Too Few High-Risk CV Device Post-Approval Studies

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University of California San Francisco researchers say that since the implementation of the 21st Century Cures Act, which directed FDA to consider the role of post-market information in determining the least burdensome means for approval, there has been no significant increase in the frequency of FDA post-approval study mandates for the highest risk cardiovascular devices, despite increased reliance on such data for some devices. Writing in JAMA Internal Medicine (subscription or purchase required), the researchers say post-approval studies were limited by delays, revisions, and terminations; lack of active control groups; and an emphasis on surrogate rather than clinical outcomes.

“To improve the timeliness, quality, and availability of post-marketing evidence,” the authors conclude, “FDA should consider requiring post-market randomized clinical trials that use clinical endpoints. FDA should also consider implementing time-limited device approvals, whereby continued marketing would be contingent on timely generation and reporting of clinically meaningful post-approval data.”

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