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Showing 1–24 of 71 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Nasal Airway Obstruction Clear all
Completed Not applicable Interventional Results available

Spirox Latera™ Implant Support of Lateral Nasal Wall Cartilage (LATERAL-OR) Study

NCT02952313
View directory record Official record
Conditions
Nasal Obstruction
Interventions
Nasal Implant
Device
Lead sponsor
Spirox, Inc.
Industry
Eligibility
18 Years and older
Enrollment
113 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
12
States / cities
Beverly Hills, California • Boca Raton, Florida • Boynton Beach, Florida + 8 more
Source: ClinicalTrials.gov public record
Updated Aug 31, 2020 · Synced Sep 17, 2026, 4:09 AM EDT
Completed Phase 2 Interventional Results available

A Pivotal Study to Assess the Effectiveness of Nasal Dilator (Breathe Right Nasal Strips)

NCT03549130
View directory record Official record
Conditions
Congestion, Nasal
Interventions
Breathe Right Tan (small/medium) nasal strips, Placebo nasal strip
Device · Other
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older
Enrollment
130 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
2
States / cities
Indianapolis, Indiana • Paramus, New Jersey
Source: ClinicalTrials.gov public record
Updated Sep 24, 2018 · Synced Sep 17, 2026, 4:09 AM 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 5, 2021 · Synced Sep 17, 2026, 4:09 AM 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 21, 2011 · Synced Sep 17, 2026, 4:09 AM EDT
Completed Not applicable Interventional Results available

Treatment of Nasal Airway Obstruction Using the Aerin Medical Device

NCT02914236
View directory record Official record
Conditions
Nasal Obstruction
Interventions
Vivaer Stylus
Device
Lead sponsor
Aerin Medical
Industry
Eligibility
22 Years to 75 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
9
States / cities
Fresno, California • Colorado Springs, Colorado • Oradell, New Jersey + 6 more
Source: ClinicalTrials.gov public record
Updated May 20, 2019 · Synced Sep 17, 2026, 4:09 AM EDT
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 10, 2025 · Synced Sep 17, 2026, 4:09 AM EDT
Completed Not applicable Interventional Results available

Effect of Nasal Positive Airway Pressure Versus Standard Care on Oxygenation and Ventilation During Propofol-based Sedation for Colonoscopy in Patients With High Risk of Airway Obstruction

NCT05524220
View directory record Official record
Conditions
Obstructive Sleep Apnea, Obesity
Interventions
Standard care with a facemask., SuperNO2VA™EtCO2 (Nasal Oxygenating Ventilating Apparatus)
Device
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years and older
Enrollment
139 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Apr 21, 2025 · Synced Sep 17, 2026, 4:09 AM EDT
Completed Phase 3 Interventional

Phase 3 Efficacy and Safety Study of Favipiravir for Treatment of Uncomplicated Influenza in Adults - T705US316

NCT02026349
View directory record Official record
Conditions
Influenza
Interventions
favipiravir, Placebo
Drug
Lead sponsor
MDVI, LLC
Industry
Eligibility
18 Years to 80 Years
Enrollment
860 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
60
States / cities
Birmingham, Alabama • Hunstville, Alabama • Hot Springs, Arkansas + 48 more
Source: ClinicalTrials.gov public record
Updated Nov 10, 2015 · Synced Sep 17, 2026, 4:09 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Does Batten Grafting Improve Nasal Outcomes in Septoplasty and Turbinate Reduction?

NCT05287841
View directory record Official record
Conditions
Nasal Obstruction, Septal Defect, Allergic Rhinitis, Nasal Polyps, Nasal Valve Collapse
Interventions
Batten batten graft, Septoplasty, Inferior Turbinate Reduction
Procedure
Lead sponsor
Northwell Health
Other
Eligibility
18 Years and older
Enrollment
96 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
3
States / cities
Poplar Bluff, Missouri • New York, New York • Staten Island, New York
Source: ClinicalTrials.gov public record
Updated Sep 19, 2024 · Synced Sep 17, 2026, 4:09 AM EDT
Completed No phase listed Observational

Computational Modeling of Cleft Lip Nasal Deformity and Assessment of Nasal Function and Treatment Outcomes

