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Showing 1–24 of 273 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Respiratory Muscle Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Inspiratory Muscle Training Using the O2 Trainer

NCT07005622
View directory record Official record
Conditions
Inspiratory Muscle Training, Blood Pressure
Interventions
O2 Trainer, Deep breathing
Other
Lead sponsor
Sam Houston State University
Other
Eligibility
18 Years to 65 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Conroe, Texas
Source: ClinicalTrials.gov public record
Updated Jun 4, 2025 · Synced Jul 25, 2026, 1:16 AM EDT
Completed Not applicable Interventional

Evaluation of Muscle Activation Efficiency in Challenging Subjects

NCT01811446
View directory record Official record
Conditions
Obesity, COPD
Interventions
Muscle Activation with Niveus and Intelect Devices
Device
Lead sponsor
Niveus Medical, Inc.
Industry
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2013
U.S. locations
1
States / cities
Mountain View, California
Source: ClinicalTrials.gov public record
Updated Jan 30, 2014 · Synced Jul 25, 2026, 1:16 AM EDT
Completed No phase listed Observational

Sensory Function in Idiopathic Voice Disorders

NCT00001922
View directory record Official record
Conditions
Phonation Disorder, Spastic Dysphonia, Voice Disorder
Interventions
Not listed
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
20 Years to 80 Years
Enrollment
370 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 1998
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Jul 25, 2026, 1:16 AM EDT
Recruiting Phase 1 Interventional

A Study of Therapeutic Drug Monitoring-Based Atezolizumab Dosing

NCT06066138
View directory record Official record
Conditions
Locally Advanced Alveolar Soft Part Sarcoma, Metastatic Alveolar Soft Part Sarcoma, Locally Advanced Non Small Cell Lung Cancer, Metastatic Non Small Cell Lung Cancer, Locally Advanced Small Cell Lung Cancer, Metastatic Small Cell Lung Cancer, Locally Advanced Hepatocellular Carcinoma, Metastatic Hepatocellular Carcinoma, Locally Advanced Melanoma, Metastatic Melanoma
Interventions
Atezolizumab
Drug
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years to 120 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 23, 2026 · Synced Jul 25, 2026, 1:16 AM EDT
Recruiting Not applicable Interventional

Spasticity in SCI Following Acute Intermittent Hypoxia

NCT07583498
View directory record Official record
Conditions
Spinal Cord Injuries (SCI)
Interventions
Acute Intermittent Hypoxia (AIH)
Device
Lead sponsor
Zev Rymer
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 12, 2026 · Synced Jul 25, 2026, 1:16 AM EDT
Recruiting Not applicable Interventional

Implementation of a Sarcopenia Clinic to Diagnose and Treat Skeletal Muscle Loss Due to COPD

NCT07059637
View directory record Official record
Conditions
COPD, Emphysema, Sarcopenia
Interventions
Multidisciplinary clinic evaluation, COPD standard of care
Other
Lead sponsor
The Cleveland Clinic
Other
Eligibility
40 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 29, 2025 · Synced Jul 25, 2026, 1:16 AM EDT
Completed Not applicable Interventional Results available

A Randomized, Controlled Trial of Inspiratory Muscle Training (IMT)in the ICU and CCU

NCT02003053
View directory record Official record
Conditions
Critically Ill, Respiratory Failure
Interventions
Inspiratory Muscle Trainer
Device
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years to 90 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 6, 2018 · Synced Jul 25, 2026, 1:16 AM EDT
Recruiting No phase listed Observational

Study of the Disease Process of Lymphangioleiomyomatosis

NCT00001465
View directory record Official record
Conditions
Lung Disease, Pneumothorax, Tuberous Sclerosis, Lymphangioleiomyomatosis
Interventions
Toshibia Aquilion One CT
Device
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
16 Years to 100 Years
Enrollment
2,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 1995
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 23, 2026 · Synced Jul 25, 2026, 1:16 AM EDT
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

BreatheWell: Train Your Breathing, Relax Your Body, Open Your Mind

NCT06920407
View directory record Official record
Conditions
Healthy
Interventions
Breathing training device (Inspiratory Muscle Training), Oura Ring
Device
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated May 12, 2026 · Synced Jul 25, 2026, 1:16 AM EDT
Completed Phase 3 Interventional Results available

