Accelerated Approval: US FDA Explains When A Confirmatory Trial Is ‘Underway’

The agency will consider study enrollment, accrual rates and the number of clinical site activations, among other factors, in determining whether a confirmatory trial is underway prior to accelerated approval, but the new draft guidance does not specify the proportion of patients that must be enrolled at the time of approval.

Cruise ship
It may not be as obvious as a cruise ship when a confirmatory trial gets underway. (Shutterstock)
Key Takeaways
  • A new draft guidance describes the FDA's considerations when deciding whether a confirmatory trial is underway prior to accelerated approval.

The US Food and Drug Administration will consider study enrollment, accrual rates and clinical site activations, among other factors, in...

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