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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Oral antipsychotics Clear all
Completed Phase 4 Interventional Results available

Switching to Iloperidone From Other Antipsychotics in Schizophrenia

NCT01207414
View directory record Official record
Conditions
Schizophrenia
Interventions
iloperidone
Drug
Lead sponsor
Novartis
Industry
Eligibility
18 Years to 64 Years
Enrollment
501 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
59
States / cities
Birmingham, Alabama • Cerritos, California • Costa Mesa, California + 46 more
Source: ClinicalTrials.gov public record
Updated Mar 14, 2013 · Synced Sep 27, 2026, 2:32 AM EDT
Completed Phase 3 Interventional Results available

Monotherapy Brexpiprazole (OPC-34712) Trial in the Treatment of Adults With Schizophrenia With Impulsivity

NCT02194933
View directory record Official record
Conditions
Schizophrenia With Impulsivity
Interventions
Brexpiprazole
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Orange, California
Source: ClinicalTrials.gov public record
Updated Nov 7, 2018 · Synced Sep 27, 2026, 2:32 AM EDT
Completed Phase 2 Interventional Results available

A Study to Assess the Safety, Efficacy, and Pharmacokinetics of Miricorilant (CORT118335) in Obese Adults With Schizophrenia or Bipolar Disorder Treated With Antipsychotic Medications

NCT03818256
View directory record Official record
Conditions
Antipsychotic-induced Weight Gain (AIWG)
Interventions
Miricorilant, Placebo
Drug
Lead sponsor
Corcept Therapeutics
Industry
Eligibility
18 Years to 65 Years
Enrollment
71 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
27
States / cities
Bentonville, Arkansas • Little Rock, Arkansas • Culver City, California + 23 more
Source: ClinicalTrials.gov public record
Updated Sep 18, 2024 · Synced Sep 27, 2026, 2:32 AM EDT
Terminated Phase 4 Interventional Results available

Best Event Schizophrenia Trial--A Randomized Double-Blind Trial of Aripiprazole and Risperidone in Schizophrenia

NCT00712270
View directory record Official record
Conditions
Schizophrenia
Interventions
Aripiprazole, Risperidone
Drug
Lead sponsor
Kettering Health Network
Other
Eligibility
18 Years to 55 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2010
U.S. locations
1
States / cities
Kettering, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 27, 2020 · Synced Sep 27, 2026, 2:32 AM EDT
Completed Phase 2 Interventional Results available

A Study of Tolerability and Efficacy of Cannabidiol on Tremor in Parkinson's Disease

NCT02818777
View directory record Official record
Conditions
Parkinson's Disease
Interventions
cannabidiol
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
40 Years to 80 Years
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Feb 18, 2019 · Synced Sep 27, 2026, 2:32 AM EDT
Terminated Phase 2 Interventional Results available

Trial to Investigate the Safety and Efficacy of GWP42003-P Versus Placebo as Adjunctive Therapy in Participants With Schizophrenia Experiencing Inadequate Response to Ongoing Antipsychotic Treatment

NCT04421456
View directory record Official record
Conditions
Schizophrenia
Interventions
GWP42003-P, Placebo
Drug
Lead sponsor
Jazz Pharmaceuticals
Industry
Eligibility
18 Years to 55 Years
Enrollment
95 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
19
States / cities
Bentonville, Arkansas • Little Rock, Arkansas • Garden Grove, California + 16 more
Source: ClinicalTrials.gov public record
Updated Jun 14, 2023 · Synced Sep 27, 2026, 2:32 AM EDT
Completed Phase 1 Interventional

A Clinical Study That Will Assess the Effect of SEP-363856 or Prior Antipsychotic (PA) Standard of Care on Body-weight Associated Parameters in Subjects With Schizophrenia

NCT05542264
View directory record Official record
Conditions
Schizophrenia
Interventions
SEP-363856, Prior antipsychotic (risperidone, olanzapine, quetiapine or aripiprazole)
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
4
States / cities
Little Rock, Arkansas • Rogers, Arkansas • Dayton, Ohio + 1 more
Source: ClinicalTrials.gov public record
Updated Jun 25, 2024 · Synced Sep 27, 2026, 2:32 AM EDT
Completed Phase 3 Interventional Results available

Treatment of Overweight Induced by Antipsychotic Medication in Young People With Autism Spectrum Disorders (ASD)

