Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 19, 2026, 11:16 PM EDT

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Showing 1273–1296 of 1,652 matching trials from the live ClinicalTrials.gov search.
Conditions
Alzheimer Disease, Psychosis
Interventions
KarXT, KarX-EC, KarXT + KarX-EC Arm Matching Placebo
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
55 Years to 90 Years
Enrollment
325 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
6
States / cities
Gilbert, Arizona • Chino, California • Naples, Florida + 2 more
Conditions
Schizophrenia, Negative Symptoms, Cognitive Dysfunction
Interventions
TC-5619, Placebo
Drug
Lead sponsor
Targacept Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
603 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
22
States / cities
Garden Grove, California • Glendale, California • Long Beach, California + 19 more
Conditions
Schizophrenia
Interventions
Lumateperone Long-Acting Injectable
Drug
Lead sponsor
Intra-Cellular Therapies, Inc.
Industry
Eligibility
18 Years to 50 Years
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
2
States / cities
Long Beach, California • Marlton, New Jersey
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
Ziprasidone
Drug
Lead sponsor
Manhattan Psychiatric Center
Other
Eligibility
18 Years to 65 Years
Enrollment
57 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2010
U.S. locations
1
States / cities
New York, New York
Conditions
Schizoaffective Disorder, Psychotic Disorder
Interventions
Placebo, Paliperidone ER
Drug
Lead sponsor
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
Industry
Eligibility
18 Years to 65 Years
Enrollment
307 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
15
States / cities
Cerritos, California • Costa Mesa, California • Garden Grove, California + 12 more
Conditions
Schizophrenia
Interventions
AZD3480
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 55 Years
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
66
States / cities
Little Rock, Arkansas • Anaheim, California • Cerritos, California + 63 more
Conditions
Schizophrenia
Interventions
Computerized Plasticity-Based Adaptive Cognitive Training, Commercially available computerized training, Optimized social skills training, Unstructured support group sessions
Other
Lead sponsor
Posit Science Corporation
Industry
Eligibility
18 Years to 60 Years
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
San Francisco, California
Conditions
Schizophrenia
Interventions
Ziprasidone 80-160 mg/d, Placebo, Ziprasidone 160 mg/d
Drug
Lead sponsor
Donald C. Goff, MD
Other
Eligibility
18 Years to 65 Years
Enrollment
131 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2011
U.S. locations
9
States / cities
Augusta, Georgia • Fall River, Massachusetts • Grand Rapids, Michigan + 6 more
Conditions
Post Traumatic Stress Disorder, Schizophrenia, Schizoaffective Disorder, Bipolar Disorder, Major Depression
Interventions
Prolonged Exposure for PTSD (PE) + Treatment as Usual (TAU), Treatment As Usual (TAU)
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
21 Years and older
Enrollment
134 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
Charleston, South Carolina
Enrolling by invitation No phase listed Observational

Zyprexa® Relprevv™ Patient Care Program

NCT01088386
Conditions
Schizophrenia
Interventions
Not listed
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years and older
Enrollment
4,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2026
U.S. locations
1
States / cities
Blue Bell, Pennsylvania
Completed Not applicable Interventional Accepts healthy volunteers

Janssen - Glucose Regulation/Risp/Olanz

NCT00205738
Conditions
Schizophrenia, Type 2 Diabetes Mellitus
Interventions
Risperidone, Olanzapine
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 60 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2000 – 2006
U.S. locations
1
States / cities
St Louis, Missouri
Conditions
Alzheimer's Disease, Psychosis, Agitation
Interventions
Haloperidol-Haloperidol, Haloperidol-Placebo
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
50 Years to 95 Years
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2004
U.S. locations
1
States / cities
New York, New York
Conditions
Bipolar Disorder
Interventions
lithium, valproate, bupropion, paroxetine, lamotrigine, risperidone, inositol, tranylcypromine, Cognitive Behavioral Therapy, Family-focused Therapy, Interpersonal and Social Rhythms Therapy
Drug · Behavioral
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
15 Years and older
Enrollment
5,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1998 – 2005
U.S. locations
11
States / cities
Stanford, California • Denver, Colorado • Boston, Massachusetts + 8 more
Conditions
Schizophrenia, Alcoholism, Dual Diagnosis
Interventions
Risperidone + Desipramine
Drug
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
18 Years to 65 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
4
States / cities
Worcester, Massachusetts • Grand Rapids, Michigan • Lebanon, New Hampshire + 1 more
Conditions
Schizophrenia, Bipolar Disorder, Psychotic Disorders
Interventions
divalproex sodium ER/paliperidone ER
Drug
Lead sponsor
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
Industry
Eligibility
18 Years to 65 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009
U.S. locations
3
States / cities
Kissimmee, Florida • Austin, Texas • Portsmount, Virginia
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, Schizo Affective Disorder
Interventions
Cromoglycate, Placebo
Drug
Lead sponsor
Vishwajit Nimgaonkar, MD PhD
Other
Eligibility
18 Years to 65 Years
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2028
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Completed No phase listed Observational Accepts healthy volunteers

Eye Blink Response in Healthy Volunteers and Adults With Schizophrenia

NCT00001920
Conditions
Healthy, Schizophrenia
Interventions
Not listed
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years to 60 Years
Enrollment
112 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1999 – 2010
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Alcohol Dependence, Bipolar Disorder, Depression, Mania, Psychosis
Interventions
Lamotrigine, Placebo
Drug
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 65 Years
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Charleston, South Carolina
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
Cognitive Remediation, Computer Games
Behavioral
Lead sponsor
Wesleyan University
Other
Eligibility
18 Years and older
Enrollment
135 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
2
States / cities
Hartford, Connecticut • Middletown, Connecticut
Completed No phase listed Observational Accepts healthy volunteers Results available

Genetic Research in Schizophrenia Using DNA Markers and Clinical Phenotypes

NCT00108303
Conditions
Schizophrenia
Interventions
Diagnostic
Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
1 Year to 79 Years
Enrollment
538 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2008
U.S. locations
1
States / cities
Denver, Colorado
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
E-CBSST, E-SC
Behavioral
Lead sponsor
University of California, San Diego
Other
Eligibility
60 Years and older
Enrollment
106 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
2
States / cities
San Diego, California • Dallas, Texas
Conditions
Schizophrenia, Schizoaffective Disorders, Schizophreniform Disorders
Interventions
Pravastatin, Placebo
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 68 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Schizophrenia
Interventions
CY6463, Placebo
Drug
Lead sponsor
Tisento Therapeutics
Industry
Eligibility
18 Years to 50 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
2
States / cities
Long Beach, California • Marlton, New Jersey