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ClinicalTrials.gov public records Last synced Sep 8, 2026, 6:27 PM EDT

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Showing 1–19 of 19 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Sham Inspiratory Threshold Device Clear all
Recruiting Not applicable Interventional

A Study Investigating the Impact of IMT With CR On Exercise Responses In HF

NCT07086131
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Aug 6, 2026 · Synced Sep 8, 2026, 6:27 PM EDT
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 8, 2026, 6:27 PM EDT
Completed Not applicable Interventional Results available

Hypoglossal Nerve Stimulation on Cardiovascular Outcomes

NCT03359096
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
Therapeutic HGNS, Subtherapeutic 'Sham' HGNS
Device
Lead sponsor
University of Pennsylvania
Other
Eligibility
22 Years and older
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 29, 2023 · Synced Sep 8, 2026, 6:27 PM EDT
Completed Not applicable Interventional

Inspiratory Muscle Training in Obese Breast Cancer Survivors

NCT05193149
View directory record Official record
Conditions
Cancer Survivors, Obesity, Breast Cancer
Interventions
Inspiratory muscle training, Exercise training
Behavioral
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
77 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 16, 2026 · Synced Sep 8, 2026, 6:27 PM EDT
Recruiting Not applicable Interventional

Effects of High-Resistance Inspiratory Muscle Strength Training on Cardiorenal and Vascular Function in Youth and Young Adults With Type 2 Diabetes

NCT06936670
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jun 12, 2025 · Synced Sep 8, 2026, 6:27 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Effects of Breathing Training and Nitrate on Exercise at Simulated Altitude

NCT07216755
View directory record Official record
Conditions
Healthy Adults, Mechanical Ventilation Dependence, Hypoxia, Exercise Training, Exercise Intolerance, Dietary Supplement, Nitrate Supplementation, Inspiratory Muscle Training
Interventions
Respiratory Muscle Training (RMT), Sham Respiratory Muscle Training, Dietary Supplement: Beetroot Juice Concentrate, placebo beverage
Device · Dietary Supplement
Lead sponsor
Embry-Riddle Aeronautical University
Other
Eligibility
18 Years to 40 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
1
States / cities
Daytona Beach, Florida
Source: ClinicalTrials.gov public record
Updated Oct 14, 2025 · Synced Sep 8, 2026, 6:27 PM EDT
Not listed Not applicable Interventional

Inspiratory Muscle Training in COPD

NCT03438019
View directory record Official record
Conditions
COPD
Interventions
PrO2, Threshold Inspiratory Muscle Trainer
Device
Lead sponsor
Miami VA Healthcare System
Federal
Eligibility
40 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Jul 19, 2018 · Synced Sep 8, 2026, 6:27 PM 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 8, 2026, 6:27 PM EDT
Active, not recruiting Not applicable Interventional

Breathing Device in Postural Orthostatic Tachycardia Syndrome (POTS)

NCT00962728
View directory record Official record
Conditions
Postural Tachycardia Syndrome, Postural Orthostatic Tachycardia Syndrome
Interventions
Inspiratory Threshold Device (Res-Q-Gard ITD), Sham Inspiratory Threshold Device
Device
Lead sponsor
Alfredo Gamboa
Other
Eligibility
18 Years to 80 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2026
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Dec 21, 2025 · Synced Sep 8, 2026, 6:27 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Respiratory Muscle Function in Heart Failure

NCT03924479
View directory record Official record
Conditions
Heart Failure, Diastolic
Interventions
PowerBreathe (Breathing muscle training)
Device
Lead sponsor
Mayo Clinic
Other
Eligibility
21 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2024
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 21, 2024 · Synced Sep 8, 2026, 6:27 PM EDT
Completed Not applicable Interventional

Airway Muscle Training for Obstructive Sleep Apnea

NCT02259660
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Apr 10, 2018 · Synced Sep 8, 2026, 6:27 PM EDT
Recruiting Not applicable Interventional

EMST in Patients Undergoing CRT for HNCA

NCT03916809
View directory record Official record
Conditions
Head and Neck Neoplasms, Deglutition Disorders
Interventions
EMST
Other
Lead sponsor
University of Wisconsin, Milwaukee
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2025
U.S. locations
2
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Dec 3, 2024 · Synced Sep 8, 2026, 6:27 PM EDT
Completed Phase 2 Interventional Results available

Efficacy Study of a Facemask Device to Treat Hypotension

NCT00256724
View directory record Official record
Conditions
Hypotension
Interventions
Impedance Threshold Device, sham ITD
Device
Lead sponsor
Advanced Circulatory Systems
Industry
Eligibility
18 Years to 85 Years
Enrollment
47 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 30, 2013 · Synced Sep 8, 2026, 6:27 PM EDT
Completed Early Phase 1 Interventional

Respiratory Strength Training in Persons With Amyotrophic Lateral Sclerosis (ALS)

NCT02710110
View directory record Official record
Conditions
Amyotrophic Lateral Sclerosis
Interventions
PowerLung trainer, Micro Mouth Pressure Meter, Pulmonary Function Testing, Videofluoroscopic swallowing study, Swallowing Quality of Life Questionnaire, Iowa Oral Pressure Instrument, Capsaicin
Device · Procedure · Other + 1 more
Lead sponsor
University of Florida
Other
Eligibility
21 Years to 85 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jan 26, 2020 · Synced Sep 8, 2026, 6:27 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Intermittent Hypoxia and Inspiratory Threshold Loading to Enhance Inspiratory Muscle Function

NCT03029559
View directory record Official record
Conditions
Intermittent Hypoxia
Interventions
Intermittent Hypoxia, Inspiratory Threshold Loading, Sham Intermittent Hypoxia
Other
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 40 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jun 19, 2019 · Synced Sep 8, 2026, 6:27 PM EDT
Completed Not applicable Interventional Results available

High-intensity Inspiratory Muscle Training as a Pre-cardiac Rehabilitation in Heart Disease

NCT06127147
View directory record Official record
Conditions
Coronary Artery Bypass Graft, CABG
Interventions
IMT, Sham-IMT
Device
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
2
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jan 20, 2026 · Synced Sep 8, 2026, 6:27 PM EDT
Withdrawn Not applicable Interventional

Breathing Device for Orthostatic Hypotension (OH)

NCT00962884
View directory record Official record
Conditions
Orthostatic Hypotension
Interventions
Inspiratory Threshold Device (Res-Q-Gard ITD), Sham Inspiratory Threshold Device
Device
Lead sponsor
Alfredo Gamboa
Other
Eligibility
18 Years to 80 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2022
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Nov 21, 2021 · Synced Sep 8, 2026, 6:27 PM EDT
Recruiting Phase 1Phase 2 Interventional

Intermittent Hypoxia-initiated Plasticity in Humans: A Multi-pronged Therapeutic Approach to Treat Sleep Apnea and Overlapping Co-morbidities

NCT05558501
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
Mild Intermittent Hypoxia, Sham MIH
Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
30 Years to 60 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Dec 3, 2025 · Synced Sep 8, 2026, 6:27 PM EDT
Completed Phase 4 Interventional Results available

Maintain Respiratory Muscle Function and Reduce Pneumonia Risk in Cancer Patients

NCT03469271
View directory record Official record
Conditions
Cancer
Interventions
1,25 (OH)2 D3, Inspiratory isometric resistance training, Oral Placebo, Sham Inspiratory Isometric Resistance Training, Threshold Inspiratory Muscle Trainer (IMT)
Drug · Other · Device
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 25, 2023 · Synced Sep 8, 2026, 6:27 PM EDT