A Study to Compare the Effectiveness and Safety of Flexibly Varied Doses of Paliperidone Palmitate and Risperidone in Treating Patients With Schizophrenia
A Randomized, Double-Blind, Parallel Group, Comparative Study of Flexibly Dosed Paliperidone Palmitate (25, 50, 75, or 100 mg eq.) Administered Every 4 Weeks and Flexibly Dosed RISPERDAL CONSTA (25, 37.5, or 50 mg) Administered Every 2 Weeks in Subjects With Schizophrenia
1 other identifier
interventional
748
0 countries
N/A
Brief Summary
The purpose of this study is to compare the effectiveness and safety over 1 year of treatment of intramuscular injections of paliperidone palmitate and long-acting risperidone in patients with schizophrenia.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for phase_3 schizophrenia
Started Feb 2005
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
February 1, 2005
CompletedFirst Submitted
Initial submission to the registry
September 13, 2005
CompletedFirst Posted
Study publicly available on registry
September 21, 2005
CompletedStudy Completion
Last participant's last visit for all outcomes
April 1, 2007
CompletedJune 8, 2011
April 1, 2010
September 13, 2005
June 6, 2011
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
The change in the total score of the Positive and Negative Syndrome Scale (PANSS) from the beginning to the end of the double-blind treatment period or to the last post-randomization assessment.
Secondary Outcomes (1)
The investigator's Clinical Global Impression of the Severity (CGI-S) of schizophrenia and rating of mental function on a Personal and Social Performance Scale (PSP). Evaluations of adverse events, laboratory tests, and other measures of drug safety.
Interventions
Eligibility Criteria
You may qualify if:
- A diagnosis of schizophrenia (disorganized, catatonic, paranoid, residual, or undifferentiated types) according to the Diagnostic and Statistical Manual of Mental Disorders, 4th edition (DSM IV) for at least 1 year before the screening evaluation
- a total PANSS score of 60 to 120 at screening and baseline (pre-treatment) evaluations
- a body mass index (BMI \[weight (kilograms)\]/\[height (meters)\]²) of at least 15.0 kg/m² .
You may not qualify if:
- A primary active DSM-IV Axis I diagnosis other than schizophrenia
- a decrease of 25% or more in the total PANSS score between screening and baseline evaluations
- a DSM-IV diagnosis of active substance dependence within 3 months of screening evaluation
- a history of treatment resistance as defined by failure to respond to 2 adequate trials of different antipsychotic medications
- a woman who is pregnant, breast-feeding, or planning to become pregnant during the study period.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Related Publications (1)
Fleischhacker WW, Gopal S, Lane R, Gassmann-Mayer C, Lim P, Hough D, Remmerie B, Eerdekens M. A randomized trial of paliperidone palmitate and risperidone long-acting injectable in schizophrenia. Int J Neuropsychopharmacol. 2012 Feb;15(1):107-18. doi: 10.1017/S1461145711001076. Epub 2011 Jul 22.
PMID: 21777507DERIVED
Related Links
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Study Officials
- STUDY DIRECTOR
Johnson & Johnson Pharmaceutical Research & Development, L.L. C. Clinical Trial
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
Study Design
- Study Type
- interventional
- Phase
- phase 3
- Allocation
- RANDOMIZED
- Masking
- DOUBLE
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- INDUSTRY
Study Record Dates
First Submitted
September 13, 2005
First Posted
September 21, 2005
Study Start
February 1, 2005
Study Completion
April 1, 2007
Last Updated
June 8, 2011
Record last verified: 2010-04