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Showing 1–24 of 259 matching trials from the live ClinicalTrials.gov search.
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Completed Phase 3 Interventional

New Antipsychotic Strategies: Quetiapine and Risperidone vs. Fluphenazine in Treatment Resistant Schizophrenia

NCT00161018
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 Sep 1, 2026, 7:52 PM EDT
Completed Phase 1 Interventional

Comparative Bioavailability of Risperidone.

NCT05179525
View directory record Official record
Conditions
Schizophrenia
Interventions
Risperidone ISM® 100 mg, Risperdal 4mg Tablet
Drug
Lead sponsor
Rovi Pharmaceuticals Laboratories
Industry
Eligibility
18 Years to 65 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
4
States / cities
Garden Grove, California • Gaithersburg, Maryland • Berlin, New Jersey + 1 more
Source: ClinicalTrials.gov public record
Updated Jan 4, 2022 · Synced Sep 1, 2026, 7:52 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Effective Measurement of Risperidone Treatment Outcome for Persons With Borderline Personality Disorder

NCT00204347
View directory record Official record
Conditions
Borderline Personality Disorder
Interventions
risperidone
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
19 Years and older · Female only
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2007
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Jun 9, 2021 · Synced Sep 1, 2026, 7:52 PM EDT
Completed Phase 1 Interventional

Study in Stabilized Schizophrenic Patients to Evaluate the Pharmacokinetics of Risperidone and 9-Hydroxy (OH)-Risperidone When Risperidone is Administered From a Polyurethane Implant

NCT01774435
View directory record Official record
Conditions
Schizophrenia
Interventions
EN3342
Drug
Lead sponsor
Endo USA Inc., a Keenova Therapeutics Company
Industry
Eligibility
18 Years to 60 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Marlton, New Jersey
Source: ClinicalTrials.gov public record
Updated Nov 2, 2014 · Synced Sep 1, 2026, 7:52 PM EDT
Completed Phase 4 Interventional

Risperidone Augmentation in Patients With Schizophrenia

NCT00289861
View directory record Official record
Conditions
Schizophrenia
Interventions
Risperidone, placebo
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2007
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 30, 2013 · Synced Sep 1, 2026, 7:52 PM EDT
Completed Phase 2Phase 3 Interventional

Risperidone Augmentation for PTSD

NCT00215241
View directory record Official record
Conditions
Post-Traumatic Stress Disorder
Interventions
sertraline and risperidone
Drug
Lead sponsor
Duke University
Other
Eligibility
18 Years to 65 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
2
States / cities
Atlanta, Georgia • Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Sep 21, 2014 · Synced Sep 1, 2026, 7:52 PM EDT
Completed Not applicable Interventional

RUPP PI PDD: Drug and Behavioral Therapy for Children With Pervasive Developmental Disorders

NCT00080145
View directory record Official record
Conditions
Child Development Disorders, Pervasive
Interventions
Risperidone, Behavior Therapy
Drug · Behavioral
Lead sponsor
Yale University
Other
Eligibility
4 Years to 13 Years
Enrollment
124 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2007
U.S. locations
3
States / cities
New Haven, Connecticut • Indianapolis, Indiana • Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 15, 2013 · Synced Sep 1, 2026, 7:52 PM 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 1, 2026, 7:52 PM EDT
Completed No phase listed Observational

Long-term Antipsychotic Pediatric Safety Trial

NCT03522168
View directory record Official record
Conditions
Weight, Body
Interventions
Risperidone, Aripiprazole
Drug
Lead sponsor
Duke University
Other
Eligibility
3 Years to 18 Years
Enrollment
509 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
37
States / cities
Dothan, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 32 more
Source: ClinicalTrials.gov public record
Updated Apr 6, 2026 · Synced Sep 1, 2026, 7:52 PM EDT
Completed Phase 3 Interventional

Risperidone and Suicidality in Major Depressive Disorder

NCT00167154
View directory record Official record
Conditions
Depression
Interventions
Risperidone and placebo comparator
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
19 Years to 60 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2008
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Jun 9, 2021 · Synced Sep 1, 2026, 7:52 PM EDT
Completed Phase 3 Interventional Results available

Study to Evaluate the Efficacy and Safety of Risperidone ISM® in Patients With Acute Schizophrenia: Open Label Extension

NCT03870880
View directory record Official record
Conditions
Schizophrenia
Interventions
Risperidone ISM 75 mg, Risperidone ISM 100 mg
Drug
Lead sponsor
Rovi Pharmaceuticals Laboratories
Industry
Eligibility
18 Years to 65 Years
Enrollment
215 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
13
States / cities
Rogers, Arkansas • Garden Grove, California • Long Beach, California + 10 more
Source: ClinicalTrials.gov public record
Updated Mar 24, 2022 · Synced Sep 1, 2026, 7:52 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

CYP2D6 Pharmacogenetics in Risperidone-Treated Children

NCT00783783
View directory record Official record
Conditions
Psychiatric Disorders, Neurodevelopmental Disorders
Interventions
Not listed
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
3 Years to 18 Years
Enrollment
47 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2011
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 10, 2012 · Synced Sep 1, 2026, 7:52 PM EDT
Terminated Phase 2 Interventional Results available

A Study to Assess the Clinical Utility of Antipsychotic Medication Levels in Plasma as Determined by Liquid Chromatography-Tandem Mass Spectrometry

NCT02462473
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
Aripiprazole, Olanzapine, Paliperidone, Quetiapine, Risperidone
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
18 Years to 70 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
3
States / cities
Torrance, California • Kissimmee, Florida • Conshohocken, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 28, 2017 · Synced Sep 1, 2026, 7:52 PM EDT
Completed Phase 3 Interventional Results available

