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Completed Phase 3 Interventional Results available

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

ClinicalTrials.gov ID: NCT03870880

Public ClinicalTrials.gov record NCT03870880. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Nov 1, 2026, 7:21 AM EST

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

Multicenter, Randomized, Double-Blind, Placebo-Controlled Study to Evaluate the Efficacy and Safety of Intramuscular Injections of Risperidone ISM® in Patients With Acute Exacerbation of Schizophrenia: Open Label Extension (PRISMA-3_OLE)

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

This is the long-term open label extension (OLE) of the study PRISMA-3 (NCT03160521). Those patients who complete participation in the main segment of the study (double blind) together with other clinically stable not previously enrolled (de novo patients) may opt to participate in this extension segment, where they will receive active Risperidone ISM® (75 mg or 100 mg)under open-label conditions every four weeks for approximately 12 months.

Study identification

NCT ID
NCT03870880
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Enrollment
215 participants

Conditions and interventions

Eligibility (public fields only)

Age range
18 Years to 65 Years
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Aug 25, 2017 (Actual)
Primary completion
Jan 8, 2020 (Actual)
Completion
Jan 8, 2020 (Actual)
Last update posted
Mar 25, 2022

2017 – 2020

United States locations

U.S. sites
13
U.S. states
8
U.S. cities
13
Facility City State ZIP Site status
Woodland Research Northwest Rogers Arkansas 72758 —
Collaborative Neuroscience Network, LLC. Garden Grove California 92845 —
Apostle Clinical Trials Inc. Long Beach California 90813 —
NRC Research Institute Orange California 92868 —
CNRI-Los Angeles LLC Pico Rivera California 90660 —
CNRI-San Diego San Diego California 92112 —
Galiz Research Hialeah Florida 33016 —
Innovative Clinical Research Inc. Hollywood Florida 33021 —
CBH Health LLC Gaithersburg Maryland 20877 —
Altea Research Institute Las Vegas Nevada 89102 —
Hassman Research Institute Berlin New Jersey 08009 —
Midwest Clinical Research Center Dayton Ohio 45417 —
InSite Clinical Research DeSoto Texas 75115 —

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 11 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT03870880, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Mar 25, 2022 · Synced Nov 1, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT03870880 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →