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Showing 1–24 of 47 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Diaphragm Training 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 2, 2026, 5:37 AM EDT
Recruiting Not applicable Interventional

Platform of Randomized Adaptive Clinical Trials in Critical Illness

NCT05440851
View directory record Official record
Conditions
Respiratory Insufficiency, Extracorporeal Membrane Oxygenation Complication, Mechanical Ventilation Pressure High
Interventions
Ultra-Protective Ventilation Facilitated by Extracorporeal Support, Lung-Protective Ventilation (LPV), Driving Pressure-Limited Ventilation (DPL), Lung- and Diaphragm-Protective Ventilation and Sedation (LDPVS), Early Cohort corticosteroid dose, Extended Cohort corticosteroid dose, Usual care without routine corticosteroids, Usual care without extending corticosteroids, Usual care with fludrocortisone, Usual care without fludrocortisone, Drug 4 mL:, Drug 40 mg:, PEEP-20, PEEP-AOP, PEEP-10, VV ECMO-facilitated strategy of earlier awakening, extubation and rehabilitation, Electrical impedance tomography (EIT), no treatment / intervention arm is involved., Usual care, Early Routine IMT
Other · Drug
Lead sponsor
University Health Network, Toronto
Other
Eligibility
18 Years and older
Enrollment
6,250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
26
States / cities
Tucson, Arizona • Los Angeles, California • San Diego, California + 19 more
Source: ClinicalTrials.gov public record
Updated May 6, 2026 · Synced Sep 2, 2026, 5:37 AM EDT
Recruiting Phase 2Phase 3 Interventional

Randomized Controlled Trial of Treatment to Optimize Heart Rate Variability for Persistent Post-Concussion Symptoms

NCT07071350
View directory record Official record
Conditions
Autonomic Nervous System Disease, Concussive Injury, Mild Traumatic Brain Injury, Post Traumatic Stress Disorder, Persistent Post Concussion Syndrome
Interventions
HRV Coherence Ratio, NSI, Pittsburgh Sleep Quality Index (PSQI), Quantitative Sleep Measures, Patient Global Impression of Change (PGIC), Cognitive Performance/NIH Toolbox Cognitive Battery, Pain Interference/TBI-QoL Pain Interference Short-Form, Patient Health Questionnaire-9 (PHQ-9), PTSD Checklist for DSM-5 (PCL-5), HRV Biofeedback (HRV-B), Psychoeducational (Edu) Comparator Intervention
Other · Behavioral
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years and older
Enrollment
148 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Sep 16, 2025 · Synced Sep 2, 2026, 5:37 AM EDT
Completed Not applicable Interventional

Effectiveness of Diaphragmatic Breathing on Reflux Symptoms in Outpatients

NCT04120025
View directory record Official record
Conditions
GERD
Interventions
Diaphragm Training
Behavioral
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
192 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Jan 18, 2023 · Synced Sep 2, 2026, 5:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Comparing the Effectiveness of Various Interventions on Improving Lumbar Proprioception

NCT04712695
View directory record Official record
Conditions
Proprioception
Interventions
Exercise Based Interventions
Other
Lead sponsor
Black Hills State University
Other
Eligibility
18 Years to 35 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Spearfish, South Dakota
Source: ClinicalTrials.gov public record
Updated Jan 18, 2021 · Synced Sep 2, 2026, 5:37 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Rehab and Mechanical Ventilation

NCT07427121
View directory record Official record
Conditions
Inspiratory Strength Training (IST), Transcutaneous Spinal Stimulation, Sham Spinal Stimulation
Interventions
Spinal cord stimulation, Inspiratory Strength Training, Sham Stimulation
Device · Behavioral · Other
Lead sponsor
University of Florida
Other
Eligibility
25 Years to 80 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated May 4, 2026 · Synced Sep 2, 2026, 5:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Behavioral Medicine Intervention With Depressed Patients in a Community Health Center Setting

NCT01330420
View directory record Official record
Conditions
Depression
Interventions
Relaxation Response Resiliency Program for Depression
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
21 Years and older
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2010
U.S. locations
2
States / cities
Charlestown, Massachusetts • Revere, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 20, 2017 · Synced Sep 2, 2026, 5:37 AM EDT
Completed Not applicable Interventional

