Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 30, 2026, 1:27 PM EDT

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Showing 25–48 of 110 matching trials from the live ClinicalTrials.gov search.
Conditions
Cystic Fibrosis
Interventions
High-Flow, 20 LPM (via Optiflow cannula), Low FLow, 5 LPM (via Optiflow cannula)
Device
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
10 Years to 50 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
Richmond, Virginia
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
Conditions
Acute Hypoxemic Respiratory Failure
Interventions
HFNC only, HFNC + CNEP10, HFNC + CNEP20, HFNC + CNEP30
Device
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
New York, New York
Conditions
Obesity, Morbid, Extubation Failure
Interventions
Noninvasive ventilation alternating with high flow nasal cannula, High flow nasal cannula
Device
Lead sponsor
Rush University Medical Center
Other
Eligibility
18 Years and older
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
4
States / cities
Chicago, Illinois • Winfield, Illinois • Houston, Texas + 1 more
Conditions
Acute Respiratory Failure
Interventions
Noninvasive positive pressure ventilation (NIPPV), Vapotherm
Device
Lead sponsor
Vapotherm, Inc.
Industry
Eligibility
18 Years and older
Enrollment
204 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
5
States / cities
Athens, Georgia • Florence, South Carolina • Chattanooga, Tennessee + 2 more
Completed Not applicable Interventional Accepts healthy volunteers

HIFLO ENDO-High Flow Nasal Cannula in GI Endoscopy

NCT03028688
Conditions
Anesthesia Morbidity
Interventions
High flow nasal cannula oxygen
Device
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years and older
Enrollment
262 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
Hematopoietic and Lymphoid Cell Neoplasm, Malignant Solid Neoplasm
Interventions
Methylprednisolone, Oxygen Therapy, Positive Air Pressure Device
Drug · Procedure · Device
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
256 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2026
U.S. locations
1
States / cities
Houston, Texas
Conditions
Enteral Feeding in Bronchiolitis
Interventions
Nasogastric tube (NGT) feeding, Nasoduodenal tube (NDT) feeding
Device
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
Up to 12 Months
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Houston, Texas
Active, not recruiting No phase listed Observational

Assessment of PaO2/FiO2 Ratio Pre and POst INTubation

NCT05853068
Conditions
Acute Hypoxemic Respiratory Failure
Interventions
Mechanical ventilation
Device
Lead sponsor
Hospital Universitario de Gran Canaria Doctor Negrín
Other
Eligibility
18 Years and older
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
Prone Positioning, Covid19, Hypoxemic Respiratory Failure, ARDS, Non Invasive Ventilation, High Flow Nasal Cannulla
Interventions
Body position change
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 110 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Rochester, Minnesota
Conditions
Pulmonary Disease, Chronic Obstructive, Lung Diseases, Interstitial, Pulmonary Fibrosis, Hypoxemia, Dyspnea, Oxygen Inhalation Therapy
Interventions
Nasal Delivery of High-Flow Air and Oxygen Therapy, Nasal Delivery of Oxygen Therapy
Device
Lead sponsor
Johns Hopkins University
Other
Eligibility
30 Years to 100 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
2
States / cities
Baltimore, Maryland
Completed No phase listed Observational

CTTI Risk Factors for HABP/VABP Study

NCT02689531
Conditions
Pneumonia, Ventilator-Associated, Pneumonia, Bacterial, Pneumonia, Hospital-Acquired
Interventions
Not listed
Lead sponsor
Duke University
Other
Eligibility
Not listed
Enrollment
7,530 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
15
States / cities
Birmingham, Alabama • Los Angeles, California • Chicago, Illinois + 12 more
Conditions
Bronchiolitis
Interventions
Initial Flow Rate
Other
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
7 Days to 12 Months
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
Dallas, Texas
Conditions
Bronchoscopy
Interventions
THRIVE, Endotracheal tube or Supraglottic airway
Device
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 80 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Stanford, California
Conditions
Respiratory Control in Premature Infants
Interventions
Bedside Physiology study, Carotid Body Function Test, Room Air Challenge, Hypoxia Challenge Test, Effects of Nasal Cannula Flow, Magnetic Resonance Imaging, Echocardiogram, Blood Sample
Other · Diagnostic Test
Lead sponsor
Washington University School of Medicine
Other
Eligibility
1 Day to 28 Days
Enrollment
177 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
St Louis, Missouri
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
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
Conditions
Lung Cancer
Interventions
Vapotherm, Regular nasal canula
Device
Lead sponsor
The Cooper Health System
Other
Eligibility
18 Years and older
Enrollment
198 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Camden, New Jersey
Conditions
Transmission, Patient-Professional
Interventions
Filter, Scavenger face tent
Device
Lead sponsor
Rush University Medical Center
Other
Eligibility
18 Years to 65 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
Bronchopulmonary Dysplasia
Interventions
Synchronized HFNC at 6 liters per minute (LPM), Continuous HFNC at 6 liters per minute (LPM), Synchronized HFNC at 8 liters per minute (LPM), Continuous HFNC at 8 liters per minute (LPM)
Other
Lead sponsor
University of Arkansas
Other
Eligibility
28 Days to 1 Year
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Little Rock, Arkansas
Conditions
Acute Hypoxemic Respiratory Failure
Interventions
ROX index algorithm
Diagnostic Test
Lead sponsor
Hospital Universitari Vall d'Hebron Research Institute
Other
Eligibility
18 Years to 120 Years
Enrollment
630 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
COPD
Interventions
myAirvo3, Pulse oximeter
Device
Lead sponsor
Temple University
Other
Eligibility
30 Years and older
Enrollment
642 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
25
States / cities
Birmingham, Alabama • Scottsdale, Arizona • Jacksonville, Florida + 20 more
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Prolonged Hypoxic Breathing in Healthy Volunteers: a Safety Study

NCT02860975
Conditions
Healthy Volunteers
Interventions
Inhaled Nitrogen
Other
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 40 Years
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Desaturation of Blood, Colonoscopy
Interventions
Salter nasal cannula, Face mask, High Flow Nasal Cannula
Other · Device
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 80 Years
Enrollment
143 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
1
States / cities
Dallas, Texas