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Showing 1–24 of 198 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Nasal Breathing Clear all
Completed Not applicable Interventional Results available

Pilot Study of a Self-Supporting Nasopharyngeal Airway in Hypotonia

NCT04846400
View directory record Official record
Conditions
Sleep Apnea, Obstructive, Hypotonia, Child, Only
Interventions
ssNPA
Device
Lead sponsor
University of Michigan
Other
Eligibility
3 Years to 21 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Dec 27, 2023 · Synced Jul 22, 2026, 5:13 AM EDT
Completed Not applicable Interventional Results available

HFNC Flow Titration and Effort of Breathing in the PICU

NCT02793674
View directory record Official record
Conditions
High Flow Nasal Cannula
Interventions
Fisher & Paykel high flow nasal cannula, Vapotherm high flow nasal cannula
Device
Lead sponsor
Children's Hospital Los Angeles
Other
Eligibility
Up to 3 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Oct 29, 2024 · Synced Jul 22, 2026, 5:13 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Mask Leak With Nasal Cannula in Noninvasive Positive Pressure Ventilation

NCT02743936
View directory record Official record
Conditions
Mechanical Ventilation Pressure High
Interventions
Nasal cannula, Non-invasive positive pressure ventilation
Device
Lead sponsor
Brooke Army Medical Center
Federal
Eligibility
18 Years and older
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Sep 25, 2016 · Synced Jul 22, 2026, 5:13 AM EDT
Completed Not applicable Interventional Results available

Effects of Radiofrequency Ablation of Posterior Nasal Nerves on Inflammatory Cytokines, Peak Nasal Inspiratory Flow, and Nasal Blood Flow in Patients With Chronic Rhinitis

NCT05648565
View directory record Official record
Conditions
Chronic Rhinitis
Interventions
Radiofrequency ablation (RFA)
Device
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years to 80 Years
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Apr 2, 2025 · Synced Jul 22, 2026, 5:13 AM EDT
Completed Not applicable Interventional Results available

Early PP With HFNC Versus HFNC in COVID-19 Induced Moderate to Severe ARDS

NCT04325906
View directory record Official record
Conditions
Prone Positioning, High Flow Nasal Cannula, Acute Respiratory Distress Syndrome, Corona Virus Infection
Interventions
high flow nasal cannula (HFNC), Prone positioning (PP)
Device · Procedure
Lead sponsor
Rush University Medical Center
Other
Eligibility
18 Years and older
Enrollment
224 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 1, 2022 · Synced Jul 22, 2026, 5:13 AM EDT
Terminated Not applicable Interventional Results available

Nasal High-frequency Jet Ventilation (nHFJV) Following Extubation in Preterm Infants

NCT03558737
View directory record Official record
Conditions
Infant,Premature, Respiratory Failure, Respiratory Insufficiency, Respiratory Distress Syndrome in Premature Infant
Interventions
Nasal high-frequency jet ventilation (nHFJV), Nasal intermittent positive pressure ventilation (NIPPV)
Other
Lead sponsor
University of Utah
Other
Eligibility
Up to 72 Hours
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
2
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jul 23, 2024 · Synced Jul 22, 2026, 5:13 AM EDT
Completed Not applicable Interventional

Nasal Saline Irrigation After Radiation Therapy for Oropharyngeal Cancer

NCT02338102
View directory record Official record
Conditions
Nasal Obstruction, Rhinitis, Vasomotor, Epistaxis
Interventions
Saline mixture
Other
Lead sponsor
Lisa Shnayder
Other
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Nov 3, 2015 · Synced Jul 22, 2026, 5:13 AM EDT
Completed Not applicable Interventional Results available

Nasal Noninvasive NAVA in the Very Low Birth Weight Infant

NCT01785563
View directory record Official record
Conditions
Inadequate; Pulmonary Ventilation, Newborn, Infant, Very Low Birth Weight
Interventions
Nasal NIV-NAVA
Device
Lead sponsor
Tarah T Colaizy
Other
Eligibility
7 Days to 1 Year
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
2
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Jun 8, 2022 · Synced Jul 22, 2026, 5:13 AM 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 22, 2026, 5:13 AM 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 21, 2019 · Synced Jul 22, 2026, 5:13 AM EDT
Completed Phase 3 Interventional

Humidified High Flow Nasal Cannula as Compared to Nasal Continuous Positive Airway Pressure

NCT00356668
View directory record Official record
Conditions
Respiratory Distress Syndrome, Cronic Lung Disease
Interventions
High Flow Nasal Cannula
Device
Lead sponsor
Children's Hospitals and Clinics of Minnesota
Other
Eligibility
72 Hours and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 13, 2015 · Synced Jul 22, 2026, 5:13 AM EDT
Completed Phase 3 Interventional

Placebo and Active Controlled Study to Assess Efficacy and Tolerability of Aspirin Plus Pseudoephedrine

NCT01062360
View directory record Official record
Conditions
Common Cold, Pharyngitis
Interventions
Acetylsalicylic Acid (Aspirin Complex, BAYE4465) + Pseudoephedrine, Acetylsalicylic Acid (Aspirin, BAYE4465), Pseudoephedrine, Placebo
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years to 65 Years
Enrollment
1,016 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
2
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 31, 2017 · Synced Jul 22, 2026, 5:13 AM EDT
Completed No phase listed Observational

