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ClinicalTrials.gov public records Last synced Oct 20, 2026, 6:16 PM EDT

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Showing 1–24 of 204 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Nasal Cannula Clear all
Completed Phase 2 Interventional

Combined Upper-airway and Breathing Control Therapies for Obstructive Sleep Apnea

NCT03189173
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
Oral appliance, Oxygen, Oral appliance plus oxygen, No treatment
Device · Drug · Other
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
21 Years to 79 Years
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 4, 2025 · Synced Oct 20, 2026, 6:16 PM EDT
Terminated Phase 2Phase 3 Interventional

Method of Oxygen Delivery and the Effect on Transcutaneous PaCO2

NCT00135252
View directory record Official record
Conditions
Lung Diseases, Obstructive
Interventions
nasal cannula oxygen delivery, supplemental oxygen delivery by hood
Procedure
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
1 Week to 6 Months
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jan 8, 2008 · Synced Oct 20, 2026, 6:16 PM EDT
Completed Not applicable Interventional Results available

External Nasal Dilator and Oxygen Therapy in Respiratory Failure

NCT02662387
View directory record Official record
Conditions
Acute Respiratory Failure
Interventions
External nasal dilator (END), High flow nasal cannula (HFNC)
Device · Other
Lead sponsor
Loma Linda University
Other
Eligibility
1 Day to 18 Years
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016
U.S. locations
1
States / cities
Loma Linda, California
Source: ClinicalTrials.gov public record
Updated Aug 21, 2017 · Synced Oct 20, 2026, 6:16 PM EDT
Withdrawn Not applicable Interventional

High Flow Therapy (HFT) to Treat Respiratory Insufficiency in Chronic Obstructive Pulmonary Disease (COPD)

NCT00990119
View directory record Official record
Conditions
Pulmonary Disease, Chronic Obstructive, Respiratory Insufficiency
Interventions
Vapotherm High Flow Therapy, Non-invasive positive pressure ventilation
Device
Lead sponsor
Vapotherm, Inc.
Industry
Eligibility
50 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 16, 2020 · Synced Oct 20, 2026, 6:16 PM EDT
Completed Not applicable Interventional

In Line Aerosol Nebulization With High Flow

NCT05880836
View directory record Official record
Conditions
Hypoxemic Respiratory Failure, Airway Obstruction
Interventions
nebulizer via in-line drug delivery maintaining high-flow nasal cannula oxygen, standard jet nebulization (SJN) with face mask
Device
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
2
States / cities
Los Angeles, California • Santa Monica, California
Source: ClinicalTrials.gov public record
Updated Aug 11, 2025 · Synced Oct 20, 2026, 6:16 PM EDT
Completed Not applicable Interventional Results available

In-home Evaluation of a Noninvasive Open Ventilation System in Patients With Severe Respiratory Insufficiency

NCT01347931
View directory record Official record
Conditions
Pulmonary Disease, Chronic Obstructive, Airflow Obstruction, Chronic, Chronic Obstructive Airway Disease, Chronic Obstructive Lung Disease
Interventions
NIOV System, Standard Oxygen Cannula
Device
Lead sponsor
Breathe Technologies, Inc.
Industry
Eligibility
21 Years to 80 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 11, 2016 · Synced Oct 20, 2026, 6:16 PM EDT
Terminated Early Phase 1 Interventional Accepts healthy volunteers

Nitrous Oxide for Pain Management During In-Office Gynecology Procedures

NCT06661005
View directory record Official record
Conditions
Nitrous Oxide
Interventions
Nitrous oxide, IV Sedation
Drug
Lead sponsor
University of Arizona
Other
Eligibility
18 Years to 99 Years · Female only
Enrollment
3 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Oct 28, 2024 · Synced Oct 20, 2026, 6:16 PM EDT
Not listed Not applicable Interventional

Cardiopulmonary Rehabilitation in COVID-19 Longhaulers

NCT04898205
View directory record Official record
Conditions
Covid19, Viral Syndrome
Interventions
Treadmill Exercise, Concentrated Oxygen, Concentrated Air
Other
Lead sponsor
Noah Greenspan
Other
Eligibility
18 Years to 60 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 25, 2021 · Synced Oct 20, 2026, 6:16 PM EDT
Completed No phase listed Observational

Investigate the Aerosol Particle Distribution During Aerosol Generating Procedures

NCT04353531
View directory record Official record
Conditions
Transmission, Patient Professional, High-flow Nasal Cannula
Interventions
High-flow nasal cannula, Surgical mask, bronchoscopy examination, intubation, tracheostomy, nebulization, Pulmonary function test
Device · Procedure · Diagnostic Test
Lead sponsor
Rush University Medical Center
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 23, 2021 · Synced Oct 20, 2026, 6:16 PM EDT
Completed Phase 2 Interventional

Inhaled Nitric Oxide/INOpulse DS for Pulmonary Arterial Hypertension (PAH)

NCT01457781
View directory record Official record
Conditions
Pulmonary Arterial Hypertension, Pulmonary Hypertension
Interventions
Inhaled Nitric Oxide 0.025 mg/kg IBW/hr delivered via INOpulse DS Device, Placebo delivered via INOpulse DS Device, Inhaled nitric oxide 0.075 mg/kg IBW/hr delivered via INOpulse DS Device
Combination Product
Lead sponsor
Bellerophon Pulse Technologies
Industry
Eligibility
16 Years to 80 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
47
States / cities
Birmingham, Alabama • Phoenix, Arizona • Fountain Valley, California + 38 more
Source: ClinicalTrials.gov public record
Updated Feb 27, 2023 · Synced Oct 20, 2026, 6:16 PM EDT
Completed Not applicable Interventional

Apneic Oxygenation in the Pediatric Intensive Care Unit

NCT03374046
View directory record Official record
Conditions
Intubation Complication
Interventions
Apneic Oxygenation
Procedure
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
0 Days to 17 Years
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Park Ridge, Illinois
Source: ClinicalTrials.gov public record
Updated Oct 4, 2024 · Synced Oct 20, 2026, 6:16 PM EDT
Terminated No phase listed Observational

Compensatory Reserve Index (CRI) for Management of COVID-19

NCT04457817
View directory record Official record
Conditions
COVID
Interventions
CRI
Device
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 70 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Nov 11, 2021 · Synced Oct 20, 2026, 6:16 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Clinical Comparison of Flow Regulated Nasal Oxygen Delivery System (FRNDS) Cannula and Plethysmography Belts

NCT06713213
View directory record Official record
Conditions
Respiratory Failure With Hypoxia
Interventions
Flow-regulated nasal oxygen delivery system (FRNDS)
Other
Lead sponsor
Virginia Polytechnic Institute and State University
Other
Eligibility
18 Years and older
Enrollment
57 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
2
States / cities
Roanoke, Virginia
Source: ClinicalTrials.gov public record
Updated Sep 9, 2025 · Synced Oct 20, 2026, 6:16 PM EDT
Terminated Not applicable Interventional

Correlation of Peak Tidal Inspiratory Flow Measured Before and After Extubation in Adult Patients With Hypoxemia

NCT04971148
View directory record Official record
Conditions
Hypoxemic Respiratory Failure
Interventions
HFNC flow set at patient peak tidal inspiratory flow, HFNC flow set at 1.33 times of patient peak tidal inspiratory flow, HFNC flow set at 1.67 times of patient peak tidal inspiratory flow, HFNC flow set at 2 times of patient peak tidal inspiratory flow
Other
Lead sponsor
Rush University Medical Center
Other
Eligibility
18 Years to 90 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 14, 2023 · Synced Oct 20, 2026, 6:16 PM EDT
Active, not recruiting Not applicable Interventional

The Maximizing Extubation Outcomes Through Educational and Organizational Research (METEOR) Trial

NCT05523479
View directory record Official record
Conditions
Acute Respiratory Failure, Airway Extubation
Interventions
Traditional online education, Interprofessional education, Clinical protocol, Risk-stratified preventive post-extubation noninvasive ventilation (NIV) or high-flow nasal cannula oxygen (HFNC), Preventive post-extubation high-flow nasal cannula oxygen (HFNC)
Behavioral · Other
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
13,018 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
17
States / cities
Carlisle, Pennsylvania • Hanover, Pennsylvania • Harrisburg, Pennsylvania + 7 more
Source: ClinicalTrials.gov public record
Updated May 8, 2026 · Synced Oct 20, 2026, 6:16 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

