A Study on the Safety & Efficacy of Topiramate in the Treatment of

Status Completed

Clinical Trial Summary

This primary purpose of this study is to evaluate the safety and efficacy of topiramate compared with lithium or placebo in the treatment of acute manic or mixed episodes in patients with Bipolar I Disorder.

Clinical Trial Description

This is a randomized, double-blind, placebo- and active-controlled study to evaluate the effectiveness of two dose levels of topiramate (200 and 400 milligrams/day) compared with lithium and placebo in the treatment of acute manic or mixed episodes in patients with Biplar I Disorder. The trial consists of 3 phases: a screening period; double-blind treatment for 12 weeks; and an optional open-label period of at least 6 months. Efficacy assessments include the change from baseline to Day 21 for the total Young Mania Rating Scale (YMRS) score. Also included as efficacy assessments during the 12 week study are the Global Assessment Scale (GAS), Montgomery-Åsberg Depression Rating Scale (MADRS), Brief Psychiatric Rating Scale (BPRS), Clinical Global Impressions (CGI), and health-related quality of life measures at specified time intervals. Safety assessments include evaluation of adverse events throughout the study, rate of withdrawal from the study due to adverse events, and vital signs (blood pressure and pulse) througout the study, as well as changes in clinical laboratory tests (hematology, chemistry, urinalysis), electrocardiograms (ECGs), and physical examinations at specified times. The study hypothesis is that the change from baseline in Young Mania Rating Scale (YMSR) total score at Day 21 will be significantly better for the topiramate groups than for the placebo group and that the study drug will be well tolerated by the patients. Topiramate: oral tablets (50 milligrams[mg]); increasing from once daily (50mg) to 3-times daily; target total daily dose 200mg or 400mg, maintained through Week 12. Lithium: oral capsules (300mg); increasing from once daily (300mg) to three-times daily; target total daily dose 1500-1800 mg. ;

Study Design

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

Related Conditions & MeSH terms

Bipolar Disorder

Clinical Trial Details

NCT number	NCT00037674
Study type	Interventional
Source	Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
Contact
Status	Completed
Phase	Phase 3
Start date	January 2001
Completion date	May 2003

View Details

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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.

A Study on the Safety and Efficacy of Topiramate in the Treatment of Patients With Bipolar I Disorder

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms