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ClinicalTrials.gov public records Last synced Oct 22, 2026, 8:21 PM EDT

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Showing 1–24 of 82 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Nasal Obstruction Clear all
Recruiting Phase 2 Interventional

Nasal Obstruction With Oxymetazoline and Corticosteroids

NCT06830109
View directory record Official record
Conditions
Nasal Obstruction
Interventions
Oxymetazoline Nasal Spray, Budesonide nasal spray
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Sep 11, 2025 · Synced Oct 22, 2026, 8:21 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Suture-based, Minimally Invasive Technique Used to Correct NSD

NCT04891263
View directory record Official record
Conditions
Nasal Septum; Deviation, Congenital, Nasal Obstruction
Interventions
Suture-Septoplasty, Surgical suture
Procedure · Device
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
4 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
2
States / cities
Palo Alto, California • Stanford, California
Source: ClinicalTrials.gov public record
Updated Apr 3, 2023 · Synced Oct 22, 2026, 8:21 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of Nasal Hair on Nasal Obstruction

NCT01850511
View directory record Official record
Conditions
Nasal Obstruction
Interventions
Vibrissae trimming, Application of oxymetazoline
Procedure · Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 22, 2019 · Synced Oct 22, 2026, 8:21 PM EDT
Not listed Not applicable Interventional

VivAer: A Correlation Between Symptom Scores and Objective Findings

NCT05573919
View directory record Official record
Conditions
Nasal Obstruction, Medically Unexplained Symptoms, Airway Obstruction, Airway Remodeling
Interventions
VivAer Stylus
Device
Lead sponsor
Endeavor Health
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
2
States / cities
Chicago, Illinois • Skokie, Illinois
Source: ClinicalTrials.gov public record
Updated Feb 21, 2024 · Synced Oct 22, 2026, 8:21 PM EDT
Completed Phase 2 Interventional Results available

Market Potential of Carbon Dioxide Nasal Spray

NCT02113449
View directory record Official record
Conditions
Nasal Congestion
Interventions
Carbon Dioxide
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 65 Years
Enrollment
147 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
4
States / cities
Chandler, Arizona • Pinellas Park, Florida • Paramus, New Jersey + 1 more
Source: ClinicalTrials.gov public record
Updated Apr 30, 2015 · Synced Oct 22, 2026, 8:21 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

A New Treatment for Mechanical Nasal Obstruction

NCT03456115
View directory record Official record
Conditions
Nasal Obstruction
Interventions
Mechanical nasal dilator
Device
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2022
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 18, 2023 · Synced Oct 22, 2026, 8:21 PM EDT
Completed Phase 2 Interventional Results available

Exploratory Subjective Sleep Study of a Prototype Nasal Dilator

NCT01122849
View directory record Official record
Conditions
Sleep Disorders, Congestion, Nasal
Interventions
Prototype Nasal Dilator, Marketed Nasal Strip, Placebo Nasal Strip
Device
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
2
States / cities
Paramus, New Jersey • Bethlehem, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 9, 2018 · Synced Oct 22, 2026, 8:21 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Vivaer Procedure for Treatment of the Septal Swell Bodies (SWELL)

NCT05099263
View directory record Official record
Conditions
Nasal Obstruction
Interventions
Vivaer Arc Stylus
Device
Lead sponsor
Aerin Medical
Industry
Eligibility
22 Years to 85 Years
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
9
States / cities
Colorado Springs, Colorado • Chicago, Illinois • New York, New York + 4 more
Source: ClinicalTrials.gov public record
Updated Aug 28, 2025 · Synced Oct 22, 2026, 8:21 PM EDT
Not yet recruiting Not applicable Interventional

Active vs. Passive VR During Office-based ENT Procedures

NCT07599826
View directory record Official record
Conditions
Pain, Anxiety, Chronic Rhinosinusitis (CRS), Nasal Obstruction, Nasal Polyp, Eustachian Tube Dysfunction, Dysphonia, Subglottic Stenosis (SGS)
Interventions
Passive virtual reality headset or goggles, Active virtual reality headset or goggles
Device
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
18 Years and older
Enrollment
132 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Aug 17, 2026 · Synced Oct 22, 2026, 8:21 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 26, 2015 · Synced Oct 22, 2026, 8:21 PM EDT
Not yet recruiting Not applicable Interventional

Acoustic Resonance Therapy for Treating Empty Nose Syndrome

NCT07215013
View directory record Official record
Conditions
Empty Nose Syndrome, Nasal Obstruction
Interventions
Personalized ART, Non-personalized ART
Device
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 85 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2028 – 2030
U.S. locations
2
States / cities
Stanford, California • Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 10, 2025 · Synced Oct 22, 2026, 8:21 PM EDT
Recruiting Not applicable Interventional

Self-Supporting Nasopharyngeal Airway (ssNPA) Treating Upper Airway Obstruction in Hypotonia

NCT05527652
View directory record Official record
Conditions
Obstructive Sleep Apnea, Hypertonia, Muscle, Nasal Airway Obstruction, Tolerance, Trisomy 21, Down Syndrome
Interventions
Self-Supporting Nasopharyngeal Airway (ssNPA)
Device
Lead sponsor
University of Michigan
Other
Eligibility
3 Years to 21 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Aug 19, 2026 · Synced Oct 22, 2026, 8:21 PM EDT
Completed No phase listed Observational

Clinical Evaluation of QFlu Combo Test

NCT01506583
View directory record Official record
Conditions
Cough, Myalgia, Nasal Obstruction, Sore Throat, Headache, Fatigue, Fever
Interventions
Not listed
Lead sponsor
Cellex, Inc.
Industry
Eligibility
Not listed
Enrollment
506 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
3
States / cities
Birmingham, Alabama • Chicago, Illinois • Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 6, 2021 · Synced Oct 22, 2026, 8:21 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Latera RCT - Latera vs. Sham Control for Lateral Nasal Valve Collapse

NCT03400787
View directory record Official record
Conditions
Nasal Valve Collapse, Nasal Breathing
Interventions
Latera Implant, Sham Procedure
Device
Lead sponsor
Spirox, Inc.
Industry
Eligibility
18 Years and older
Enrollment
137 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
11
States / cities
Roseville, California • Torrance, California • Atlanta, Georgia + 8 more
Source: ClinicalTrials.gov public record
Updated Feb 9, 2021 · Synced Oct 22, 2026, 8:21 PM EDT
Completed Phase 4 Interventional Results available

Sphenopalatine Ganglion Blocks RCT

NCT03666663
View directory record Official record
Conditions
Migraine
Interventions
Lidocaine, Bupivacaine, Ropivacaine, Placebo
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Oct 11, 2021 · Synced Oct 22, 2026, 8:21 PM EDT
Completed Not applicable Interventional Results available

LATERA-OFFICE Study

NCT02964312
View directory record Official record
Conditions
Nasal Obstruction
Interventions
Nasal Implant
Device
Lead sponsor
Spirox, Inc.
Industry
Eligibility
18 Years and older
Enrollment
166 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
9
States / cities
Beverly Hills, California • Boca Raton, Florida • Boynton Beach, Florida + 5 more
Source: ClinicalTrials.gov public record
Updated Sep 3, 2020 · Synced Oct 22, 2026, 8:21 PM EDT
Completed Phase 4 Interventional

To Determine if Diphenhydramine Works for Nasal Congestion at Two Different Doses

NCT00648973
View directory record Official record
Conditions
Nasal Congestion
Interventions
Diphenhydramine 50 mg, Diphenhydramine 25 mg, Pseudoephedrine 120 mg
Drug
Lead sponsor
Johnson & Johnson Consumer and Personal Products Worldwide
Industry
Eligibility
12 Years to 65 Years
Enrollment
1,021 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
12
States / cities
Austin, Texas • Dallas, Texas • Kerrville, Texas + 4 more
Source: ClinicalTrials.gov public record
Updated Aug 22, 2011 · Synced Oct 22, 2026, 8:21 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Nasal Obstruction and Olfactory Losses

