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A Comparative Study of Paliperidone Palmitate and Risperidone Long Acting Injection (LAI) in Participants With Schizophrenia

NCT00604279 · Status: COMPLETED · Phase: PHASE3 · Type: INTERVENTIONAL · Enrollment: 452

Last updated 2013-07-10

Study results available
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Summary

The purpose of this study is to compare the efficacy of paliperidone palmitate and risperidone long acting injection (LAI) in participants with schizophrenia (psychiatric disorder with symptoms of emotional instability, detachment from reality, often with delusions and hallucinations, and withdrawal into the self) along with safety and tolerability.

Conditions

Interventions

DRUG

Paliperidone palmitate (R092670)

Paliperidone palmitate suspension for intramuscular injection at a dose of 150 milligram equivalent (mg eq.) at baseline, 100 mg eq. on Day 8, flexible dose, either 50 or 100 mg eq on Day 36 and 50, 100, or 150 mg eq.on Day 64 depending on investigator's discretion.

DRUG

Risperidone

Risperidone LAI intramuscular at a dose of 25 mg on Day 8 and Day 22; flexible dose of either 25 or 37.5 mg on Day 36 with same dose on Day 50; and either 25, 37.5, or 50 mg on Day 64 with same dose on Day 78; along with oral risperidone 2 mg tablet on Day 1, flexible doses (1-6 mg/day) for first 28 days; and 1-2 mg/day during Day 36-57 and Day 64-85 if the dose of risperidone LAI was increased on Day 36 and Day 64.

Sponsors & Collaborators

  • Xian-Janssen Pharmaceutical Ltd.

    lead INDUSTRY

Principal Investigators

  • Xian-Janssen Pharmaceutical Ltd. Clinical Trial · Xian-Janssen Pharmaceutical Ltd.

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Model
PARALLEL

Eligibility

Min Age
18 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2008-01-31
Primary Completion
2009-01-31
Completion
2009-01-31

Countries

  • China

Study Locations

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Entities

Diseases

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT00604279 on ClinicalTrials.gov