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ClinicalTrials.gov public records Last synced May 22, 2026, 3:53 AM EDT

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

Showing 25–33 of 9 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Treatment-Refractory Schizophrenia Clear all
Completed Phase 2Phase 3 Interventional
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
quetiapine
Drug
Lead sponsor
Manhattan Psychiatric Center
Other
Eligibility
18 Years to 64 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2014
U.S. locations
2
States / cities
New York, New York • Orangeburg, New York
Source: ClinicalTrials.gov public record
Updated Apr 16, 2015 · Synced May 22, 2026, 3:53 AM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Weight Gain, Sialorrhea
Interventions
FazaClo (clozapine, USP) ODT
Drug
Lead sponsor
Azur Pharma, Inc
Industry
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
2
States / cities
Costa Mesa, California • Gastonia, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 18, 2008 · Synced May 22, 2026, 3:53 AM EDT
Completed Phase 3 Interventional
View directory record Official record
Conditions
Schizophrenia
Interventions
Quetiapine, Risperidone, Fluphenazine
Drug
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years to 65 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2004
U.S. locations
1
States / cities
Catonsville, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 18, 2019 · Synced May 22, 2026, 3:53 AM EDT
Completed Phase 4 Interventional Results available
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Apr 8, 2015 · Synced May 22, 2026, 3:53 AM EDT
Recruiting Phase 1Phase 2 Interventional
View directory record Official record
Conditions
Schizophrenia, Schizo Affective Disorder
Interventions
Acetazolamide, Placebo
Drug
Lead sponsor
Vishwajit Nimgaonkar, MD PhD
Other
Eligibility
18 Years to 55 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 6, 2026 · Synced May 22, 2026, 3:53 AM EDT
Completed Phase 4 Interventional
View directory record Official record
Conditions
Schizophrenia
Interventions
Clozapine, Olanzapine
Drug
Lead sponsor
Harvard Medical School (HMS and HSDM)
Other
Eligibility
20 Years to 60 Years
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1998 – 2002
U.S. locations
1
States / cities
Jamaica Plain, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 6, 2015 · Synced May 22, 2026, 3:53 AM EDT
Terminated Phase 1 Interventional
View directory record Official record
Conditions
Childhood Onset Psychotic Disorders, Schizophrenia, Psychosis, Mental Disorders
Interventions
Electrical Polarization
Behavioral
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
10 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2015
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 11, 2019 · Synced May 22, 2026, 3:53 AM EDT
Recruiting Phase 2Phase 3 Interventional
View directory record Official record
Conditions
Refractory Schizophrenia
Interventions
NaBen®, Placebo
Drug · Other
Lead sponsor
SyneuRx International (Taiwan) Corp
Industry
Eligibility
18 Years to 55 Years
Enrollment
287 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2026
U.S. locations
1
States / cities
Pasadena, California
Source: ClinicalTrials.gov public record
Updated Sep 12, 2021 · Synced May 22, 2026, 3:53 AM EDT
Terminated Not applicable Interventional Results available
View directory record Official record
Conditions
Schizophrenia
Interventions
1 Hz rTMS, 10 Hz rTMS
Device
Lead sponsor
Seton Healthcare Family
Other
Eligibility
18 Years to 80 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2018
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Apr 11, 2021 · Synced May 22, 2026, 3:53 AM EDT