Woah! Are Phase 3s no longer enough for CMS?

On February 22, CMS announced that they would not be reconsidering the National Coverage Determination (NCD) that effectively denies Medicare patients access to lecanemab, a drug with accelerated approval for Alzheimer’s disease. CMS’s rationale was that “there is not yet evidence meeting the criteria for reconsideration.” It’s worth pausing to consider the highly unusual CMS precedent that is playing out in Alzheimer’s.