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ClinicalTrials.gov public records Last synced Oct 8, 2026, 1:08 AM EDT

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Showing 25–48 of 77 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Schizophrenia or Schizoaffective Disorder Clear all
Completed Phase 1 Interventional

An Randomized Open-Label PK Study of LY03004 Compared to Risperdal® Consta® in Stable Patients With Schizophrenia or Schizoaffective Disorder

NCT02186769
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
Risperdal® Consta®, LY03004
Drug
Lead sponsor
Luye Pharma Group Ltd.
Industry
Eligibility
18 Years to 65 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
2
States / cities
Orange County, California • Austin, Texas
Source: ClinicalTrials.gov public record
Updated Jun 18, 2015 · Synced Oct 8, 2026, 1:08 AM EDT
Completed Phase 1 Interventional Results available

Trial to Evaluate the Effects of OPC-34712 on QT/QTc in Subjects With Schizophrenia or Schizoaffective Disorder

NCT01423916
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
OPC-34712 (4mg), Moxifloxacin, OPC-34712 (12mg), Placebo
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
218 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
8
States / cities
Long Beach, California • San Diego, California • Fort Lauderdale, Florida + 5 more
Source: ClinicalTrials.gov public record
Updated Oct 29, 2015 · Synced Oct 8, 2026, 1:08 AM EDT
Completed Phase 4 Interventional

Aripiprazole Used as Dual Therapy in the Treatement of Patients With Chronic Stable Schizophrenia or Schizoaffective Disorder.

NCT00325689
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
Quetiapine or Risperidone + Aripiprazole, Quetiapine or Risperidone + placebo
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years and older
Enrollment
323 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
48
States / cities
Little Rock, Arkansas • Cerritos, California • Costa Mesa, California + 37 more
Source: ClinicalTrials.gov public record
Updated Nov 8, 2013 · Synced Oct 8, 2026, 1:08 AM EDT
Terminated Phase 4 Interventional Results available

Study of Amantadine for Risperidone Consta or Paliperidone Treated Patients to Decrease Prolactin Elevation

NCT00975611
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
Amantadine Hydrochloride, USP, Placebo
Drug
Lead sponsor
David C. Henderson, MD
Other
Eligibility
18 Years to 65 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 10, 2013 · Synced Oct 8, 2026, 1:08 AM EDT
Completed Phase 4 Interventional

Comparison of Continuing Olanzapine to Switching to Quetiapine in Overweight or Obese Patients With Schizophrenia and Schizoaffective Disorder

NCT00090012
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
Olanzapine, Quetiapine
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years to 75 Years
Enrollment
340 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
25
States / cities
Garden Grove, California • La Mesa, California • San Diego, California + 22 more
Source: ClinicalTrials.gov public record
Updated Nov 6, 2007 · Synced Oct 8, 2026, 1:08 AM EDT
Completed Phase 4 Interventional Results available

A Study of Varenicline for Prevention of Relapse to Smoking in Patients With Schizophrenia or Bipolar Disorder

NCT00621777
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder, Bipolar Disorder, Smoking
Interventions
Varenicline, Placebo
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 70 Years
Enrollment
247 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2013
U.S. locations
10
States / cities
Birmingham, Alabama • Bloomington, Indiana • Boston, Massachusetts + 6 more
Source: ClinicalTrials.gov public record
Updated Dec 21, 2017 · Synced Oct 8, 2026, 1:08 AM EDT
Completed Phase 4 Interventional

Equivalence of Generic Clozapine to Orally Dissolving Clozapine in Schizophrenia or Schizoaffective Disorder

NCT00501618
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
Fazaclo
Drug
Lead sponsor
Manhattan Psychiatric Center
Other
Eligibility
18 Years to 59 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
2
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 15, 2015 · Synced Oct 8, 2026, 1:08 AM EDT
Completed Phase 3 Interventional Results available

Smoking Cessation Study for Patients With Schizophrenia or Schizoaffective Disorder

NCT00644969
View directory record Official record
Conditions
Smoking Cessation
Interventions
placebo, varenicline (CP-526,555)
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 75 Years
Enrollment
128 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
9
States / cities
Aurora, Colorado • Farmington, Connecticut • New Haven, Connecticut + 6 more
Source: ClinicalTrials.gov public record
Updated Apr 15, 2011 · Synced Oct 8, 2026, 1:08 AM EDT
Completed Phase 4 Interventional Results available

Effects of Armodafinil on Cognition for Patients With Schizophrenia or Schizoaffective Disorder

NCT00373672
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
armodafinil (Nuvigil), placebo
Drug
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 65 Years
Enrollment
58 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Aug 5, 2025 · Synced Oct 8, 2026, 1:08 AM EDT
Completed Phase 1 Interventional

A Drug Interaction Study of Valproic Acid and Paliperidone Extended-Release (ER) in Patients With Schizophrenia, Bipolar I Disorder, or Schizoaffective Disorder

NCT01094249
View directory record Official record
Conditions
Schizophrenia, Bipolar Disorder, Psychotic Disorders
Interventions
divalproex sodium ER/paliperidone ER
Drug
Lead sponsor
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
Industry
Eligibility
18 Years to 65 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009
U.S. locations
3
States / cities
Kissimmee, Florida • Austin, Texas • Portsmount, Virginia
Source: ClinicalTrials.gov public record
Updated Apr 8, 2014 · Synced Oct 8, 2026, 1:08 AM EDT
Completed Phase 3 Interventional Results available

Lurasidone HCl - A Long Term Safety Phase 3 Study of Patients With Clinically Stable Schizophrenia

NCT00641745
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
Lurasidone HCl, Risperidone
Drug
Lead sponsor
Sumitomo Pharma America, Inc.
Industry
Eligibility
18 Years to 75 Years
Enrollment
629 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
41
States / cities
Little Rock, Arkansas • Anaheim, California • Cerritos, California + 34 more
Source: ClinicalTrials.gov public record
Updated Jun 22, 2015 · Synced Oct 8, 2026, 1:08 AM EDT
Completed Phase 4 Interventional Results available

Does The Addition Of Divalproex Sodium ER To An Atypical Antipsychotic Drug (APD) Improve Cognition And Psychopathology In Outpatients With Schizophrenia (SCH) Or Schizoaffective Disorder (SAD)?

NCT00306475
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
Divalproex Sodium Extended-Release Tablets, placebo
Drug
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jun 27, 2025 · Synced Oct 8, 2026, 1:08 AM EDT
Completed Phase 1 Interventional

A Safety and PK Study of Injectable Risperidone-SABER and the DosePro Delivery System in Patients With Schizophrenia

NCT01592110
View directory record Official record
Conditions
Schizophrenia
Interventions
Risperidone-SABER, ZX003:risperidone-SABER and the DosePro System
Drug · Other
Lead sponsor
Zogenix, Inc.
Industry
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Glendale, California
Source: ClinicalTrials.gov public record
Updated Nov 10, 2022 · Synced Oct 8, 2026, 1:08 AM EDT
Not yet recruiting Not applicable Interventional

Frontal Gamma Coherence Neurofeedback for Patients With Schizophrenia

NCT07659938
View directory record Official record
Conditions
Schizophrenia, Schizoaffective
Interventions
Frontal gamma coherence neurofeedback, Placebo Neurofeedback
Device
Lead sponsor
BioSignal Solutions LLC
Industry
Eligibility
18 Years to 55 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027 – 2028
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Sep 24, 2026 · Synced Oct 8, 2026, 1:08 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Abilify Therapy for Reducing Comorbid Substance Abuse

NCT00208169
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder, Bipolar Disorder, Major Depressive Disorder, Anxiety Disorders, Substance Abuse
Interventions
Aripiprazole
Drug
Lead sponsor
Creighton University
Other
Eligibility
19 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2007
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Aug 24, 2007 · Synced Oct 8, 2026, 1:08 AM EDT
Completed Not applicable Interventional Results available

Melatonin Metabolism Abnormality in Patients With Schizophrenia or Schizoaffective Disorder Treated With Olanzapine

NCT00512070
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder, Bipolar Disorder, Obesity, Metabolic Syndrome
Interventions
olanzapine and melatonin
Drug
Lead sponsor
Seattle Institute for Biomedical and Clinical Research
Other
Eligibility
18 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2024
U.S. locations
1
States / cities
Tacoma, Washington
Source: ClinicalTrials.gov public record
Updated Jan 1, 2025 · Synced Oct 8, 2026, 1:08 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 23, 2019 · Synced Oct 8, 2026, 1:08 AM EDT
Not listed Phase 4 Interventional

Evaluating Sublingual Dexmedetomidine For Moderate To Severe Agitation In Inpatients With Schizophrenia Or Bipolar Disorder

NCT06093451
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Oct 23, 2023 · Synced Oct 8, 2026, 1:08 AM EDT
Completed Phase 2 Interventional Results available

NBI-98854 for the Treatment of Tardive Dyskinesia in Subjects With Schizophrenia or Schizoaffective Disorder

NCT01393600
View directory record Official record
Conditions
Tardive Dyskinesia
Interventions
NBI-98854, Placebo
Drug
Lead sponsor
Neurocrine Biosciences
Industry
Eligibility
18 Years to 65 Years
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
11
States / cities
Little Rock, Arkansas • National City, California • San Diego, California + 6 more
Source: ClinicalTrials.gov public record
Updated Aug 10, 2017 · Synced Oct 8, 2026, 1:08 AM EDT
Completed Phase 1 Interventional

The Bioequivalence Of Two Different Lurasidone Formulations In Patients

NCT01082250
View directory record Official record
Conditions
Schizophrenia
Interventions
Lurasidone HCl
Drug
Lead sponsor
Sumitomo Pharma America, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008
U.S. locations
1
States / cities
Glendale, California
Source: ClinicalTrials.gov public record
Updated Sep 8, 2011 · Synced Oct 8, 2026, 1:08 AM EDT
Completed Phase 1 Interventional

Digoxin Drug-Drug Interaction With Lurasidone HCl

NCT01082289
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Sep 8, 2011 · Synced Oct 8, 2026, 1:08 AM EDT
Completed Phase 4 Interventional Results available

Exenatide for the Treatment of Weight Gain Associated With Olanzapine in Obese Adults

NCT00845507
View directory record Official record
Conditions
Weight Gain
Interventions
Exenatide, Placebo
Drug
Lead sponsor
University of Cincinnati
Other
Eligibility
18 Years to 55 Years
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2015
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 20, 2018 · Synced Oct 8, 2026, 1:08 AM EDT
Completed Not applicable Interventional Results available

Improving Diabetes Risk Factors in Persons With Schizophrenia or Bipolar Disorder by Switching to Ziprasidone

NCT00538642
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder, Bipolar Disorder
Interventions
ziprasidone
Drug
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Nov 29, 2012 · Synced Oct 8, 2026, 1:08 AM EDT
Completed Phase 2 Interventional Results available

NBI-98854 for the Treatment of Tardive Dyskinesia in Subjects With Schizophrenia or Schizoaffective Disorder (KINECT Study)

NCT01688037
View directory record Official record
Conditions
Tardive Dyskinesia
Interventions
NBI-98854, Placebo
Drug
Lead sponsor
Neurocrine Biosciences
Industry
Eligibility
18 Years to 85 Years
Enrollment
109 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
49
States / cities
Little Rock, Arkansas • Anaheim, California • Carson, California + 41 more
Source: ClinicalTrials.gov public record
Updated Nov 8, 2017 · Synced Oct 8, 2026, 1:08 AM EDT