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Showing 1–24 of 156 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Upper Respiratory Tract Infection Clear all
Completed Not applicable Interventional Results available

Homeopathic Cold Medicine for Children

NCT00858494
View directory record Official record
Conditions
Upper Respiratory Tract Infection
Interventions
Hyland's Cold 'n Cough 4 Kids
Drug
Lead sponsor
University of Washington
Other
Eligibility
24 Months to 59 Months
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jul 25, 2018 · Synced Sep 24, 2026, 4:21 AM EDT
Completed No phase listed Observational Results available

The Natural History of Viral Upper Respiratory Infections in Children Aged 6 to Less Than 14 Years

NCT00405509
View directory record Official record
Conditions
Upper Respiratory Infection, Common Cold
Interventions
Not listed
Lead sponsor
West Penn Allegheny Health System
Other
Eligibility
6 Years to 13 Years
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 18, 2016 · Synced Sep 24, 2026, 4:21 AM EDT
Completed Not applicable Interventional Results available

Procalcitonin Antibiotic Consensus Trial (ProACT)

NCT02130986
View directory record Official record
Conditions
Lower Respiratory Tract Infection (LRTI)
Interventions
Procalcitonin level, Results of procalcitonin (PCT) level to treating clinician, Provide procalcitonin guideline to treating clinician, Telephone Visit
Other
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
1,664 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
13
States / cities
Birmingham, Alabama • Phoenix, Arizona • Orange, California + 8 more
Source: ClinicalTrials.gov public record
Updated Jan 14, 2019 · Synced Sep 24, 2026, 4:21 AM EDT
Completed No phase listed Observational

Prospective Clinical Evaluation of the FilmArray® Lower Respiratory Tract Infection (LRTI) Panel

NCT03361670
View directory record Official record
Conditions
Lower Resp Tract Infection
Interventions
Observational Study
Other
Lead sponsor
BioFire Diagnostics, LLC
Industry
Eligibility
Not listed
Enrollment
1,689 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
8
States / cities
Los Angeles, California • Maywood, Illinois • Indianapolis, Indiana + 3 more
Source: ClinicalTrials.gov public record
Updated Dec 4, 2017 · Synced Sep 24, 2026, 4:21 AM EDT
Recruiting Phase 2 Interventional

Omalizumab Before Onset of Exacerbations

NCT05332067
View directory record Official record
Conditions
Asthma in Children, Atopy, Viral Upper Respiratory Infection
Interventions
Omalizumab, Placebo
Drug
Lead sponsor
Children's National Research Institute
Other
Eligibility
6 Years to 17 Years
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2028
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Jul 13, 2025 · Synced Sep 24, 2026, 4:21 AM EDT
Completed Phase 2 Interventional Results available

A Study to Assess EDP-938 for the Treatment of Acute Upper Respiratory Tract Infection With Respiratory Syncytial Virus in Adult Subjects

NCT04196101
View directory record Official record
Conditions
Respiratory Syncytial Virus
Interventions
EDP-938, Placebo
Drug
Lead sponsor
Enanta Pharmaceuticals, Inc
Industry
Eligibility
18 Years to 75 Years
Enrollment
82 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
12
States / cities
Birmingham, Alabama • Pelham, Alabama • Anaheim, California + 9 more
Source: ClinicalTrials.gov public record
Updated Oct 29, 2023 · Synced Sep 24, 2026, 4:21 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Phase 1 Study of BLB-201 Vaccine in Healthy Young and Older Adults

NCT05281263
View directory record Official record
Conditions
Respiratory Syncytial Virus Infections
Interventions
CPI-RSV-F Vaccine (BLB-201)
Biological
Lead sponsor
Blue Lake Biotechnology Inc.
Industry
Eligibility
18 Years to 75 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
2
States / cities
Cincinnati, Ohio • North Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Dec 20, 2023 · Synced Sep 24, 2026, 4:21 AM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers

Characterizing the Human Airway Immune Response to FluMist Vaccination

NCT07177417
View directory record Official record
Conditions
Healthy Young Adults, Influenza Vaccines, Influenza Vaccine Response
Interventions
FluMist, inactivated influenza vaccine, bronchoscopy
Biological · Procedure
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 40 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Sep 16, 2025 · Synced Sep 24, 2026, 4:21 AM EDT
Recruiting Phase 2 Interventional