NCT01825798
View directory record Official record
Conditions
Overweight, Autism Spectrum Disorder
Interventions
Metformin, Placebo
Drug
Lead sponsor
Holland Bloorview Kids Rehabilitation Hospital
Other
Eligibility
6 Years to 17 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
3
States / cities
Columbus, Ohio • Pittsburgh, Pennsylvania • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jul 15, 2025 · Synced Sep 27, 2026, 2:32 AM EDT
Terminated Phase 4 Interventional Results available

A Trial to Measure the Difference in All-cause Hospitalizations for Participants Who Are Using Abilify MyCite Versus Virtual Matched Controls in Adults With Schizophrenia, Bipolar 1 Disorder, and Major Depressive Disorder

NCT03643159
View directory record Official record
Conditions
Schizophrenia, Bipolar 1 Disorder, Major Depressive Disorder
Interventions
Abilify MyCite - Digital Medicine System, Aripiprazole or other oral antipsychotics
Combination Product · Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years to 63 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
5
States / cities
Santa Rosa, California • Decatur, Georgia • Smyrna, Georgia + 2 more
Source: ClinicalTrials.gov public record
Updated Nov 7, 2019 · Synced Sep 27, 2026, 2:32 AM EDT
Completed Phase 4 Interventional Results available

Efficacy and Tolerability of Switching to Ziprasidone From Other Antipsychotics

NCT00458211
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
ziprasidone
Drug
Lead sponsor
Bronx Psychiatric Center
Government
Eligibility
18 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
2
States / cities
Buffalo, New York • The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Apr 30, 2020 · Synced Sep 27, 2026, 2:32 AM EDT
Completed Not applicable Interventional Results available

Naltrexone for Antipsychotic-Induced Weight Gain

NCT01866098
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder, Schizophreniform Disorder, Bipolar Disorder, Severe Major Depression With Psychotic Features
Interventions
Naltrexone, Placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 75 Years
Enrollment
144 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2019
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Sep 30, 2021 · Synced Sep 27, 2026, 2:32 AM EDT
Recruiting Phase 2 Interventional

Pimavanserin for Rigid-compulsive Symptoms in Autism Spectrum Disorder

NCT05999240
View directory record Official record
Conditions
Autism Spectrum Disorder
Interventions
Pimavanserin Tartrate 34 Mg ORAL CAPSULE [NUPLAZID], Placebo
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
12 Years to 40 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
2
States / cities
Lawrence, Kansas • White Plains, New York
Source: ClinicalTrials.gov public record
Updated Sep 1, 2026 · Synced Sep 27, 2026, 2:32 AM EDT
Completed No phase listed Observational

Family Intervention in Recent Onset Schizophrenia Treatment (FIRST)

NCT02600741
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jan 22, 2019 · Synced Sep 27, 2026, 2:32 AM EDT
Terminated Phase 2 Interventional

Efficacy and Safety of AVE1625 as a Co-treatment With Antipsychotic Therapy in Schizophrenia

NCT00439634
View directory record Official record
Conditions
Schizophrenia
Interventions
AVE1625, placebo
Drug
Lead sponsor
Sanofi
Industry
Eligibility
18 Years to 65 Years
Enrollment
873 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Bridgewater, New Jersey
Source: ClinicalTrials.gov public record
Updated May 17, 2016 · Synced Sep 27, 2026, 2:32 AM EDT
Completed Phase 2 Interventional Results available

A Study to Assess the Safety and Efficacy of ASP4345 as Add-on Treatment for Cognitive Impairment in Subjects With Schizophrenia on Stable Doses of Antipsychotic Medication

NCT03557931
View directory record Official record
Conditions
Schizophrenia
Interventions
ASP4345, placebo, risperidone, quetiapine, olanzapine, ziprasidone, aripiprazole, brexpiprazole, paliperidone, lurasidone
Drug
Lead sponsor
Astellas Pharma Global Development, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
233 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
27
States / cities
Cerritos, California • Garden Grove, California • Lemon Grove, California + 19 more
Source: ClinicalTrials.gov public record
Updated Nov 11, 2024 · Synced Sep 27, 2026, 2:32 AM EDT
Completed Phase 2 Interventional Results available

A Study to Evaluate the Effects of Basmisanil in Participants With Cognitive Impairment Associated With Schizophrenia (CIAS) Treated With Antipsychotics

NCT02953639
View directory record Official record
Conditions
Schizophrenia
Interventions
Basmisanil, Placebo
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years to 50 Years
Enrollment
214 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
37
States / cities
Little Rock, Arkansas • Rogers, Arkansas • Culver City, California + 32 more
Source: ClinicalTrials.gov public record
Updated Feb 8, 2021 · Synced Sep 27, 2026, 2:32 AM EDT
Completed Phase 4 Interventional Results available

