FDA ‘Proactive Pharmacovigilance’ on Opioids

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FDA says it is committed to using a multi-component system of pharmacovigilance to be able to intervene proactively and effectively in anticipation of changes in drug abuse. Writing in a New England Journal of Medicine Perspective column, three agency senior executives describe pharmacovigilance steps taken involving gabapentinoids, the botanical kratom, and over-the-counter loperamide.

“FDA faces challenges as we confront the opioid crisis and monitor changing patterns of use, abuse, and misuse of other products,” writes FDA commissioner Scott Gottlieb and two colleagues. “Some changes could be appropriate, such as the use of gabapentinoids instead of opioid analgesics for selected pain conditions in appropriate patients. But we are also seeing a shift away from the use of prescription opioids toward plant materials containing unrecognized opioids or to OTC products with potentially lethal opioid effects. In other cases, nonopioid drugs such as gabapentinoids are being prescribed, alone and in combination with opioids, and the consequences of those uses are under close investigation…. The right approach to regulating these substances is best determined through a multifaceted system of pharmacovigilance, using various tools to mine traditional and new sources of epidemiologic data, assess products’ pharmacologic properties, and evaluate the social contexts in which substances are being used.”

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