Effectiveness of Tropisetron Plus Risperidone for Improving Cognitive and Perceptual Disturbances in Schizophrenia

NCT00435370
View directory record Official record
Conditions
Smoking Cessation, Schizophrenia
Interventions
Tropisetron, Placebo, Risperidone
Drug
Lead sponsor
Baylor College of Medicine
Other
Eligibility
18 Years to 64 Years
Enrollment
179 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2011
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 14, 2017 · Synced Sep 1, 2026, 7:52 PM EDT
Completed Phase 2 Interventional Results available

Study Evaluating Vabicaserin in Subjects With Schizophrenia

NCT00563706
View directory record Official record
Conditions
Schizophrenia
Interventions
vabicaserin, risperidone, placebo
Drug · Other
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 65 Years · Male only
Enrollment
199 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
32
States / cities
Little Rock, Arkansas • Cerritos, California • Escondido, California + 27 more
Source: ClinicalTrials.gov public record
Updated Mar 19, 2014 · Synced Sep 1, 2026, 7:52 PM EDT
Completed Phase 3 Interventional Results available

Randomized, Double-blind, Placebo Controlled, Multi-center and Tolerability of RBP-7000 in Schizophrenia Patients

NCT02109562
View directory record Official record
Conditions
Schizophrenia
Interventions
RBP-7000, Placebo, Risperidone
Drug
Lead sponsor
Indivior Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
354 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014
U.S. locations
32
States / cities
Little Rock, Arkansas • Springdale, Arkansas • Cerritos, California + 25 more
Source: ClinicalTrials.gov public record
Updated Oct 25, 2018 · Synced Sep 1, 2026, 7:52 PM EDT
Completed Phase 2 Interventional Results available

Risperidone and Desipramine in Alcohol Use and Schizophrenia

NCT01411085
View directory record Official record
Conditions
Schizophrenia, Alcoholism, Dual Diagnosis
Interventions
Risperidone + Desipramine
Drug
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
18 Years to 65 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
4
States / cities
Worcester, Massachusetts • Grand Rapids, Michigan • Lebanon, New Hampshire + 1 more
Source: ClinicalTrials.gov public record
Updated Mar 22, 2018 · Synced Sep 1, 2026, 7:52 PM EDT
Completed Phase 3 Interventional Results available

Study to Evaluate TV-46000 as Maintenance Treatment in Adult and Adolescent Participants With Schizophrenia

NCT03503318
View directory record Official record
Conditions
Schizophrenia
Interventions
TV-46000, Placebo
Drug
Lead sponsor
Teva Branded Pharmaceutical Products R&D, Inc.
Industry
Eligibility
13 Years to 65 Years
Enrollment
544 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
73
States / cities
Little Rock, Arkansas • Rogers, Arkansas • Anaheim, California + 58 more
Source: ClinicalTrials.gov public record
Updated Mar 9, 2023 · Synced Sep 1, 2026, 7:52 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Understanding Sleep Problems in Children With Autism Spectrum Disorder

NCT00691080
View directory record Official record
Conditions
Sleep Problems
Interventions
Not listed
Lead sponsor
Baylor College of Medicine
Other
Eligibility
4 Years to 9 Years
Enrollment
58 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2011
U.S. locations
3
States / cities
New York, New York • Portland, Oregon • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jan 12, 2016 · Synced Sep 1, 2026, 7:52 PM EDT
Completed Phase 1 Interventional

Parallel Group, Multiple Dose Pharmacokinetics Study of Five Antipsychotic Medications in Psychiatric Participants

NCT02087579
View directory record Official record
Conditions
Psychotic Disorders, Schizophrenia, Bipolar Disorder, Depressive Disorder
Interventions
Aripiprazole, oral formulation, Olanzapine, oral formulation, Paliperidone, oral formulation, Paliperidone, LAI, Quetiapine, oral formulation, Risperidone, oral formulation, Risperidone, LAI
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
18 Years to 70 Years
Enrollment
305 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014
U.S. locations
6
States / cities
Garden Grove, California • Kissimmee, Florida • Atlanta, Georgia + 3 more
Source: ClinicalTrials.gov public record
Updated Oct 28, 2015 · Synced Sep 1, 2026, 7:52 PM EDT
Completed Phase 4 Interventional Results available

A Study of the Cataractogenic Potential of Seroquel and Risperdal in the Treatment of Participants With Schizophrenia or Schizoaffective Disorder

NCT00206102
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
quetiapine fumarate, risperidone
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 65 Years
Enrollment
1,098 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2008
U.S. locations
63
States / cities
Little Rock, Arkansas • Mabelvale, Arkansas • Morrilton, Arkansas + 60 more
Source: ClinicalTrials.gov public record
Updated Jan 13, 2013 · Synced Sep 1, 2026, 7:52 PM EDT
Recruiting Phase 3 Interventional

Lumateperone for the Improvement of Apathy in Patients With Psychotic Symptoms.

NCT06482554
View directory record Official record
Conditions
Apathy, Schizophrenia, Schizophrenia; Psychosis
Interventions
Lumateperone 42 mg, Risperidone 2 mg
Drug
Lead sponsor
Louisiana State University Health Sciences Center Shreveport
Other
Eligibility
18 Years to 65 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Shreveport, Louisiana
Source: ClinicalTrials.gov public record
Updated Jun 30, 2024 · Synced Sep 1, 2026, 7:52 PM 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 1, 2026, 7:52 PM EDT
Withdrawn Phase 4 Interventional

Risperidone (Risperdal) Augmentation in Depressed Partial Responders to SRI Treatment

NCT00178854
View directory record Official record
Conditions
Treatment Resistant Depression
Interventions
Risperidone
Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years to 50 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 3, 2017 · Synced Sep 1, 2026, 7:52 PM EDT