Phase III Study of the Effect of GTx-024 on Muscle Wasting in Patients With Non-Small Cell Lung Cancer (NSCLC)

NCT01355484
View directory record Official record
Conditions
Muscle Wasting, Non Small Cell Lung Cancer
Interventions
GTx-024, placebo
Drug
Lead sponsor
GTx
Industry
Eligibility
30 Years and older
Enrollment
321 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
27
States / cities
Birmingham, Alabama • Long Beach, California • Aventura, Florida + 24 more
Source: ClinicalTrials.gov public record
Updated Mar 2, 2016 · Synced Jul 25, 2026, 1:16 AM EDT
Active, not recruiting Not applicable Interventional

Breathing Training for Improving Cardiovascular Health in Older Adults With Sleep Apnea

NCT04932447
View directory record Official record
Conditions
Obstructive Sleep Apnea, Hypertension
Interventions
Inspiratory Muscle Strength Training
Behavioral
Lead sponsor
University of Arizona
Other
Eligibility
50 Years and older
Enrollment
122 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Oct 7, 2025 · Synced Jul 25, 2026, 1:16 AM EDT
Active, not recruiting Phase 2 Interventional Results available

Ivosidenib in Treating Patients With Advanced Solid Tumors, Lymphoma, or Histiocytic Disorders With IDH1 Mutations (A Pediatric MATCH Treatment Trial)

NCT04195555
View directory record Official record
Conditions
Recurrent Ependymoma, Recurrent Ewing Sarcoma, Recurrent Hepatoblastoma, Recurrent Langerhans Cell Histiocytosis, Recurrent Malignant Germ Cell Tumor, Recurrent Malignant Glioma, Recurrent Malignant Solid Neoplasm, Recurrent Medulloblastoma, Recurrent Neuroblastoma, Recurrent Non-Hodgkin Lymphoma, Recurrent Osteosarcoma, Recurrent Peripheral Primitive Neuroectodermal Tumor, Recurrent Rhabdoid Tumor, Recurrent Rhabdomyosarcoma, Recurrent Soft Tissue Sarcoma, Recurrent WHO Grade 2 Glioma, Refractory Ependymoma, Refractory Ewing Sarcoma, Refractory Hepatoblastoma, Refractory Langerhans Cell Histiocytosis, Refractory Malignant Germ Cell Tumor, Refractory Malignant Glioma, Refractory Malignant Solid Neoplasm, Refractory Medulloblastoma, Refractory Neuroblastoma, Refractory Non-Hodgkin Lymphoma, Refractory Osteosarcoma, Refractory Peripheral Primitive Neuroectodermal Tumor, Refractory Rhabdoid Tumor, Refractory Rhabdomyosarcoma, Refractory Soft Tissue Sarcoma, Refractory WHO Grade 2 Glioma, Wilms Tumor
Interventions
Ivosidenib
Drug
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
12 Months to 21 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
171
States / cities
Birmingham, Alabama • Anchorage, Alaska • Mesa, Arizona + 129 more
Source: ClinicalTrials.gov public record
Updated Jun 30, 2026 · Synced Jul 25, 2026, 1:16 AM EDT
Completed Not applicable Interventional

Low Back Pain and Breathing Pattern Dysfunction

NCT02429752
View directory record Official record
Conditions
Low Back Pain
Interventions
Inspiratory muscle training
Other
Lead sponsor
University of Miami
Other
Eligibility
18 Years to 65 Years
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Aug 31, 2016 · Synced Jul 25, 2026, 1:16 AM EDT
Completed Phase 2 Interventional Results available

Study of GTx-024 on Muscle Wasting (Cachexia) Cancer.

