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ClinicalTrials.gov public records Last synced Oct 25, 2026, 4:45 PM EDT

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Showing 1–24 of 175 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Exercise Capacity Clear all
Completed Not applicable Interventional

The Effect of Dietary Nitrates on Physical Performance and Vascular Function in Chronic Kidney Disease

NCT04103736
View directory record Official record
Conditions
Kidney Disease, Chronic, Endothelial Dysfunction
Interventions
Beet It Sport Shot, Nitrate-depleted placebo
Dietary Supplement
Lead sponsor
University of Delaware
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Newark, Delaware
Source: ClinicalTrials.gov public record
Updated Sep 25, 2019 · Synced Oct 25, 2026, 4:45 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 25, 2026, 4:45 PM EDT
Active, not recruiting Not applicable Interventional

Sickle Cell Children's Exercise Study (SuCCESs)

NCT06074198
View directory record Official record
Conditions
Sickle Cell Disease
Interventions
SuCCESs
Behavioral
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
6 Years to 17 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
2
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 21, 2026 · Synced Oct 25, 2026, 4:45 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Evaluation of the Effects of a Novel Dietary Microalgae Based Ingredient on Muscle Recovery and Endurance Capacity

NCT05760742
View directory record Official record
Conditions
Healthy
Interventions
MicAlgae, Placebo
Dietary Supplement
Lead sponsor
Microphyt
Industry
Eligibility
18 Years to 35 Years · Male only
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Orlando, Florida
Source: ClinicalTrials.gov public record
Updated Sep 22, 2023 · Synced Oct 25, 2026, 4:45 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Nicotinamide Mononucleotide Supplementation for Exercise Tolerance Improvement in Healthy Older Adults

NCT07144527
View directory record Official record
Conditions
Aging, Frailty, Exercise Tolerance, Healthy Male and Female Subjects
Interventions
NMN and TMG (Euexia), Nicotinamide Mononucleotide (NMN), Placebo
Dietary Supplement
Lead sponsor
Scott Silveira
Other
Eligibility
60 Years to 80 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Beverly Hills, California
Source: ClinicalTrials.gov public record
Updated Oct 7, 2026 · Synced Oct 25, 2026, 4:45 PM EDT
Terminated Phase 3 Interventional Results available

Study of Ralinepag on Exercise Capacity by Cardiopulmonary Exercise Testing (CPET) in WHO Group 1 PH Subjects

NCT04084678
View directory record Official record
Conditions
Pulmonary Hypertension, Pulmonary Arterial Hypertension
Interventions
Ralinepag, Placebo
Drug
Lead sponsor
United Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
5
States / cities
Tucson, Arizona • Aurora, Colorado • Denver, Colorado + 2 more
Source: ClinicalTrials.gov public record
Updated Jul 6, 2026 · Synced Oct 25, 2026, 4:45 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Longitudinal Changes in Exercise Capacity in Children and Young Adults With Sickle Cell Anemia

NCT01558076
View directory record Official record
Conditions
Sickle Cell Anemia
Interventions
Not listed
Lead sponsor
Ann & Robert H Lurie Children's Hospital of Chicago
Other
Eligibility
8 Years to 21 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2017
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Dec 18, 2024 · Synced Oct 25, 2026, 4:45 PM EDT
Completed No phase listed Observational

The Relationship Between Having a Positive Mindset and Exercise Capacity in Patients With Congenital Heart Disease

NCT03912025
View directory record Official record
Conditions
Congenital Heart Disease
Interventions
Relationship between positive mindset and exercise capacity
Other
Lead sponsor
Boston Children's Hospital
Other
Eligibility
8 Years to 17 Years
Enrollment
90 participants
Timeline
2020 – 2021
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 4, 2021 · Synced Oct 25, 2026, 4:45 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Dual-Task Exercise for Mild Traumatic Brain Injury (mTBI)

NCT06037603
View directory record Official record
Conditions
TBI (Traumatic Brain Injury), Brain Concussion, Clinical Trial, Rehabilitation, Cognition, Psychosocial Functioning, Walking, Vision, Ocular, Mobile Application, Saliva, microRNA, Exercise
Interventions
Brain & Walk Exercise Every Day (BraW-Day)
Behavioral
Lead sponsor
University of Nevada, Las Vegas
Other
Eligibility
18 Years to 40 Years
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated Jun 5, 2025 · Synced Oct 25, 2026, 4:45 PM EDT
Completed Phase 2 Interventional Results available

Anemia in Heart Failure With a Preserved Ejection Fraction (HFPEF)

NCT00286182
View directory record Official record
Conditions
Anemia
Interventions
Erythropoietin alpha, Placebo
Drug
Lead sponsor
Mathew S. Maurer
Other
Eligibility
55 Years and older
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2012
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 10, 2017 · Synced Oct 25, 2026, 4:45 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Pharmacokinetic/Pharmacodynamic Study of Udenafil in Adolescents

NCT02201342
View directory record Official record
Conditions
Single Ventricle Heart Disease After Fontan Surgery
Interventions
Udenafil
Drug
Lead sponsor
Mezzion Pharma Co. Ltd
Industry
Eligibility
14 Years to 18 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
5
States / cities
Indianapolis, Indiana • Ann Arbor, Michigan • Cincinnati, Ohio + 2 more
Source: ClinicalTrials.gov public record
Updated May 6, 2025 · Synced Oct 25, 2026, 4:45 PM EDT
Completed Phase 4 Interventional

