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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Neuropsychiatric Disorders Clear all
Completed No phase listed Observational Accepts healthy volunteers

Characterization of Childhood-Onset Obsessive-Compulsive Disorder

NCT00044239
View directory record Official record
Conditions
Obsessive-Compulsive Disorder
Interventions
Not listed
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
4 Years to 12 Years
Enrollment
49 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2010
U.S. locations
4
States / cities
Little Rock, Arkansas • Gainesville, Florida • New York, New York + 1 more
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Jul 22, 2026, 6:35 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A PET Brain Imaging Study of mGluR5 in Subjects With Neuropsychiatric Conditions

NCT00870974
View directory record Official record
Conditions
Parkinson Disease, Huntington Disease, Autistic Spectrum Disorders, Fragile X Syndrome, Alzheimer Disease, Mild Cognitive Impairment
Interventions
[18F]FPEB
Drug
Lead sponsor
Institute for Neurodegenerative Disorders
Other
Eligibility
18 Years to 85 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2016
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jan 5, 2017 · Synced Jul 22, 2026, 6:35 PM EDT
Terminated Phase 2 Interventional Results available

Study Evaluating TheSafety And Efficacy Of PF-05212377 Or Placebo In Subjects With Alzheimer's Disease With Existing Neuropsychiatric Symptoms On Donepezil

NCT01712074
View directory record Official record
Conditions
Alzheimer's Disease
Interventions
PF-05212377 (SAM-760), Placebo
Drug · Other
Lead sponsor
Pfizer
Industry
Eligibility
60 Years and older
Enrollment
186 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
40
States / cities
Costa Mesa, California • Imperial, California • Rancho Mirage, California + 29 more
Source: ClinicalTrials.gov public record
Updated Mar 19, 2017 · Synced Jul 22, 2026, 6:35 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Beyond Listening: A Music-based Intervention

NCT04840173
View directory record Official record
Conditions
Alzheimer's Disease (Incl Subtypes), Depressive Symptoms
Interventions
Music
Behavioral
Lead sponsor
MJHS Institute for Innovation in Palliative Care
Other
Eligibility
Female only
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2023
U.S. locations
1
States / cities
Brooklyn, New York
Source: ClinicalTrials.gov public record
Updated Aug 23, 2022 · Synced Jul 22, 2026, 6:35 PM EDT
Completed Not applicable Interventional

taVNS on the Inpatient Psychiatric Unit

NCT05791383
View directory record Official record
Conditions
Depression, Anxiety
Interventions
transcutaneous auricular neurostimulation
Device
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Apr 5, 2025 · Synced Jul 22, 2026, 6:35 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Magnetic Resonance Imaging (MRI) of Neuropsychiatric Patients and Healthy Volunteers

NCT00004571
View directory record Official record
Conditions
Schizophrenia, Normal Physiology
Interventions
Not listed
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years to 120 Years
Enrollment
3,273 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2000
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 3, 2026 · Synced Jul 22, 2026, 6:35 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Magnetic Resonance Spectroscopy, Perfusion and Diffusion Tensor Imaging in Neuropsychiatric Lupus

NCT00723671
View directory record Official record
Conditions
Systemic Lupus Erythematosus, Fibromyalgia, Acute Neuropsychiatric Lupus
Interventions
MRI
Procedure
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
66 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2013
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Dec 13, 2015 · Synced Jul 22, 2026, 6:35 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Targeting Specific Brain Networks to Treat Specific Symptoms in Depression

NCT05523817
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
Intermittent Theta Burst Stimulation (iTBS)
Device
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 28, 2025 · Synced Jul 22, 2026, 6:35 PM EDT
Not listed Phase 2 Interventional

Levetiracetam for Alzheimer's Disease Neuropsychiatric Symptoms Related to Epilepsy Trial (LAPSE)

NCT04004702
View directory record Official record
Conditions
Alzheimer Disease
Interventions
Levetiracetam
Drug
Lead sponsor
Walter Reed National Military Medical Center
Federal
Eligibility
Not listed
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2019 · Synced Jul 22, 2026, 6:35 PM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Brain Tissue Collection for Neuropathological Studies

NCT00001260
View directory record Official record
Conditions
Bipolar Disorder, Depression, Anxiety Disorders, Schizophrenia, Tourette's Syndrome, Brain Diseases
Interventions
Not listed
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
Not listed
Enrollment
2,161 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1990 – 2017
U.S. locations
3
States / cities
Washington D.C., District of Columbia • Bethesda, Maryland • Fairfax, Virginia
Source: ClinicalTrials.gov public record
Updated Dec 8, 2019 · Synced Jul 22, 2026, 6:35 PM EDT
Completed Not applicable Interventional

Clinical Study to Evaluate Patient Outcomes Following Pharmacogenetic Testing of Subjects Exhibiting Neuropsychiatric Disorders

NCT02411123
View directory record Official record
Conditions
Depression, Anxiety
Interventions
IDgenetix Neuropsychiatric Test Panel
Genetic
Lead sponsor
AltheaDx
Industry
Eligibility
18 Years to 80 Years
Enrollment
220 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015
U.S. locations
1
States / cities
Raleigh, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 28, 2015 · Synced Jul 22, 2026, 6:35 PM EDT
Recruiting Not applicable Interventional

Model-based Electrical Brain Stimulation

NCT05327387
View directory record Official record
Conditions
Medication Refractory Epilepsy Patients With Electrodes Already Implanted Based on Clinical Criteria for Standard Monitoring
Interventions
model-based electrical brain stimulation
Other
Lead sponsor
University of Southern California
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
2
States / cities
Los Angeles, California • San Francisco, California
Source: ClinicalTrials.gov public record
Updated Sep 21, 2025 · Synced Jul 22, 2026, 6:35 PM EDT
Completed Not applicable Interventional

Comprehensive Home-based Dementia Care Coordination for Medicare-Medicaid Dual Eligibles in Maryland

NCT02395731
View directory record Official record
Conditions
Dementia, Caregiver Burden
Interventions
MIND at Home-Plus Intervention
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
Not listed
Enrollment
342 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 30, 2018 · Synced Jul 22, 2026, 6:35 PM EDT
Not listed No phase listed Observational

A Music-Based Mobile App for People Living With Alzheimer's Disease and Related Dementias (ADRD)

NCT06140342
View directory record Official record
Conditions
Dementia, Agitation, Depressive Symptoms
Interventions
Feasibility study of music-based mobile app
Behavioral
Lead sponsor
Autotune Me LLC
Other
Eligibility
Not listed
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Brooklyn, New York
Source: ClinicalTrials.gov public record
Updated Nov 23, 2023 · Synced Jul 22, 2026, 6:35 PM EDT
Completed Phase 4 Interventional Results available

"Pilot Study of Armodafinil in Patients With Dementia With Lewy Bodies"

NCT01023672
View directory record Official record
Conditions
Dementia With Lewy Bodies
Interventions
Armodafinil
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
50 Years to 90 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 4, 2013 · Synced Jul 22, 2026, 6:35 PM EDT
Completed No phase listed Observational

The Unhide™ Project: Economic Impact Study of IVIG Treatment for PANS

NCT06818656
View directory record Official record
Conditions
PANDAS, PANS, PANS Pediatric Acute-Onset Neuropsychiatric Syndrome, Pediatric Acute-onset Neuropsychiatric Syndrome (PANS), Pediatric Acute-Onset Neuropsychiatric Syndrome, Pediatric Autoimmune Neuropsychiatric Disorders Associated With Streptococcal Infections
Interventions
Not listed
Lead sponsor
Brain Inflammation Collaborative
Other
Eligibility
2 Years to 89 Years
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
Delafield, Wisconsin
Source: ClinicalTrials.gov public record
Updated Sep 11, 2025 · Synced Jul 22, 2026, 6:35 PM EDT
Recruiting No phase listed Observational

