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Showing 1–24 of 25 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Nasal Breathing Exercises Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Diaphragm Function and Diver Endurance

NCT04679402
View directory record Official record
Conditions
Respiratory Muscles
Interventions
Carbon monoxide 200 ppm in air
Other
Lead sponsor
Duke University
Other
Eligibility
18 Years to 45 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 12, 2024 · Synced Sep 1, 2026, 5:59 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effects of the Breathe Technologies Ventilation System in Subjects With Chronic Obstructive Pulmonary Disease

NCT01372462
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
NIOV - Room Air, NIOV - Oxygen, Nasal Cannula Oxygen
Device
Lead sponsor
Breathe Technologies, Inc.
Industry
Eligibility
40 Years and older · Male only
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Torrance, California
Source: ClinicalTrials.gov public record
Updated Oct 11, 2016 · Synced Sep 1, 2026, 5:59 PM EDT
Completed No phase listed Observational

COVID-19 Respiratory Outcomes Registry

NCT05074875
View directory record Official record
Conditions
Covid19
Interventions
Questionnaires and Patient Reported Outcomes (PROs), Nasal Swab COVID-19 reverse transcription polymerase chain reaction test (RT-PCR), Blood Samples for Biomarkers, High Resolution Computed Tomography, Physical Exam and Vital Signs, Medical Research Council Sum Score, Hand Grip Strength, Spirometry, Diffusing Capacity of Carbon Monoxide, 6 Minute Walk Test, Sit to Stand (STS) Measurement
Other · Diagnostic Test · Genetic
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years and older
Enrollment
37 participants
Timeline
2021 – 2023
U.S. locations
4
States / cities
St Louis, Missouri • New York, New York • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 26, 2023 · Synced Sep 1, 2026, 5:59 PM 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 Sep 1, 2026, 5:59 PM EDT
Completed Not applicable Interventional

Expiratory Muscle Conditioning in Multiple Sclerosis Using Magnetic Stimulation

NCT01758224
View directory record Official record
Conditions
Multiple Sclerosis
Interventions
Functional Magnetic Stimulation, Resistive Expiratory Muscle Training
Other
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years to 70 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 3, 2016 · Synced Sep 1, 2026, 5:59 PM EDT
Withdrawn Not applicable Interventional

Phonation Therapy to Improve Symptoms and Lung Physiology in Patients Referred for Pulmonary Rehabilitation

NCT05621967
View directory record Official record
Conditions
COVID-19
Interventions
Tonation Breathing Techniques, Music Driven Vocal Exercises, Silent Breathing
Behavioral
Lead sponsor
MetroHealth Medical Center
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 22, 2023 · Synced Sep 1, 2026, 5:59 PM EDT
Completed Not applicable Interventional Results available

Effects of Continuous Positive Airway Pressure (CPAP) on Glucose Metabolism

NCT01503164
View directory record Official record
Conditions
Obstructive Sleep Apnea, Sleep Apnea, Sleep-disordered Breathing
Interventions
Positive Pressure Therapy (PAP), LifeStyle Counseling
Device · Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
21 Years to 75 Years
Enrollment
111 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 18, 2017 · Synced Sep 1, 2026, 5:59 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effect of High Velocity/Hyperoxic Breathing Therapy on Blood Lactate Decline

NCT05984186
View directory record Official record
Conditions
Dyspnea, Lactic Acidosis, Muscle, Breathlessness, Exercise, Recovery
Interventions
High Velocity Therapy
Device
Lead sponsor
Vapotherm, Inc.
Industry
Eligibility
18 Years to 30 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Auburn, Alabama
Source: ClinicalTrials.gov public record
Updated Oct 7, 2024 · Synced Sep 1, 2026, 5:59 PM EDT
Terminated Phase 2 Interventional Accepts healthy volunteers

Cerebrovascular Reactivity Assessed With fNIRS as a Biomarker of TCVI After Acute Traumatic Brain Injury in Military

