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ClinicalTrials.gov public records Last synced Oct 28, 2026, 1:20 PM EDT

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Showing 121–144 of 175 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Exercise Capacity Clear all
Completed No phase listed Observational

Activity and Participation in Ambulatory Cerebral Palsy

NCT01217242
View directory record Official record
Conditions
Cerebral Palsy
Interventions
Not listed
Lead sponsor
Seattle Children's Hospital
Other
Eligibility
2 Years to 9 Years
Enrollment
128 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jan 5, 2012 · Synced Oct 28, 2026, 1:20 PM EDT
Active, not recruiting Phase 4 Interventional

Efficacy Of Sodium Glucose Transporter Inhibitor (SGLT2I) In Adult Patients With Congenital Heart Disease

NCT06260059
View directory record Official record
Conditions
Adult Congenital Heart Disease, Heart Failure
Interventions
Empagliflozin 10 MG, Placebo
Drug
Lead sponsor
Anita Saraf
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
3
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 17, 2026 · Synced Oct 28, 2026, 1:20 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of a N95 Respirator vs Cloth Mask on Exercise Capacity During Treadmill Exercise.

NCT04415879
View directory record Official record
Conditions
COVID-19
Interventions
N-95 Respirator, Cloth Face Mask
Other
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 11, 2025 · Synced Oct 28, 2026, 1:20 PM EDT
Completed No phase listed Observational

Cardiometabolic Profiles of Boys With Klinefelter Syndrome

NCT02723305
View directory record Official record
Conditions
Klinefelter Syndrome, 47,XXY, Sex Chromosome Aneuploidy, XXY Syndrome
Interventions
No intervention
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
12 Years to 17 Years · Male only
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Mar 8, 2022 · Synced Oct 28, 2026, 1:20 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Impact of Dietary Phosphate Excess on Exercise Capacity and Visceral Adiposity

NCT05147909
View directory record Official record
Conditions
Physical Inactivity, Phosphate Overload, Visceral Obesity
Interventions
Sodium Phosphate, Sodium Chloride
Dietary Supplement
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 80 Years
Enrollment
124 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2028
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Feb 17, 2026 · Synced Oct 28, 2026, 1:20 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

The Effects of Almond Consumption on Functional Performance and Activity in Overweight Active Older Adults

NCT04778371
View directory record Official record
Conditions
Overweight
Interventions
Almonds, Placebo
Other
Lead sponsor
Florida State University
Other
Eligibility
50 Years to 59 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
1
States / cities
Tallahassee, Florida
Source: ClinicalTrials.gov public record
Updated Jun 8, 2026 · Synced Oct 28, 2026, 1:20 PM EDT
Completed No phase listed Observational

Mechanisms and Treatment of Exercise Intolerance and Persistent Fatigue in Spinal Muscular Atrophy

NCT05518773
View directory record Official record
Conditions
Spinal Muscular Atrophy
Interventions
Observational
Other
Lead sponsor
Columbia University
Other
Eligibility
8 Years to 55 Years
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 3, 2025 · Synced Oct 28, 2026, 1:20 PM EDT
Completed Phase 3 Interventional Results available

DETERMINE-reduced - Dapagliflozin Effect on Exercise Capacity Using a 6-minute Walk Test in Patients With Heart Failure With Reduced Ejection Fraction

NCT03877237
View directory record Official record
Conditions
Heart Failure With Reduced Ejection Fraction (HFrEF)
Interventions
Dapagliflozin, Placebo
Drug · Other
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 150 Years
Enrollment
313 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
23
States / cities
Alexander City, Alabama • Fairhope, Alabama • Fort Payne, Alabama + 19 more
Source: ClinicalTrials.gov public record
Updated May 5, 2021 · Synced Oct 28, 2026, 1:20 PM EDT
Completed Phase 4 Interventional

Impact of Empagliflozin on Functional Capacity in Heart Failure with Preserved Ejection Fraction

