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ClinicalTrials.gov public records Last synced Oct 6, 2026, 3:08 AM EDT

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Showing 97–120 of 157 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Upper Respiratory Tract Infection Clear all
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 16, 2019 · Synced Oct 6, 2026, 3:08 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Walnut and Immunity Study

NCT05915390
View directory record Official record
Conditions
Immune Response, Upper Respiratory Tract Infection
Interventions
walnuts, Habitual diet
Dietary Supplement
Lead sponsor
Loma Linda University
Other
Eligibility
55 Years to 75 Years
Enrollment
52 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Loma Linda, California
Source: ClinicalTrials.gov public record
Updated Oct 2, 2024 · Synced Oct 6, 2026, 3:08 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

A Clinical Study to Determine if Beta Glucan Reduces the Incidence, Duration or Severity of URTIs Among Skiers

NCT05917015
View directory record Official record
Conditions
Upper Respiratory Tract Infections, Mental Stress
Interventions
Treatment, Placebo
Dietary Supplement · Other
Lead sponsor
USANA Health Sciences
Industry
Eligibility
18 Years to 30 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Park City, Utah
Source: ClinicalTrials.gov public record
Updated Jun 23, 2023 · Synced Oct 6, 2026, 3:08 AM EDT
Completed No phase listed Observational

Diagnosing Respiratory Disease in Children Using Cough Sounds

NCT02973282
View directory record Official record
Conditions
Pneumonia, Bronchiolitis, Asthma, Croup, Upper Respiratory Tract Infection, Lower Respiratory Tract Infection, Reactive Airway Disease
Interventions
Recording of Infants and Children's Cough Sounds
Other
Lead sponsor
ResApp Health Limited
Industry
Eligibility
29 Days to 12 Years
Enrollment
1,245 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
3
States / cities
Boston, Massachusetts • Cleveland, Ohio • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jan 5, 2018 · Synced Oct 6, 2026, 3:08 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Study Evaluating the Pharmacokinetics of Doxylamine Succinate in Children

NCT00796315
View directory record Official record
Conditions
Allergic Rhinitis, Upper Respiratory Infection
Interventions
Doxylamine Succinate USP
Drug
Lead sponsor
Procter and Gamble
Industry
Eligibility
2 Years to 18 Years
Enrollment
41 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
6
States / cities
Washington D.C., District of Columbia • Louisville, Kentucky • Shreveport, Louisiana + 3 more
Source: ClinicalTrials.gov public record
Updated Feb 4, 2013 · Synced Oct 6, 2026, 3:08 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Study of BPZE1 Intranasal Pertussis Vaccine (Administered Via VaxINator(TM)), Prime + Boost, in Healthy Adults

NCT03942406
View directory record Official record
Conditions
Pertussis, Whooping Cough
Interventions
BPZE1 pertussis vaccine and VaxINator(TM) Atomization Device
Combination Product
Lead sponsor
ILiAD Biotechnologies
Industry
Eligibility
18 Years to 50 Years
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
3
States / cities
Cleveland, Ohio • Tomball, Texas • West Jordan, Utah
Source: ClinicalTrials.gov public record
Updated Jun 27, 2023 · Synced Oct 6, 2026, 3:08 AM EDT
Enrolling by invitation Not applicable Interventional

Point of Care Respiratory Pathogen Testing for Antibiotic Stewardship in Primary Care

NCT06765135
View directory record Official record
Conditions
Upper Respiratory Infection
Interventions
Clinician Survey, Focus Group, Biofire Spotfire Respiratory (R) panel, Patient Survey
Behavioral · Diagnostic Test
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
8,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 19, 2026 · Synced Oct 6, 2026, 3:08 AM EDT
Completed No phase listed Observational

Long Term Patency Following Arterial Repair

NCT02228057
View directory record Official record
Conditions
Upper Extremity Arterial Surgery
Interventions
Not listed
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 13, 2015 · Synced Oct 6, 2026, 3:08 AM EDT
Terminated Phase 2 Interventional Results available

Effects of JNJ-53718678 in Adult and Adolescent Participants Who Had a Hematopoietic Stem Cell Transplantation and Who Are Infected With Respiratory Syncytial Virus (RSV)

NCT04056611
View directory record Official record
Conditions
Respiratory Syncytial Virus Infections
Interventions
JNJ-53718678 250 mg, Placebo, JNJ-53718678 125 mg
Drug
Lead sponsor
Janssen Sciences Ireland UC
Industry
Eligibility
13 Years to 75 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
9
States / cities
Los Angeles, California • Detroit, Michigan • Minneapolis, Minnesota + 6 more
Source: ClinicalTrials.gov public record
Updated Feb 4, 2025 · Synced Oct 6, 2026, 3:08 AM EDT
Completed Phase 2 Interventional Results available

RI-001 in Immunosuppressed Respiratory Syncytial Virus (RSV) Infected Patients at Risk of Lower Tract RSV Illness

NCT00632463
View directory record Official record
Conditions
Upper Respiratory Tract Infection, Lower Respiratory Tract Infection
Interventions
RI-001
Biological
Lead sponsor
ADMA Biologics, Inc.
Industry
Eligibility
2 Years to 65 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
15
States / cities
San Francisco, California • Aurora, Colorado • Washington D.C., District of Columbia + 11 more
Source: ClinicalTrials.gov public record
Updated Apr 24, 2013 · Synced Oct 6, 2026, 3:08 AM 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 24, 2017 · Synced Oct 6, 2026, 3:08 AM EDT
Completed Phase 4 Interventional Results available

Evaluate the Potential of Montelukast to Prevent Nasal Symptomatology During Colds

NCT00189475
View directory record Official record
Conditions
Upper Respiratory Infection
Interventions
Montelukast, Placebo
Drug
Lead sponsor
Deborah Gentile
Other
Eligibility
18 Years to 50 Years
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2007
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 18, 2020 · Synced Oct 6, 2026, 3:08 AM EDT
Completed Phase 2Phase 3 Interventional Results available

Safety and Efficacy of Mucinex and IR Guaifenesin the Treatment of Symptoms of Acute Upper Respiratory Tract Infections

NCT01537081
View directory record Official record
Conditions
Acute Upper Respiratory Tract Infection
Interventions
Mucinex, Immediate-release Guaifenesin, Placebo
Drug
Lead sponsor
Reckitt Benckiser LLC
Industry
Eligibility
12 Years and older
Enrollment
2,810 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
43
States / cities
Hoover, Alabama • Bell Gardens, California • Harbor City, California + 38 more
Source: ClinicalTrials.gov public record
Updated Nov 14, 2013 · Synced Oct 6, 2026, 3:08 AM EDT
Completed Not applicable Interventional

Primary Care Clinician Commitments to Choosing Wisely®

NCT02247050
View directory record Official record
Conditions
Health Services Misuse, Physician's Practice Patterns, Guideline Adherence, Unnecessary Procedures, Health Care Costs
Interventions
Commitment invitation
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
21 Years and older
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
6
States / cities
Ann Arbor, Michigan • Brighton, Michigan • Canton, Michigan + 1 more
Source: ClinicalTrials.gov public record
Updated May 6, 2016 · Synced Oct 6, 2026, 3:08 AM EDT
Terminated Phase 3 Interventional

Ribavirin to Prevent RSV Pneumonia in Bone Marrow Transplant Patients

NCT00031473
View directory record Official record
Conditions
Respiratory Syncytial Virus Infections
Interventions
Virazole (Ribavirin) Inhalation Solution
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
5 Years to 60 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1997 – 2003
U.S. locations
11
States / cities
Birmingham, Alabama • Duarte, California • San Francisco, California + 8 more
Source: ClinicalTrials.gov public record
Updated Aug 27, 2010 · Synced Oct 6, 2026, 3:08 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Three Arm Trial of Immune Effects of Echinacea

NCT01129128
View directory record Official record
Conditions
Upper Respiratory Tract Infections
Interventions
Echinacea purpurea product, Placebo
Biological
Lead sponsor
University of Washington
Other
Eligibility
21 Years to 65 Years
Enrollment
67 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Kenmore, Washington
Source: ClinicalTrials.gov public record
Updated Jun 21, 2012 · Synced Oct 6, 2026, 3:08 AM EDT
Completed Phase 3 Interventional

Vitamin D for Enhancing the Immune System in Cystic Fibrosis (DISC Study)

NCT01426256
View directory record Official record
Conditions
Cystic Fibrosis, Respiratory Tract Infections
Interventions
Cholecalciferol
Dietary Supplement
Lead sponsor
Emory University
Other
Eligibility
16 Years and older
Enrollment
91 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2017
U.S. locations
5
States / cities
Birmingham, Alabama • Atlanta, Georgia • Iowa City, Iowa + 2 more
Source: ClinicalTrials.gov public record
Updated Jul 13, 2017 · Synced Oct 6, 2026, 3:08 AM EDT
Terminated Not applicable Interventional

