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Showing 1–24 of 57 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Non-allergic Rhinitis Clear all
Not listed Phase 2 Interventional Accepts healthy volunteers

Efficacy Study of A Lotion to Prevent Common Colds

NCT00993759
View directory record Official record
Conditions
Common Cold, Healthy
Interventions
3804-250A
Drug
Lead sponsor
The Dial Corporation
Industry
Eligibility
18 Years to 40 Years
Enrollment
212 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Oct 11, 2009 · Synced Sep 9, 2026, 2:39 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Intranasal Capsaicin Treatment for Non-Allergic Irritant Rhinitis

NCT02493257
View directory record Official record
Conditions
Nonallergic Irritant Rhinitis
Interventions
Capsaicin, Placebo
Drug
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years to 70 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2019
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 16, 2020 · Synced Sep 9, 2026, 2:39 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Safety and Efficacy Study of Oral XIGO Tablets to Treat The Common Cold

NCT01092039
View directory record Official record
Conditions
Common Cold
Interventions
lactoferrin, L-Glutamine and beta-glucans, Placebo Comparator
Dietary Supplement
Lead sponsor
Xigo Health LLC
Industry
Eligibility
18 Years to 50 Years
Enrollment
140 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Fall River, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 23, 2012 · Synced Sep 9, 2026, 2:39 AM EDT
Completed Not applicable Interventional

Impact of HLNatural Immune Supplement on Colds

NCT04103099
View directory record Official record
Conditions
Immune System Diseases
Interventions
HLNatural Immune
Dietary Supplement
Lead sponsor
Hawthorne Effect Inc.
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Lafayette, California
Source: ClinicalTrials.gov public record
Updated Nov 14, 2021 · Synced Sep 9, 2026, 2:39 AM EDT
Completed Phase 3 Interventional

Echinacea Versus Placebo Effect in Common Cold (Physician Echinacea Placebo)

NCT00065715
View directory record Official record
Conditions
Common Cold
Interventions
Echinacea, Blinded placebo
Dietary Supplement · Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
12 Years and older
Enrollment
719 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2013
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Dec 3, 2014 · Synced Sep 9, 2026, 2:39 AM EDT
Completed Phase 4 Interventional

Investigation of the Efficacy and Safety of Concomitant Administration of Ciclesonide Nasal Spray and Azelastine Nasal Spray in Patients (18 Years or Older) With Perennial Allergic Rhinitis (PAR) Not Adequately Controlled on an Intranasal Corticosteroid or Antihistamine Monotherapy (BY9010/M1-490)

NCT00806754
View directory record Official record
Conditions
Rhinitis, Allergic, Perennial
Interventions
Ciclesonide nasal spray + placebo Azelastine, Ciclesonide nasal spray + Azelastine
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years and older
Enrollment
340 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
35
States / cities
Encinitas, California • Los Angeles, California • Mission Viejo, California + 32 more
Source: ClinicalTrials.gov public record
Updated Nov 22, 2016 · Synced Sep 9, 2026, 2:39 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 11, 2026 · Synced Sep 9, 2026, 2:39 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Nasal Swab Study to Explore the Nasal Microbia

NCT02535442
View directory record Official record
Conditions
Common Cold
Interventions
Not listed
Lead sponsor
Kimberly-Clark Corporation
Industry
Eligibility
18 Years to 60 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Spartanburg, South Carolina
Source: ClinicalTrials.gov public record
Updated Jul 3, 2016 · Synced Sep 9, 2026, 2:39 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Echinacea and Acute Respiratory Illness

NCT02003651
View directory record Official record
Conditions
Acute Respiratory Infections
Interventions
Quick Defense, Placebo
Dietary Supplement
Lead sponsor
Appalachian State University
Other
Eligibility
18 Years to 55 Years · Female only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Kannapolis, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 12, 2016 · Synced Sep 9, 2026, 2:39 AM EDT
Not listed Phase 4 Interventional

Singulair Use in Non-Allergic Rhinitis Eosinophil Syndrome (NARES)

NCT00406094
View directory record Official record
Conditions
Rhinitis
Interventions
montelukast, placebo
Drug
Lead sponsor
Bernstein, Jonathan A., M.D.
Individual
Eligibility
18 Years to 65 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 15, 2009 · Synced Sep 9, 2026, 2:39 AM EDT
Completed Not applicable Interventional Results available