Improving Brief Marijuana Interventions With a Behavioral Economic Supplement

NCT02837315
View directory record Official record
Conditions
Marijuana Use
Interventions
Brief Motivational Intervention (BMI), Substance-Free Activity Session (SFAS), Relaxation Session
Behavioral
Lead sponsor
University of Memphis
Other
Eligibility
18 Years and older
Enrollment
133 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated May 1, 2017 · Synced Sep 2, 2026, 5:37 AM EDT
Completed Not applicable Interventional Results available

Prospective Case Series to Refine Standalone Cognitive Behavioral Therapy Components for Multiple Sclerosis Fatigue

NCT05848323
View directory record Official record
Conditions
Multiple Sclerosis, Fatigue
Interventions
4-week Relaxation Training, 4-week Behavioral Activation, 4-week Cognitive Therapy
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Nov 25, 2025 · Synced Sep 2, 2026, 5:37 AM EDT
Completed Not applicable Interventional Results available

Anxiety in Older Veterans

NCT02400723
View directory record Official record
Conditions
Anxiety Disorders
Interventions
Progressive Muscle Relaxation, Diaphragmatic Breathing, Psychoeducation (Placebo)
Behavioral · Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
60 Years and older
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Jan 30, 2023 · Synced Sep 2, 2026, 5:37 AM EDT
Completed Not applicable Interventional

Assessing the Impact of Weighted Blankets on Anxiety Among Inpatients With Anorexia Nervosa: a Study Protocol

NCT04191720
View directory record Official record
Conditions
Anorexia Nervosa, Avoidant/Restrictive Food Intake Disorder, Anxiety
Interventions
Weighted blanket
Other
Lead sponsor
Denver Health and Hospital Authority
Other
Eligibility
18 Years to 89 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Dec 9, 2019 · Synced Sep 2, 2026, 5:37 AM EDT
Not listed Not applicable Interventional

The Effect of an Individualized Impairment-based, Orthopedic Physical Therapy Intervention (IOI), on Muscle Stiffness, Pelvic Floor Function, and Pain in Women With Chronic Pelvic Pain

NCT04851730
View directory record Official record
Conditions
Pelvic Pain, Chronic Pain, Muscle Tightness
Interventions
Orthopedic Physical Therapy Intervention, Dry Needling
Procedure · Device
Lead sponsor
Texas Woman's University
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
Lee's Summit, Missouri
Source: ClinicalTrials.gov public record
Updated Apr 19, 2021 · Synced Sep 2, 2026, 5:37 AM EDT
Completed Not applicable Interventional

A Study of Family-based Cognitive-behavioral Therapy for Chronic Pediatric Headache and Anxiety

NCT01182051
View directory record Official record
Conditions
Pediatric, Headache, Anxiety
Interventions
CBT or relaxation training
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
7 Years to 17 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated May 23, 2013 · Synced Sep 2, 2026, 5:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Mobile Stress Management Program for African American Women

NCT04863781
View directory record Official record
Conditions
Psychological Stress
Interventions
Mobile cognitive-behavioral stress management intervention, Control
Behavioral
Lead sponsor
ISA Associates, Inc.
Other
Eligibility
18 Years and older · Female only
Enrollment
139 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Alexandria, Virginia
Source: ClinicalTrials.gov public record
Updated Sep 30, 2024 · Synced Sep 2, 2026, 5:37 AM EDT
Enrolling by invitation Not applicable Interventional

Targeting Hypervigilance and Autonomic Arousal: the Psycho-physiologic Model of Gastroesophageal Reflux Disease (GERD)

NCT04960566
View directory record Official record
Conditions
Gastroesophageal Reflux
Interventions
Cognitive Behavioral Therapy, Sham-SOC Lifestyle Coaching
Other
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 80 Years
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
2
States / cities
Chicago, Illinois • St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Aug 10, 2025 · Synced Sep 2, 2026, 5:37 AM EDT
Not listed Not applicable Interventional

Doctor-Recommended Home-Based Exercise Program or Relaxation Training in Improving Physical Function and Controlling Symptoms in Patients With Stage IV or Recurrent Colon Cancer That Cannot Be Removed By Surgery

NCT00985400
View directory record Official record
Conditions
Colorectal Cancer
Interventions
Exercise Program, Telephone-based intervention, Counseling intervention, Questionnaire administration, Relaxation Program
Behavioral · Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
154 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2023
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 30, 2022 · Synced Sep 2, 2026, 5:37 AM EDT
Not yet recruiting Not applicable Interventional

