Polygenicity and APOE ε4 shape response to intervention in mild cognitive impairment

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◆ 논문 초록 (Abstract)

BACKGROUND: Multidomain lifestyle interventions have shown effectiveness in preventing dementia, but identifying high-risk groups most likely to benefit remains unclear. METHODS: We re-evaluated the SUPERBRAIN-MEET multidomain intervention study in mild cognitive impairment (MCI) patients, incorporating polygenic risk scores (PRS) for Alzheimer’s disease and APOE ε4 status using Repeatable Battery for the Assessment of Neuropsychological Status (RBANS) total index as the primary outcome. RESULTS: Both intervention and control groups showed cognitive improvement over 24 weeks, with greater gains in the intervention arm. Relative intervention efficacy (RIE) increased with higher genetic risk, being most pronounced among APOE ε4 carriers and individuals with high PRS. When both factors were considered jointly, APOE ε4 carriers with high PRS exhibited the largest RIE (β = 7.54, SE = 2.59, p = 0.005), driven by markedly greater improvement in the intervention group. The secondary outcomes did not show as consistent results as RBANS total index. DISCUSSION: These findings suggest that MCI individuals who are APOE ε4 carriers with high PRS may benefit most from multidomain interventions. These results support the complementary use of PRS and APOE status for identifying high-risk subgroups most likely to benefit from multidomain interventions. TRIAL REGISTRATION: ClinicalTrials.gov identifier: NCT05023057. Registered on 26 August 2021.

◆ 원문 정보
저자: Hwang J, Moon SY, Lee H, Lee J, Park YK et al.
저널: Alzheimers Res Ther
연도: 2025
DOI: 10.1186/s13195-025-01907-3

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