NCT04150783
View directory record Official record
Conditions
Cleft Lip and Nose, Nasal Obstruction
Interventions
Surgical repair for nasal obstruction
Procedure
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 18, 2025 · Synced Sep 17, 2026, 4:09 AM 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 10, 2015 · Synced Sep 17, 2026, 4:09 AM 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 8, 2018 · Synced Sep 17, 2026, 4:09 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Trial Comparing Microdebrider-Assisted Inferior Turbinoplasty (MAIT) vs Submucous Resection (SMR)

NCT02695602
View directory record Official record
Conditions
Nasal Obstruction
Interventions
Microdebrider-Assisted Inferior Turbinoplasty (MAIT), Submucous Resection with non powered instrument
Procedure
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 70 Years
Enrollment
2 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 9, 2017 · Synced Sep 17, 2026, 4:09 AM EDT
Terminated Phase 2 Interventional

Steroid Treatment for Elimination of Rebound Obstruction From Intranasal Decongestants

NCT07168148
View directory record Official record
Conditions
Nasal Obstruction, Chronic Rhinitis
Interventions
Oxymetazoline + Triamcinolone
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Mar 22, 2026 · Synced Sep 17, 2026, 4:09 AM 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 Sep 17, 2026, 4:09 AM EDT
Completed Not applicable Interventional Results available

Treatment Outcome Using Vivaer Stylus to Treat Nasal Airway Obstruction

NCT03156270
View directory record Official record
Conditions
Nasal Obstruction
Interventions
Vivaer Stylus
Device
Lead sponsor
Aerin Medical
Industry
Eligibility
18 Years to 75 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 15, 2021 · Synced Sep 17, 2026, 4:09 AM EDT
Completed No phase listed Observational Results available

Quality of Life Impact of Nasal Airway Treatment With Aerin Medical Device

NCT03290300
View directory record Official record
Conditions
Nasal Obstruction
Interventions
Vivaer Stylus
Device
Lead sponsor
Aerin Medical
Industry
Eligibility
22 Years and older
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
8
States / cities
Fresno, California • Colorado Springs, Colorado • Oradell, New Jersey + 5 more
Source: ClinicalTrials.gov public record
Updated Feb 14, 2024 · Synced Sep 17, 2026, 4:09 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Steady State Kinetics of l-Methamphetamine and Validation of Sensitivity of Dose Estimation

NCT00829634
View directory record Official record
Conditions
Nasal Congestion
Interventions
l-methamphetamine, d-methamphetamine
Drug
Lead sponsor
California Pacific Medical Center Research Institute
Other
Eligibility
18 Years to 50 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated May 30, 2013 · Synced Sep 17, 2026, 4:09 AM 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 Dec 31, 2024 · Synced Sep 17, 2026, 4:09 AM EDT
Completed Phase 3 Interventional

Effect of Heated Humidity With Thermosmart™ Compared to an Intranasal Steroid in Improving Compliance and Nasal Symptoms in Patients Using Continuous Positive Airway Pressure

NCT00665977
View directory record Official record
Conditions
Obstructive Sleep Apnea, Nasal Congestion, Sinus Congestion
Interventions
Thermosmart & placebo, Placebo Device & Nasacort, Placebo Arm
Drug · Device
Lead sponsor
Clayton Sleep Insititute
Industry
Eligibility
16 Years to 65 Years
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jul 6, 2010 · Synced Sep 17, 2026, 4:09 AM 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 17, 2023 · Synced Sep 17, 2026, 4:09 AM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Novapak Prospective Observational Clinical Trial

NCT05747014
View directory record Official record
Conditions
Nasal Airway Obstruction
Interventions
Novapak Nasal Sinus Packing and Stent
Device
Lead sponsor
Medtronic Surgical Technologies
Industry
Eligibility
18 Years and older
Enrollment
86 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
3
States / cities
Boca Raton, Florida • Miami, Florida • Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Nov 20, 2024 · Synced Sep 17, 2026, 4:09 AM 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 18, 2026 · Synced Sep 17, 2026, 4:09 AM EDT
Completed Not applicable Interventional Results available

Vivaer® Procedure for Treatment of Nasal Airway Obstruction Study

NCT04549545
View directory record Official record
Conditions
Nasal Airway Obstruction
Interventions
Vivaer ARC Stylus, Sham
Device
Lead sponsor
Aerin Medical
Industry
Eligibility
18 Years to 85 Years
Enrollment
119 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
12
States / cities
Roseville, California • Torrance, California • Coral Springs, Florida + 9 more
Source: ClinicalTrials.gov public record
Updated Aug 27, 2025 · Synced Sep 17, 2026, 4:09 AM EDT