Exercise Effect on Aerobic Capacity and QOL in Heart Failure

NCT00013221
View directory record Official record
Conditions
Heart Failure, Congestive
Interventions
Exercise
Behavioral
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years and older
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 2000
U.S. locations
1
States / cities
Hines, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 7, 2015 · Synced Oct 25, 2026, 4:45 PM EDT
Completed Phase 2 Interventional Results available

Nitrites, Exercise, and Peripheral Arterial Disease

NCT01684930
View directory record Official record
Conditions
Peripheral Arterial Disease
Interventions
Beetroot Juice (Beet-It Stamina Shot) & Supervised Exercise Training, Placebo Comparator Beverage (Beet-It Stamina Shot) & Exercise Training
Drug · Other
Lead sponsor
Duke University
Other
Eligibility
40 Years to 75 Years
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 29, 2017 · Synced Oct 25, 2026, 4:45 PM EDT
Completed No phase listed Observational

WeighT LOSS Surgery and Comprehensive Cardiometabolic Responses to to EXercise

NCT06576050
View directory record Official record
Conditions
Heart Failure, Obesity, Weight Loss, Heart Failure With Preserved Ejection Fraction
Interventions
Not listed
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
40 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 13, 2026 · Synced Oct 25, 2026, 4:45 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 25, 2026, 4:45 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Enhancing Functional Capacity in Older Adults With Short Session High Intensity Interval Training

NCT03750006
View directory record Official record
Conditions
Frailty
Interventions
Short session HIIT
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
60 Years to 85 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2022
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Aug 30, 2024 · Synced Oct 25, 2026, 4:45 PM EDT
Completed Phase 3 Interventional Results available

Evaluating the Effectiveness of Sildenafil at Improving Health Outcomes and Exercise Ability in People With Diastolic Heart Failure (The RELAX Study)

NCT00763867
View directory record Official record
Conditions
Heart Failure
Interventions
Placebo, Sildenafil
Drug
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
216 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
9
States / cities
Phoenix, Arizona • Atlanta, Georgia • Boston, Massachusetts + 6 more
Source: ClinicalTrials.gov public record
Updated Jul 23, 2014 · Synced Oct 25, 2026, 4:45 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Exercise Capacity in Pediatric Sickle Cell Anemia

NCT01527799
View directory record Official record
Conditions
Sickle Cell Anemia
Interventions
Not listed
Lead sponsor
Ann & Robert H Lurie Children's Hospital of Chicago
Other
Eligibility
8 Years to 21 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2015
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Feb 4, 2016 · Synced Oct 25, 2026, 4:45 PM EDT
Completed Not applicable Interventional

Telehealth Based Intervention to Improve Functional Capacity in Survivors of Childhood Cancer With Significantly Limited Exercise Tolerance

NCT04714840
View directory record Official record
Conditions
Childhood Cancer, Mobility Limitation
Interventions
Exercise testing results, Individually tailored exercise program (INT), Generalized exercise recommendations (AC)
Other
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
18 Years to 39 Years
Enrollment
181 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 1, 2026 · Synced Oct 25, 2026, 4:45 PM EDT
Not yet recruiting Not applicable Interventional

Phase I Randomized Controlled Trial of Functional Resistance Training in Older Cancer Survivors: The ACES Trial

NCT07606313
View directory record Official record
Conditions
Hematopoietic and Lymphatic System Neoplasm, Malignant Solid Neoplasm, Cancer, Functional Limitation
Interventions
Functional Resistance Training, Stretching, Delayed Functional Resistance Training
Other
Lead sponsor
OHSU Knight Cancer Institute
Other
Eligibility
65 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated May 26, 2026 · Synced Oct 25, 2026, 4:45 PM EDT
Recruiting Not applicable Interventional

Effect of Music on Cardiopulmonary Exercise Capacity in Heart Failure Patients

NCT05537467
View directory record Official record
Conditions
Heart Failure
Interventions
Music
Other
Lead sponsor
Maya Ignaszewski
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Jan 8, 2026 · Synced Oct 25, 2026, 4:45 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Short-Term Metformin Use in Young, Healthy Adults: Impacts on Exercise Capacity

NCT06638671
View directory record Official record
Conditions
Exercise Capacity, Metformin
Interventions
Metformin Hydrochloride, Placebo
Drug
Lead sponsor
University of Virginia
Other
Eligibility
18 Years to 30 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Jun 17, 2026 · Synced Oct 25, 2026, 4:45 PM EDT
Recruiting Not applicable Interventional

What is the Effect of Increased Consumption of Fruit Juice on Exercise Capacity and Inflammatory Biomarkers?

NCT07862049
View directory record Official record
Conditions
Inflammation, C-reactive Protein, Exercise Capacity
Interventions
Active Fruit Juice Intervention, Control Fruit Juice Intervention
Other
Lead sponsor
Northwell Health
Other
Eligibility
18 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 7, 2026 · Synced Oct 25, 2026, 4:45 PM EDT
Active, not recruiting Not applicable Interventional

Intravenous (IV) Saline and Exercise in Postural Tachycardia Syndrome (POTS)

NCT01000350
View directory record Official record
Conditions
Postural Tachycardia Syndrome
Interventions
Saline, Placebo
Drug · Other
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2031
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 16, 2026 · Synced Oct 25, 2026, 4:45 PM EDT