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Showing 1–24 of 27 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: long-acting injectable risperidone Clear all
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 23, 2026, 6:03 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 23, 2026, 6:03 PM EDT
Completed Phase 3 Interventional Results available

Long-Acting Injectable Risperidone in the Treatment of Schizophrenia

NCT00132314
View directory record Official record
Conditions
Schizoaffective Disorder, Schizophrenia
Interventions
IM risperidone, oral antipsychotic medication
Drug
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years and older
Enrollment
382 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
19
States / cities
Tuscaloosa, Alabama • Long Beach, California • Palo Alto, California + 16 more
Source: ClinicalTrials.gov public record
Updated Dec 19, 2013 · Synced Sep 23, 2026, 6:03 PM EDT
Completed Phase 3 Interventional Results available

Comparison of Paliperidone Palmitate and RISPERDAL CONSTA in Patients With Schizophrenia

NCT00589914
View directory record Official record
Conditions
Schizophrenia
Interventions
RISPERDAL CONSTA, Paliperidone palmitate
Drug
Lead sponsor
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
Industry
Eligibility
18 Years and older
Enrollment
1,221 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
15
States / cities
Birmingham, Alabama • Little Rock, Arkansas • Cerritos, California + 12 more
Source: ClinicalTrials.gov public record
Updated Jun 23, 2014 · Synced Sep 23, 2026, 6:03 PM EDT
Completed Phase 4 Interventional Results available

Does Risperidone Consta Reduce Relapse and Rehospitalization in Bipolar Disorder?

NCT00571688
View directory record Official record
Conditions
Bipolar Disorder
Interventions
Risperdal (risperidone) Consta, Treatment as usual
Drug
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 60 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jul 30, 2017 · Synced Sep 23, 2026, 6:03 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 23, 2026, 6:03 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Oral Versus Injectable Risperidone for Treating First-Episode Schizophrenia

NCT00330551
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Feb 28, 2023 · Synced Sep 23, 2026, 6:03 PM EDT
Completed Phase 4 Interventional Results available

Safety, Tolerability, Pharmacokinetics and Efficacy of 180 mg Subcutaneous Risperidone From 6 mg Oral Risperidone

NCT03978832
View directory record Official record
Conditions
Schizophrenia
Interventions
PERSERIS, Risperidone
Drug
Lead sponsor
Indivior Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
69 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Garden Grove, California
Source: ClinicalTrials.gov public record
Updated Jul 6, 2021 · Synced Sep 23, 2026, 6:03 PM EDT
Terminated Phase 4 Interventional Results available

Optimizing Response in Psychosis Study

NCT00314327
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated May 15, 2018 · Synced Sep 23, 2026, 6:03 PM EDT
Completed Phase 4 Interventional Results available

High Dose Risperidone Consta for Patients With Schizophrenia With Poor Response to Risperidone

NCT00539071
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
long-acting injectable risperidone, long acting injectable risperidone, Conventional Dose Group, long acting injectable risperidone, High Dose Group
Drug
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 65 Years
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Sep 30, 2025 · Synced Sep 23, 2026, 6:03 PM EDT
Completed Phase 3 Interventional Results available

A Study of the Safety and Efficacy of Injectable Risperidone in the Prevention of Bipolar Mood Episodes

NCT00132678
View directory record Official record
Conditions
Bipolar Disorder
Interventions
Risperdal Consta, Placebo
Drug
Lead sponsor
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
Industry
Eligibility
18 Years to 65 Years
Enrollment
559 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
14
States / cities
Little Rock, Arkansas • La Mesa, California • National City, California + 11 more
Source: ClinicalTrials.gov public record
Updated Jul 28, 2013 · Synced Sep 23, 2026, 6:03 PM EDT
Completed Phase 3 Interventional Results available

Long Term Study of RBP 7000 in the Treatment of Subjects With Schizophrenia

NCT02203838
View directory record Official record
Conditions
Schizophrenia
Interventions
RBP-7000
Drug
Lead sponsor
Indivior Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
48
States / cities
Little Rock, Arkansas • Springdale, Arkansas • Cerritos, California + 41 more
Source: ClinicalTrials.gov public record
Updated Sep 27, 2018 · Synced Sep 23, 2026, 6:03 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Oral Risperidone Versus Injectable Paliperidone Palmitate for Treating First-Episode Schizophrenia

NCT01451736
View directory record Official record
Conditions
Schizophrenia (Recent-onset)
Interventions
paliperidone palmitate, risperidone
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 45 Years
Enrollment
146 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2021
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Apr 10, 2022 · Synced Sep 23, 2026, 6:03 PM EDT
Completed Phase 1 Interventional

Comparative Bioavailability of Risperidone

NCT03527186
View directory record Official record
Conditions
Schizophrenia
Interventions
Risperidone ISM® 100 mg
Drug
Lead sponsor
Rovi Pharmaceuticals Laboratories
Industry
Eligibility
18 Years to 65 Years
Enrollment
81 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
2
States / cities
Long Beach, California • Berlin, New Jersey
Source: ClinicalTrials.gov public record
Updated Dec 15, 2021 · Synced Sep 23, 2026, 6:03 PM EDT
Completed No phase listed Observational

Observational Study in Patients With Schizophrenia Treated With Long-Acting Risperidone Injection (RISPERDAL CONSTA)

NCT00246194
View directory record Official record
Conditions
Schizophrenia
Interventions
risperidone (RISPERDAL CONSTA)
Drug
Lead sponsor
Janssen, LP
Industry
Eligibility
18 Years and older
Enrollment
532 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2007
U.S. locations
1
States / cities
Rockville, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 3, 2014 · Synced Sep 23, 2026, 6:03 PM EDT
Completed No phase listed Observational

Research and Evaluation of Antipsychotic Treatment in Community Behavioral Health Organizations

NCT01181960
View directory record Official record
Conditions
Schizophrenia, Bipolar Disorder
Interventions
Risperidone long acting injectable - New Starts, Risperidone long acting injectable - Continuous Users, Paliperidone Palmitate -New and Continuous Users, Other Antipsychotics - New Starts
Drug
Lead sponsor
Janssen Scientific Affairs, LLC
Industry
Eligibility
18 Years to 64 Years
Enrollment
1,066 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
34
States / cities
Bullhead City, Arizona • Colton, California • Imperial, California + 31 more
Source: ClinicalTrials.gov public record
Updated Feb 11, 2014 · Synced Sep 23, 2026, 6:03 PM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Family Perspectives:Treatment of Psychiatric Illnesses With Atypical Long Acting Injectable Antipsychotic Medication

NCT00287027
View directory record Official record
Conditions
Psychotic Disorders
Interventions
Risperdal Long Acting Injectable Antipsychotic Medication
Drug
Lead sponsor
National Alliance on Mental Illness New Hampshire
Other
Eligibility
18 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006
U.S. locations
1
States / cities
Concord, New Hampshire
Source: ClinicalTrials.gov public record
Updated Jan 4, 2007 · Synced Sep 23, 2026, 6:03 PM EDT
Completed No phase listed Observational

Observational Study of Long Acting Injectable Medications (LAIs) in Schizophrenia (OASIS)

NCT03919994
View directory record Official record
Conditions
Schizophrenia
Interventions
Not listed
Lead sponsor
Alkermes, Inc.
Industry
Eligibility
18 Years and older
Enrollment
338 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
57
States / cities
Tucson, Arizona • Costa Mesa, California • El Cajon, California + 49 more
Source: ClinicalTrials.gov public record
Updated Feb 1, 2023 · Synced Sep 23, 2026, 6:03 PM EDT
Completed Phase 1 Interventional

Characterization of Intramuscular Injections of Risperidone 4 Week Long-acting Injectable (LAI) Formulation in the Buttock of Patients With Schizophrenia

NCT00821600
View directory record Official record
Conditions
Psychotic Disorders, Schizophrenia
Interventions
risperidone IR and LAI formulation
Drug
Lead sponsor
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
Industry
Eligibility
18 Years to 55 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
3
States / cities
Cerritos, California • Santa Ana, California • Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated May 20, 2014 · Synced Sep 23, 2026, 6:03 PM EDT
Completed Phase 1 Interventional

PK, Safety, and Tolerability Study of RBP-7000 of Different Molecular Weight Polymer in Subjects With Schizophrenia

NCT02687984
View directory record Official record
Conditions
Schizophrenia
Interventions
RBP-7000
Drug
Lead sponsor
Indivior Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016
U.S. locations
2
States / cities
Garden Grove, California • Torrance, California
Source: ClinicalTrials.gov public record
Updated Jan 30, 2017 · Synced Sep 23, 2026, 6:03 PM EDT
Not yet recruiting Not applicable Interventional

Evaluating the Impact of Ketogenic Therapy on Symptom Severity and Metabolic Side Effect Profile Among Individuals Living With Bipolar Disorder in A Rural Southern Catchment Area

NCT07570875
View directory record Official record
Conditions
Bipolar Disorder
Interventions
Ketogenic foodstuffs, Standard of Care Oral antipsychotics, Standard of care long acting injectable medication for bipolar disorder
Dietary Supplement · Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Montgomery, Alabama
Source: ClinicalTrials.gov public record
Updated Sep 20, 2026 · Synced Sep 23, 2026, 6:03 PM EDT
Completed Phase 4 Interventional Results available

Risperidone Long-acting Versus Oral Risperidone in Patients With Schizophrenia and Alcohol Use Disorder

NCT00130923
View directory record Official record
Conditions
Schizophrenia, Psychotic Disorders, Substance Abuse, Alcohol Abuse
Interventions
Risperidone Long Acting, oral risperidone
Drug
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
18 Years to 65 Years
Enrollment
95 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2010
U.S. locations
8
States / cities
Miami, Florida • Kansas City, Missouri • St Louis, Missouri + 5 more
Source: ClinicalTrials.gov public record
Updated May 8, 2019 · Synced Sep 23, 2026, 6:03 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

A Study to Compare Disease Progression and Modification Following Treatment With Paliperidone Palmitate Long-Acting Injection or Oral Antipsychotics in Participant's With Recent-onset Schizophrenia or Schizophreniform

NCT02431702
View directory record Official record
Conditions
Schizophrenia, Psychotic Disorders
Interventions
Aripiprazole, Haloperidol, Olanzapine, Oral Paliperidone ER, Perphenazine, Quetiapine, Oral Risperidone, Paliperidone Palmitate Injection (PP1M), Paliperidone Palmitate Injection (PP3M)
Drug
Lead sponsor
Janssen Scientific Affairs, LLC
Industry
Eligibility
18 Years to 35 Years
Enrollment
337 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2019
U.S. locations
34
States / cities
Little Rock, Arkansas • Garden Grove, California • Lemon Grove, California + 31 more
Source: ClinicalTrials.gov public record
Updated Apr 28, 2025 · Synced Sep 23, 2026, 6:03 PM EDT
Completed Phase 2 Interventional

A Trial of Long-Acting Injectable Risperidone in the Treatment of Methamphetamine Dependence

NCT00284206
View directory record Official record
Conditions
Methamphetamine Dependence
Interventions
long-acting injectable risperidone
Drug
Lead sponsor
Seattle Institute for Biomedical and Clinical Research
Other
Eligibility
18 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jan 10, 2008 · Synced Sep 23, 2026, 6:03 PM EDT