Efficacy Study of Early Onset of Antipsychotic Drug Action in Schizophrenia

NCT00337662
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder, Schizophreniform Disorder
Interventions
olanzapine, risperidone
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years to 65 Years
Enrollment
628 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
31
States / cities
Little Rock, Arkansas • Escondido, California • Garden Grove, California + 28 more
Source: ClinicalTrials.gov public record
Updated Feb 16, 2010 · Synced Sep 27, 2026, 2:32 AM EDT
Recruiting No phase listed Observational

Maternal And Infant Antipsychotic Study

NCT06049953
View directory record Official record
Conditions
Antipsychotics, Pregnancy
Interventions
Antipsychotics, Non-antipsychotic medication, No Medication
Drug · Other
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older · Female only
Enrollment
74 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 21, 2026 · Synced Sep 27, 2026, 2:32 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Psychosocial Therapy and Risperidone Treatment in Work Performance in Recent-Onset Schizophrenia

NCT00333177
View directory record Official record
Conditions
Schizophrenia
Interventions
Cognitive remediation training (CT), Healthy behavior training (HBT), Risperidone, administered orally (Oral Ris), Risperidone, administered via injection (RLAI)
Behavioral · Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 45 Years
Enrollment
92 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2013
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 25, 2020 · Synced Sep 27, 2026, 2:32 AM EDT
Completed Phase 2 Interventional Results available

Efficacy and Tolerability Study of Betahistine to Ameliorate Antipsychotic Associated Weight Gain

NCT00709202
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder, Schizophreniform Disorder, Bipolar I Disorder, Bipolar II, Bipolar NOS(Not Otherwise Specified), Psychotic Disorder Not Otherwise Specified, Autism Spectrum Disorder
Interventions
Betahistine, Placebo Oral Tablet
Drug
Lead sponsor
Nathan Kline Institute for Psychiatric Research
Other
Eligibility
18 Years to 59 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2016
U.S. locations
1
States / cities
Orangeburg, New York
Source: ClinicalTrials.gov public record
Updated Jan 24, 2019 · Synced Sep 27, 2026, 2:32 AM EDT
Completed Phase 4 Interventional

Linagliptin and Mesenchymal Stem Cells: A Pilot Study

NCT02442817
View directory record Official record
Conditions
Schizophrenia
Interventions
Linagliptin
Drug
Lead sponsor
University of Nevada, Reno
Other
Eligibility
18 Years to 45 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Reno, Nevada
Source: ClinicalTrials.gov public record
Updated Nov 8, 2020 · Synced Sep 27, 2026, 2:32 AM EDT
Recruiting Phase 4 Interventional

Deutetrabenazine Treatment for Tardive Dyskinesia in Intellectual/Developmental Disabilities

NCT06997198
View directory record Official record
Conditions
Tardive Dyskinesia, Intellectual Disability, Developmental Disabilities
Interventions
Deutetrabenazine Oral Capsule
Drug
Lead sponsor
University Hospitals Cleveland Medical Center
Other
Eligibility
18 Years to 89 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 5, 2026 · Synced Sep 27, 2026, 2:32 AM EDT
Active, not recruiting Phase 2 Interventional Accepts healthy volunteers

Study of ABX-002 for the Adjunctive Treatment of Depressive Episodes Associated With Bipolar Disorder in Adults

NCT06869187
View directory record Official record
Conditions
Bipolar Disorder Depression
Interventions
ABX-002
Drug
Lead sponsor
Autobahn Therapeutics, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
14
States / cities
Walnut Creek, California • Cromwell, Connecticut • Hartford, Connecticut + 10 more
Source: ClinicalTrials.gov public record
Updated May 25, 2026 · Synced Sep 27, 2026, 2:32 AM EDT
Completed Phase 2 Interventional Results available

A Safety Study Comparing LY2140023 to Atypical Antipsychotic Standard Treatment in Schizophrenic Patients

NCT00845026
View directory record Official record
Conditions
Schizophrenia
Interventions
LY2140023, aripiprazole, olanzapine, risperidone
Drug
Lead sponsor
Denovo Biopharma LLC
Industry
Eligibility
18 Years to 65 Years
Enrollment
261 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
11
States / cities
Escondido, California • Garden Grove, California • Washington D.C., District of Columbia + 8 more
Source: ClinicalTrials.gov public record
Updated Nov 7, 2022 · Synced Sep 27, 2026, 2:32 AM EDT