Status:

COMPLETED

A Pharmacokinetic Study of Lithium Before and During Topiramate Dosing in Bipolar Disorder Patients

Lead Sponsor:

Johnson & Johnson Pharmaceutical Research & Development, L.L.C.

Conditions:

Bipolar Disorder

Eligibility:

All Genders

18-60 years

Phase:

PHASE1

Brief Summary

The purpose of this study is to determine the initial (after 1-week of maintenance dosing) and extended (after 3-weeks of maintenance dosing) effect of topiramate, at doses up to 600 mg/day, on the st...

Detailed Description

This was an open-label (both the investigator and the patient knew the identity of the study drug), sequential treatment, multicenter study evaluating the interaction of topiramate and lithium in pati...

Eligibility Criteria

Inclusion

  • Patients meeting DSM-IV criteria for either Bipolar I, Bipolar II, Cyclothymic Disorder, or Bipolar Disorder NOS
  • Patients on monotherapy treatment with lithium carbonate at steady state level for a minimum of two weeks prior to study treatment assignment
  • Women are postmenopausal for at least 1 year, or surgically incapable of childbearing, or practicing an acceptable method of birth control (hormonal contraception, intrauterine device, or barrier with spermicide were acceptable) and not pregnant at baseline

Exclusion

  • Patients with a history of an acquired or hereditary neurologic disease, e.g., epilepsy or significant brain trauma
  • Patients on depot medications, including but not limited to haloperidol, decanoate and Depo-Provera
  • Patients who had taken acetazolamide, zonisamide, triamterene, dichlorphenamide, chronic antacids, or calcium supplements, or any medication associated with nephrolithiasis (kidney stone formation) in the month prior to beginning topiramate titration

Key Trial Info

Start Date :

March 1 2001

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

October 1 2002

Estimated Enrollment :

32 Patients enrolled

Trial Details

Trial ID

NCT00986128

Start Date

March 1 2001

End Date

October 1 2002

Last Update

June 10 2011

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