Effective Fraction of Inspired Oxygen With Nasal Cannula in Premature Infants

NCT03431818
View directory record Official record
Conditions
Oxygen Therapy
Interventions
Nasal cannula flow rate
Other
Lead sponsor
University of Miami
Other
Eligibility
Not listed
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Mar 19, 2025 · Synced Jul 22, 2026, 5:13 AM 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 25, 2026 · Synced Jul 22, 2026, 5:13 AM EDT
Terminated Not applicable Interventional Results available

Nasal Suction in Infants With Bronchiolitis Using a NoseFrida vs. Bulb Syringe

NCT04599101
View directory record Official record
Conditions
Bronchiolitis, Respiratory Disease
Interventions
Nose Frida nasal suction device, Bulb syringe nasal suction device
Device
Lead sponsor
Corewell Health East
Other
Eligibility
Up to 18 Months
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Royal Oak, Michigan
Source: ClinicalTrials.gov public record
Updated Apr 3, 2024 · Synced Jul 22, 2026, 5:13 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Pilot Study of the Comparison of the Upper Airway Dynamics of Oronasal vs Nasal Masks With PAP Treatment

NCT01939938
View directory record Official record
Conditions
Obstructive Sleep Apnea (OSA)
Interventions
Nasal and Oronasal PAP Mask
Device
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years to 75 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 16, 2018 · Synced Jul 22, 2026, 5:13 AM EDT
Enrolling by invitation Not applicable Interventional

Long-term Evaluation of Nasopharyngeal Airway in Hypotonia

NCT06614582
View directory record Official record
Conditions
Hypotonia, Muscle, Obstructive Sleep Apnea, Nasal Airway Obstruction
Interventions
Self-Supporting Nasopharyngeal Airway (ssNPA)
Device
Lead sponsor
University of Michigan
Other
Eligibility
3 Years to 23 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Dec 1, 2025 · Synced Jul 22, 2026, 5:13 AM EDT
Terminated Not applicable Interventional

Evaluation of the Auryzon Devices in the Optimization of Ear and Nose Reconstruction Procedures

NCT03624608
View directory record Official record
Conditions
Ear Deformities, Acquired, Ear; Deformity, Congenital, Microtia, Nose Deformity, Nose Deformities, Acquired, Nose; Deformity, Congenital, Nose; Deformity, Congenital, Bent or Squashed, Nose; Deformity, Syphilitic, Congenital, Nose; Deformity, Bone (Nose Cartilage), Nose; Deformity, Septum, Congenital, Nose; Deformity, Sinus (Wall), Congenital, Nose; Deformity, Syphilitic, Late (Etiology), Ear; Deformity, External, Ear; Deformity, Auricle, Ear, Acquired, Ear; Deformity, Auricle, Ear (Congenital)
Interventions
AuryzoN Family of Devices
Device
Lead sponsor
Reconstrata, LLC
Industry
Eligibility
Not listed
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 22, 2025 · Synced Jul 22, 2026, 5:13 AM 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
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 May 19, 2026 · Synced Jul 22, 2026, 5:13 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study Evaluating the Safety, Tolerability and Pharmacokinetics of ASY202 in Healthy Adults

NCT07226362
View directory record Official record
Conditions
Safety, and Tolerability
Interventions
DHE inhalation powder low dose administered via dry powder inhaler (DPI) device, DHE inhalation powder high dose administered via dry powder inhaler (DPI) device, DHE injected intravenously (1 mg), DHE 2 mg administered by nasal spray (Migranal®), Metoclopramide 10mg
Combination Product · Drug
Lead sponsor
Aspeya Switzerland SA
Industry
Eligibility
18 Years to 55 Years
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Knoxville, Tennessee
Source: ClinicalTrials.gov public record
Updated Mar 18, 2026 · Synced Jul 22, 2026, 5:13 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Covid-19 Virtual Recovery Study

NCT04950725
View directory record Official record
Conditions
Covid19
Interventions
Strength RMT, Strength RMT and nasal breathing, Endurance RMT, Endurance RMT and nasal breathing, Low dose RMT
Behavioral
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
2,268 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Scottsdale, Arizona
Source: ClinicalTrials.gov public record
Updated Aug 20, 2023 · Synced Jul 22, 2026, 5:13 AM 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 22, 2026, 5:13 AM EDT
Recruiting Phase 4 Interventional

Effect of Oxymetazoline Hydrochloride in Combination With Fluticasone Propionate on the Apnea Hypopnea Index (AHI) in Subject With Persistent Nasal Congestion and Mild Obstructive Sleep Apnea

NCT02630121
View directory record Official record
Conditions
Sleep Apnea, Chronic Nasal Congestion
Interventions
Oxymetazoline Hydrochloride, Placebo
Drug
Lead sponsor
University of South Florida
Other
Eligibility
18 Years to 65 Years
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Jan 23, 2025 · Synced Jul 22, 2026, 5:13 AM EDT
Completed No phase listed Observational

Comparing Bubble and Ventilator Nasal CPAP in Preterm Infants

NCT02003846
View directory record Official record
Conditions
Respiratory Distress Syndrome
Interventions
Not listed
Lead sponsor
Maimonides Medical Center
Other
Eligibility
2 Days to 3 Months
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Brooklyn, New York
Source: ClinicalTrials.gov public record
Updated Jun 29, 2015 · Synced Jul 22, 2026, 5:13 AM EDT