ZAGAL Study: Evaluating Effectiveness and Tolerability of Zonisamide as Adjunctive Therapy in Patients With Partial Onset Seizures Treated With Two Antiepileptic Drugs

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE4

Total Enrollment

32 participants

Study Classification

INTERVENTIONAL

Study Start Date

2008-04-30

Study Completion Date

2009-09-30

Brief Summary

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The purpose of this study is to acquire additional information about the appropriate level of dosing of Zonisamide when it is prescribed for patients with partial onset epileptic crisis who are already being treated with two other antiepileptic drugs.

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Detailed Description

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Patients from both sexes, 18 to 65 years of age, diagnosed with simple or complex partial onset epileptic crisis defined according to the International League Against Epilepsy (ILAE) criteria, with a minimum of two seizures within the 4 previous weeks, a stable treatment with two antiepileptic drugs for at least 12 weeks, and capable and willing to give their informed consent, will be included in the study.

To these patients, physicians will prescribe zonisamide in the following manner: Titration period of 12 weeks, at the end of which all patients must be taking 300 mg. Maintenance doses period of 12 weeks, at the beginning of which, physicians will decide to keep the 300 mg dose from the titration period, lower it to 200 mg, or take it up to 400 mg. Six weeks later within this period, a decision will be made to raise the 400 mg doses up to 500 mg if considered necessary and tolerable.

Drugs will be prescribed by the physician and purchased by the patient.

Conditions

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Epilepsy

Study Design

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Allocation Method

NON_RANDOMIZED

Intervention Model

SINGLE_GROUP

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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1

Group Type EXPERIMENTAL

Zonisamide

Intervention Type DRUG

300 mg tablet. Maintenance dosing period of 12 weeks, at the beginning of which, physicians will decide to keep the 300 mg dose from the titration period, lower it to 200 mg, or take it up to 400 mg.

Interventions

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Zonisamide

300 mg tablet. Maintenance dosing period of 12 weeks, at the beginning of which, physicians will decide to keep the 300 mg dose from the titration period, lower it to 200 mg, or take it up to 400 mg.

Intervention Type DRUG

Other Intervention Names

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Zonegran

Eligibility Criteria

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Inclusion Criteria

Patients from both sexes, 18 to 65 years of age, diagnosed with simple or complex partial onset epileptic seizures defined according to the International League Against Epilepsy (ILAE) criteria, with a minimum of two crises within the 4 previous weeks, a stable treatment with two antiepileptic drugs for at least 12 weeks and capable and willing to give their informed consent, will be included.