A Study of How Long it Takes a Patient to Relapse After Switching From an Oral Antipsychotic to One of Two Doses of Long-acting Risperidone Injections in Patients With Schizophrenia or Schizoaffective Disorder
A 52-wk Prospective, Randomized, Double-blind, Multicenter Study of Relapse Following Transition From Oral Antipsychotic Medication to 2 Different Doses (25 or 50 mg Every 2 Wks) of Risperidone Long-acting Microspheres (Risperdal� CONSTA�) in Adults With Schizophrenia or Schizoaffective Disorder
1 other identifier
interventional
40
0 countries
N/A
Brief Summary
The purpose of this study is to assess the time for patients to relapse when switched from an oral antipsychotic to one of two doses of long-acting risperidone injection (shots). Risperidone has been used successfully to treat schizophrenia and schizoaffective disorder.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at below P25 for phase_3 schizophrenia
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 Completion
Last participant's last visit for all outcomes
September 1, 2004
CompletedFirst Submitted
Initial submission to the registry
February 24, 2006
CompletedFirst Posted
Study publicly available on registry
February 28, 2006
CompletedMay 18, 2011
April 1, 2010
February 24, 2006
May 17, 2011
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Risperidone effectiveness is measured by time to relapse within the 52 week period.
Secondary Outcomes (1)
Effectiveness of the drug is assessed by the Clinical Global Impression Scale and Positive and Negative Syndrome Scale; safety as assessed by the Extrapyramidal Symptom Rating Scale and treatment-emergent adverse events during the 52 week period.
Interventions
Eligibility Criteria
You may qualify if:
- Patients diagnosed with schizophrenia or schizoaffective disorder
- stable with respect to disease symptoms and other medical conditions
- stable on any oral antipsychotic drug (except clozapine) for 4 weeks before the study
- patients identify a relative or acquaintance who can complete a questionnaire with additional information about the patient
- if female, using birth control.
You may not qualify if:
- Patient is not eligible if currently hospitalized, or was treated for an acute disease-related crisis within the past 4 weeks
- at risk to self or others
- use of injectable antipsychotic drugs or electroconvulsive therapy within past 6 months, or currently using carbamazepineor an oral antipsychotic drug in a dose that is higher than 8 milligrams per day in risperidone equivalents, of long-acting risperidone in an earlier study, of clozapine, or use of investigational drugs within 30 days, or of electroconvulsive therapy within past 6 months
- presence of liver or kidney damage
- history of neuroleptic malignant syndrome
- if pregnant or breast-feeding
- not using birth control
- abusing drugs or alcohol.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Related Publications (1)
Simpson GM, Mahmoud RA, Lasser RA, Kujawa M, Bossie CA, Turkoz I, Rodriguez S, Gharabawi GM. A 1-year double-blind study of 2 doses of long-acting risperidone in stable patients with schizophrenia or schizoaffective disorder. J Clin Psychiatry. 2006 Aug;67(8):1194-203. doi: 10.4088/jcp.v67n0804.
PMID: 16965196RESULT
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
February 24, 2006
First Posted
February 28, 2006
Study Completion
September 1, 2004
Last Updated
May 18, 2011
Record last verified: 2010-04