NCT04058132
View directory record Official record
Conditions
Traumatic Brain Injury
Interventions
Sildenafil Citrate 50Mg Tab, functional Near-infrared Spectroscopy (fNIRS), Carbon Dioxide (CO2) 5%, Neuropsychological Assessments, Gadolinium contrast infusion, Blood sample collection for research purposes, Structural brain Magnetic Resonance Imaging (MRI
Drug · Device · Other + 1 more
Lead sponsor
Uniformed Services University of the Health Sciences
Federal
Eligibility
18 Years to 55 Years
Enrollment
1 participant
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 27, 2024 · Synced Sep 1, 2026, 5:59 PM EDT
Completed Not applicable Interventional

Effect of Myofunctional Therapy on OSA

NCT04608552
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
OMT Exercises, Nasal Breathing Exercises, Use of Nasal Lavage
Behavioral · Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 70 Years
Enrollment
209 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Jan 7, 2026 · Synced Sep 1, 2026, 5:59 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Eyes-Closed Interoceptive Aerobic Exercise Compared With Matched Eyes-Open Treadmill Exercise in Healthy Adults

NCT07625371
View directory record Official record
Conditions
Exercise, Physical Activity, Healthy Adult, Interoception, Affect and Exertion During and Post-exercise
Interventions
Eyes-Closed Interoceptive Aerobic Exercise, Matched Eyes-Open Treadmill Exercise
Behavioral
Lead sponsor
Old Dominion University
Other
Eligibility
18 Years to 45 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Norfolk, Virginia
Source: ClinicalTrials.gov public record
Updated Jun 3, 2026 · Synced Sep 1, 2026, 5:59 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Tongue Motor Recruitment During Exercise

NCT02687737
View directory record Official record
Conditions
Healthy
Interventions
Electromyography, Maximum expiratory pressure, Videofluoroscopy, Swallowing Tasks
Procedure · Behavioral
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 90 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jan 4, 2017 · Synced Sep 1, 2026, 5:59 PM EDT
Completed Not applicable Interventional

Acute Fetal Response to Prenatal Yoga

NCT02063711
View directory record Official record
Conditions
Pregnancy
Interventions
Yoga intervention
Behavioral
Lead sponsor
University of Missouri, Kansas City
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Mar 30, 2015 · Synced Sep 1, 2026, 5:59 PM EDT
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Swallowing in OSA & CPAP Intolerance

NCT06786117
View directory record Official record
Conditions
Sleep Apnea, Obstructive, Healthy
Interventions
SLP swallowing exercises, myofunctional exercises
Other
Lead sponsor
Denise Dewald
Other
Eligibility
40 Years to 70 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 10, 2025 · Synced Sep 1, 2026, 5:59 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Breathe for Hot Flashes Randomized Controlled Trial

NCT00819182
View directory record Official record
Conditions
Hot Flashes
Interventions
Paced respiration, Sham comparator: fast shallow breathing
Behavioral
Lead sponsor
Indiana University
Other
Eligibility
18 Years and older · Female only
Enrollment
218 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2013
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Mar 23, 2016 · Synced Sep 1, 2026, 5:59 PM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Home-Based Respiratory Muscle Training and Aerobic Exercise Programs to Improve Lung Health in Current and Former Cigarette Smokers

NCT07553819
View directory record Official record
Conditions
Lung Carcinoma
Interventions
Accelerometry, Aerobic Exercise, Biospecimen Collection, Educational Intervention, Electronic Health Record Review, Physical Performance Testing, Respiratory Muscle Training, Supportive Care, Survey Administration
Procedure · Other
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
50 Years and older
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Aug 20, 2026 · Synced Sep 1, 2026, 5:59 PM EDT
Terminated Not applicable Interventional

Effects of Chemoradiation and Surgery on Cardiopulmonary Fitness and Tumor Neoplastic Phenotype in Gastrointestinal Malignancies

NCT02235441
View directory record Official record
Conditions
Pathologically Proven Gastrointestinal Malignancy, Plan of Care Must Include Chemoradiation
Interventions
Cardiopulmonary Exercise Test (CPET)
Other
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 10, 2017 · Synced Sep 1, 2026, 5:59 PM EDT
Active, not recruiting Not applicable Interventional

