Postmarketing Safety: US FDA ‘Best Practices’ Include Weekly Adverse Event Screening For New Drugs
Agency’s approach to risk-based postmarketing safety surveillance explained in new draft document issued under the 21st Century Cures Act; product characteristics and intended use guide the frequency and extent of adverse event report screening, with newer drugs undergoing weekly reviews for three years after approval.
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Sarepta’s Vyondys: Renal Toxicity Concerns That Delayed Approval Get Enhanced Postmarketing Scrutiny, Label Warning
Sarepta must perform enhanced pharmacovigilance for serious renal toxicity events and rhabdomyolysis with the Duchenne muscular dystrophy drug, which carries a label warning for renal toxicity. Approval letter includes 2024 target completion date for ESSENCE confirmatory trial.