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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Exercise Intensity Clear all
Completed Not applicable Interventional

High-intensity Interval Circuit Training in People With Parkinson Disease

NCT06576817
View directory record Official record
Conditions
Parkinson Disease
Interventions
High intensity circuit exercise class - Lower and upper extremity, High intensity circuit exercise class - Lower extremity alone
Other
Lead sponsor
Pacific Northwest University of Health Sciences
Other
Eligibility
Not listed
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Yakima, Washington
Source: ClinicalTrials.gov public record
Updated Mar 26, 2026 · Synced Jul 23, 2026, 6:22 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effect of Compression Garments on Exercise Performance Following Acute High Intensity Exercise

NCT02076334
View directory record Official record
Conditions
Muscle Damage
Interventions
Far Infrared Fabric, Spandex
Other
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 35 Years
Enrollment
84 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 10, 2017 · Synced Jul 23, 2026, 6:22 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Solarplast (R) Supplementation Effects Following High-intensity Resistance Exercise

NCT06432868
View directory record Official record
Conditions
Muscle Damage
Interventions
Solarplast (R), Placebo
Dietary Supplement
Lead sponsor
Kent State University
Other
Eligibility
18 Years to 35 Years
Enrollment
46 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Kent, Ohio
Source: ClinicalTrials.gov public record
Updated May 28, 2024 · Synced Jul 23, 2026, 6:22 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Acquiring and Targeting Heat Exposures Necessary for Action

NCT05678738
View directory record Official record
Conditions
Heat Intolerance, Heat Stress, Fatigue; Heat
Interventions
Antioxidant Berry Supplementation, Acute and Chronic Exercise-Heat Stress, Placebo (non-juice) Supplementation
Dietary Supplement · Other
Lead sponsor
University of Connecticut
Other
Eligibility
18 Years to 50 Years
Enrollment
108 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Storrs, Connecticut
Source: ClinicalTrials.gov public record
Updated Sep 10, 2025 · Synced Jul 23, 2026, 6:22 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Physiological and Perceptual Responses During 4-Second Exercise

NCT06912932
View directory record Official record
Conditions
Cardiovascular Fitness
Interventions
Preventive
Behavioral
Lead sponsor
University of Texas at Austin
Other
Eligibility
18 Years to 30 Years
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Apr 5, 2025 · Synced Jul 23, 2026, 6:22 PM EDT
Recruiting Not applicable Interventional

Endurance Exercise & Virtual Reality for Optimizing Cortical Excitability and Neuroplasticity in PD

NCT06133283
View directory record Official record
Conditions
Parkinson Disease
Interventions
High intensity endurance exercise, Stretching exercise, Virtual reality (VR)-based gaming
Behavioral
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
18 Years to 85 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Mar 30, 2026 · Synced Jul 23, 2026, 6:22 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

High Intensity Functional Training for Individuals With Neurologic Diagnoses and Their Care Partners

NCT05951985
View directory record Official record
Conditions
Neurologic Disorder, Parkinson Disease, Spinal Cord Injuries, Spina Bifida, Stroke, Poliomyelitis, Multiple Sclerosis, Brain Injuries
Interventions
HIFT
Behavioral
Lead sponsor
Arkansas Colleges of Health Education
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Fort Smith, Arkansas
Source: ClinicalTrials.gov public record
Updated Aug 21, 2025 · Synced Jul 23, 2026, 6:22 PM EDT
Recruiting Not applicable Interventional

C.A.P.A.B.L.E. (CrossFit® and Physical Activity: A Better Life Experience)

NCT03750981
View directory record Official record
Conditions
Cancer Survivors
Interventions
12 week pilot intervention study.
Behavioral
Lead sponsor
Barbara Ann Karmanos Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2028
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Nov 5, 2025 · Synced Jul 23, 2026, 6:22 PM EDT
Terminated Phase 2 Interventional Accepts healthy volunteers Results available

Hyperbaric VO2max Study

NCT02356900
View directory record Official record
Conditions
Exercise Training
Interventions
Hyperoxic hyperbaric interval exercise training, Normoxic, normobaric, interval exercise training, Oxygen
Procedure · Drug
Lead sponsor
Duke University
Other
Eligibility
18 Years to 35 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated May 16, 2017 · Synced Jul 23, 2026, 6:22 PM EDT
Recruiting Not applicable Interventional

Improving Cognitive Function Through High-intensity Interval Training in Breast Cancer Patients Undergoing Chemotherapy

NCT04724499
View directory record Official record
Conditions
Breast Cancer, Chemotherapy Effect, Exercise Therapy, Cognitive Change
Interventions
High-Intensity Intervals Training, Attention Control
Behavioral · Other
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
18 Years and older · Female only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 21, 2026 · Synced Jul 23, 2026, 6:22 PM EDT
Completed Not applicable Interventional

High-intensity Group Vocal Exercise to Improve Laryngeal Function in Patients With Parkinson Disease

NCT03263793
View directory record Official record
Conditions
Parkinson Disease
Interventions
Choral (group) singing therapy sessions
Behavioral
Lead sponsor
NYU Langone Health
Other
Eligibility
Up to 100 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 26, 2018 · Synced Jul 23, 2026, 6:22 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Short Duration High-intensity Interval Training on Peak Oxygen Consumption

NCT04656509
View directory record Official record
Conditions
Cardiovascular Fitness
Interventions
4-s sprint inertial load training
Other
Lead sponsor
University of Texas at Austin
Other
Eligibility
18 Years to 49 Years
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Dec 8, 2020 · Synced Jul 23, 2026, 6:22 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Comparative Analysis of Biomarkers in Response to Acute Moderate-Intensity Activity