Conservative Care for Pelvic Pain (C2P2) in Women Service Members

NCT06697548
View directory record Official record
Conditions
Chronic Pelvic Pain
Interventions
Pain Neuroscience Education, Lumbopelvic and Hip Therapeutic Exercise, Extrapelvic Manual Therapy, Extrapelvic Dry Needling, Deep Paced Diaphragmatic Breathing Training, Chronic Pelvic Pain Education, Intravaginal and intrarectal pelvic floor physical therapy
Other
Lead sponsor
Baylor University
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
2
States / cities
San Antonio, Texas • Waco, Texas
Source: ClinicalTrials.gov public record
Updated Nov 19, 2024 · Synced Sep 2, 2026, 5:37 AM EDT
Recruiting Not applicable Interventional

Pre-operative Inspiratory Muscle Strength Training in Total Joint Surgery

NCT05381818
View directory record Official record
Conditions
Arthropathy of Knee, Arthropathy of Hip, Lower Extremity Fracture, Orthopedic Disorder
Interventions
Daily Inspiratory Muscle Training (dIMT), Acute Inspiratory Muscle Training (aIMT), Standard of Care (SOC)
Behavioral · Other
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 100 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated May 14, 2026 · Synced Sep 2, 2026, 5:37 AM EDT
Terminated Phase 1Phase 2 Interventional Results available

Project 4A: Inspiratory Muscle Training and Diaphragm Strength

NCT02367170
View directory record Official record
Conditions
Sepsis
Interventions
Bilateral phrenic nerve stimulation and measurement of transdiaphragmatic pressure, Midazolam, Volitional Measurement of Maximal Inspiratory Pressure (MIP), Inspiratory Muscle Strength Training (IMST), SHAM Inspiratory Muscle Strength Training (IMST), Diaphragm thickness measurement, Blood and Urine samples
Procedure · Drug · Device + 1 more
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated May 6, 2018 · Synced Sep 2, 2026, 5:37 AM EDT
Terminated Not applicable Interventional Results available

Impact of Respiratory Training in Lymphoma Survivors

NCT05938127
View directory record Official record
Conditions
Hodgkin Lymphoma, Non Hodgkin Lymphoma
Interventions
Inspiratory muscle strength training, Sham Inspiratory muscle strength training
Device
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 80 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
2
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Feb 26, 2026 · Synced Sep 2, 2026, 5:37 AM EDT
Not listed Not applicable Interventional

The Prescriptive Validity of a Novel Fall Risk Clinical Prediction Rule for People With COPD

NCT05173532
View directory record Official record
Conditions
Pulmonary Disease, Chronic Obstructive
Interventions
Balance Training, Breathing and Stretching Exercises
Other
Lead sponsor
Texas Woman's University
Other
Eligibility
60 Years and older
Enrollment
88 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
4
States / cities
Houston, Texas • Sugar Land, Texas • Webster, Texas
Source: ClinicalTrials.gov public record
Updated Apr 26, 2022 · Synced Sep 2, 2026, 5:37 AM EDT
Not listed Not applicable Interventional

Comparison of Craniosacral Therapy vs Pelvic Floor Physical Therapy

NCT03213522
View directory record Official record
Conditions
Multiple Sclerosis, Bladder Dysfunction, Urinary Incontinence, Overactive Bladder
Interventions
Pelvic Floor Physical Therapy, Craniosacral Therapy
Procedure
Lead sponsor
CentraState Medical Center
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Freehold, New Jersey
Source: ClinicalTrials.gov public record
Updated Jul 10, 2017 · Synced Sep 2, 2026, 5:37 AM EDT
Recruiting Not applicable Interventional

Inspiratory Muscle Strength Training in Chronic Kidney Disease

NCT04911491
View directory record Official record
Conditions
Chronic Kidney Diseases, Hypertension, Aging, Blood Pressure
Interventions
IMST, Sham Training
Device
Lead sponsor
University of Colorado, Denver
Other
Eligibility
50 Years and older
Enrollment
108 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated May 1, 2025 · Synced Sep 2, 2026, 5:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Diaphragm Structure and Function in Children

NCT06230692
View directory record Official record
Conditions
Respiratory Muscle Training
Interventions
POWERbreathe Plus IMT
Device
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
6 Years to 12 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 29, 2026 · Synced Sep 2, 2026, 5:37 AM EDT