Science2020sglobalhigh confidence

The FDA recommends a brain MRI before starting lecanemab or donanemab and periodic brain MRIs during treatment to monitor for brain swelling or bleeding.

Notes on verification

Confirmed via official FDA-approved prescribing information for both Leqembi and Kisunla, plus an FDA Drug Safety Communication reinforcing MRI monitoring requirements. [tier=silver indep_score=0.925 clusters=2 claim_tier=notable]

Sources