Independent directory Public ClinicalTrials.gov records United States
Clear filters
ClinicalTrials.gov public records Last synced Sep 9, 2026, 3:16 AM EDT

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

Showing 25–33 of 9 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Completed Not applicable Interventional

CATIE-Alzheimer's Disease Trial

NCT00015548
Conditions
Alzheimer's Disease
Interventions
Olanzapine, Quetiapine, Risperidone, Citalopram
Drug
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
Not listed
Enrollment
450 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2004
U.S. locations
34
States / cities
Tuscaloosa, Alabama • Irvine, California • Los Angeles, California + 29 more
Conditions
Schizophrenia, Schizoaffective Disorder, Schizophreniform Disorder
Interventions
Cognitive-Behavior Therapy, Standard Psychiatric Treatment
Behavioral · Other
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 50 Years
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
1
States / cities
New York, New York
Conditions
Chronic Mental Illness, Chronic Physical Illness
Interventions
Patient-Directed Wellness Account, Health Navigator
Behavioral
Lead sponsor
University of Florida
Other
Eligibility
21 Years to 55 Years
Enrollment
1,663 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
Gainesville, Florida
Conditions
Psychosis
Interventions
Pattern Separation Paradigm, Sequential Associative Mismatch Paradigm, Encoding Plasticity Paradigm
Diagnostic Test
Lead sponsor
NYU Langone Health
Other
Eligibility
16 Years to 35 Years
Enrollment
212 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
New York, New York
Conditions
Dementia-related Psychosis
Interventions
Placebo, Pimavanserin 34 mg, Pimavanserin 20 mg
Drug
Lead sponsor
ACADIA Pharmaceuticals Inc.
Industry
Eligibility
50 Years to 90 Years
Enrollment
392 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
27
States / cities
Costa Mesa, California • Fullerton, California • Aventura, Florida + 22 more
Conditions
Schizophrenia, Schizo Affective Disorder, Schizophreniform Disorders, Delusional Disorder, Other Specified Schizophrenia Spectrum and Other Psychotic Disorder
Interventions
adapted behavioral intervention
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
16 Years to 30 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
New York, New York
Conditions
Parkinson's Disease Psychosis, Dementia With Lewy Bodies
Interventions
Pimavanserin, Quetiapine
Drug
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
Not listed
Enrollment
94 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
2
States / cities
San Antonio, Texas
Conditions
Parkinson Disease
Interventions
Pimavanserin
Drug
Lead sponsor
State University of New York - Downstate Medical Center
Other
Eligibility
40 Years to 85 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Brooklyn, New York
Conditions
Schizophrenia
Interventions
ACP-103
Drug
Lead sponsor
ACADIA Pharmaceuticals Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
11
States / cities
Cerritos, California • Garden Grove, California • Glendale, California + 7 more