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Showing 1–22 of 22 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Nasal Inflammation Clear all
Completed Not applicable Interventional Accepts healthy volunteers Results available

Human Biological Responses to Low Level Ozone

NCT02857283
View directory record Official record
Conditions
Environmental Exposure, Nasal Inflammation
Interventions
Ozone, Filtered Air, Health and Exposure Tracker (HET)
Other · Device
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 50 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated May 13, 2021 · Synced Jul 21, 2026, 10:10 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

"Anticipatory Guidance in the Nursery and Its Impact on Non-urgent Emergency Department Visits"

NCT01859065
View directory record Official record
Conditions
Health Knowledge, Attitudes, Practice, Sneezing, Constipation, Nasal Congestion and Inflammations
Interventions
Intensified anticipatory guidance, Routine
Behavioral
Lead sponsor
Bronx-Lebanon Hospital Center Health Care System
Other
Eligibility
Female only
Enrollment
323 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated May 20, 2013 · Synced Jul 21, 2026, 10:10 PM EDT
Completed Phase 1 Interventional

Alleviation of Common Cold Symptoms

NCT06106880
View directory record Official record
Conditions
Common Cold, Pharyngitis, Fever, Congestion, Rhinorrhea, Cough, Sore-throat, Sore Throats Viral, Malaise, Headache, Runny Nose, Sneezing
Interventions
Wintergreen Throat Spray and Aspirin Tablet, Aspirin Throat Spray and Placebo Tablet, Wintergreen Throat Spray and Placebo Tablet, Placebo Throat Spray and Placebo Tablet
Drug · Dietary Supplement · Other
Lead sponsor
Applied Biological Laboratories Inc
Other
Eligibility
18 Years to 65 Years
Enrollment
157 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
6
States / cities
Irvine, California • Washington D.C., District of Columbia • Atlanta, Georgia + 3 more
Source: ClinicalTrials.gov public record
Updated Jan 15, 2024 · Synced Jul 21, 2026, 10:10 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Evaluation of Acute and Subacute Effects of Nicotine Free Electronic Cigarette(NCFE) Vapors

NCT02585791
View directory record Official record
Conditions
Healthy Lifetime Non-smokers
Interventions
Propylene Glycol, vegetable glycerin, PG+VG
Other
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Jan 13, 2020 · Synced Jul 21, 2026, 10:10 PM EDT
Completed Phase 3 Interventional

A Randomized Clinical Trial to Prevent Recurrent CA-MRSA Infection

NCT00560599
View directory record Official record
Conditions
Methicillin Resistant Staphylococcus Aureus Skin Infections
Interventions
mupirocin and chlorhexidine, household cleaning and disinfection, mupirocin, chlorhexidine, & household cleaning/disinfection
Drug · Behavioral
Lead sponsor
loren g miller
Other
Eligibility
1 Month and older
Enrollment
350 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2012
U.S. locations
6
States / cities
Anaheim, California • Bellflower, California • Harbor City, California + 3 more
Source: ClinicalTrials.gov public record
Updated Mar 9, 2025 · Synced Jul 21, 2026, 10:10 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Effects of Wood Smoke Particles on Influenza-induced Nasal Inflammation in Normal Volunteers

NCT02183753
View directory record Official record
Conditions
Response of Viral Infection to Woodsmoke
Interventions
wood smoke, clean air
Other
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 40 Years
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 10, 2015 · Synced Jul 21, 2026, 10:10 PM EDT
Not yet recruiting Phase 1 Interventional Accepts healthy volunteers

Nasal Inflammation Following Endotoxin Challenge in Patients With Asthma

NCT06270576
View directory record Official record
Conditions
Asthma; Eosinophilic, Asthma
Interventions
Lipopolysaccharides
Drug
Lead sponsor
National Jewish Health
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Feb 20, 2024 · Synced Jul 21, 2026, 10:10 PM EDT
Terminated Early Phase 1 Interventional Accepts healthy volunteers

Pain Management Following Sinus Surgery

NCT03822962
View directory record Official record
Conditions
Nasal Sinus; Inflammation, Opioid Abuse, Pain, Postoperative
Interventions
Ibuprofen 600Mg Tablet, Standard Regimen | Tylenol
Drug · Other
Lead sponsor
University of Nebraska
Other
Eligibility
18 Years to 65 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
2
States / cities
Omaha, Nebraska • Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 5, 2023 · Synced Jul 21, 2026, 10:10 PM EDT
Completed Phase 1 Interventional

A Study to Compare the Effects of Different Sized Particles on Cells in the Nose

NCT01257191
View directory record Official record
Conditions
Hypersensitivity, Immediate, Atopic Hypersensitivity
Interventions
Carbon Black, Diesel Exhaust Particles, Fine Concentrated Ambient Particles, Ultrafine Concentrated Ambient Particles, Saline
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jan 10, 2017 · Synced Jul 21, 2026, 10:10 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Obstructive Sleep Apnea in World Trade Center Responders

