Independent directory Public ClinicalTrials.gov records United States
Clear filters
ClinicalTrials.gov public records Last synced Jul 23, 2026, 1:25 AM EDT

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

Showing 1–24 of 381 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Schizophreniform Disorder, Schizoaffective Disorder, Psychosis, Depressive Disorder, Major, Bipolar Disorder
Interventions
Ziprasidone
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
13 Years to 17 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
New York, New York
Conditions
Major Depression With Psychotic Features
Interventions
quetiapine
Drug
Lead sponsor
Rush University Medical Center
Other
Eligibility
18 Years to 75 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
Schizophrenia and Related Disorders
Interventions
There is no intervention
Other
Lead sponsor
Northwell Health
Other
Eligibility
15 Years to 40 Years
Enrollment
77 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Glen Oaks, New York
Completed Not applicable Interventional Results available

Minnesota Community-Based Cognitive Training in Early Psychosis

NCT03079024
Conditions
Schizophrenia, Psychosis, Schizoaffective Disorder, Schizophreniform Disorders, Psychosis NOS, Depression Psychotic Feature, Bipolar Disorder With Psychotic Features, Unspecified Psychosis
Interventions
Targeted Cognitive Training, General Cognitive Exercises, Coordinated Specialty Care for First Episode Psychosis
Device · Other
Lead sponsor
University of Minnesota
Other
Eligibility
16 Years to 35 Years
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
1
States / cities
Minneapolis, Minnesota
Conditions
Apathy, Schizophrenia, Schizophrenia; Psychosis
Interventions
Lumateperone 42 mg, Risperidone 2 mg
Drug
Lead sponsor
Louisiana State University Health Sciences Center Shreveport
Other
Eligibility
18 Years to 65 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Shreveport, Louisiana
Conditions
Parkinson Disease Psychosis
Interventions
SEP-363856, Placebo capsule
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
55 Years to 105 Years
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
24
States / cities
Fresno, California • Los Angeles, California • Riverside, California + 19 more
Conditions
Major Depressive Disorder, Psychotic Disorders
Interventions
mifepristone, mifepristone matched placebo, mifepristone 600 mg, mifepristone 1200 mg
Drug
Lead sponsor
Corcept Therapeutics
Industry
Eligibility
18 Years to 75 Years
Enrollment
443 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2007
U.S. locations
44
States / cities
Little Rock, Arkansas • Cerritos, California • Fountain Valley, California + 40 more
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
Conditions
Psychotic Disorders, Substance Use
Interventions
Peer Approach to Substances in Early Psychosis Programs, Usual Care Peer Services
Behavioral
Lead sponsor
University of Texas at Austin
Other
Eligibility
15 Years to 32 Years
Enrollment
113 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
15
States / cities
Austin, Texas • Beaumont, Texas • Big Spring, Texas + 12 more
Conditions
Schizophrenia
Interventions
talnetant, risperidone
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 65 Years
Enrollment
231 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2003
U.S. locations
31
States / cities
Scottsdale, Arizona • Cerritos, California • Chula Vista, California + 27 more
Conditions
Affective Psychosis, Bipolar, Manic Disorder, Manic-Depressive Psychosis, Mania, Manic State, Psychoses, Manic-Depressive
Interventions
Quetiapine fumarate (Seroquel) SR
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 65 Years
Enrollment
447 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007
U.S. locations
51
States / cities
Phoenix, Arizona • Little Rock, Arkansas • Cerritos, California + 48 more
Completed No phase listed Observational Accepts healthy volunteers

Neuroimaging Studies of Neurophysiological Phenotypes in Schizophrenia

NCT01036568
Conditions
Schizophrenia, Psychosis
Interventions
Not listed
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 62 Years
Enrollment
121 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2013
U.S. locations
2
States / cities
Baltimore, Maryland
Recruiting Not applicable Interventional Accepts healthy volunteers

SPARK Healthy Sleep

NCT07119268
Conditions
Schizophrenia and Related Disorders, Sleep Disturbance
Interventions
SPARK Healthy Sleep
Device
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 65 Years
Enrollment
115 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Indianapolis, Indiana
Conditions
Schizophrenia
Interventions
Neuroadaptive cognitive training, Computer games
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
12 Years to 35 Years
Enrollment
144 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2015
U.S. locations
2
States / cities
Sacramento, California • San Francisco, California
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Multi-modal Assessment of Gamma-aminobutyric Acid (GABA) Function in Psychosis

NCT04004416
Conditions
Schizophrenia, Bipolar Disorder, Healthy, Psychosis, Schizophreniform Disorders, Schizo Affective Disorder, Major Depression With Psychotic Features
Interventions
Placebo and fMRI, Lorazepam and fMRI
Other · Drug
Lead sponsor
University of Michigan
Other
Eligibility
16 Years to 60 Years
Enrollment
143 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2025
U.S. locations
1
States / cities
Ann Arbor, Michigan
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
Mobile Application, Treatment as Usual (TAU)
Behavioral
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
18 Years and older
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Manchester, New Hampshire
Conditions
Parkinson Disease Psychosis
Interventions
Real-world, non-interventional
Other
Lead sponsor
ACADIA Pharmaceuticals Inc.
Industry
Eligibility
18 Years and older
Enrollment
764 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
69
States / cities
Cullman, Alabama • Anchorage, Alaska • Scottsdale, Arizona + 62 more
Conditions
Schizophrenia, Psychosis
Interventions
Active Trans-cranial direct-current stimulation, Sham Trans-cranial direct current stimulation
Device
Lead sponsor
Baylor College of Medicine
Other
Eligibility
18 Years to 50 Years
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Houston, Texas
Conditions
Psychotic Disorders, Prodromal Symptoms, Prodromal Schizophrenia, Psychosis, Family
Interventions
Family Focused Therapy for Clinical High Risk Youth (FFT-CHR), Enhanced Care (EC)
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
13 Years to 25 Years
Enrollment
220 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
6
States / cities
Los Angeles, California • San Diego, California • San Francisco, California + 3 more
Completed Not applicable Interventional Results available

Clinical Interviews With Detainees With Early Psychosis

NCT03962348
Conditions
First-Episode Psychosis
Interventions
Specialized Early Engagement Support Service
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
18 Years to 30 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
East Elmhurst, New York
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
Insomnia, Psychosis
Interventions
Cognitive Behavioral Therapy-Insomnia, Health and Wellness
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 80 Years
Enrollment
47 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Baltimore, Maryland
Recruiting Phase 3 Interventional Accepts healthy volunteers

Cognitive Strategies in Early Psychosis 1

NCT07231497
Conditions
Cognition, Healthy Participants
Interventions
Modafinil
Drug
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 35 Years
Enrollment
103 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2030
U.S. locations
1
States / cities
Minneapolis, Minnesota
Active, not recruiting No phase listed Observational Accepts healthy volunteers

AMP SCZ® Observational Study: PREDICT-DPACC

NCT05905003
Conditions
Clinical High Risk, Psychosis, Remission, Conversion
Interventions
Not listed
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
12 Years to 30 Years
Enrollment
2,617 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2027
U.S. locations
17
States / cities
Irvine, California • Los Angeles, California • San Diego, California + 13 more