NCT00467844
View directory record Official record
Conditions
Cachexia
Interventions
GTx-024, Placebo
Drug
Lead sponsor
GTx
Industry
Eligibility
Not listed
Enrollment
159 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
50
States / cities
Anchorage, Alaska • Fayetteville, Arkansas • Corona, California + 41 more
Source: ClinicalTrials.gov public record
Updated Jul 10, 2014 · Synced Jul 25, 2026, 1:16 AM EDT
Active, not recruiting Phase 2 Interventional

Sirolimus in Combination With Metronomic Chemotherapy in Children With Recurrent and/or Refractory Solid and CNS Tumors

NCT02574728
View directory record Official record
Conditions
Cancer
Interventions
Sirolimus, Celecoxib, Etoposide, Cyclophosphamide
Drug
Lead sponsor
Emory University
Other
Eligibility
12 Months to 30 Years
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2026
U.S. locations
6
States / cities
Phoenix, Arizona • Wilmington, Delaware • Atlanta, Georgia + 2 more
Source: ClinicalTrials.gov public record
Updated Mar 1, 2026 · Synced Jul 25, 2026, 1:16 AM EDT
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 Jul 25, 2026, 1:16 AM 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 Jul 25, 2026, 1:16 AM EDT
Active, not recruiting Phase 2 Interventional Results available

Selpercatinib for the Treatment of Advanced Solid Tumors, Lymphomas, or Histiocytic Disorders With Activating RET Gene Alterations, a Pediatric MATCH Treatment Trial

NCT04320888
View directory record Official record
Conditions
Hematopoietic and Lymphatic System Neoplasm, Recurrent Ependymoma, Recurrent Ewing Sarcoma, Recurrent Hepatoblastoma, Recurrent Histiocytic and Dendritic Cell Neoplasm, Recurrent Langerhans Cell Histiocytosis, Recurrent Lymphoma, Recurrent Malignant Germ Cell Tumor, Recurrent Malignant Glioma, Recurrent Malignant Solid Neoplasm, Recurrent Medulloblastoma, Recurrent Neuroblastoma, Recurrent Non-Hodgkin Lymphoma, Recurrent Osteosarcoma, Recurrent Peripheral Primitive Neuroectodermal Tumor, Recurrent Rhabdoid Tumor, Recurrent Rhabdomyosarcoma, Recurrent Soft Tissue Sarcoma, Recurrent WHO Grade 2 Glioma, Refractory Ependymoma, Refractory Ewing Sarcoma, Refractory Hepatoblastoma, Refractory Histiocytic and Dendritic Cell Neoplasm, Refractory Langerhans Cell Histiocytosis, Refractory Lymphoma, Refractory Malignant Germ Cell Tumor, Refractory Malignant Glioma, Refractory Malignant Solid Neoplasm, Refractory Medulloblastoma, Refractory Neuroblastoma, Refractory Non-Hodgkin Lymphoma, Refractory Osteosarcoma, Refractory Peripheral Primitive Neuroectodermal Tumor, Refractory Rhabdoid Tumor, Refractory Rhabdomyosarcoma, Refractory Soft Tissue Sarcoma, Refractory WHO Grade 2 Glioma, Wilms Tumor
Interventions
Computed Tomography, Magnetic Resonance Imaging, Positron Emission Tomography, Radionuclide Imaging, Selpercatinib, X-Ray Imaging
Procedure · Drug
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
12 Months to 21 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
172
States / cities
Birmingham, Alabama • Anchorage, Alaska • Mesa, Arizona + 129 more
Source: ClinicalTrials.gov public record
Updated Jun 16, 2026 · Synced Jul 25, 2026, 1:16 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Genetics of Pediatric-Onset Motor Neuron and Neuromuscular Diseases

NCT02532244
View directory record Official record
Conditions
Spinal Muscular Atrophy, Charcot-Marie-Tooth Disease, Muscular Dystrophy, Spinal Muscular Atrophy With Respiratory Distress 1, Amyotrophic Lateral Sclerosis, Motor Neuron Disease, Neuromuscular Disease, Peroneal Muscular Atrophy
Interventions
sample collection
Other
Lead sponsor
Nemours Children's Clinic
Other
Eligibility
1 Month and older
Enrollment
230 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2024
U.S. locations
3
States / cities
Wilmington, Delaware • Jacksonville, Florida • Orlando, Florida
Source: ClinicalTrials.gov public record
Updated Dec 18, 2024 · Synced Jul 25, 2026, 1:16 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Effect of Desipramine on Genioglossus Muscle Activity in Healthy Adults Study A

NCT02428478
View directory record Official record
Conditions
Sleep Apnea, Obstructive
Interventions
Desipramine, Placebo
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 60 Years
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 29, 2017 · Synced Jul 25, 2026, 1:16 AM EDT
Completed Not applicable Interventional

Does Residual Muscular Weakness Lead to an Increase in Respiratory Complications in Bariatric Patients?