Lupus Landmark Study: A Prospective Registry and Biorepository

NCT05934149
View directory record Official record
Conditions
Systemic Lupus Erythematosus (SLE), Lupus Nephritis, Neuropsychiatric Systemic Lupus Erythematosus
Interventions
Not listed
Lead sponsor
Lupus Research Alliance
Other
Eligibility
18 Years to 110 Years
Enrollment
3,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2035
U.S. locations
19
States / cities
Birmingham, Alabama • Tucson, Arizona • Beverly Hills, California + 15 more
Source: ClinicalTrials.gov public record
Updated Apr 14, 2026 · Synced Jul 22, 2026, 6:35 PM EDT
Completed No phase listed Observational

The Neuropsychiatric Evaluation of HIV-Positive and Negative Drug Using Individuals: Study 215

NCT01034800
View directory record Official record
Conditions
HIV Infections
Interventions
Not listed
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
Not listed
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2006
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 16, 2009 · Synced Jul 22, 2026, 6:35 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

The MObile AssessMENT of Behavioral and Psychological Symptoms of Dementia in Amnestic MCI and AD (MOMENT) Study

NCT04482036
View directory record Official record
Conditions
Alzheimer Disease, Mild Memory Disturbance, Mild Cognitive Impairment
Interventions
Mobile Phone Application Assessments, Standard Assessments
Other
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 120 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Aug 31, 2023 · Synced Jul 22, 2026, 6:35 PM EDT
Completed Phase 3 Interventional Results available

Extension Study of Pimavanserin in Adult Subjects With Neuropsychiatric Symptoms Related to Neurodegenerative Disease

NCT03623321
View directory record Official record
Conditions
Neuropsychiatric Symptoms Related to Neurodegenerative Disease
Interventions
Pimavanserin
Drug
Lead sponsor
ACADIA Pharmaceuticals Inc.
Industry
Eligibility
60 Years and older
Enrollment
595 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
17
States / cities
Gilbert, Arizona • Costa Mesa, California • Santa Ana, California + 9 more
Source: ClinicalTrials.gov public record
Updated Dec 19, 2024 · Synced Jul 22, 2026, 6:35 PM EDT
Active, not recruiting Not applicable Interventional

Sleep Disturbance and Emotion Regulation Brain Dysfunction as Mechanisms of Neuropsychiatric Symptoms in Alzheimer's Dementia

NCT04100057
View directory record Official record
Conditions
Alzheimer Disease, Mild Cognitive Impairment, Neuropsychiatric Symptoms, Sleep Disturbance
Interventions
Cognitive Behavioral Therapy for Insomnia (CBT-I), Desensitization Therapy for insomnia (DT-I)
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
50 Years to 90 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated May 18, 2026 · Synced Jul 22, 2026, 6:35 PM EDT
Completed Not applicable Interventional

A Pilot rTMS Trial for Neuropsychiatric Symptoms of Long-COVID

NCT06586398
View directory record Official record
Conditions
Long Covid-19, PASC Post Acute Sequelae of COVID 19, Brain Fog, Fatigue
Interventions
rTMS
Device
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jul 5, 2026 · Synced Jul 22, 2026, 6:35 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Pilot Study to Examine Health Effects of Daylight Exposure on Dementia Patients

NCT03483896
View directory record Official record
Conditions
Dementia, Depression, Behavior Disorders
Interventions
Daylight Intervention
Other
Lead sponsor
University of Southern California
Other
Eligibility
Not listed
Enrollment
83 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
8
States / cities
Alhambra, California • Azusa, California • Calabasas, California + 5 more
Source: ClinicalTrials.gov public record
Updated Mar 28, 2019 · Synced Jul 22, 2026, 6:35 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

I-123 Brain Studies of Serotonin Metabolism in Psychiatric Patients and Normal Volunteers

NCT00001771
View directory record Official record
Conditions
Healthy, Mental Disorder, Obsessive Compulsive Disorder, Schizophrenia, Tourette Syndrome
Interventions
Not listed
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
Not listed
Enrollment
112 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1998 – 2003
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Jul 22, 2026, 6:35 PM EDT