Document Detail


A long-term follow-up of zonisamide monotherapy.
MedLine Citation:
PMID:  17116025     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
OBJECTIVES: Several studies have reported the safety and efficacy of zonisamide monotherapy, but studies on its long-term outcomes are limited. This chart review was conducted to evaluate the long-term outcomes of zonisamide monotherapy. METHODS: The charts were reviewed for 77 patients treated with zonisamide as monotherapy for 6-180 months between May 1985 and December 2003. Outcomes were analyzed by the following subcategories: patients with newly diagnosed epilepsy or with antiepileptic drug-resistant epilepsy, the type of epilepsy, patient age, and treatment period. RESULTS: Of a total of 77 patients, 49 patients (64%) attained 50% or more reduction of seizure frequency and of those patients 38 (49%) attained 75% or more reduction, with 18 patients (24%) becoming seizure-free from 6 to 180 (median 80.6 +/- 43.6) months of follow-up. Thirty-eight patients (49%) continued zonisamide monotherapy as of December 2003. Proportions of patients having 75% or more reduction in seizure frequency in subcategories were as follows; 56% in patients with newly diagnosed epilepsy and 48% in patients whose treatment was switched to zonisamide monotherapy owing to lack of efficacy of or adverse reaction to previous antiepileptic drugs; 60% in patients with localization-related epilepsies and 38% in patients with generalized epilepsies; and 49% in pediatric patients and 50% in adult patients. CONCLUSION: Long-term zonisamide monotherapy was efficacious in a wide range of patients with epilepsy. Zonisamide did not seem to exhibit a reduction in efficacy during long-term use of up to 180 months.
Authors:
Katsuyuki Fukushima; Masakazu Seino
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Publication Detail:
Type:  Comparative Study; Journal Article    
Journal Detail:
Title:  Epilepsia     Volume:  47     ISSN:  0013-9580     ISO Abbreviation:  Epilepsia     Publication Date:  2006 Nov 
Date Detail:
Created Date:  2006-11-22     Completed Date:  2007-01-10     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  2983306R     Medline TA:  Epilepsia     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1860-4     Citation Subset:  IM    
Affiliation:
National Epilepsy Center, Shizuoka Medical Institute of Neurological Disorders, Shizuoka, Japan.
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MeSH Terms
Descriptor/Qualifier:
Adolescent
Adult
Age Factors
Anticonvulsants / therapeutic use*
Child
Epilepsy / drug therapy*
Female
Follow-Up Studies
Humans
Isoxazoles / therapeutic use*
Longitudinal Studies
Male
Medical Records
Statistics, Nonparametric
Treatment Outcome
Chemical
Reg. No./Substance:
0/Anticonvulsants; 0/Isoxazoles; 68291-97-4/zonisamide

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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