A Study of the Efficacy and Safety of Long-acting Injectable Risperidone and Risperidone Tablets in Patients With Schizophrenia
A Parallel-Group Comparative Open-Label Study of Long-Acting Injectible Risperidone Versus Risperidone Tablets in Patients With Schizophrenia.
1 other identifier
interventional
205
0 countries
N/A
Brief Summary
The purpose of this study is to evaluate the effectiveness and safety of risperidone, formulated as a long-acting injectable drug, compared with risperidone tablets in the treatment of patients with schizophrenia.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P25-P50 for phase_3 schizophrenia
Started Jun 2004
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
June 1, 2004
CompletedFirst Submitted
Initial submission to the registry
October 14, 2005
CompletedFirst Posted
Study publicly available on registry
October 18, 2005
CompletedStudy Completion
Last participant's last visit for all outcomes
April 1, 2006
CompletedMay 17, 2011
March 1, 2010
October 14, 2005
May 16, 2011
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Positive and Negative Syndrome Scale (PANSS) at screening, Weeks 8, 16, and 24.
Secondary Outcomes (1)
Clinical Global Impression-Changes (CGI-C), from baseline at Weeks 8, 16 and 24; Brief Psychiatric Rating Scale (BPRS) at baseline and biweekly from Weeks 4 through 18; Clinical Global Impressions-severity (CGI-S)
Interventions
Eligibility Criteria
You may qualify if:
- Diagnosis of schizophrenia by the criteria of Diagnostic and Statistical Manual of Mental Diseases, 4th Edition (DSM-IV )
- treatment with an antipsychotic drug (up to 6 milligrams/day of risperidone or equivalent dose) for 28 days before study initiation with no change in the dosage
- Total Positive and Negative Syndrome Scale (PANSS) score \>=60 and \<120 at start of study.
You may not qualify if:
- Diagnosis of mental disease other than schizophrenia
- treated with a sustained-release injection of other antipsychotic medications within 60 days before the initiation of the study
- history of cerebrovascular accident, convulsive disorder such as epilepsy, diabetes mellitus, liver disease, kidney disease, cardiovascular disorder, malignancy or physical exhaustion due to dehydration or malnutrition
- have risk factors of diabetes mellitus, such as hyperglycemia.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Related Publications (1)
Ostuzzi G, Bighelli I, So R, Furukawa TA, Barbui C. Does formulation matter? A systematic review and meta-analysis of oral versus long-acting antipsychotic studies. Schizophr Res. 2017 May;183:10-21. doi: 10.1016/j.schres.2016.11.010. Epub 2016 Nov 17.
PMID: 27866695DERIVED
Related Links
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Study Officials
- STUDY DIRECTOR
Janssen Pharmaceutical K.K. Clinical Trial
Janssen Pharmaceutical K.K.
Study Design
- Study Type
- interventional
- Phase
- phase 3
- Allocation
- RANDOMIZED
- Masking
- NONE
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- INDUSTRY
Study Record Dates
First Submitted
October 14, 2005
First Posted
October 18, 2005
Study Start
June 1, 2004
Study Completion
April 1, 2006
Last Updated
May 17, 2011
Record last verified: 2010-03