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ClinicalTrials.gov public records Last synced Sep 9, 2026, 8:14 PM EDT

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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
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
Conditions
Opioid Abuse, Unspecified, Opioid Dependence
Interventions
Oxycodone/Placebo, Oxycodone/Risperidone, Oxycodone/Ziprasidone
Drug
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
21 Years to 65 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
San Antonio, Texas
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
Conditions
Schizophrenia
Interventions
paliperidone palmitate, oral risperidone
Drug
Lead sponsor
Ortho-McNeil Janssen Scientific Affairs, LLC
Industry
Eligibility
18 Years to 35 Years
Enrollment
163 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
23
States / cities
Little Rock, Arkansas • Garden Grove, California • San Diego, California + 20 more
Terminated Phase 4 Interventional Results available

Optimizing Response in Psychosis Study

NCT00314327
Conditions
Schizophrenia, Schizoaffective Disorder, Schizophreniform Disorder, Psychotic Disorder Not Otherwise Specified
Interventions
long-acting injectable risperidone
Drug
Lead sponsor
Northwell Health
Other
Eligibility
15 Years to 40 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2013
U.S. locations
2
States / cities
Brooklyn, New York • Glen Oaks, New York
Recruiting No phase listed Observational Accepts healthy volunteers

National Pregnancy Registry for Psychiatric Medications

NCT01246765
Conditions
Pregnant Women, Psychotropic Drugs
Interventions
Not listed
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
5,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2033
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Schizophrenia
Interventions
Placebo, Cariprazine, Risperidone
Drug
Lead sponsor
Forest Laboratories
Industry
Eligibility
18 Years to 60 Years
Enrollment
732 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
18
States / cities
Costa Mesa, California • Long Beach, California • Oceanside, California + 14 more
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
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
Risperidone, Olanzapine, Quetiapine, Aripiprazole
Drug
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years to 65 Years
Enrollment
215 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
28
States / cities
Colton, California • Palo Alto, California • New Haven, Connecticut + 25 more
Completed Phase 4 Interventional Results available

Clozapine for Cannabis Use in Schizophrenia

NCT01639872
Conditions
Schizophrenia, Cannabis Abuse, Cannabis Dependence, Dual Diagnosis
Interventions
Clozapine, Risperidone
Drug
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
18 Years to 55 Years
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
9
States / cities
Garden Grove, California • Oakland, California • Miami, Florida + 6 more
Conditions
Healthy
Interventions
Risperidone
Drug
Lead sponsor
Ranbaxy Laboratories Limited
Industry
Eligibility
18 Years and older
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Conditions
Oppositional Defiant Disorder, Conduct Disorder, Attention Deficit/Hyperactivity Disorder (ADHD), Intermittent Explosive Disorder, Impulse-Control Disorders, Adjustment Disorder, Bipolar Disorder, Pervasive Developmental Disorder
Interventions
Risperdal
Drug
Lead sponsor
Ohio State University
Other
Eligibility
4 Years to 14 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2005
U.S. locations
1
States / cities
Columbus, Ohio
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
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
ZX003 (Risperidone-SABER®), Risperdal Consta, Oral Risperidone
Drug
Lead sponsor
Zogenix, Inc.
Industry
Eligibility
18 Years to 60 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015
U.S. locations
1
States / cities
Long Beach, California
Conditions
Schizophrenia
Interventions
Risperidone, Paliperidone
Drug
Lead sponsor
University of California, Irvine
Other
Eligibility
18 Years to 60 Years
Enrollment
96 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Irvine, California
Conditions
Asperger's Disorder
Interventions
Risperidone, Magnetic Resonance Spectroscopy
Drug · Other
Lead sponsor
Augusta University
Other
Eligibility
6 Years and older
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2007
U.S. locations
1
States / cities
Augusta, Georgia
Conditions
Schizophrenia
Interventions
Antipsychotic/Risperidone Consta
Drug
Lead sponsor
Duke University
Other
Eligibility
18 Years to 40 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2006
U.S. locations
2
States / cities
Butner, North Carolina • Durham, North Carolina
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
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
Conditions
Schizophrenia
Interventions
Risperidone, Olanzapine
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 60 Years
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2007
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
LYN-005, Risperidone
Drug
Lead sponsor
Lyndra Inc.
Industry
Eligibility
18 Years to 64 Years
Enrollment
83 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
5
States / cities
Garden Grove, California • Atlanta, Georgia • Chicago, Illinois + 2 more
Conditions
Bipolar Disorder
Interventions
Divalproex Sodium, risperidone
Drug
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
10 Years to 20 Years
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2008
U.S. locations
3
States / cities
Chicago, Illinois
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