A Novel Formulation of Pasteurized Maple Cough Syrup Compared With Placebo on Nocturnal Cough and Sleep Quality in Infants With Upper Respiratory Infection

NCT01588249
View directory record Official record
Conditions
Cough, Upper Respiratory Infection, Nocturnal Cough
Interventions
Pasteurized maple syrup, Placebo
Dietary Supplement
Lead sponsor
Zarbee's Inc.
Industry
Eligibility
Up to 12 Months
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012
U.S. locations
3
States / cities
Draper, Utah • South Jordan, Utah • West Jordan, Utah
Source: ClinicalTrials.gov public record
Updated Oct 11, 2012 · Synced Oct 6, 2026, 3:08 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Immune Defense Protein Impact On Respiratory Immune Outcomes

NCT07431840
View directory record Official record
Conditions
Upper Respiratory Disease, Influenza, Viral Upper Respiratory Infection
Interventions
Immune Defense Protein 50mg Dose, IDP 200mg Dose, Matching Placebo
Dietary Supplement
Lead sponsor
Quantec Ltd
Industry
Eligibility
60 Years and older
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 12, 2026 · Synced Oct 6, 2026, 3:08 AM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Flublok v. Standard Dose Vaccine Effectiveness Among Kaiser Permanente Northern California Adults 18-64 Years

NCT03694392
View directory record Official record
Conditions
Influenza, Pneumonia, Lower Respiratory Tract Infection, Acute Myocardial Infarction, Congestive Heart Failure, Stroke
Interventions
Flublok Quadrivalent, Standard Dose Inactivated Influenza Vaccine (SD-IIV)
Biological
Lead sponsor
Kaiser Permanente
Other
Eligibility
18 Years to 64 Years
Enrollment
2,776,278 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2022
U.S. locations
1
States / cities
Oakland, California
Source: ClinicalTrials.gov public record
Updated Apr 8, 2025 · Synced Oct 6, 2026, 3:08 AM EDT
Completed No phase listed Observational

A Rapid Test for Acute Respiratory Illness

NCT03192072
View directory record Official record
Conditions
Respiratory Tract Infection Acute, Transcriptome, Virus Disease, Bacterial Infections
Interventions
Host Gene Expression
Diagnostic Test
Lead sponsor
Duke University
Other
Eligibility
2 Years and older
Enrollment
783 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
10
States / cities
Davis, California • Boston, Massachusetts • Newton, Massachusetts + 7 more
Source: ClinicalTrials.gov public record
Updated May 27, 2020 · Synced Oct 6, 2026, 3:08 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Stopping Upper Respiratory Infections and Flu in the Family: The Stuffy Trial

NCT00448981
View directory record Official record
Conditions
Respiratory Tract Infections, Common Cold
Interventions
Education, Hand Sanitizer, Face Masks
Behavioral · Device
Lead sponsor
Centers for Disease Control and Prevention
Federal
Eligibility
Not listed
Enrollment
2,788 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 5, 2026 · Synced Oct 6, 2026, 3:08 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

A Study to Evaluate the Safety and Efficacy of MEDI8897 for the Prevention of Medically Attended RSV LRTI in Healthy Preterm Infants.

NCT02878330
View directory record Official record
Conditions
Respiratory Syncytial Virus Infections
Interventions
MEDI8897, Placebo
Drug
Lead sponsor
MedImmune LLC
Industry
Eligibility
Up to 365 Days
Enrollment
1,453 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
60
States / cities
Birmingham, Alabama • Anaheim, California • Downey, California + 53 more
Source: ClinicalTrials.gov public record
Updated Oct 14, 2019 · Synced Oct 6, 2026, 3:08 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

A Prospective, Epidemiological Study to Assess the Disease Burden of Respiratory Syncytial Virus Associated, Suspected Lower Respiratory Tract Infections in Newborns, From 0 to 2 Years of Age and Risk of Development of Wheeze and Asthma From 0 to 6 Years of Age

NCT01995175
View directory record Official record
Conditions
Respiratory Syncytial Virus
Interventions
Nasal swab sampling, Blood sampling, Diary cards
Procedure · Other
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
Up to 6 Years
Enrollment
2,409 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2021
U.S. locations
9
States / cities
Oakland, California • Sacramento, California • Santa Clara, California + 5 more
Source: ClinicalTrials.gov public record
Updated Nov 29, 2022 · Synced Oct 6, 2026, 3:08 AM EDT