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Showing 1–24 of 79 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Functional Abilities Clear all
Completed Phase 2 Interventional Accepts healthy volunteers

Neuropsychological Effects of Strengthening Exercise for Older Adults

NCT00894205
View directory record Official record
Conditions
Cognitive Ability, General
Interventions
strengthening exercise program
Behavioral
Lead sponsor
Union College, New York
Other
Eligibility
50 Years and older
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
Schenectady, New York
Source: ClinicalTrials.gov public record
Updated Mar 10, 2015 · Synced Jul 23, 2026, 5:27 AM EDT
Completed Not applicable Interventional

Exercise and Activities for Independent Living With Mild Cognitive Impairment (MCI)

NCT00446394
View directory record Official record
Conditions
Mild Cognitive Impairment, Dementia
Interventions
Resources and Activities for Life Long Independence (RALLI), Social Walking program (SW)
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
70 Years and older
Enrollment
181 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2012
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Oct 18, 2012 · Synced Jul 23, 2026, 5:27 AM EDT
Not listed Not applicable Interventional

Modafinil in Treating Fatigue in Patients With Cancer

NCT00112515
View directory record Official record
Conditions
Cognitive/Functional Effects, Depression, Fatigue, Unspecified Adult Solid Tumor, Protocol Specific
Interventions
modafinil, cognitive assessment, psychosocial assessment and care, quality-of-life assessment
Drug · Procedure
Lead sponsor
University of Virginia
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2004
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Aug 19, 2009 · Synced Jul 23, 2026, 5:27 AM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Neural and Cognitive Consequences of COVID-19 Survival

NCT06208943
View directory record Official record
Conditions
COVID Long-Haul, COVID-19, COVID-19 Pandemic, Brain Fog, Memory Deficits, Concentration Ability Impaired, Fatigue
Interventions
cross-sectional MRI and EEG assessments (NO INTERVENTION)
Other
Lead sponsor
San Francisco Veterans Affairs Medical Center
Federal
Eligibility
18 Years to 70 Years
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Apr 11, 2024 · Synced Jul 23, 2026, 5:27 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Effects of an Oral GH Secretagogue (MK-677) on Body Composition and Functional Ability of Older Adults

NCT00474279
View directory record Official record
Conditions
Aging
Interventions
Orally active growth hormone secretagogue (MK-677)
Drug
Lead sponsor
University of Virginia
Other
Eligibility
60 Years and older
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1998 – 2004
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated May 15, 2007 · Synced Jul 23, 2026, 5:27 AM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Evaluation of Assessments of Motor Performance, Physical Impairments and Functional Abilities

NCT00747955
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Not listed
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
Not listed
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2017
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 16, 2019 · Synced Jul 23, 2026, 5:27 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

TDCS to Improve Motivation and Memory in Elderly (TIME)

NCT04268186
View directory record Official record
Conditions
Motivation
Interventions
Direct tDCS, Indirect tDCS, Personalized tDCS, Sham tDCS
Device
Lead sponsor
Northeastern University
Other
Eligibility
65 Years to 80 Years
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 12, 2020 · Synced Jul 23, 2026, 5:27 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Childhood Anesthesia and Cognitive Function

NCT01359215
View directory record Official record
Conditions
Cognitive Deficits, Cognitive Ability, General
Interventions
Not listed
Lead sponsor
University of California, San Francisco
Other
Eligibility
6 Years to 12 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
2
States / cities
Davis, California • San Francisco, California
Source: ClinicalTrials.gov public record
Updated Dec 11, 2013 · Synced Jul 23, 2026, 5:27 AM EDT
Completed Not applicable Interventional Results available

Development of Walk Assist Device to Improve Community Ambulation

NCT01994395
View directory record Official record
Conditions
Stroke
Interventions
The Stride Management Assist (SMA) System, Impairment based therapy
Device · Other
Lead sponsor
Shirley Ryan AbilityLab
Other
Eligibility
18 Years to 85 Years
Enrollment
53 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2020
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 26, 2020 · Synced Jul 23, 2026, 5:27 AM EDT
Completed Phase 2 Interventional

Study of the Effects Strengthening Exercises in Individuals With ALS

NCT00204464
View directory record Official record
Conditions
Amyotrophic Lateral Sclerosis
Interventions
Exercise
Procedure
Lead sponsor
University of Saskatchewan
Other
Eligibility
18 Years to 80 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 2004
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Nov 3, 2005 · Synced Jul 23, 2026, 5:27 AM EDT
Completed Not applicable Interventional

High-Speed Yoga and Executive Function

NCT04215900
View directory record Official record
Conditions
Executive Dysfunction, Parkinson Disease, Quality of Life
Interventions
High-speed yoga multi-directional yoga
Behavioral
Lead sponsor
University of Miami
Other
Eligibility
50 Years to 85 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Coral Gables, Florida
Source: ClinicalTrials.gov public record
Updated May 24, 2022 · Synced Jul 23, 2026, 5:27 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Cybercycling for Cognitive Health

NCT01167400
View directory record Official record
Conditions
Cognitive Ability, General
Interventions
Cybercycling, Traditional exercise
Behavioral
Lead sponsor
Union College, New York
Other
Eligibility
50 Years and older
Enrollment
63 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
8
States / cities
Colonie, New York • Malta, New York • Niskayuna, New York + 2 more
Source: ClinicalTrials.gov public record
Updated Sep 4, 2014 · Synced Jul 23, 2026, 5:27 AM EDT
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Examining the Effect of Acute Intermittent Hypoxia on Serum Blood Proteins and Lower Limb Function

