Independent directory Public ClinicalTrials.gov records United States
Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Oct 19, 2026, 9:34 AM EDT

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

Showing 1057–1080 of 1,652 matching trials from the live ClinicalTrials.gov search.
Conditions
Schizophrenia
Interventions
Iclepertin, Placebo
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
18 Years to 50 Years
Enrollment
620 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
18
States / cities
Garden Grove, California • La Habra, California • San Diego, California + 14 more
Conditions
Schizophrenia
Interventions
Lurasidone
Drug
Lead sponsor
Sumitomo Pharma America, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008
U.S. locations
1
States / cities
Culver City, California
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
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
Schizophrenia
Interventions
olanzapine, olanzapine pamoate depot
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years to 65 Years
Enrollment
524 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
13
States / cities
Escondido, California • National City, California • Orange, California + 10 more
Conditions
Schizophrenia
Interventions
bitopertin [RO4917838], olanzapine, placebo
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years to 65 Years
Enrollment
301 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
19
States / cities
Little Rock, Arkansas • Cerritos, California • Oceanside, California + 16 more
Conditions
Schizophrenia
Interventions
PP3M 175 mg eq., PP3M 263 mg eq., PP3M 350 mg eq., PP3M 525 mg eq., Placebo (20% Intralipid emulsion)
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
18 Years to 70 Years
Enrollment
509 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
15
States / cities
Little Rock, Arkansas • San Fran Cisco, California • Washington D.C., District of Columbia + 12 more
Completed Not applicable Interventional Accepts healthy volunteers

Pfizer/IVGTT/Ziprasidone/Olanzapine

NCT00205725
Conditions
Schizophrenia, Type 2 Diabetes Mellitus
Interventions
Ziprasidone, 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
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
Conditions
Schizophrenia, Depression, Bipolar Disorder, Anxiety Disorders, Cognitive Disorders, Personality Disorders
Interventions
Physical activity intervention with peer support (PA+PS), Physical activity intervention without peer support (PA)
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 70 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
Schizophrenia
Interventions
ALK3831, Olanzapine, Placebo
Drug
Lead sponsor
Alkermes, Inc.
Industry
Eligibility
18 Years to 70 Years
Enrollment
403 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
16
States / cities
Little Rock, Arkansas • Springdale, Arkansas • Culver City, California + 13 more
Conditions
Schizophrenia
Interventions
Brexpiprazole
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years to 35 Years
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
22
States / cities
Cerritos, California • Chula Vista, California • Costa Mesa, California + 17 more
Completed Not applicable Interventional Results available

Project Bridge: Peer Health Navigator Intervention

NCT02022462
Conditions
Schizophrenia, Depression, Medical Disorders, Serious Mental Illness
Interventions
Health Navigation
Behavioral
Lead sponsor
University of Southern California
Other
Eligibility
18 Years to 65 Years
Enrollment
151 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
1
States / cities
Santa Fe Springs, California
Conditions
Hallucinations, Psychoses, Parkinson's Disease
Interventions
ACP-103
Drug
Lead sponsor
ACADIA Pharmaceuticals Inc.
Industry
Eligibility
0 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2005
U.S. locations
13
States / cities
Fountain Valley, California • Sunnyvale, California • Danbury, Connecticut + 10 more
Conditions
Schizophrenia, Schizoaffective Disorder, Bipolar Disorder
Interventions
Wellness Program
Other
Lead sponsor
Manhattan Psychiatric Center
Other
Eligibility
18 Years to 65 Years
Enrollment
295 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
New York, New York
Conditions
Schizophrenia Agitation, Schizo Affective Disorder, Bipolar Disorder, Dexmedetomidine
Interventions
Dexmedetomidine, Lorazepam 2 MG/ML
Drug
Lead sponsor
Temple University
Other
Eligibility
18 Years to 55 Years
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
Schizophrenia
Interventions
ITI-007
Drug
Lead sponsor
Intra-Cellular Therapies, Inc.
Industry
Eligibility
18 Years to 60 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
Clinical High Risk for Psychosis
Interventions
Targeted Cognitive Training, Computer Games
Behavioral
Lead sponsor
Rush University Medical Center
Other
Eligibility
15 Years to 30 Years
Enrollment
139 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2021
U.S. locations
1
States / cities
Chicago, Illinois
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Oral Versus Injectable Risperidone for Treating First-Episode Schizophrenia

NCT00330551
Conditions
Schizophrenia
Interventions
Oral Risperidone, Risperidone in Long-Acting Injectable Form (Consta)
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 45 Years
Enrollment
126 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2012
U.S. locations
1
States / cities
Los Angeles, California
Completed Not applicable Interventional Results available

Improving Hallucinations by Targeting the rSTS With tES

NCT05165654
Conditions
Hallucinations, Auditory, Psychosis
Interventions
Transcranial Electrical Stimulation
Device
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years to 50 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Schizophrenia, Schizoaffective Disorder, Substance Use Disorders
Interventions
Brexpiprazole, Treatment as Usual
Drug · Other
Lead sponsor
University of Massachusetts, Worcester
Other
Eligibility
18 Years to 65 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
4
States / cities
Augusta, Georgia • Boston, Massachusetts • Worcester, Massachusetts + 1 more
Conditions
Treatment-resistant Schizophrenia
Interventions
Medtronic Percept with SensSight Deep Brain Stimulation System
Device
Lead sponsor
Johns Hopkins University
Other
Eligibility
22 Years to 65 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
Schizophrenia
Interventions
SEP-363856
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years to 40 Years
Enrollment
157 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
6
States / cities
Little Rock, Arkansas • Pico Rivera, California • San Diego, California + 3 more
Conditions
Schizophrenia
Interventions
Placebo, L-methylfolate
Other
Lead sponsor
Pamlab, Inc.
Industry
Eligibility
18 Years to 68 Years
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Boston, Massachusetts