NCT05139472
View directory record Official record
Conditions
Heart Failure with Preserved Ejection Fraction, Heart Failure, Diastolic, Diabetes Mellitus
Interventions
Empagliflozin 10 MG
Drug
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
50 Years to 85 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
2
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Sep 19, 2024 · Synced Oct 28, 2026, 1:20 PM EDT
Not listed No phase listed Observational

Exercise Capacity Before and After AF Ablation in Patients With HFpEF

NCT05376748
View directory record Official record
Conditions
Heart Failure With Preserved Ejection Fraction, Atrial Fibrillation
Interventions
Not listed
Lead sponsor
University of Vermont
Other
Eligibility
18 Years to 110 Years
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Jun 22, 2023 · Synced Oct 28, 2026, 1:20 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Impact of Vitamin C on Endothelial Function and Exercise Capacity in Fontan-Palliated Patients

NCT00974025
View directory record Official record
Conditions
Fontan Procedure, Hypoplastic Left Heart Syndrome, Tricuspid Atresia
Interventions
Vitamin C, Placebo
Dietary Supplement
Lead sponsor
University of Michigan
Other
Eligibility
8 Years to 25 Years
Enrollment
53 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jun 1, 2017 · Synced Oct 28, 2026, 1:20 PM EDT
Active, not recruiting Not applicable Interventional

Home-Based Cardiac Rehabilitation for Patients With Heart Failure

NCT06479876
View directory record Official record
Conditions
Heart Failure With Preserved Ejection Fraction, Heart Failure With Reduced Ejection Fraction, Cardiovascular Diseases
Interventions
HBCR
Other
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 2, 2026 · Synced Oct 28, 2026, 1:20 PM EDT
Recruiting Phase 2 Interventional

Spironolactone for Pulmonary Arterial Hypertension

NCT01712620
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Spironolactone, Placebo
Drug
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
18 Years to 100 Years
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2031
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 16, 2026 · Synced Oct 28, 2026, 1:20 PM EDT
Completed Not applicable Interventional Results available

MRI in Detecting Heart Damage in Patients With Cancer Receiving Chemotherapy With Exercise Capacity Addendum

NCT01719562
View directory record Official record
Conditions
Cardiac Toxicity, Malignant Neoplasm, Breast Cancer
Interventions
Magnetic resonance imaging, Physical Activity, Healthy Living, Cardiopulmonary Exercise Testing (CPET), Questionnaire Administration
Procedure · Other · Device
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years to 85 Years
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2022
U.S. locations
2
States / cities
Winston-Salem, North Carolina • Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated May 19, 2023 · Synced Oct 28, 2026, 1:20 PM EDT
Completed Not applicable Interventional

Physical Therapists - Recommending EnhanceFitness to Expand Reach

NCT03139461
View directory record Official record
Conditions
Physical Activity, Aging
Interventions
PT-REFER Capacity-building Toolkit
Other
Lead sponsor
University of Washington
Other
Eligibility
Not listed
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Feb 28, 2020 · Synced Oct 28, 2026, 1:20 PM EDT
Completed Phase 3 Interventional Results available

To Evaluate the Effect of Inhaled Medication Together With Exercise and Activity Training on Exercise Capacity and Daily Activities in Patients With Chronic Lung Disease With Obstruction of Airways

NCT02085161
View directory record Official record
Conditions
Pulmonary Disease, Chronic Obstructive
Interventions
placebo to tiotropium + olodaterol, tiotropium +olodaterol, tiotropium
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
40 Years to 75 Years
Enrollment
304 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
3
States / cities
San Diego, California • Torrance, California • Hartford, Connecticut
Source: ClinicalTrials.gov public record
Updated Jan 6, 2017 · Synced Oct 28, 2026, 1:20 PM EDT
Terminated Phase 4 Interventional

Effects of IV Iron Replacement on Exercise Capacity in Individuals With Heart Failure

