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ClinicalTrials.gov public records Last synced Oct 20, 2026, 3:56 PM EDT

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Showing 1–24 of 387 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Unspecified Psychosis Clear all
Completed No phase listed Observational

Understanding Treatment Adherence Among Individuals With Bipolar Disorder

NCT00183495
View directory record Official record
Conditions
Bipolar Disorder
Interventions
Not listed
Lead sponsor
Case Western Reserve University
Other
Eligibility
18 Years and older
Enrollment
140 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2007
U.S. locations
1
States / cities
Beachwood, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 31, 2019 · Synced Oct 20, 2026, 3:56 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Peripheral Immune System in Individuals With Schizophrenia

NCT05109065
View directory record Official record
Conditions
Schizophrenia, Schizo Affective Disorder, Schizophreniform Disorders
Interventions
SCID (Standardized Clinical Interview for DSM-V), PSS (Perceived Stress Score), Urine Toxicology Screen, Vitals, Blood Work, PQ-B, COVID Screening, Positive and Negative Syndrome Scale (PANSS)
Diagnostic Test
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 40 Years
Enrollment
63 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Jun 6, 2025 · Synced Oct 20, 2026, 3:56 PM EDT
Recruiting Not applicable Interventional

Sacramento Clinical High Risk for Psychosis Stepped-Care Program

NCT06640803
View directory record Official record
Conditions
Clinical High Risk for Psychosis, Ultra High Risk for Psychosis
Interventions
Stepped-Care including Cognitive Behavioral Case Management
Behavioral
Lead sponsor
University of California, Davis
Other
Eligibility
12 Years to 25 Years
Enrollment
223 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
6
States / cities
Elk Grove, California • Sacramento, California
Source: ClinicalTrials.gov public record
Updated Dec 15, 2025 · Synced Oct 20, 2026, 3:56 PM EDT
Completed No phase listed Observational

Characterization and Progression of Minor Phenomena in Parkinson's Disease (PD)

NCT05240339
View directory record Official record
Conditions
Parkinson Disease, Parkinson Disease Psychosis, Hallucinations, Delusion
Interventions
Observation of minor phenomena
Other
Lead sponsor
University of Rochester
Other
Eligibility
30 Years and older
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Mar 8, 2024 · Synced Oct 20, 2026, 3:56 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Longitudinal Multimodal Neuroimaging Studies in Patients With First Episode Psychosis

NCT01688765
View directory record Official record
Conditions
Psychotic Disorders
Interventions
Observational
Other
Lead sponsor
Mclean Hospital
Other
Eligibility
18 Years to 45 Years
Enrollment
187 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2022
U.S. locations
1
States / cities
Belmont, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 27, 2022 · Synced Oct 20, 2026, 3:56 PM EDT
Recruiting Phase 3 Interventional

Open-Label Extension Study to Assess the Long-Term Safety and Tolerability of KarXT in Subjects With Psychosis Associated With Alzheimer's Disease (ADEPT-3)

NCT05980949
View directory record Official record
Conditions
Psychosis Associated With Alzheimer's Disease
Interventions
KarXT
Drug
Lead sponsor
Karuna Therapeutics, Inc., a Bristol Myers Squibb company
Industry
Eligibility
55 Years to 90 Years
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
148
States / cities
Homewood, Alabama • Chandler, Arizona • Gilbert, Arizona + 92 more
Source: ClinicalTrials.gov public record
Updated Oct 16, 2026 · Synced Oct 20, 2026, 3:56 PM EDT
Completed Not applicable Interventional Results available

Treatment to Enhance Cognition in Bipolar Disorder

NCT01470781
View directory record Official record
Conditions
Bipolar Disorder, Psychosis
Interventions
BrainWorks, Computer Control
Behavioral
Lead sponsor
Mclean Hospital
Other
Eligibility
18 Years to 50 Years
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
1
States / cities
Belmont, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 3, 2026 · Synced Oct 20, 2026, 3:56 PM EDT
Completed No phase listed Observational

A Study on Suicidality, Psychosis or Substance Abuse With Methylphenidate, Atomoxetine, Amphetamine/Dextroamphetamine or Lisdexamfetamine

NCT04132557
View directory record Official record
Conditions
Attention Deficit Disorder With Hyperactivity
Interventions
Methylphenidate, Lisdexamfetamine, Atomoxetine, Amphetamine, Dextroamphetamine
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
Not listed
Enrollment
430,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
1
States / cities
Titusville, New Jersey
Source: ClinicalTrials.gov public record
Updated Jun 25, 2025 · Synced Oct 20, 2026, 3:56 PM EDT
Completed Phase 4 Interventional Results available

Prevention of N-methyl-D-aspartate (NMDA) Antagonist-induced Psychosis in Kids

NCT00205712
View directory record Official record
Conditions
Psychoses, Substance-Induced
Interventions
Ketamine, Dexmedetomidine
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
7 Years to 17 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2007
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jan 14, 2016 · Synced Oct 20, 2026, 3:56 PM EDT
Recruiting No phase listed Observational

Biomarkers/Biotypes, Course of Early Psychosis and Specialty Services

NCT06740383
View directory record Official record
Conditions
Schizophrenia Spectrum and Other Psychotic Disorders, Schizophrenia, Delusional Disorder, Bipolar 1 Disorder, Schizoaffective Disorder, Psychosis Not Otherwise Specified, Early Psychosis
Interventions
Not listed
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years to 40 Years
Enrollment
320 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
6
States / cities
Hartford, Connecticut • Athens, Georgia • Chicago, Illinois + 3 more
Source: ClinicalTrials.gov public record
Updated Mar 10, 2026 · Synced Oct 20, 2026, 3:56 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Optimizing Cognitive Remediation Outcomes in Schizophrenia

NCT02105779
View directory record Official record
Conditions
Schizophrenia, Psychosis
Interventions
Targeted Cognitive Training, Social Cognitive Training
Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 65 Years
Enrollment
172 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2016
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Apr 5, 2019 · Synced Oct 20, 2026, 3:56 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

On Track for Wellness (OTW) Stepped Wedge Cluster Randomized Trial

NCT07387705
View directory record Official record
Conditions
Sleep, Physical Activity, First Episode Psychosis
Interventions
On Track for Wellness
Other
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
Not listed
Enrollment
365 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2030
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Oct 9, 2026 · Synced Oct 20, 2026, 3:56 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Targeting Cerebellum to Treat Psychosis: a Transcranial Magnetic Stimulation (TMS) Study

NCT02642029
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder, Bipolar Disorder I
Interventions
Excitatory TMS, Inhibitory TMS, Sham TMS
Device
Lead sponsor
Mclean Hospital
Other
Eligibility
18 Years to 50 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
2
States / cities
Belmont, Massachusetts • Charlestown, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 30, 2022 · Synced Oct 20, 2026, 3:56 PM EDT
Recruiting Not applicable Interventional

Reducing the Duration of Untreated Psychosis in the United States: The Impact of Screening and Systematic Communication

NCT05509998
View directory record Official record
Conditions
First Episode Psychosis (FEP), Clinical High Risk for Psychosis (CHR)
Interventions
Screening Method (SM), Screening and Communication Method (SCM)
Behavioral
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
12 Years to 30 Years
Enrollment
912 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 18, 2026 · Synced Oct 20, 2026, 3:56 PM EDT
Active, not recruiting Phase 1Phase 2 Interventional Accepts healthy volunteers

Glutamatergic Mechanisms of Psychosis and Target Engagement (SA1)

NCT04589208
View directory record Official record
Conditions
Healthy
Interventions
Ketamine Hydrochloride
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 55 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 13, 2026 · Synced Oct 20, 2026, 3:56 PM EDT
Completed Not applicable Interventional Results available

Mobile After-Care Support App: Pilot RCT

NCT03955250
View directory record Official record
Conditions
Psychotic Disorder
Interventions
Mobile After-Care Support (MACS) app, Mobile app attention control
Behavioral
Lead sponsor
Butler Hospital
Other
Eligibility
18 Years and older
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Mar 19, 2024 · Synced Oct 20, 2026, 3:56 PM EDT
Completed No phase listed Observational Results available

