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ClinicalTrials.gov public records Last synced May 21, 2026, 9:50 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 25–37 of 13 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Apathy Clear all
Completed No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Parkinson's Disease
Interventions
Not listed
Lead sponsor
NYU Langone Health
Other
Eligibility
21 Years and older
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2019
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 9, 2019 · Synced May 21, 2026, 9:50 PM EDT
Not yet recruiting Not applicable Interventional
View directory record Official record
Conditions
Parkinson Disease, Deep Brain Stimulation, Apathy
Interventions
Deep Brain Stimulation
Device
Lead sponsor
Nora Vanegas
Other
Eligibility
40 Years to 75 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2032
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 30, 2025 · Synced May 21, 2026, 9:50 PM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Frontotemporal Lobar Degeneration
Interventions
Not listed
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
45 Years to 95 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2009
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced May 21, 2026, 9:50 PM EDT
Terminated No phase listed Observational
View directory record Official record
Conditions
Apathy, Parkinson Disease
Interventions
Istradefylline 40 mg
Drug
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 99 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Feb 1, 2026 · Synced May 21, 2026, 9:50 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Apathy, Mild Cognitive Impairment, Transcranial Magnetic Stimulation, Loneliness, COVID, Neuropsychiatric Symptoms
Interventions
Transcranial Magnetic Stimulation
Device
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
55 Years and older
Enrollment
103 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2024
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Nov 24, 2025 · Synced May 21, 2026, 9:50 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Apathy, Alzheimer's Disease
Interventions
Modafinil, Placebo
Drug
Lead sponsor
Brown University
Other
Eligibility
65 Years to 95 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2007
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Mar 3, 2011 · Synced May 21, 2026, 9:50 PM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Tourette Syndrome, Apathy
Interventions
Children's Motivation Scale, Yale Global Tic Severity Scale (YGTSS), Studies Depression Scale for Children (CES-DC), Gilles de la Tourette Syndrome Quality Of Life scale, Demographic Data
Other
Lead sponsor
University of Florida
Other
Eligibility
12 Years to 16 Years
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jul 5, 2017 · Synced May 21, 2026, 9:50 PM EDT
Not listed Phase 2 Interventional
View directory record Official record
Conditions
Frontotemporal Dementia
Interventions
Syntocinon
Drug
Lead sponsor
London Health Sciences Centre Research Institute OR Lawson Research Institute of St. Joseph's
Other
Eligibility
30 Years to 80 Years
Enrollment
112 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
5
States / cities
Los Angeles, California • San Francisco, California • Baltimore, Maryland + 2 more
Source: ClinicalTrials.gov public record
Updated Dec 14, 2023 · Synced May 21, 2026, 9:50 PM EDT
Recruiting Not applicable Interventional
View directory record Official record
Conditions
Parkinson Disease
Interventions
Transcranial Magnetic Stimulation (TMS)
Device
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
55 Years to 80 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 18, 2025 · Synced May 21, 2026, 9:50 PM EDT
Completed Phase 4 Interventional
View directory record Official record
Conditions
Depression, Side Effects, Sexual Dysfunction, Apathy
Interventions
Wellbutrin XL
Drug
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 60 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2007
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Oct 15, 2007 · Synced May 21, 2026, 9:50 PM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Insulin Sensitivity, Apathy
Interventions
Diet without soy, Diet with soy
Other
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
50 Years to 75 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Dec 1, 2025 · Synced May 21, 2026, 9:50 PM EDT
Terminated Not applicable Interventional
View directory record Official record
Conditions
Apathy, Stroke
Interventions
Transcranial Direct Current Stimulation
Device
Lead sponsor
Stony Brook University
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Stony Brook, New York
Source: ClinicalTrials.gov public record
Updated Oct 2, 2017 · Synced May 21, 2026, 9:50 PM EDT
Terminated Phase 2 Interventional Results available
View directory record Official record
Conditions
Apathy in Dementia
Interventions
CVL-871 1.0 mg, CVL-871 3.0 mg, Placebo
Drug
Lead sponsor
AbbVie
Industry
Eligibility
50 Years to 85 Years
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
17
States / cities
Scottsdale, Arizona • Little Rock, Arkansas • San Diego, California + 13 more
Source: ClinicalTrials.gov public record
Updated Mar 10, 2026 · Synced May 21, 2026, 9:50 PM EDT