnArbor/6/60 ca)
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 49 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 19, 2007 · Synced Jun 10, 2026, 12:55 PM EDT
Completed Phase 2 Interventional Results available

Smell in COVID-19 and Efficacy of Nasal Theophylline (SCENT 3)

NCT05947643
View directory record Official record
Conditions
COVID-19
Interventions
theophylline, Placebo
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 75 Years
Enrollment
77 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Aug 19, 2025 · Synced Jun 10, 2026, 12:55 PM EDT
Completed Not applicable Interventional

Patient Centered Cloud-based Electronic System: Ambient Warning and Response Evaluation (ProCCESs AWARE)

NCT02039297
View directory record Official record
Conditions
Critical Illness, Sepsis, Respiratory Failure, Shock, Coma, Bleeding, Trauma
Interventions
Patient Centered Cloud-based Electronic System: Ambient Warning and Response Evaluation
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
7,813 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
6
States / cities
Scottsdale, Arizona • Jacksonville, Florida • Lawrence, Massachusetts + 3 more
Source: ClinicalTrials.gov public record
Updated Oct 23, 2017 · Synced Jun 10, 2026, 12:55 PM EDT
Completed Phase 3 Interventional Results available

A Study of Intravenous Zanamivir Versus Oral Oseltamivir in Adults and Adolescents Hospitalized With Influenza

NCT01231620
View directory record Official record
Conditions
Influenza, Human
Interventions
Zanamivir, Placebo to match zanamivir, Oseltamivir, Placebo to match oseltamivir
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
16 Years and older
Enrollment
626 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
40
States / cities
Birmingham, Alabama • Phoenix, Arizona • Chula Vista, California + 37 more
Source: ClinicalTrials.gov public record
Updated Oct 14, 2018 · Synced Jun 10, 2026, 12:55 PM EDT
Completed Not applicable Interventional Results available

Behavioral Economics to Improve Flu Vaccination Using EHR Nudges

NCT06057727
View directory record Official record
Conditions
Behavior, Health, Flu, Flu Vaccination
Interventions
Pre-visit patient text messaging, Default pended order, Monthly peer comparison feedback, High risk bidirectional pre-visit text messaging
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
50 Years and older
Enrollment
80,039 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
2
States / cities
Philadelphia, Pennsylvania • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Apr 26, 2025 · Synced Jun 10, 2026, 12:55 PM EDT
Completed Not applicable Interventional

Testing the Use of Prompts to Increase Adolescent Immunization Rates

NCT01984125
View directory record Official record
Conditions
Vaccine Preventable Diseases, Meningococcal Disease, Human Papillomavirus, Pertussis, Influenza
Interventions
Point-of-Care Prompt
Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
11 Years to 18 Years
Enrollment
7,040 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
22
States / cities
Little Rock, Arkansas • Wilmington, Delaware • Gainesville, Florida + 12 more
Source: ClinicalTrials.gov public record
Updated May 1, 2017 · Synced Jun 10, 2026, 12:55 PM EDT
Terminated No phase listed Interventional Results available

Functionality and Accuracy of the smART System in Real-Life ICU Settings

NCT03198988
View directory record Official record
Conditions
Aspiration Pneumonia
Interventions
smART Feeding Tube System
Device
Lead sponsor
ART Medical Ltd.
Industry
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 12, 2023 · Synced Jun 10, 2026, 12:55 PM EDT
Completed No phase listed Observational

HIV Infection and Tobacco Use Among Injection Drug Users in Baltimore, Maryland: A Pilot Study of Biomarkers

NCT00491335
View directory record Official record
Conditions
HIV Infections, AIDS, Lung Cancer, Tobacco Addiction, Drug Addiction
Interventions
Not listed
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
17 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Jun 10, 2026, 12:55 PM EDT
Active, not recruiting Not applicable Interventional

Frequent Standardized Oral Care to Improve Health Outcomes in Premature Infants in the Neonatal Intensive Care Unit

NCT05167318
View directory record Official record
Conditions
Microbial Colonization, Ventilator Associated Pneumonia
Interventions
frequent standardized oral care
Other
Lead sponsor
University of Florida
Other
Eligibility
12 Hours to 72 Hours
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated May 17, 2026 · Synced Jun 10, 2026, 12:55 PM EDT