NCT02037516
View directory record Official record
Conditions
Respiratory Complication, Morbid Obesity
Interventions
Accelomyography, Neostigmine, Qualitative Monitor
Device · Drug
Lead sponsor
Coastal Anesthesiology Consultants
Other
Eligibility
Not listed
Enrollment
330 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Saint Augustine, Florida
Source: ClinicalTrials.gov public record
Updated Feb 4, 2016 · Synced Jul 25, 2026, 1:16 AM EDT
Active, not recruiting Phase 2 Interventional

Ensartinib in Treating Patients With Relapsed or Refractory Advanced Solid Tumors, Non-Hodgkin Lymphoma, or Histiocytic Disorders With ALK or ROS1 Genomic Alterations (A Pediatric MATCH Treatment Trial)

NCT03213652
View directory record Official record
Conditions
Advanced Malignant Solid Neoplasm, Malignant Solid Neoplasm, Recurrent Ependymoma, Recurrent Ewing Sarcoma/Peripheral Primitive Neuroectodermal Tumor, Recurrent Hepatoblastoma, Recurrent Langerhans Cell Histiocytosis, Recurrent Malignant Germ Cell Tumor, Recurrent Malignant Glioma, Recurrent Malignant Solid Neoplasm, Recurrent Medulloblastoma, Recurrent Neuroblastoma, Recurrent Non-Hodgkin Lymphoma, Recurrent Osteosarcoma, Recurrent Primary Central Nervous System Neoplasm, Recurrent Rhabdoid Tumor, Recurrent Rhabdomyosarcoma, Recurrent Soft Tissue Sarcoma, Refractory Ependymoma, Refractory Ewing Sarcoma/Peripheral Primitive Neuroectodermal Tumor, Refractory Hepatoblastoma, Refractory Langerhans Cell Histiocytosis, Refractory Malignant Germ Cell Tumor, Refractory Malignant Glioma, Refractory Malignant Solid Neoplasm, Refractory Medulloblastoma, Refractory Neuroblastoma, Refractory Non-Hodgkin Lymphoma, Refractory Osteosarcoma, Refractory Primary Central Nervous System Neoplasm, Refractory Rhabdoid Tumor, Refractory Rhabdomyosarcoma, Refractory Soft Tissue Sarcoma, Wilms Tumor
Interventions
Biospecimen Collection, Bone Marrow Aspiration and Biopsy, Bone Scan, Computed Tomography, Ensartinib, Laboratory Biomarker Analysis, Magnetic Resonance Imaging, Pharmacological Study, Positron Emission Tomography, Radionuclide Imaging, X-Ray Imaging
Procedure · Drug · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
12 Months to 21 Years
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2026
U.S. locations
122
States / cities
Birmingham, Alabama • Anchorage, Alaska • Mesa, Arizona + 95 more
Source: ClinicalTrials.gov public record
Updated Jul 9, 2026 · Synced Jul 25, 2026, 1:16 AM EDT
Completed Phase 2 Interventional

Efficacy of Osteopathic Manipulation in Chronic Obstructive Pulmonary Disease

NCT00034112
View directory record Official record
Conditions
Emphysema
Interventions
osteopathic manipulative treatment
Procedure
Lead sponsor
National Center for Complementary and Integrative Health (NCCIH)
NIH
Eligibility
Not listed
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2002
U.S. locations
1
States / cities
Kirksville, Missouri
Source: ClinicalTrials.gov public record
Updated Aug 17, 2006 · Synced Jul 25, 2026, 1:16 AM EDT
Completed Not applicable Interventional Results available

Sub-study to Spinal Cord Stimulation to Restore Cough

NCT00995215
View directory record Official record
Conditions
Spinal Cord Injuries, Spinal Cord Diseases, Paralysis, Central Nervous System Diseases, Cough
Interventions
Spinal Cord Stimulation, Expiratory Muscle Stimulator
Procedure · Device
Lead sponsor
MetroHealth Medical Center
Other
Eligibility
18 Years to 70 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2017
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 13, 2020 · Synced Jul 25, 2026, 1:16 AM EDT