NCT05816265
View directory record Official record
Conditions
Heart Failure, Iron-deficiency
Interventions
IV Iron Infusion Group
Drug
Lead sponsor
Radha Gopalan
Other
Eligibility
18 Years to 90 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Jul 29, 2026 · Synced Oct 28, 2026, 1:20 PM EDT
Completed No phase listed Observational

Sleep Apnea in Heart Failure With Preserved Ejection Fraction

NCT05008432
View directory record Official record
Conditions
Heart Failure, Obstructive Sleep Apnea
Interventions
Home sleep apnea testing
Diagnostic Test
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 99 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 28, 2024 · Synced Oct 28, 2026, 1:20 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Longitudinal Assessment of Exercise Capacity and Vascular Function in Patients With CF

NCT03338595
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Not listed
Lead sponsor
Augusta University
Other
Eligibility
7 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2020
U.S. locations
1
States / cities
Augusta, Georgia
Source: ClinicalTrials.gov public record
Updated Jan 19, 2021 · Synced Oct 28, 2026, 1:20 PM EDT
Completed Phase 2 Interventional

Sildenafil to Increase Exercise Capacity in Individuals With Idiopathic Pulmonary Fibrosis and Pulmonary Hypertension

NCT00352482
View directory record Official record
Conditions
Pulmonary Fibrosis, Hypertension, Pulmonary
Interventions
Sildenafil (50 mg)
Drug
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
19 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2007
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jul 29, 2016 · Synced Oct 28, 2026, 1:20 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Blood Flow and Vascular Function in Cystic Fibrosis

NCT02057458
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Sildenafil (Acute-1 hour), Sildenafil (Subchronic-4 weeks), Placebo
Drug
Lead sponsor
Augusta University
Other
Eligibility
18 Years and older
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2018
U.S. locations
1
States / cities
Augusta, Georgia
Source: ClinicalTrials.gov public record
Updated Apr 24, 2020 · Synced Oct 28, 2026, 1:20 PM EDT
Completed Phase 2 Interventional Results available

A Study of the Effect of IW-1973 on the Exercise Capacity of Patients With Heart Failure With Preserved Ejection Fraction (HFpEF)

NCT03254485
View directory record Official record
Conditions
Heart Failure With Preserved Ejection Fraction
Interventions
IW-1973, Placebo Oral Tablet
Drug
Lead sponsor
Akebia Therapeutics
Industry
Eligibility
45 Years and older
Enrollment
196 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
57
States / cities
Phoenix, Arizona • Scottsdale, Arizona • Tucson, Arizona + 45 more
Source: ClinicalTrials.gov public record
Updated Sep 15, 2022 · Synced Oct 28, 2026, 1:20 PM EDT
Not listed Phase 1 Interventional

Atrial Fibrillation: Chronic Beta-blocker Use Versus As-needed Rate Control Guided by Implantable Cardiac Monitor

NCT05745337
View directory record Official record
Conditions
Atrial Fibrillation, Diastolic Dysfunction, HFpEF - Heart Failure With Preserved Ejection Fraction
Interventions
As needed pharmacological rate control with beta-blocker (metoprolol tartrate, metoprolol succinate) or calcium channel blocker (diltiazem, verapamil)
Drug
Lead sponsor
University of Vermont
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Mar 3, 2023 · Synced Oct 28, 2026, 1:20 PM EDT
Terminated Phase 3 Interventional Results available

Clinical Study to Assess the Long-term Safety, Tolerability, and Efficacy of Macitentan in Subjects With Eisenmenger Syndrome

NCT01739400
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Macitentan 10 mg tablet, once daily.
Drug
Lead sponsor
Actelion
Industry
Eligibility
12 Years and older
Enrollment
217 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
5
States / cities
Atlanta, Georgia • St Louis, Missouri • Las Vegas, Nevada + 2 more
Source: ClinicalTrials.gov public record
Updated Apr 16, 2019 · Synced Oct 28, 2026, 1:20 PM EDT