Independent directory Public ClinicalTrials.gov records United States
Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Oct 3, 2026, 12:58 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 73–96 of 109 matching trials from the live ClinicalTrials.gov search.
Completed Not applicable Interventional Results available

Respiratory Muscle Strength Training in Presbyphonia

NCT03557775
Conditions
Presbylarynx
Interventions
Inspiratory Muscle Strength Training (IMST), Expiratory Muscle Strength Training (EMST), Voice Exercises
Device · Behavioral
Lead sponsor
Medical University of South Carolina
Other
Eligibility
50 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Charleston, South Carolina
Recruiting Early Phase 1 Interventional Accepts healthy volunteers

Sleep, Dreaming, and Virtual Reality for Mental Health

NCT07408206
Conditions
Anxiety
Interventions
Dream Yoga Inspired Intervention, Sleep Health Enhancement Program (SHEP)
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
2
States / cities
Evanston, Illinois • Charlottesville, Virginia
Conditions
Obstructive Sleep Apnea (OSA), Traumatic Brain Injury (TBI)
Interventions
High-Resistance Breathing and Drinking Exercises, Low-Resistance Breathing and Drinking Exercises
Behavioral
Lead sponsor
Uniformed Services University of the Health Sciences
Federal
Eligibility
18 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Bethesda, Maryland
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
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Heart Rate Variability Biofeedback for Smoking Cessation Treatment

NCT05224050
Conditions
Tobacco Smoking
Interventions
Cognitive-Behavioral Smoking Cessation, Heart Rate Variability Biofeedback, Nicotine patch
Behavioral · Biological · Drug
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
21 Years to 50 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
New Brunswick, New Jersey
Completed Not applicable Interventional Accepts healthy volunteers

Diaphragm Structure and Function in Children

NCT06230692
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
Completed Not applicable Interventional Results available

Using the Canary Breathing System for Panic Disorder Patients

NCT01955954
Conditions
Panic Disorder
Interventions
Canary Breathing System
Device
Lead sponsor
Palo Alto Health Sciences, Inc.
Industry
Eligibility
18 Years to 60 Years
Enrollment
69 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
4
States / cities
Oakland, California • Hartford, Connecticut • Hoffman Estates, Illinois + 1 more
Conditions
Spinal Cord Injury
Interventions
Respiratory Muscle Training
Behavioral
Lead sponsor
University of Louisville
Other
Eligibility
18 Years to 80 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2019
U.S. locations
1
States / cities
Louisville, Kentucky
Conditions
Cardiovascular Disease, Coronary Artery Disease
Interventions
Heart Rate Variability (HRV) Biofeedback (BF), Mental Stress Protocol
Behavioral · Other
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
4
States / cities
Atlanta, Georgia
Conditions
Post-COVID-19 Syndrome, Dyspnea
Interventions
Respiratory Muscle Strength Trainers
Device
Lead sponsor
University of South Florida
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Tampa, Florida
Conditions
Resilience, Stroke
Interventions
Res-ET intervention
Other
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 55 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Salt Lake City, Utah
Conditions
Hematopoietic/Lymphoid Cancer
Interventions
Paced respiration as part of PEPRR, PEPRR
Device · Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years and older
Enrollment
298 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2013
U.S. locations
2
States / cities
Aurora, Colorado • Denver, Colorado
Conditions
Heart Failure With Reduced Ejection Fraction
Interventions
Powerbreathe
Device
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
1
States / cities
Rochester, Minnesota
Conditions
Obesity, Cerebrovascular Function, Immune Cells Activity
Interventions
High intensity inspiratory muscle strength training, Low intensity
Device
Lead sponsor
Florida State University
Other
Eligibility
18 Years to 45 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Tallahassee, Florida
Completed Not applicable Interventional Accepts healthy volunteers

Mechanisms of Arterial Hypotension in Chronic Spinal Cord Injury

NCT02154412
Conditions
Spinal Cord Injury
Interventions
Respiratory Training
Other
Lead sponsor
University of Louisville
Other
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2019
U.S. locations
1
States / cities
Louisville, Kentucky
Conditions
Obstructive Sleep Apnea
Interventions
Respiratory muscle strength training, Sham respiratory muscle strength training
Device
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 80 Years
Enrollment
47 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Gainesville, Florida
Conditions
Heavy Drinking
Interventions
Active RAVANS, Brief Mindfulness-Based Intervention
Device · Behavioral
Lead sponsor
Cambridge Health Alliance
Other
Eligibility
21 Years to 29 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Malden, Massachusetts
Conditions
Diabetes Mellitus Type 2
Interventions
Inspiratory Muscle Strength Training (IMST), Sham Training
Device
Lead sponsor
Seattle Children's Hospital
Other
Eligibility
14 Years to 40 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
2
States / cities
Seattle, Washington
Conditions
Postoperative Respiratory Complication
Interventions
Inspiratory muscle training
Other
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Hershey, Pennsylvania
Conditions
Parkinson's Disease
Interventions
Respiratory muscle strength training
Behavioral
Lead sponsor
University of Florida
Other
Eligibility
45 Years to 80 Years
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2009
U.S. locations
1
States / cities
Gainesville, Florida
Conditions
Heart Failure, Systolic
Interventions
Yoga training
Behavioral
Lead sponsor
University of Cincinnati
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
1
States / cities
Cincinnati, Ohio
Completed Not applicable Interventional Accepts healthy volunteers

Covid-19 Virtual Recovery Study

NCT04950725
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
Completed Not applicable Interventional Results available

Virtual Reality Therapy for Chronic Low Back Pain

NCT04409353
Conditions
Chronic Low Back Pain
Interventions
Distraction-Based VR, Sham VR, Skills-Based VR, Activity Tracker
Device
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
13 Years and older
Enrollment
413 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
Los Angeles, California
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Inspiratory Muscle Strength Training in Adults With Obesity

NCT05459636
Conditions
Obesity
Interventions
High-resistance inspiratory muscle strength training, Very-low-resistance inspiratory muscle strength training
Device
Lead sponsor
Florida State University
Other
Eligibility
18 Years to 45 Years
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Tallahassee, Florida