Second-Generation Antipsychotic Treatment Indication Effectiveness And Tolerability In Youth (Satiety) Study

NCT01269710
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder, Schizophreniform Disorder, Psychotic Disorder, Not Otherwise Specified, Prodromal Schizophrenia, Mood Disorder, Bipolar Disorder, Major Depressive Disorder, Depressive Disorder, Not Otherwise Specified, Mood Disorder, Not Otherwise Specified, Autism Spectrum Disorder
Interventions
Not listed
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
3 Years to 19 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 22, 2013 · Synced Oct 20, 2026, 3:56 PM EDT
Enrolling by invitation Not applicable Interventional

California Collaborative Network to Promote Data Driven Care and Improve Outcomes in Early Psychosis

NCT04007510
View directory record Official record
Conditions
First Episode Psychosis (FEP)
Interventions
EPI-CAL data network, Community DUP Assessment Tool
Combination Product · Diagnostic Test
Lead sponsor
University of California, Davis
Other
Eligibility
8 Years to 40 Years
Enrollment
1,329 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2026
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Jun 30, 2026 · Synced Oct 20, 2026, 3:56 PM EDT
Completed No phase listed Observational

Adherence in Patients Admitted to a Psychiatric Unit for Acute Psychosis: an Analysis of Serum Levels of Antipsychotics.

NCT01786369
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder, Bipolar Disorder
Interventions
Not listed
Lead sponsor
Northwell Health
Other
Eligibility
18 Years and older
Enrollment
106 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Glen Oaks, New York
Source: ClinicalTrials.gov public record
Updated Apr 14, 2015 · Synced Oct 20, 2026, 3:56 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Effects of Delta-9-THC and Iomazenil in Healthy Humans

NCT00982982
View directory record Official record
Conditions
Schizophrenia, Mental Disorders, Psychotic Disorders
Interventions
THC and Iomazenil, Placebo (control)
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 55 Years · Male only
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2013
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Dec 5, 2022 · Synced Oct 20, 2026, 3:56 PM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

Glutamatergic Mechanisms: Aim2

NCT05401227
View directory record Official record
Conditions
Healthy
Interventions
Ketamine, Ts-134 or XT, Placebo
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 55 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2029
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 17, 2026 · Synced Oct 20, 2026, 3:56 PM EDT
Completed Phase 3 Interventional Results available

Efficacy and Safety of Iloperidone Compared With Placebo and Active Control in Subjects With Acute Schizophrenia

NCT00254202
View directory record Official record
Conditions
Schizophrenia
Interventions
Iloperidone, Ziprasidone, Placebo
Drug
Lead sponsor
Vanda Pharmaceuticals
Industry
Eligibility
18 Years to 65 Years
Enrollment
593 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
33
States / cities
Little Rock, Arkansas • Anaheim, California • Cerritos, California + 28 more
Source: ClinicalTrials.gov public record
Updated Oct 6, 2026 · Synced Oct 20, 2026, 3:56 PM EDT
Completed Not applicable Interventional

Antidepressant and Antipsychotic to Treat Attenuated Positive and Negative Symptoms

NCT00169988
View directory record Official record
Conditions
Prodromal Schizophrenia, Psychotic Disorders
Interventions
risperidone, sertraline-primary
Drug
Lead sponsor
Northwell Health
Other
Eligibility
12 Years to 22 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2007
U.S. locations
1
States / cities
Glen Oaks, New York
Source: ClinicalTrials.gov public record
Updated Dec 17, 2009 · Synced Oct 20, 2026, 3:56 PM EDT
Completed Not applicable Interventional Results available

Improving Negative Symptoms of Psychosis In Real-world Environments

NCT02170051
View directory record Official record
Conditions
Schizophrenia
Interventions
CBSST-CCT, Goal focused supportive contact
Behavioral
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 65 Years
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated May 19, 2021 · Synced Oct 20, 2026, 3:56 PM EDT