Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 7, 2026, 4:03 PM EDT

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Showing 121–144 of 1,680 matching trials from the live ClinicalTrials.gov search.
Conditions
Schizophrenia
Interventions
Olanzapine, Perphenazine, Aripiprazole, Metformin, Simvastatin, Benztropine
Drug
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years to 40 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
13
States / cities
Colton, California • Palo Alto, California • New Haven, Connecticut + 10 more
Conditions
Bipolar Disorder, Schizophrenia
Interventions
Digital Health Feedback System
Other
Lead sponsor
Proteus Digital Health, Inc.
Industry
Eligibility
18 Years and older
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
2
States / cities
Boston, Massachusetts • Glen Oaks, New York
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
Conditions
Schizophrenia
Interventions
Test strategy for implementation guideline
Behavioral
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years to 65 Years
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 2000
U.S. locations
6
States / cities
Washington D.C., District of Columbia • New Orleans, Louisiana • Tuscaloosa, Maryland + 3 more
Conditions
Schizophrenia
Interventions
Transcranial Direct Current Stimulation
Device
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years to 47 Years
Enrollment
160 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2026
U.S. locations
1
States / cities
Sacramento, California
Withdrawn Phase 1Phase 2 Interventional Accepts healthy volunteers

Phosphatidylcholine Supplementation in Infants

NCT01905605
Conditions
Schizophrenia, Diminished P50 Sensory Gating
Interventions
phosphatidylcholine supplementation, placebo
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
1 Week to 7 Weeks
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2017
U.S. locations
1
States / cities
Aurora, Colorado
Completed Phase 3 Interventional Results available

Safety and Efficacy of Cariprazine in Schizophrenia

NCT01104779
Conditions
Schizophrenia
Interventions
Cariprazine, Placebo
Drug
Lead sponsor
Forest Laboratories
Industry
Eligibility
18 Years to 60 Years
Enrollment
446 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
15
States / cities
Costa Mesa, California • Long Beach, California • Paramount, California + 12 more
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
Olanzapine Extended Release, Olanzapine Immediate Release
Drug
Lead sponsor
Teva Branded Pharmaceutical Products R&D LLC
Industry
Eligibility
18 Years to 64 Years
Enrollment
106 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
5
States / cities
Los Alamitos, California • Hollywood, Florida • Atlanta, Georgia + 2 more
Conditions
Smoking Cessation, Schizophrenia
Interventions
Tropisetron, Placebo, Risperidone
Drug
Lead sponsor
Baylor College of Medicine
Other
Eligibility
18 Years to 64 Years
Enrollment
179 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2011
U.S. locations
1
States / cities
Houston, Texas
Conditions
Mental Health Symptoms, Wearables
Interventions
Not listed
Lead sponsor
4YouandMe
Other
Eligibility
18 Years and older
Enrollment
302 participants
Timeline
2023 – 2025
U.S. locations
1
States / cities
Seattle, Washington
Not yet recruiting Not applicable Interventional

NST-SPARK Open-Label Phase 1 STTR (IGNITE)

NCT07593456
Conditions
Schizophrenia / Schizoaffective Disorder
Interventions
NST-SPARK
Device
Lead sponsor
North Shore Therapeutics, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027 – 2028
U.S. locations
2
States / cities
Glen Oaks, New York • Philadelphia, Pennsylvania
Completed No phase listed Observational Accepts healthy volunteers

Screening Protocol for Research Participants

NCT01010620
Conditions
Schizophrenia, Substance Abuse, Cocaine Abuse, Tobacco Use Disorder
Interventions
Various Screening psychiatric and medical assessments
Behavioral
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years to 64 Years
Enrollment
523 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2019
U.S. locations
1
States / cities
Catonsville, Maryland
Conditions
Schizophrenia, Psychotic Disorders
Interventions
Pimozide, Placebo
Drug
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years to 65 Years
Enrollment
76 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2009
U.S. locations
3
States / cities
New York, New York • W. Brentwood, New York
Conditions
Schizophrenia, Schizoaffective, Bipolar Disorder 1
Interventions
Yoga-based Exercise (YE), Wellness Lifestyle Program (WLP)
Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 70 Years
Enrollment
112 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Conditions
Childhood Onset Psychotic Disorders, Schizophrenia
Interventions
Intranasal Oxytocin
Drug
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
10 Years to 99 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2012
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Schizophrenia, Schizophreniform Disorder, Schizoaffective Disorder
Interventions
Cognitive Training, Aerobic Exercise, Case management and supportive psychotherapy, Individual Placement and Support
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 45 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2023
U.S. locations
1
States / cities
Los Angeles, California
Completed Phase 1Phase 2 Interventional Results available

Electroconvulsive Therapy in Clozapine Refractory Schizophrenia

NCT00042224
Conditions
Schizophrenia
Interventions
Electroconvulsive Therapy (ECT), Clozapine
Procedure · Drug
Lead sponsor
Northwell Health
Other
Eligibility
18 Years to 60 Years
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2008
U.S. locations
1
States / cities
Glen Oaks, New York
Conditions
Schizophrenia
Interventions
Placebo, Bitopertin, Antipsychotics
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years and older
Enrollment
625 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
27
States / cities
Costa Mesa, California • Escondido, California • Granada Hills, California + 24 more
Conditions
Schizophrenia, Schizoaffective Disorder, Mood Disorder, Psychotic
Interventions
mobile Social Interaction Therapy by Exposure (mSITE)
Behavioral
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 65 Years
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
La Jolla, California
Conditions
Schizophrenia and Related Disorders
Interventions
Repetitive Transcranial Magnetic Stimulation (rTMS)
Device
Lead sponsor
Columbia University
Other
Eligibility
22 Years to 55 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
New York, New York
Conditions
Healthy Subjects, Schizophrenia, Parkinson Disease
Interventions
Oxygen-15 Water
Drug
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years to 90 Years
Enrollment
1,039 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 1993
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
placebo pregnenolone, pregnenolone
Dietary Supplement
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years to 65 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2014
U.S. locations
3
States / cities
Piscataway, New Jersey • New York, New York • White Plains, New York
Conditions
Schizophrenia
Interventions
Paliperidone extended release (ER), Aripiprazole
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
12 Years to 17 Years
Enrollment
228 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
6
States / cities
Dothan, Alabama • Santa Ana, California • Atlanta, Georgia + 3 more
Conditions
Schizophrenia
Interventions
NBI-1117568, Placebo
Drug
Lead sponsor
Neurocrine Biosciences
Industry
Eligibility
18 Years to 65 Years
Enrollment
284 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
21
States / cities
Bryant, Arkansas • Little Rock, Arkansas • Anaheim, California + 18 more