A Study of S-337395 in Symptomatic Nonhospitalized Adults With Respiratory Syncytial Virus (RSV) Who Are at High Risk of Progression to Severe Disease

NCT07214571
View directory record Official record
Conditions
Respiratory Syncytial Virus Infections
Interventions
S-337395, Placebo
Drug
Lead sponsor
Shionogi
Industry
Eligibility
18 Years and older
Enrollment
192 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
36
States / cities
Los Angeles, California • Modesto, California • Toluca Lake, California + 22 more
Source: ClinicalTrials.gov public record
Updated Aug 10, 2026 · Synced Sep 24, 2026, 4:21 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Wide Scale Monitoring for Acute Respiratory Infection Using a Mobile-Based Study Platform

NCT04663776
View directory record Official record
Conditions
Covid19, Influenza, Respiratory Tract Infections, Acute Respiratory Tract Infection, Acute Respiratory Distress Syndrome
Interventions
Not listed
Lead sponsor
Boston Children's Hospital
Other
Eligibility
18 Years and older
Enrollment
16,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 6, 2022 · Synced Sep 24, 2026, 4:21 AM EDT
Recruiting Phase 2 Interventional

Remdesivir for the Treatment of Upper Respiratory Tract Infection Due to RSV in Immunocompromised Individuals

NCT06817889
View directory record Official record
Conditions
Hematopoietic and Lymphatic System Neoplasm, Autoimmune Disease, Respiratory Syncytial Virus Infection
Interventions
Remdesivir, Survey Administration, Biospecimen Collection, Nasal Swab
Drug · Other · Procedure
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
3
States / cities
Duarte, California • Houston, Texas • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Aug 5, 2026 · Synced Sep 24, 2026, 4:21 AM EDT
Recruiting Not applicable Interventional

The Impact of MeMed BV® on Management of Patients With Suspected Lower Respiratory Tract Infections (LRTI) in the Emergency Department (ED) and Urgent Care Center (UCC) ("JUPITER" TRIAL)

NCT05762302
View directory record Official record
Conditions
Lower Respiratory Tract Infection
Interventions
MeMed BV test
Diagnostic Test
Lead sponsor
MeMed Diagnostics Ltd.
Industry
Eligibility
18 Years to 99 Years
Enrollment
1,316 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
8
States / cities
Jacksonville, Florida • Kansas City, Kansas • Brooklyn, New York + 5 more
Source: ClinicalTrials.gov public record
Updated Jan 20, 2026 · Synced Sep 24, 2026, 4:21 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

New Reusable Mask Design With Superior Filtration and Fit

NCT04826809
View directory record Official record
Conditions
Covid19, Tuberculosis, Respiratory Viral Infection
Interventions
N95 mask, Nordell single E-100 layer mask, Nordell double E-100 layer mask
Device
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
41 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Mankato, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 6, 2023 · Synced Sep 24, 2026, 4:21 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Non-invasive Biometric Monitoring in Nursing Homes to Fight COVID-19

NCT04548895
View directory record Official record
Conditions
Covid19, Community-Acquired Respiratory Tract Infection
Interventions
Observational measurement of biometric data. No change to health care provided.
Device
Lead sponsor
Health Stream Analytics, LLC
Industry
Eligibility
Not listed
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Pasco, Washington
Source: ClinicalTrials.gov public record
Updated Jun 10, 2021 · Synced Sep 24, 2026, 4:21 AM EDT
Recruiting Phase 4 Interventional

Gastrointestinal Dysmotility on Aspiration Risk

NCT05455359
View directory record Official record
Conditions
Esophageal Motility Disorders, Gastric Motor Dysfunction, Aspiration Pneumonia, Gastro Esophageal Reflux
Interventions
Prucalopride, Famotidine
Drug
Lead sponsor
Boston Children's Hospital
Other
Eligibility
5 Years to 21 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 2, 2026 · Synced Sep 24, 2026, 4:21 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Allele-specific Expression of a Bitter Taste Receptor

NCT02766959
View directory record Official record
Conditions
Rhinosinusitis
Interventions
Observational study
Other
Lead sponsor
Monell Chemical Senses Center
Other
Eligibility
21 Years to 50 Years
Enrollment
57 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
3
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 17, 2018 · Synced Sep 24, 2026, 4:21 AM EDT
Withdrawn Not applicable Interventional

