FDA Posts Draft Guide on Lamictal Bioequivalence
FDA has posted a draft guidance on lamotrigine bioequivalence recommendations for generic drug sponsors to use when seeking approval for generic copies of GlaxoSmithKline’s seizure drug Lamictal extended-release tablets. The guidance calls for three studies to demonstrate bioequivalence. They are: Fasting study: Single-dose, two-way crossover in vivo for the 200 mg tablet Fed study: Single-dose, two-way crossover in vivo for the 200 mg tablet Fasting study: Single-dose, two-way, crossover in vivo for the the 50 mg tablet