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ClinicalTrials.gov public records Last synced Sep 6, 2026, 9:48 PM EDT

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Showing 1–14 of 14 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Low-flow Air Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Cardiovascular Assessment of the Effects of Tobacco and Nicotine Delivery Products

NCT01964807
View directory record Official record
Conditions
Adverse Effect of Other Agents Primarily Affecting the Cardiovascular System, Initial Encounter
Interventions
Cigarette, NIDA test type with 16.6 mg nicotine, Cigarette, NIDA test type with <0.45 mg nicotine, Electronic cigarette with 18 mg/ml nicotine, Electronic Cigarette with no nicotine, Moist snuff, Sham Smoking, Secondhand cigarette smoke (SHS), Conditioned, filtered air, Sham Moist Snuff
Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 50 Years
Enrollment
81 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2021
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Dec 26, 2021 · Synced Sep 6, 2026, 9:48 PM EDT
Withdrawn Not applicable Interventional

Comparison of High-flow Oxygen With or Without Nasal Positive Airway Pressure (PAP) During Propofol Sedation for Colonoscopy in an Ambulatory Surgical Center

NCT05754255
View directory record Official record
Conditions
Colonoscopy, Positive-Pressure Respiration
Interventions
Nasal Cannula, Nasal Positive Airway Pressure System
Device
Lead sponsor
Indiana University
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Feb 23, 2026 · Synced Sep 6, 2026, 9:48 PM EDT
Enrolling by invitation Phase 1 Interventional Accepts healthy volunteers

Pain Biomarker Study

NCT03511846
View directory record Official record
Conditions
Migraine, Cluster Headache, Trigeminal Autonomic Cephalgia, Hemicrania Continua, Paroxysmal Hemicrania, SUNCT, Short-Lasting Unilateral Neuralgiform Headache With Conjunctival Injection and Tearing
Interventions
Oral capsaicin, Topical capsaicin, Intranasal capsaicin, Cold Water Irrigation, Medical Air, Low Flow Oxygen, High Flow Oxygen
Drug · Other
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years and older
Enrollment
371 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2028
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 17, 2026 · Synced Sep 6, 2026, 9:48 PM EDT
Terminated Phase 3 Interventional Results available

The Impact of Low Flow Nocturnal Oxygen Therapy on Hospital Admissions and Mortality in Patients With Heart Failure and Central Sleep Apnea

NCT03745898
View directory record Official record
Conditions
Heart Failure, Central Sleep Apnea
Interventions
Oxygen, Room Air
Drug · Other
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
21 Years and older
Enrollment
98 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
26
States / cities
Tucson, Arizona • Stanford, California • New Haven, Connecticut + 20 more
Source: ClinicalTrials.gov public record
Updated Jul 31, 2023 · Synced Sep 6, 2026, 9:48 PM EDT
Not listed Phase 2 Interventional Results available

High-Flow Oxygen in Reducing Shortness of Breath Caused by Exercise in Patients With Cancer

NCT02357134
View directory record Official record
Conditions
Dyspnea, Malignant Neoplasm
Interventions
Oxygen Therapy, Quality-of-Life Assessment, Questionnaire Administration, Respiratory Therapy
Procedure · Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
74 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2023
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Dec 6, 2022 · Synced Sep 6, 2026, 9:48 PM EDT
Completed Phase 2 Interventional Results available

High-Flow Oxygen for Dyspnea in Hospitalized Cancer Patients

NCT02932332
View directory record Official record
Conditions
Cancer
Interventions
High-flow Oxygen, Low-flow Oxygen, High-flow Air, Low-flow Air
Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2023
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Apr 20, 2023 · Synced Sep 6, 2026, 9:48 PM EDT
Recruiting Phase 3 Interventional

InfasurfAero™ Versus Sham Treatment in Preterm Newborns With RDS

NCT05960929
View directory record Official record
Conditions
Respiratory Distress Syndrome (Neonatal), Intubation Complication, Death; Neonatal
Interventions
Infasurf Aero™
Combination Product
Lead sponsor
ONY
Industry
Eligibility
29 Weeks to 36 Weeks
Enrollment
220 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
10
States / cities
Phoenix, Arizona • San Diego, California • Jacksonville, Florida + 6 more
Source: ClinicalTrials.gov public record
Updated Mar 29, 2025 · Synced Sep 6, 2026, 9:48 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Venturi and Peristaltic Based Phacoemulsification in Femtosecond Laser Cataract Surgery

NCT03970525
View directory record Official record
Conditions
Cataract Senile
Interventions
Venturi pump, Peristaltic vacuum pump
Device
Lead sponsor
Wendell Scott
Other
Eligibility
22 Years to 90 Years
Enrollment
111 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Springfield, Missouri
Source: ClinicalTrials.gov public record
Updated Apr 2, 2023 · Synced Sep 6, 2026, 9:48 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Lower Extremity BFR-randomized Controlled Trial Healthy Volunteers

NCT05868304
View directory record Official record
Conditions
Healthy
Interventions
BFR, Stanard strengthening program.
Device · Other
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Nov 24, 2025 · Synced Sep 6, 2026, 9:48 PM EDT
Terminated Not applicable Interventional Results available

Transnasal Cooling for Migraine

NCT04936061
View directory record Official record
Conditions
Migraine, Episodic Migraine, Migraine With Aura, Migraine Without Aura
Interventions
CoolStat active device, CoolStat sham device
Device
Lead sponsor
CoolTech LLC
Industry
Eligibility
18 Years to 80 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
3
States / cities
Scottsdale, Arizona • East Lansing, Michigan • Charlotte, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 28, 2023 · Synced Sep 6, 2026, 9:48 PM EDT
Completed Not applicable Interventional Results available

Evaluating High Flow Humidification Therapy in Patients With Cystic Fibrosis

NCT02129803
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jan 5, 2021 · Synced Sep 6, 2026, 9:48 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

The Effect of the DryMouth Shield on Snoring

NCT03701165
View directory record Official record
Conditions
Snoring
Interventions
DryMouth Shield
Device
Lead sponsor
VMS Medical Products, Inc
Industry
Eligibility
18 Years to 99 Years
Enrollment
3 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Huntersville, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 26, 2022 · Synced Sep 6, 2026, 9:48 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Non-invasive Ocular Surface Measurements Before and After Interventions

NCT01228929
View directory record Official record
Conditions
Dry Eye Syndrome, Healthy
Interventions
Environmental Chamber Condition Change Intervention
Other
Lead sponsor
University of Rochester
Other
Eligibility
18 Years to 89 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2014
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Oct 11, 2015 · Synced Sep 6, 2026, 9:48 PM EDT
Completed Not applicable Interventional

Postoperative Nasal High Flow Versus Oxygen for Positive Airway Pressure Non-Compliance Sleep Apnea Patients

NCT02485236
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
Low flow oxygen via nasal cannula, Humidified Nasal High Flow Therapy
Device
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 8, 2019 · Synced Sep 6, 2026, 9:48 PM EDT