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Index/Topics/ARIA Risks

ARIA Risks

The risks of amyloid-related imaging abnormalities, including edema and hemorrhage, associated with lecanemab and donanemab.

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3 results
Jan 12, 2026
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What are the specific risks and monitoring requirements for patients receiving lecanemab or donanemab?

Two monoclonal antibodies—lecanemab (Leqembi) and donanemab (Kisunla)—offer modest slowing of early Alzheimer’s symptoms but carry specific, sometimes serious safety risks that require structured moni...

Jan 15, 2026

What are the rates and clinical consequences of ARIA in real‑world use of lecanemab and donanemab?

Real‑world reports and pooled analyses show that amyloid‑related imaging abnormalities (ARIA) are substantially more common with anti‑amyloid monoclonal antibodies than with placebo, and that lecanema...

Jan 14, 2026

What are the long‑term extension and real‑world safety/efficacy data available so far for lecanemab and donanemab?

Two monoclonal antibodies—lecanemab and donanemab—have randomized-trial evidence of modest slowing of cognitive decline at 18 months and emerging longer-term data for lecanemab suggesting continued, s...

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