As of 15 June 2010, the new Food and Drug Administration (FDA) Postmarketing Drug Safety Evaluation website was launched. The FDA posted postmarket safety evaluations for 26 drugs approved between September 2007 and January 2008 and is reviewing an additional 20 or 30 others. To date, no label changes have been recommended.
In accordance with the Food and Drug Administration Amendments Act of 2007 (FDAAA), the FDA now summarizes information about ongoing and completed postmarketing safety evaluations of serious adverse events (SAE) submitted to the FDA for New Drug Applications (NDAs) and Biologic License Applications (BLAs) that have been approved since 27 September 2007. These evaluations are completed to determine if there are any new SAE not previously identified during product development, known side effects reported in unusual number, or potential new safety concerns identified post approval. These postmarketing evaluations will be performed no later than 18 months following approval (i.e., early in the product’s marketed life cycle) or after its use by 10,000 individuals, whichever is later.
To develop these postmarketing safety evaluations the FDA assesses several data sources including:
• The product’s pre-approval safety profile
• The product’s current FDA-approved label
• Reports made to FDA’s Adverse Event Reporting System (AERS)
• Reports made to the Vaccine Adverse Event Reporting System (VAERS)
• Manufacturer-submitted periodic safety reports
• Medical literature
• Drug utilization databases
• Data from post-approval clinical trials and other studies, when applicable
FDA analyses for the safety evaluations include:
• Data mining analysis of all adverse event reports in the AERS or VAERS databases
• Review serious adverse event reports
• Medication error analysis
• Product utilization analysis
• Risk management review
• Analysis of post-approval safety data from clinical trials and other studies, when applicable
Summaries of FDA safety analyses on recently approved products will now be prepared quarterly and posted on FDA’s website along with a brief discussion of the steps FDA is taking to address any identified safety issues.
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