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PubMed1989

Zonisamide usage.

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Epilepsies, Myoclonic↗
PubMed1991

Zonisamide.

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Animals↗
PubMed1995

[Zonisamide].

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Anticonvulsants↗
PubMed2004

Overview of Japanese experience-controlled and uncontrolled trials.

Zonisamide is a new type of benzisoxazole derivative, first marketed in Japan in 1989. This study analyzed: (1) the drug's efficacy by seizure and epilepsy type in a total of 1008 patients treated during the development of zonisamide in Japan; (2) the effectiveness of zonisamide for 726 newly-diagnosed patients treated with zonisamide postmarketing; and (3) 50 patients with generalized epilepsies and epileptic syndromes (idiopathic generalized epilepsies, symptomatic generalized epilepsies, Lennox-Gastaut syndrome, Doose syndrome, and West syndrome), and 19 patients with undetermined epilepsies and specific syndromes (refractory grand mal in childhood, severe myoclonic epilepsy in infancy, other undetermined epilepsy, familial essential myoclonic epilepsy, and mitochondrial encephalomyopathy with ragged-red fibers). Analysis of study results showed that among all patients treated, zonisamide was highly effective for the treatment of idiopathic generalized epilepsy, temporal lobe epilepsy, and other partial epilepsies. The compound was also effective for other symptomatic generalized epilepsies. In 50 patients with generalized epilepsies, and 19 with undetermined epilepsies and specific syndromes, seizure frequency was reduced by >50% with monotherapy or two-drug therapy with zonisamide. Zonisamide was effective not only for partial epilepsies and generalized epilepsies but also for undetermined epilepsies and specific syndromes such as myoclonus epilepsy.

Adolescent↗
PubMed2000

Influence of exposure to new circumstances on pharmacokinetics of plasma drugs concentrations in rats.

The influences of emotional changes induced by being exposed to a new environment on the pharmacokinetics of plasma drug concentration were studied in male Wistar rats. Transfer from a familiar home cage to a new home cage was considered to induce psychological (non-physical) emotional changes. First, nicorandil and zonisamide, drugs that act on the peripheral system and central nervous systems, were used, respectively. Immediately after oral administration of nicorandil (10 mg/kg) or zonisamide (50 mg/kg), the animals were transferred to new home cages. Plasma nicorandil and zonisamide concentrations were determined by high-performance liquid chromatography at 1 and 4 h after administration. Plasma nicorandil concentration in the group transferred to new home cages was significantly decreased relative to levels in the non-transferred control group. However, zonisamide concentrations were unchanged. These findings suggest that the pharmacokinetics of nicorandil, but not those of zonisamide, tend to be influenced by non-physically induced emotional changes.

Animals↗