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Approximately 6.9 million American individuals have Alzheimer dementia and 50% have mild disease. Lecanemab, an approved antiamyloid antibody, is associated with modest reduction in functional decline in patients with mild dementia or mild cognitive impairment. In Clarity-AD, 239 (26.6%) of patients experienced amyloid-related imaging abnormalities (ARIAs) overall (i.e., ARIAs associated with hemorrhages or edema). The complexity of treatment and risks of adverse events necessitate a multidisciplinary collaborative approach.
Shane et al. (Fri,) studied this question.