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Showing 1–23 of 23 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: quiet breathing Clear all
Recruiting Not applicable Interventional

Non-Invasive Interventions for Respiratory Recovery in Chronic Spinal Cord Injury

NCT07135583
View directory record Official record
Conditions
Spinal Cord Injury, Chronic, Spinal Cord Injury Cervical, Spinal Cord Injury Thoracic, Incomplete Spinal Cord Injury
Interventions
Active Comparator: Single Intervention 1, Active Comparator: Single Intervention 2, Respiratory Resistance Exercise
Other · Behavioral
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years to 70 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 4, 2026 · Synced Sep 2, 2026, 7:09 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Breathe: Slow Paced Breathing to Lower Blood Pressure

NCT00328016
View directory record Official record
Conditions
High Blood Pressure
Interventions
Guided Breathing, RESPeRATE
Behavioral · Device
Lead sponsor
National Institute on Aging (NIA)
NIH
Eligibility
40 Years to 70 Years
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2009
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Sep 2, 2026, 7:09 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Clinical Evidence of pH Dependent ß2 Adrenergic Transport Mechanisms in the Airway

NCT01216748
View directory record Official record
Conditions
Healthy Volunteers
Interventions
quiet breathing, Hypocapnic Hyperventilation, Hypercapnic Hyperventilation, eucapnic hyperventilation
Other
Lead sponsor
University of Miami
Other
Eligibility
18 Years to 65 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated May 26, 2016 · Synced Sep 2, 2026, 7:09 AM EDT
Completed No phase listed Observational

Prematurity-Related Ventilatory Control

NCT03464396
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jan 30, 2023 · Synced Sep 2, 2026, 7:09 AM EDT
Withdrawn Not applicable Interventional

Relaxation Breathing Training for Children

NCT03271086
View directory record Official record
Conditions
Stress Disorder, Biofeedback
Interventions
The StressEraser, Breathe2Relax, Reminder text messages
Behavioral
Lead sponsor
Boston Medical Center
Other
Eligibility
6 Years to 11 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 16, 2020 · Synced Sep 2, 2026, 7:09 AM 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 2, 2026, 7:09 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Responsiveness to Acute Changes in Exercise and Relaxation (RACER) Trial

NCT03702712
View directory record Official record
Conditions
Breast Cancer
Interventions
Aerobic Exercise and Relaxation, Aerobic Exercise Only, Relaxation Only
Behavioral
Lead sponsor
University of Illinois at Urbana-Champaign
Other
Eligibility
18 Years to 120 Years · Female only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Urbana, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 15, 2019 · Synced Sep 2, 2026, 7:09 AM EDT
Completed Not applicable Interventional

Mindfulness for African Americans Postpartum

NCT05280938
View directory record Official record
Conditions
Mental Disorders of Mother, Postpartum
Interventions
MAAP, Educational Program
Behavioral
Lead sponsor
Loyola University
Other
Eligibility
18 Years to 55 Years · Female only
Enrollment
47 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Maywood, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 27, 2024 · Synced Sep 2, 2026, 7:09 AM EDT
Completed Phase 2 Interventional Results available

Anxiety Self-Management for ICU Patients Receiving Mechanical Ventilation

NCT00440700
View directory record Official record
Conditions
Anxiety
Interventions
Anxiety Self-Management, Patient preferred relaxing music, Control 1: Noise-cancelling headphones, Control 2: Standard of Care
Behavioral
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
364 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2011
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 25, 2013 · Synced Sep 2, 2026, 7:09 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Yoga and Aerobic Exercise Effects on Cognition

NCT04077645
View directory record Official record
Conditions
Stress, Psychological
Interventions
Sun salutations, Aerobic exercise, Seated rest
Behavioral
Lead sponsor
University of Illinois at Urbana-Champaign
Other
Eligibility
18 Years to 45 Years
Enrollment
71 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Urbana, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 23, 2025 · Synced Sep 2, 2026, 7:09 AM EDT
Terminated Not applicable Interventional

Yoga Intervention in Head and Neck Cancer Patients Undergoing Concurrent Chemo-Radiation

NCT04146779
View directory record Official record
Conditions
Head and Neck Cancer
Interventions
Yoga Video, Posture and Strengthening Video, Relaxation Video, Breath Work Video, Satisfaction Survey, Guided Yoga Session, Written Yoga Instructions
Behavioral
Lead sponsor
Vanderbilt-Ingram Cancer Center
Other
Eligibility
21 Years and older
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 7, 2020 · Synced Sep 2, 2026, 7:09 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Menopausal Treatment Using Relaxation Exercises (MaTURE)