NCT06906536
View directory record Official record
Conditions
INCOMPLETE SPINAL CORD INJURY (ASIA D), Able Bodied
Interventions
Acute Intermittent Hypoxia (AIH)
Other
Lead sponsor
University of Colorado, Boulder
Other
Eligibility
18 Years to 75 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Boulder, Colorado
Source: ClinicalTrials.gov public record
Updated Apr 3, 2025 · Synced Jul 23, 2026, 5:27 AM EDT
Completed No phase listed Observational

Prospective Clinical Assessment Study in Children With Achondroplasia (ACH)

NCT04035811
View directory record Official record
Conditions
Achondroplasia
Interventions
Not listed
Lead sponsor
QED Therapeutics, a BridgeBio company
Industry
Eligibility
30 Months to 17 Years
Enrollment
271 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
8
States / cities
Oakland, California • Aurora, Colorado • Wilmington, Delaware + 5 more
Source: ClinicalTrials.gov public record
Updated Apr 2, 2026 · Synced Jul 23, 2026, 5:27 AM EDT
Not listed Not applicable Interventional

Trancutaneous Abdominal Stimulation on Bowel Function.

NCT04627168
View directory record Official record
Conditions
Spinal Cord Injuries, Constipation
Interventions
Non-invasive, surface electrical stimulation device, DS5 Digitimer
Device
Lead sponsor
Amol Soin, M.D., MBA
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Dayton, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 12, 2022 · Synced Jul 23, 2026, 5:27 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

BIG for Life: a Pilot Study

NCT04090476
View directory record Official record
Conditions
Parkinson Disease
Interventions
Exercise
Other
Lead sponsor
State University of New York - Upstate Medical University
Other
Eligibility
18 Years to 100 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Liverpool, New York
Source: ClinicalTrials.gov public record
Updated Jun 5, 2023 · Synced Jul 23, 2026, 5:27 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of a 10 Component Dietary Supplement on Health and the Quality of Life

NCT03052491
View directory record Official record
Conditions
Blood Pressure, HDL Low, Stress, Lung Function Decreased, Quality of Life, Energy Supply; Deficiency, Concentration Ability Impaired, Joint Instability, Immune Deficiency
Interventions
Stem Cell 100+
Dietary Supplement
Lead sponsor
Centagen, Inc.
Industry
Eligibility
35 Years to 80 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Feb 13, 2017 · Synced Jul 23, 2026, 5:27 AM EDT
Completed Phase 2 Interventional

Osteopuncture for Osteoarthritis-Associated Knee Pain & Disability

NCT00417313
View directory record Official record
Conditions
Osteoarthritis
Interventions
periosteal electro-acupuncture (osteopuncture).
Device
Lead sponsor
National Institute on Aging (NIA)
NIH
Eligibility
65 Years and older
Enrollment
88 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 31, 2006 · Synced Jul 23, 2026, 5:27 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Alzheimer's Caregiver Communication Study

NCT00182988
View directory record Official record
Conditions
Alzheimer's Disease
Interventions
Not listed
Lead sponsor
National Institute on Aging (NIA)
NIH
Eligibility
60 Years and older
Enrollment
140 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2007
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Nov 24, 2009 · Synced Jul 23, 2026, 5:27 AM EDT
Completed Not applicable Interventional Results available

Oxcarbazepine Versus Placebo in Childhood Autism

NCT00467753
View directory record Official record
Conditions
Autism
Interventions
Oxcarbazepine, Placebo/sugar pill
Drug · Other
Lead sponsor
University of Medicine and Dentistry of New Jersey
Other
Eligibility
5 Years to 17 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2011
U.S. locations
1
States / cities
Piscataway, New Jersey
Source: ClinicalTrials.gov public record
Updated Jan 12, 2021 · Synced Jul 23, 2026, 5:27 AM EDT
Recruiting No phase listed Observational

Prospective Clinical Assessment Study in Children With Hypochondroplasia

NCT06410976
View directory record Official record
Conditions
Hypochondroplasia
Interventions
Not listed
Lead sponsor
QED Therapeutics, a BridgeBio company
Industry
Eligibility
30 Months to 16 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
8
States / cities
Oakland, California • Aurora, Colorado • Washington D.C., District of Columbia + 5 more
Source: ClinicalTrials.gov public record
Updated Jul 15, 2026 · Synced Jul 23, 2026, 5:27 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

The Role of Motion in Infants' Ability to Categorize

NCT00362076
View directory record Official record
Conditions
Child Development
Interventions
Not listed
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
3 Months to 6 Years
Enrollment
941 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1998 – 2012
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Jul 23, 2026, 5:27 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Comprehensive Evaluation of Visual Function

NCT00894192
View directory record Official record
Conditions
Visual Function
Interventions
Izon Wavefront-guided lenses, Conventional lenses
Device
Lead sponsor
The Chicago Lighthouse
Other
Eligibility
18 Years to 35 Years
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 5, 2009 · Synced Jul 23, 2026, 5:27 AM EDT
Recruiting Phase 4 Interventional

A Study to Investigate of the Effects of Opioid Exposure on the Ability of the Diaphragm Muscle

NCT05856136
View directory record Official record
Conditions
Respiratory Function Loss, Respiratory Complication
Interventions
Fentanyl Injection
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
69 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 22, 2026 · Synced Jul 23, 2026, 5:27 AM EDT