NCT06217068
View directory record Official record
Conditions
Acute Exercise, Aerobic Exercise, Biomarkers
Interventions
Elliptical Activity
Behavioral
Lead sponsor
University of Georgia
Other
Eligibility
18 Years to 34 Years
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Athens, Georgia
Source: ClinicalTrials.gov public record
Updated Feb 19, 2025 · Synced Jul 23, 2026, 6:22 PM EDT
Recruiting Not applicable Interventional

HIIT Following Breast Cancer Chemotherapy

NCT05913713
View directory record Official record
Conditions
Breast Cancer
Interventions
12-week Intervention Period, 12-week Observation Period
Behavioral
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 85 Years · Female only
Enrollment
158 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Nov 20, 2025 · Synced Jul 23, 2026, 6:22 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Pre-workout Supplement Versus Caffeine on Energy Expenditure.

NCT04539054
View directory record Official record
Conditions
Healthy
Interventions
ENGN Shred, Nutricost caffeine powder, Crystal Light
Dietary Supplement
Lead sponsor
Northern Illinois University
Other
Eligibility
19 Years to 29 Years · Male only
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
DeKalb, Illinois
Source: ClinicalTrials.gov public record
Updated Sep 3, 2020 · Synced Jul 23, 2026, 6:22 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Acute Exercise Intensity on Cerebral Blood Flow and Cognitive Function in Older Adults

NCT05131217
View directory record Official record
Conditions
Aging Well
Interventions
Acute bout of Continuous Moderate Intensity Exercise, Acute bout of High Intensity Interval Training, Control
Other
Lead sponsor
University of Virginia
Other
Eligibility
65 Years and older
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Nov 28, 2023 · Synced Jul 23, 2026, 6:22 PM EDT
Completed Not applicable Interventional Results available

High-Intensity Exercise to Attenuate Limitations and Train Habits in Older Adults With HIV

NCT04550676
View directory record Official record
Conditions
Hiv, Fatigue, Mobility Limitation
Interventions
HIIT (intervention), CME (active control), Coaching, Control text message
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
50 Years and older
Enrollment
118 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
3
States / cities
Aurora, Colorado • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated May 27, 2026 · Synced Jul 23, 2026, 6:22 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Heat Therapy and Muscle Function Study

NCT04733287
View directory record Official record
Conditions
Exercise Intolerance, Aging, Heat Therapy, High Intensity Interval Training
Interventions
High Intensity Interval Training of the Knee Extensors, Muscle Heat Therapy, Muscle Disuse, Sham Heat Therapy
Other
Lead sponsor
Brigham Young University
Other
Eligibility
18 Years to 95 Years
Enrollment
148 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Provo, Utah
Source: ClinicalTrials.gov public record
Updated Feb 1, 2021 · Synced Jul 23, 2026, 6:22 PM EDT
Completed Not applicable Interventional

Blood Flow Restriction and Exercise in Parkinson's Disease

NCT07221994
View directory record Official record
Conditions
Parkinson' Disease
Interventions
Blood flow restriction (BFR) and aerobic exercise via recumbent stepping (Nu-Step)
Device
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jun 3, 2026 · Synced Jul 23, 2026, 6:22 PM EDT
Completed Not applicable Interventional Results available

High Intensity Interval Exercise SCI

NCT04940598
View directory record Official record
Conditions
Spinal Cord Injuries, Cardiometabolic Diseases
Interventions
high intensity interval exercise, No-exercise control group
Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
19 Years to 65 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Jul 23, 2024 · Synced Jul 23, 2026, 6:22 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Precision High-Intensity Training Through Epigenetics (PHITE)

NCT03380923
View directory record Official record
Conditions
Healthy
Interventions
Moderate Intensity, High Intensity
Behavioral
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 27 Years
Enrollment
239 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Oct 6, 2021 · Synced Jul 23, 2026, 6:22 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Inflammatory and Immune Response After High Intensity Exercise

NCT05277727
View directory record Official record
Conditions
Inflammatory Response
Interventions
Fucoidan 500mg, Placebo
Dietary Supplement
Lead sponsor
Marinova Pty Ltd
Industry
Eligibility
18 Years to 40 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Columbia, South Carolina
Source: ClinicalTrials.gov public record
Updated Jul 11, 2022 · Synced Jul 23, 2026, 6:22 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Acute Effects of High-intensity Interval Training With Mindfulness-based Recovery on Executive Function in Children

NCT06270589
View directory record Official record
Conditions
Healthy Volunteers
Interventions
MF-HIIT, MF-only, HIIT-only, Sitting rest
Behavioral
Lead sponsor
Purdue University
Other
Eligibility
10 Years to 12 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
West Lafayette, Indiana
Source: ClinicalTrials.gov public record
Updated Jun 28, 2026 · Synced Jul 23, 2026, 6:22 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effects of High-Intensity Interval Training Exercise in Adolescents With Hepatosteatosis

NCT04342390
View directory record Official record
Conditions
Non-Alcoholic Fatty Liver Disease, Insulin Resistance, High Intensity Interval Training, Childhood Obesity
Interventions
High-Intensity Interval Training (HIIT)
Other
Lead sponsor
Arkansas Children's Hospital Research Institute
Other
Eligibility
13 Years to 18 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
2
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Aug 21, 2024 · Synced Jul 23, 2026, 6:22 PM EDT