NCT01466998
View directory record Official record
Conditions
Hot Flushes, Hot Flashes
Interventions
Paced Respiration, Music Therapy
Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
40 Years to 59 Years · Female only
Enrollment
123 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated May 5, 2014 · Synced Sep 2, 2026, 7:09 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Stress Management in College Students

NCT05392621
View directory record Official record
Conditions
Stress
Interventions
Yoga, Deep Breathing, Progressive Muscle Relaxation, Quiet sitting
Behavioral
Lead sponsor
Wake Forest University
Other
Eligibility
18 Years to 24 Years
Enrollment
46 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 15, 2025 · Synced Sep 2, 2026, 7:09 AM EDT
Recruiting Not applicable Interventional

STimulation to Activate RespIration

NCT06832306
View directory record Official record
Conditions
ARDS (Moderate or Severe), AHRF, Mechanically Ventilated ICU Patients
Interventions
Phrenic Nerve Stimulation
Device
Lead sponsor
Lungpacer Medical Inc.
Industry
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
6
States / cities
La Jolla, California • Shreveport, Louisiana • Winston-Salem, North Carolina + 3 more
Source: ClinicalTrials.gov public record
Updated Aug 5, 2026 · Synced Sep 2, 2026, 7:09 AM EDT
Completed No phase listed Observational

Determinants of Early Cystic Fibrosis Lung Disease

NCT03579173
View directory record Official record
Conditions
Cystic Fibrosis in Children
Interventions
Infant PFT, Lung Clearance Index, Passive tidal breathing
Diagnostic Test
Lead sponsor
Indiana University
Other
Eligibility
1 Month to 5 Years
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Jun 21, 2022 · Synced Sep 2, 2026, 7:09 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Controlling Urgency Through Relaxation Exercises

NCT02202031
View directory record Official record
Conditions
Overactive Bladder, Urgency Urinary Symptoms, Urgency Incontinence
Interventions
Paced Respiration, Music Therapy
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
21 Years and older · Female only
Enrollment
161 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2018
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jul 29, 2019 · Synced Sep 2, 2026, 7:09 AM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Consciousness Studies and Cardiovascular Health

NCT07620639
View directory record Official record
Conditions
Blood Pressure, Relaxation, Virtual Reality
Interventions
Virtual Reality Relaxation, Video Meditation, Live Guided
Behavioral
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Jun 1, 2026 · Synced Sep 2, 2026, 7:09 AM 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 2, 2026, 7:09 AM EDT
Terminated Not applicable Interventional

Feasibility of Music Therapy for Spontaneous Breathing Trials

NCT05008328
View directory record Official record
Conditions
Spontaneous Breathing Trial, Intubation, Mechanical Ventilation, Music Therapy
Interventions
Music therapy plus standard care during an SBT, Standard care during an SBT
Other · Procedure
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Oct 23, 2024 · Synced Sep 2, 2026, 7:09 AM EDT
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Optimization of Exhaled Biomarker Collection and Analysis

NCT05322785
View directory record Official record
Conditions
Respiratory Disease, Healthy
Interventions
Breath collection
Other
Lead sponsor
Indiana University
Other
Eligibility
4 Years to 110 Years
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2030
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Mar 26, 2026 · Synced Sep 2, 2026, 7:09 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Heart Inflammation and Mental Stress Study

NCT03695146
View directory record Official record
Conditions
Hypertension
Interventions
Paced breathing, Active relaxation
Behavioral
Lead sponsor
University of Miami
Other
Eligibility
21 Years to 65 Years
Enrollment
52 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Feb 14, 2024 · Synced Sep 2, 2026, 7:09 AM EDT
Completed Not applicable Interventional

Mindfulness and Yoga Training for Athletes With Concussion (MYTAC)

NCT03304327
View directory record Official record
Conditions
Concussion
Interventions
Mindfulness and Yoga Training
Behavioral
Lead sponsor
Duke University
Other
Eligibility
15 Years to 60 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 25, 2020 · Synced Sep 2, 2026, 7:09 AM EDT
Completed Phase 4 Interventional Results available

Preterm Infant Inhaled Albuterol Dosing

NCT02447250
View directory record Official record
Conditions
Bronchopulmonary Dysplasia, Very Low Birth Weight
Interventions
Varied albuterol dose response
Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
14 Days and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated May 22, 2019 · Synced Sep 2, 2026, 7:09 AM EDT