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Chapter: Basic & Clinical Pharmacology : Antiseizure Drugs

Retigabine (Ezogabine)

Retigabine (ezogabine in the USA) was approved as an anti-seizure drug.

RETIGABINE (EZOGABINE)

Retigabine (ezogabine in the USA) was approved as an anti-seizure drug in Europe and the USA in 2010. It is a potassium-channel facilitator and unique in its mechanism of action. Absorption is not affected by food and kinetics are linear; drug interactions are mini-mal. Clinical trials demonstrated efficacy in partial seizures, and approval is for the adjunctive treatment of partial-onset seizures in adults. Doses range from 600 to 1200 mg/day, with 900 mg/day expected to be the median. The current dosage form requires three-times-per-day administration, and the dose must be titrated in most patients. Most adverse effects are dose-related and include dizziness, somnolence, blurred vision, confusion, and dysarthria. Bladder dysfunction, mostly mild and related to the drug’s mechanism of action, was observed in 8-9% of patients in the clinical trials.


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Basic & Clinical Pharmacology : Antiseizure Drugs : Retigabine (Ezogabine) |


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