Risperidone Versus Olanzapine for Mania in Preschool Children 4 to 6 Years

Status Completed

Clinical Trial Summary

The objectives of this study are to study the safety, effectiveness, tolerability and dosing regimen of risperidone, and olanzapine, in the treatment of mania in Bipolar Disorder I and Bipolar II Disorder in preschool children over an 8 week period. We hypothesize that these atypical neuroleptics may be effective in treating pediatric mania, with a lower risk of extrapyramidal side effects.

Clinical Trial Description

Risperidone and olanzapine are atypical neuroleptics marketed for the treatment of psychotic disorders in adults. These medicines are called atypical neuroleptics because of their unique pharmacological profile, which include both D2 and 5HT2 antagonistic effects. The combined dopaminergic and serotonergic activity seems to be associated not only with antipsychotic effects, but also with mood stabilizing, mood elevating and tardive dyskinesia. The anti-climactic effects of this class of drugs led to the recent FDA approval of olanzapine as monotherapy for adult bipolar disorder.

The study will consist of 8 week, open-label treatment period with random assignment to two determined treatment arms, risperidone or olanzapine. We plan to enroll 5 subjects for each arm. During the 8 weeks of treatment, patients will be seen at weekly intervals and receive study medication. At each week, measures of safety and efficacy will be obtained. Two teams of clinicians will see the patient at each visit. Team 1 will be the treating team, adjusting medication dosages and determining the safety of continuation in the study for the patient. Team 2 will be blind to the randomization status of the patient and will assess clinical improvement using the efficacy measures. For patients who have completed the 8-week acute phase without adverse event and have not responded to the medication they were assigned to will be allowed to then take part in additional 8-week trial with the other medication. At the end of the 8 weeks, patients who responded to their assigned treatment will be eligible to be enrolled and invited to participate in a separate10 month continuation study. ;

Study Design

Allocation: Non-Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Single Blind, Primary Purpose: Treatment

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT00181935
Study type	Interventional
Source	Massachusetts General Hospital
Contact
Status	Completed
Phase	Phase 4
Start date	March 2001
Completion date	July 2004

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Risperidone Versus Olanzapine for Mania in Preschool Children 4 to 6 Years of Age With Bipolar Disorder

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms