Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 7, 2026, 6:15 AM EDT

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Showing 73–96 of 1,680 matching trials from the live ClinicalTrials.gov search.
Conditions
Schizophrenia
Interventions
Brexpiprazole (OPC-34712)
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
13 Years to 17 Years
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
10
States / cities
Little Rock, Arkansas • Culver City, California • Orange, California + 7 more
Conditions
Diabetes, Obesity, Weight Gain
Interventions
Behavioral Weight Loss Program
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 70 Years
Enrollment
122 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
1
States / cities
West Los Angeles, California
Conditions
Schizophrenia
Interventions
Olanzapine, Clozapine
Drug
Lead sponsor
Northwell Health
Other
Eligibility
10 Years to 18 Years
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2006
U.S. locations
3
States / cities
Dix Hills, New York • Glen Oaks, New York • The Bronx, New York
Conditions
Schizophrenia
Interventions
BI 409306, Placebo
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
18 Years to 55 Years
Enrollment
264 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
32
States / cities
Phoenix, Arizona • Costa Mesa, California • Garden Grove, California + 27 more
Conditions
Schizophrenia, Psychotic Disorders, Substance-Related Disorders, Bipolar Disorder
Interventions
Time limited case management, Health Education
Behavioral
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years and older
Enrollment
102 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
2
States / cities
Bedford, Massachusetts • East Orange, New Jersey
Conditions
Schizophrenia
Interventions
Phlebotomy
Procedure
Lead sponsor
North Suffolk Mental Health Association
Other
Eligibility
18 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2009
U.S. locations
1
States / cities
Boston, Massachusetts
Recruiting Phase 4 Interventional Accepts healthy volunteers