THRIVE Use in Pediatric Populations- Multi Site

NCT04322994
View directory record Official record
Conditions
Oxygen Deficiency, Desaturation of Blood, Hypoventilation, Anesthesia; Adverse Effect
Interventions
Transnasal Humidified Rapid-Insufflation Ventilatory Echange
Device
Lead sponsor
Stanford University
Other
Eligibility
Up to 18 Years
Enrollment
175 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
5
States / cities
Palo Alto, California • Chicago, Illinois • Boston, Massachusetts + 2 more
Source: ClinicalTrials.gov public record
Updated Mar 27, 2025 · Synced Oct 20, 2026, 6:16 PM EDT
Completed Not applicable Interventional

Effect of CPAP on Fetal pH at Scheduled C-section in Morbidly Obese Women

NCT04993651
View directory record Official record
Conditions
Morbid Obesity, Cesarean Delivery Affecting Fetus
Interventions
CPAP
Device
Lead sponsor
Eastern Virginia Medical School
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
66 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Norfolk, Virginia
Source: ClinicalTrials.gov public record
Updated Sep 19, 2024 · Synced Oct 20, 2026, 6:16 PM EDT
Not yet recruiting Not applicable Interventional

Protocolized Weaning of High-Flow Nasal Cannula in Adult Patients

NCT07452406
View directory record Official record
Conditions
Acute Hypoxemic Respiratory Failure, High-Flow Nasal Cannula Therapy
Interventions
Protocolized HFNC Weaning Strategy, Usual Care HFNC Weaning
Behavioral
Lead sponsor
Rush University Medical Center
Other
Eligibility
18 Years and older
Enrollment
2,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Sep 25, 2026 · Synced Oct 20, 2026, 6:16 PM EDT
Not listed Not applicable Interventional

End-Tidal Oxygen for Intubation in the Emergency Department

NCT06578468
View directory record Official record
Conditions
Critical Illness, Hypoxia, Respiratory Failure
Interventions
End-tidal oxygen monitor
Device
Lead sponsor
Sydney Local Health District
Government
Eligibility
18 Years and older
Enrollment
1,400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
3
States / cities
Minneapolis, Minnesota • Albuquerque, New Mexico • The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Sep 19, 2024 · Synced Oct 20, 2026, 6:16 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Impact of Extended CPAP on Bronchopulmonary Dysplasia

NCT05547139
View directory record Official record
Conditions
Bronchopulmonary Dysplasia, Prematurity
Interventions
Protocolized weaning of respiratory support
Other
Lead sponsor
Christiana Care Health Services
Other
Eligibility
22 Weeks to 30 Weeks
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Newark, Delaware
Source: ClinicalTrials.gov public record
Updated Aug 29, 2024 · Synced Oct 20, 2026, 6:16 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Use of High Flow Nasal Cannula During Sedation of Morbidly Obese Patients in the Endoscopy Suite

NCT02859597
View directory record Official record
Conditions
Morbid Obesity, Noninvasive Ventilation, Deep Sedation
Interventions
High flow nasal cannula, Nasal Cannula
Device
Lead sponsor
Montefiore Medical Center
Other
Eligibility
18 Years and older
Enrollment
41 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Apr 16, 2020 · Synced Oct 20, 2026, 6:16 PM EDT
Completed Not applicable Interventional

Reducing Isolation and Feeling of Loneliness During Critical Illness

NCT05537311
View directory record Official record
Conditions
Critical Illness, Social Isolation, Anxiety, Depression, Post Intensive Care Unit Syndrome
Interventions
Social Engagement
Behavioral
Lead sponsor
Kirby Mayer
Other
Eligibility
18 Years to 99 Years
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Jul 14, 2023 · Synced Oct 20, 2026, 6:16 PM EDT
Completed No phase listed Interventional Accepts healthy volunteers Results available

Respiratory Rate Validation Study

NCT05856422
View directory record Official record
Conditions
Measure Accuracy of Respiratory Rate
Interventions
Respiratory rate measure based on PPG
Device
Lead sponsor
Gabi SmartCare
Industry
Eligibility
1 Minute to 12 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Louisville, Colorado
Source: ClinicalTrials.gov public record
Updated Nov 26, 2024 · Synced Oct 20, 2026, 6:16 PM EDT
Completed Not applicable Interventional

Treating Sleep Apnea Induced Hypoxemia With Oxygen in Acute Stroke Patients

NCT03300063
View directory record Official record
Conditions
Stroke, Acute
Interventions
Low flow nocturnal oxygen
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 25, 2021 · Synced Oct 20, 2026, 6:16 PM EDT