Stress Management Program

NCT06526585
View directory record Official record
Conditions
Stress, Anxiety
Interventions
Cyclic Sighing Breathing, Box Breathing, Hypnosis, Audiobook
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Aug 19, 2026 · Synced Sep 1, 2026, 5:59 PM EDT
Completed Not applicable Interventional Results available

Non-invasive Ventilation System in Moderate-to-Severe Chronic Obstructive Pulmonary Disease (COPD)

NCT01355978
View directory record Official record
Conditions
Pulmonary Disease, Chronic Obstructive, Airflow Obstruction, Chronic, Chronic Obstructive Airway Disease, Chronic Obstructive Lung Disease
Interventions
Noninvasive Open Ventilation System
Device
Lead sponsor
Breathe Technologies, Inc.
Industry
Eligibility
21 Years to 80 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011
U.S. locations
3
States / cities
Concord, California • San Diego, California • Ogden, Utah
Source: ClinicalTrials.gov public record
Updated Oct 11, 2016 · Synced Sep 1, 2026, 5:59 PM EDT
Active, not recruiting No phase listed Observational

Long Term Follow up of Children Enrolled in the REDvent Study

NCT03709199
View directory record Official record
Conditions
Respiratory Distress Syndrome, Adult, Ventilator-Induced Lung Injury, Neurocognitive Dysfunction, Quality of Life, Respiration Disorders
Interventions
Ventilation Inhomogeneity, Diaphragm Ultrasound, Respiratory Inductance Plethysmography, Spirometry, Functional Residual Capacity, MIP/MEP, 6 minute walk test, Neurocognitive Testing, Emotional Health Assessment, Health Related Quality of Life, Functional Status, Respiratory Status Questionnaire
Diagnostic Test
Lead sponsor
Children's Hospital Los Angeles
Other
Eligibility
1 Month to 18 Years
Enrollment
176 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2026
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Apr 16, 2025 · Synced Sep 1, 2026, 5:59 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Comparing the Effects of Pelvic Alignment Versus Diaphragmatic Breathing on Shoulder Range of Motion

NCT04255355
View directory record Official record
Conditions
Glenohumeral Internal Rotation Deficit, Pelvic Misalignment, Diaphragmatic Breathing
Interventions
Pelvic alignment and forceful expiration, Pelvic repositioning exercise, Diaphragmatic breathing exercise
Other
Lead sponsor
University of North Georgia
Other
Eligibility
18 Years to 40 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Dahlonega, Georgia
Source: ClinicalTrials.gov public record
Updated Mar 30, 2020 · Synced Sep 1, 2026, 5:59 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Feasibility of Breathwork Intervention With Older Adults After Knee Surgery

NCT07464860
View directory record Official record
Conditions
Surgical Stress Response, Stress Physiological, Stress Physiology, Stress Psychological, Breathing Techniques, Breathing Exercises, Hypothalamic Pituitary Adrenal, Relaxation, Relaxation Therapy, Cortisol, Postoperative Pain, Postoperative Anxiety, Postoperative Depression, Quality of Recovery (QoR-15)
Interventions
A 5-minute Asynchronous Breathwork Intervention, A 5-minute Asynchronous Card Game Video
Behavioral
Lead sponsor
University of Arizona
Other
Eligibility
65 Years and older
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Jul 5, 2026 · Synced Sep 1, 2026, 5:59 PM EDT
Completed Phase 2 Interventional Results available

Capnometry-Assisted Breathing Training for COPD

NCT03457103
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
Capnometry-Assisted Training for COPD to Slow the Breath (CATCH), Pulmonary Rehabilitation (PR)
Device
Lead sponsor
NYU Langone Health
Other
Eligibility
40 Years and older
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 17, 2021 · Synced Sep 1, 2026, 5:59 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Comparing Nose & Mouth Breathing During Exercise

NCT05702047
View directory record Official record
Conditions
Healthy
Interventions
Nose-only breathing, Mouth-only breathing
Behavioral
Lead sponsor
Florida State University
Other
Eligibility
18 Years to 30 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Tallahassee, Florida
Source: ClinicalTrials.gov public record
Updated Nov 14, 2024 · Synced Sep 1, 2026, 5:59 PM EDT