NCT01753999
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
Standard CPAP, CPAP - Flex
Device
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years to 80 Years
Enrollment
317 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2017
U.S. locations
3
States / cities
Piscataway, New Jersey • New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 29, 2025 · Synced Jul 21, 2026, 10:10 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Pollutant Altered Allergic Responses

NCT00011440
View directory record Official record
Conditions
Allergic Rhinitis, Allergy
Interventions
Not listed
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
18 Years to 60 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1998 – 2002
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 22, 2006 · Synced Jul 21, 2026, 10:10 PM EDT
Completed No phase listed Observational

A User Study of SYNUS Pain Relief Made by Tivic Health Systems

NCT03466879
View directory record Official record
Conditions
Sinus; Inflammation
Interventions
SYNUS Pain Relief device
Device
Lead sponsor
Tivic Health Systems
Industry
Eligibility
18 Years to 99 Years
Enrollment
72 participants
Timeline
2018
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Dec 25, 2018 · Synced Jul 21, 2026, 10:10 PM 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 Jul 21, 2026, 10:10 PM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers Results available

Evaluation of the Effect of a Nasal Allergen Challenge With Dermatophagoides Farinae Extract on Nasal Airway Inflammation in Allergic Individuals, Comparing E-cigarette Users to Cigarette Smokers and Non-smokers.

NCT03023397
View directory record Official record
Conditions
Healthy Participants, Tobacco Smokers
Interventions
Der f
Biological
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 50 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 3, 2021 · Synced Jul 21, 2026, 10:10 PM EDT
Terminated Phase 4 Interventional

Surgical Reduction of the Inferior Turbinates for Nasal Obstruction

NCT00737906
View directory record Official record
Conditions
Chronic Rhinitis, Inflammation of the Nasal Mucosa, Inflammation of Nasal Tissue
Interventions
Surgical turbinate reduction procedure
Procedure
Lead sponsor
ArthroCare Corporation
Other
Eligibility
6 Years to 17 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2012
U.S. locations
5
States / cities
San Diego, California • Aurora, Colorado • Boynton Beach, Florida + 2 more
Source: ClinicalTrials.gov public record
Updated Aug 25, 2015 · Synced Jul 21, 2026, 10:10 PM EDT
Completed Not applicable Interventional Results available

Sonu Nasal Congestion Relief Study in Patients Suffering From Moderate to Severe Nasal Congestion

NCT05821842
View directory record Official record
Conditions
Nasal Congestion and Inflammations
Interventions
Sonu
Device
Lead sponsor
Third Wave Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Apr 25, 2024 · Synced Jul 21, 2026, 10:10 PM EDT
Terminated Not applicable Interventional Results available

Effects of SinuSonic on Psychological and Physical Well-Being

NCT06268730
View directory record Official record
Conditions
Nasal Congestion and Inflammations, Sinus Congestion Chronic
Interventions
SinuSonic
Other
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 99 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 7, 2026 · Synced Jul 21, 2026, 10:10 PM EDT
Withdrawn Phase 1 Interventional Accepts healthy volunteers

Investigation of the Impact of Smoking Status on Allergen-induced Nasal Airway Inflammation Using a Cat Hair (Felis Domesticus) Extract Nasal Allergen Challenge Model

NCT03031145
View directory record Official record
Conditions
Tobacco Smoking, Healthy Participants, E-cigarette Smokers
Interventions
Felis Domesticus
Biological
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 50 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated May 6, 2021 · Synced Jul 21, 2026, 10:10 PM EDT
Completed No phase listed Observational

Capsaicin Cough Threshold in Chronic Cough Due to Postnasal Drip

NCT00588627
View directory record Official record
Conditions
Post Nasal Drip
Interventions
Not listed
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 9, 2010 · Synced Jul 21, 2026, 10:10 PM EDT
Completed Not applicable Interventional Results available

Effects of Whole Sprouts on Airway Allergic Inflammation

NCT01522703
View directory record Official record
Conditions
Allergic Rhinitis, Asthma, Allergy
Interventions
Broccoli Sprouts, Placebo
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 50 Years
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 18, 2017 · Synced Jul 21, 2026, 10:10 PM EDT
Completed Not applicable Interventional

Safety and Effectiveness of Sonu for Pediatric Nasal Congestion

NCT06773013
View directory record Official record
Conditions
Nasal Congestion and Inflammations
Interventions
Acoustic Resonance (Sound) Therapy
Device
Lead sponsor
Third Wave Therapeutics
Industry
Eligibility
12 Years to 21 Years
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
Portola Valley, California
Source: ClinicalTrials.gov public record
Updated Sep 9, 2025 · Synced Jul 21, 2026, 10:10 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Broccoli Sprout Extract Effects on Allergic Inflammation in the Nose

NCT00882115
View directory record Official record
Conditions
Allergic Airway Disease
Interventions
Broccoli sprout extract (BSE)
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 65 Years
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Sep 19, 2019 · Synced Jul 21, 2026, 10:10 PM EDT