Alzheimer's & dementia (Amsterdam, Netherlands) · 2026
Real-world implementation of lecanemab in Korean patients at a tertiary memory clinic: Safety, ARIA risk, and early treatment patterns.
СтатьяНазвание и аннотация: Перевод в очереди
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Shin Jaemin, Suh Sang-Il, Park Yu Jeong, Lee Seungyun, Kang Jimin, Lee Eun Seong, Jung Hye Na, Ryoo Inseon, Lee Seongin, Eo Jae Seon, Oh Kyungmi, Koh Seong-Beom, Kang Sung Hoon
Аннотация
INTRODUCTION: Lecanemab has demonstrated clinical efficacy in early Alzheimer's disease (AD), but real-world data remain limited, particularly in Asian populations.
METHODS: We prospectively enrolled 127 patients across the AD continuum who initiated lecanemab at a tertiary memory clinic in Korea. Infusion-related reactions (IRRs), amyloid-related imaging abnormalities (ARIAs), and cognitive outcomes were evaluated through clinical assessments, serial magnetic resonance imaging (MRI), and longitudinal Mini-Mental State Examination (MMSE) follow-up.
RESULTS: Among 127 patients, 102 completed at least five infusions with follow-up MRI. IRRs occurred in 27 (21.3%) patients, primarily during the first infusion. ARIAs occurred in 9 of 102 (8.8%), including ARIAs with edema in 4 (3.9%) and ARIA with hemorrhage in 7 (6.9%); most events were mild or asymptomatic. Higher microbleed burden and white matter hyperintensity were associated with increased ARIA risk. MMSE scores remained stable over 6 months.
DISCUSSION: In this prospective Korean cohort, lecanemab was generally well tolerated. Longer term controlled studies are needed to clarify cognitive outcomes.
METHODS: We prospectively enrolled 127 patients across the AD continuum who initiated lecanemab at a tertiary memory clinic in Korea. Infusion-related reactions (IRRs), amyloid-related imaging abnormalities (ARIAs), and cognitive outcomes were evaluated through clinical assessments, serial magnetic resonance imaging (MRI), and longitudinal Mini-Mental State Examination (MMSE) follow-up.
RESULTS: Among 127 patients, 102 completed at least five infusions with follow-up MRI. IRRs occurred in 27 (21.3%) patients, primarily during the first infusion. ARIAs occurred in 9 of 102 (8.8%), including ARIAs with edema in 4 (3.9%) and ARIA with hemorrhage in 7 (6.9%); most events were mild or asymptomatic. Higher microbleed burden and white matter hyperintensity were associated with increased ARIA risk. MMSE scores remained stable over 6 months.
DISCUSSION: In this prospective Korean cohort, lecanemab was generally well tolerated. Longer term controlled studies are needed to clarify cognitive outcomes.