FDA Panel Mulls Cognitive Impairment in Depressive Disorder

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FDA’s Psychopharmacologic Drugs Advisory Committee (PDAC) 2/3 will discuss whether cognitive impairment in major depressive disorder (MDD) is a suitable target for drug development, and if so, how it should be studied.



 

Briefing materials released in advance of the meeting note that, historically, CDER’s Division of Psychiatry Products has viewed cognitive dysfunction in MDD as a “pseudo-specific drug target — meaning that this claim would be considered artificially narrow and related to the overall disorder of MDD. Current research supports the concept and subject matter experts have begun to agree that cognitive dysfunction in MDD is a disabling  part of MDD which can be considered a distinct problem that to date has not been evaluated in drug trials. While the field is progressing toward consensus on this issue, the purpose of this PDAC meeting is to have the discussion, with experts, in public.”



 

FDA says that if the panel members agree that cognitive dysfunction in MDD should be studied in drug development programs, then the focus of the meeting will be on how best to measure change in cognitive function in a clinical trial, and what type and how much change is clinically meaningful to patients and clinicians. The agency says it is specifically interested in feedback on acceptable primary efficacy endpoints that can demonstrate clinical relevance for a claim and the trial design to assess change in the endpoints.

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