Rapid Diagnostics for Upper Respiratory Infections in the Emergency Department

NCT02957136
View directory record Official record
Conditions
Respiratory Tract Infections, Influenza, Human, Common Cold
Interventions
Rapid respiratory pathogen nucleic acid amplification test
Device
Lead sponsor
University of California, Davis
Other
Eligibility
1 Year to 101 Years
Enrollment
194 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated May 18, 2021 · Synced Sep 9, 2026, 2:39 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 17, 2020 · Synced Sep 9, 2026, 2:39 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 9, 2026, 2:39 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 9, 2026, 2:39 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 4, 2026 · Synced Sep 9, 2026, 2:39 AM EDT
Completed Phase 2 Interventional Results available

Effect of Simethicone on Eustachian Tube Dysfunction

NCT01312038
View directory record Official record
Conditions
Otitis Media
Interventions
Simethicone, Placebo
Drug
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 50 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 26, 2016 · Synced Sep 9, 2026, 2:39 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Sex Differences in Cold-Induced Changes in Maximal Fat Oxidation

NCT07297823
View directory record Official record
Conditions
Exercise
Interventions
Cold temperature, Room Temperature
Other
Lead sponsor
Colorado State University
Other
Eligibility
18 Years to 40 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Fort Collins, Colorado
Source: ClinicalTrials.gov public record
Updated May 14, 2026 · Synced Sep 9, 2026, 2:39 AM EDT
Completed Phase 2 Interventional Results available

Mucinex Exploratory Cold Study

NCT01046136
View directory record Official record
Conditions
Common Cold
Interventions
guaifenesin (Mucinex), placebo
Drug
Lead sponsor
Reckitt Benckiser Inc.
Industry
Eligibility
12 Years and older
Enrollment
378 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2009
U.S. locations
1
States / cities
Bellevue, Nebraska
Source: ClinicalTrials.gov public record
Updated Dec 29, 2020 · Synced Sep 9, 2026, 2:39 AM EDT
Active, not recruiting Not applicable Interventional

A Study of RhinAer Stylus for Treating Chronic Rhinitis

NCT06599736
View directory record Official record
Conditions
Chronic Rhinitis
Interventions
RhinAer Stylus
Device
Lead sponsor
Aerin Medical
Industry
Eligibility
22 Years to 85 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
2
States / cities
Colorado Springs, Colorado • Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 11, 2026 · Synced Sep 9, 2026, 2:39 AM EDT
Completed Phase 3 Interventional

A Multicenter Study of Pseudoephedrine for the Temporary Relief of Nasal Congestion in Children With the Common Cold

NCT01744106
View directory record Official record
Conditions
Nasal Congestion Associated With the Common Cold
Interventions
pseudoephedrine hydrochloride 30 mg tablets, Placebo tablets
Drug
Lead sponsor
Perrigo Company
Industry
Eligibility
6 Years to 11 Years
Enrollment
565 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
11
States / cities
Anaheim, California • Costa Mesa, California • Boise, Idaho + 8 more
Source: ClinicalTrials.gov public record
Updated Apr 21, 2016 · Synced Sep 9, 2026, 2:39 AM EDT
Completed Phase 2 Interventional

Evaluation of Echinacea for the Common Cold

NCT00032500
View directory record Official record
Conditions
Common Cold
Interventions
Echinacea
Drug
Lead sponsor
National Center for Complementary and Integrative Health (NCCIH)
NIH
Eligibility
Not listed
Timeline
2001 – 2004
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Aug 17, 2006 · Synced Sep 9, 2026, 2:39 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Diesel Exhaust Followed by Administration of Nasal Spray Flu Vaccine on Individuals With & Without Allergies

NCT00617110
View directory record Official record
Conditions
Allergic Rhinitis
Interventions
live attenuated influenza virus (LAIV) with clean air, LAIV and diesel exhaust particles
Other
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 35 Years
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2014
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 2, 2015 · Synced Sep 9, 2026, 2:39 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Nasal Physiologic Reactivity of Nonallergic Rhinitics to Cold Air Provocation

NCT00415493
View directory record Official record
Conditions
Vasomotor Rhinitis
Interventions
Cold-dry air provocation, Warm-moist air provocation
Other
Lead sponsor
Associated Scientists to Help Minimize Allergies
Other
Eligibility
18 Years to 60 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Mar 5, 2017 · Synced Sep 9, 2026, 2:39 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effect of Probiotic on the Innate and Adaptive Host Response to Rhinovirus (EPIARR)

NCT01669603
View directory record Official record
Conditions
Common Cold
Interventions
Bifidobacterium lactis Bl-04, Placebo, Rhinovirus
Dietary Supplement · Biological
Lead sponsor
University of Virginia
Other
Eligibility
18 Years to 60 Years
Enrollment
789 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2016
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Apr 24, 2017 · Synced Sep 9, 2026, 2:39 AM EDT