Anticholinergic Deprescription in Schizophrenia

NCT06562608
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
Anticholinergic Deprescription, No Anticholinergic Deprescription
Drug
Lead sponsor
Deepak K. Sarpal, M.D.
Other
Eligibility
40 Years to 70 Years
Enrollment
105 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Conditions
Schizophrenia
Interventions
placebo, SEP-363856, metformin
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
2
States / cities
Oakland Park, Florida • Marlton, New Jersey
Conditions
Depression, Anxiety, Psychosis
Interventions
Participatory technology development, Usual Care
Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
Not listed
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Schizophrenia Disorders, Chronic Illness, Schizoaffective Disorder, Weight Gain
Interventions
Collaborative Chronic Illness Model
Procedure
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years and older
Enrollment
443 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2004
U.S. locations
1
States / cities
West Los Angeles, California
Conditions
Schizophrenia
Interventions
NBI-1117568, Placebo
Drug
Lead sponsor
Neurocrine Biosciences
Industry
Eligibility
18 Years to 65 Years
Enrollment
560 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
22
States / cities
Garden Grove, California • La Habra, California • Lemon Grove, California + 17 more
Conditions
Tardive Dyskinesia, Antipsychotic Agents
Interventions
Pyridoxine, Placebo
Dietary Supplement
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 80 Years
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Conditions
Schizophrenia
Interventions
TV-46000, Placebo
Drug
Lead sponsor
Teva Branded Pharmaceutical Products R&D, Inc.
Industry
Eligibility
13 Years to 65 Years
Enrollment
336 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
67
States / cities
Phoenix, Arizona • Scottsdale, Arizona • Tucson, Arizona + 57 more
Conditions
Schizophrenia, Impaired Cognition
Interventions
EVP-6124
Drug
Lead sponsor
FORUM Pharmaceuticals Inc
Industry
Eligibility
18 Years to 50 Years
Enrollment
830 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
69
States / cities
Little Rock, Arkansas • Anaheim, California • Bellflower, California + 66 more
Conditions
Schizophrenia
Interventions
PF-00217830, Placebo, Aripiprazole
Drug · Other
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
164 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
8
States / cities
Garden Grove, California • Torrance, California • Washington D.C., District of Columbia + 5 more
Conditions
Schizophrenia, Alzheimer Disease
Interventions
Placebo matching BI 409306 25 mg, Placebo matching BI 409306 50 mg, BI 409306 25 mg, BI 409306 50 mg
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
18 Years and older
Enrollment
61 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
3
States / cities
La Jolla, California • Eatontown, New Jersey • Austin, Texas
Conditions
Adenovirus, Anesthesia, Anxiety, Anxiolysis, Autism, Autistic Disorder, Bacterial Meningitis, Bacterial Septicemia, Benzodiazepine, Bipolar Disorder, Bone and Joint Infections, Central Nervous System Infections, Convulsions, Cytomegalovirus Retinitis, Early-onset Schizophrenia Spectrum Disorders, Epilepsy, General Anesthesia, Gynecologic Infections, Herpes Simplex Virus, Infantile Hemangioma, Infection, Inflammation, Inflammatory Conditions, Intra-abdominal Infections, Lower Respiratory Tract Infections, Migraines, Pain, Pneumonia, Schizophrenia, Sedation, Seizures, Skeletal Muscle Spasms, Skin and Skin-structure Infections, Treatment-resistant Schizophrenia, Urinary Tract Infections, Withdrawal, Sepsis, Gram-negative Infection, Bradycardia, Cardiac Arrest, Cardiac Arrhythmia, Staphylococcal Infections, Nosocomial Pneumonia, Neuromuscular Blockade, Methicillin Resistant Staphylococcus Aureus, Endocarditis, Neutropenia, Headache, Fibrinolytic Bleeding, Pulmonary Arterial Hypertension, CMV Retinitis, Hypertension, Chronic Kidney Diseases, Hyperaldosteronism, Hypokalemia, Heart Failure, Hemophilia, Heavy Menstrual Bleeding, Insomnia
Interventions
The POPS study is collecting PK data on children prescribed the following drugs of interest per standard of care:
Drug
Lead sponsor
Daniel Benjamin
Other
Eligibility
Up to 21 Years
Enrollment
3,520 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2019
U.S. locations
43
States / cities
Anchorage, Alaska • Little Rock, Arkansas • La Jolla, California + 37 more
Conditions
Schizophrenia, Fatty Acid Deficiency
Interventions
Omega-3 Fatty Acids, Olive oil placebo, EPA fish oil concentrate; DHA fish oil concentrate, Placebo
Dietary Supplement · Other · Drug
Lead sponsor
University of Cincinnati
Other
Eligibility
8 Years to 25 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Cincinnati, Ohio
Conditions
Schizophrenia
Interventions
Org 24448, Placebo
Drug · Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 55 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009
U.S. locations
8
States / cities
Los Angeles, California • Catonsville, Maryland • Boston, Massachusetts + 4 more
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
Conditions
Schizophrenia
Interventions
Caregiver psycho-education and skills training, Caregiver support available at the study site, Paliperidone palmitate, Chlorpromazine, Droperidol, Fluphenazine, Haloperidol, Loxapine, Perphenazine, Pimozide, Prochlorperazine, Thiothixene, Thioridazine, Trifluoperazine, Aripiprazole, Asenapine, Clozapine, Iloperidone, Olanzapine, Paliperidone, Quetiapine, Risperidone, Ziprasidone
Other · Drug
Lead sponsor
Janssen Scientific Affairs, LLC
Industry
Eligibility
18 Years and older
Enrollment
296 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
34
States / cities
Bullhead City, Arizona • Oceanside, California • Denver, Colorado + 31 more
Conditions
Schizoaffective Disorder, Schizophrenia
Interventions
Not listed
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
45 Years and older
Enrollment
76 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2005
U.S. locations
1
States / cities
San Diego, California
Conditions
Schizophrenia
Interventions
placebo, Ziprasidone oral capsules
Drug
Lead sponsor
Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
Industry
Eligibility
13 Years to 17 Years
Enrollment
284 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
46
States / cities
Birmingham, Alabama • San Diego, California • Stanford, California + 34 more
Conditions
Schizophrenia, Cognitive Deficits, Impulsive Aggression, Emotion, Impulsivity
Interventions
Cognitive Remediation (CRT), CRT+ Social Cognition Training
Behavioral
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years to 60 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
2
States / cities
New York, New York • White Plains, New York