NCT05920330
View directory record Official record
Conditions
Nasal Obstruction
Interventions
Nasal Plug
Other
Lead sponsor
Ohio State University
Other
Eligibility
18 Years to 70 Years
Enrollment
330 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2028
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated May 26, 2026 · Synced Oct 22, 2026, 8:21 PM EDT
Completed Phase 4 Interventional Results available

Effect of Tranexamic Acid on Postoperative Bleeding Following Sinus and Nasal Surgery

NCT04754230
View directory record Official record
Conditions
Chronic Sinusitis, Nasal Obstruction, Turbinate; Hypertrophy Mucous Membrane, Deviated Nasal Septum - Congenital, Deviated Nasal Septum Acquired
Interventions
Tranexamic Acid 1,000 Mg/10 mL (100 Mg/mL) INTRAVEN VIAL (ML)
Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Apr 5, 2023 · Synced Oct 22, 2026, 8:21 PM EDT
Terminated Not applicable Interventional

Sonu Real-World Use Clinical Study to Treat Moderate to Severe Nasal Congestion

NCT06024564
View directory record Official record
Conditions
Nasal Congestion
Interventions
Sonu Acoustic Resonance Therapy
Device
Lead sponsor
Third Wave Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
121 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jan 1, 2025 · Synced Oct 22, 2026, 8:21 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Thermal Imaging as a Potential Diagnostic Tool of Nasal Airflow

NCT03233373
View directory record Official record
Conditions
Nasal Airway Obstruction
Interventions
Seek CompactPro thermal imager
Device
Lead sponsor
New York City Health and Hospitals Corporation
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Sep 18, 2018 · Synced Oct 22, 2026, 8:21 PM EDT
Completed Phase 3 Interventional

Phase 3 Efficacy and Safety Study of Favipiravir for Treatment of Uncomplicated Influenza in Adults

NCT02008344
View directory record Official record
Conditions
Influenza
Interventions
favipiravir, placebo
Drug
Lead sponsor
MDVI, LLC
Industry
Eligibility
18 Years to 80 Years
Enrollment
1,161 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
147
States / cities
Birmingham, Alabama • Huntsville, Alabama • Camp Verde, Arizona + 123 more
Source: ClinicalTrials.gov public record
Updated Nov 11, 2015 · Synced Oct 22, 2026, 8:21 PM EDT
Active, not recruiting Not applicable Interventional

Open-Label Study to Evaluate the Safety and Effectiveness of the Spirair Implant

NCT06163404
View directory record Official record
Conditions
Nasal Septal Deviation, Nasal Airway Obstruction
Interventions
Implantation of Spirair Nasal Device using the Spirair delivery system.
Device
Lead sponsor
Spirair, Inc
Industry
Eligibility
21 Years to 70 Years
Enrollment
102 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
8
States / cities
Birmingham, Alabama • Torrance, California • Louisville, Kentucky + 5 more
Source: ClinicalTrials.gov public record
Updated Mar 30, 2026 · Synced Oct 22, 2026, 8:21 PM EDT
Completed No phase listed Observational Results available

Home Usability of a Nasal Lavage System in Children

NCT01129765
View directory record Official record
Conditions
Nasal Congestion, Respiratory Tract Infection, Sinusitis, Allergic Rhinitis
Interventions
Use of an automatic nasal irrigator/aspirator
Device
Lead sponsor
Aardvark Medical Company
Industry
Eligibility
Up to 5 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009
U.S. locations
1
States / cities
Vienna, Virginia
Source: ClinicalTrials.gov public record
Updated Aug 3, 2010 · Synced Oct 22, 2026, 8:21 PM EDT