Comparison of Supportive Therapies for Symptom Relief From Pediatric Upper Respiratory Infections (URIs)

NCT01814293
View directory record Official record
Conditions
Acute Upper Respiratory Infection, Signs and Symptoms
Interventions
Handheld humidifier
Device
Lead sponsor
University of California, San Francisco
Other
Eligibility
Up to 18 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated May 14, 2015 · Synced Sep 24, 2026, 4:21 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Safety of and Immune Response to a Human Parainfluenza Virus Vaccine (rHPIV3cp45) in Healthy Infants

NCT00308412
View directory record Official record
Conditions
Paramyxoviridae Infections, Virus Diseases
Interventions
rHPIV3cp45, Placebo
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
6 Months to 36 Months
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2010
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 15, 2010 · Synced Sep 24, 2026, 4:21 AM EDT
Not listed No phase listed Observational

A Multi-Site Clinical Evaluation of the ARIES Flu Assay in Symptomatic Patients

NCT02087761
View directory record Official record
Conditions
Respiratory Tract Infection, Bronchitis, Pneumonia
Interventions
Not listed
Lead sponsor
Luminex Corporation
Industry
Eligibility
Not listed
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2015
U.S. locations
3
States / cities
St Louis, Missouri • Lake Success, New York • Temple, Texas
Source: ClinicalTrials.gov public record
Updated Mar 1, 2016 · Synced Sep 24, 2026, 4:21 AM EDT
Completed Phase 3 Interventional

Ribavirin Compared With Standard Care in Treating Patients With Respiratory Syncytial Virus Following Stem Cell Transplantation

NCT00016081
View directory record Official record
Conditions
Infection
Interventions
ribavirin
Drug
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
2 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
1998 – 2003
U.S. locations
4
States / cities
Birmingham, Alabama • Chicago, Illinois • St Louis, Missouri + 1 more
Source: ClinicalTrials.gov public record
Updated Mar 29, 2010 · Synced Sep 24, 2026, 4:21 AM EDT
Terminated Phase 4 Interventional Results available

Acute Cough Study In Children

NCT01257542
View directory record Official record
Conditions
Common Cold, Infections, Upper Respiratory Tract
Interventions
Dextromethorphan, Placebo
Drug
Lead sponsor
Pfizer
Industry
Eligibility
6 Years to 11 Years
Enrollment
140 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
4
States / cities
Pinellas Park, Florida • Indianapolis, Indiana • Gresham, Oregon + 1 more
Source: ClinicalTrials.gov public record
Updated Sep 19, 2012 · Synced Sep 24, 2026, 4:21 AM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Shifts in the Respiratory Microbiome and Clinical Outcomes of SARS-CoV-2

NCT04815018
View directory record Official record
Conditions
SARS-CoV-2 Infection, Bacterial Respiratory Tract Infection, Viral Respiratory Tract Infection
Interventions
Not listed
Lead sponsor
Pathnostics
Industry
Eligibility
60 Years and older
Enrollment
185 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
4
States / cities
Delaware, Ohio • Granville, Ohio • Westerville, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 29, 2021 · Synced Sep 24, 2026, 4:21 AM EDT
Completed Not applicable Interventional Results available

Homeopathic Cold Remedy for Children Study

NCT01257503
View directory record Official record
Conditions
Upper Respiratory Tract Infections
Interventions
Hyland's Cold 'n Cough 4 kids, placebo
Drug
Lead sponsor
University of Washington
Other
Eligibility
2 Years to 5 Years
Enrollment
263 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jan 13, 2015 · Synced Sep 24, 2026, 4:21 AM EDT
Not listed Not applicable Interventional

Dialogue Around Respiratory Illness Treatment

NCT02943551
View directory record Official record
Conditions
Respiratory Disease, Acute Respiratory Infection, Respiratory Infection, Upper Respiratory Infection
Interventions
Online Tutorial, Webinars, Booster Sessions, Feedback Reports, Parent Survey
Other
Lead sponsor
Seattle Children's Hospital
Other
Eligibility
6 Months to 10 Years
Enrollment
2,728 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
20
States / cities
Paragould, Arkansas • Eureka, California • Durango, Colorado + 16 more
Source: ClinicalTrials.gov public record
Updated Jul 15, 2019 · Synced Sep 24, 2026, 4:21 AM EDT