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2023 Fiscal Year Final Research Report

Influence of branched-chain amino acid on the outcome in the acute ischemic stroke patients

Research Project

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Project/Area Number 21K11214
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 59010:Rehabilitation science-related
Research InstitutionHiroshima University

Principal Investigator

Naohisa Hosomi  広島大学, 原爆放射線医科学研究所, 研究員 (70363190)

Co-Investigator(Kenkyū-buntansha) 青木 志郎  広島大学, 病院(医), 講師 (10457236)
祢津 智久  広島大学, 病院(医), 講師 (10457260)
上田 恵子  公益財団法人神戸医療産業都市推進機構, その他部局等, 研究員(上席・主任研究員クラス) (30374383)
中森 正博  広島大学, 医系科学研究科(医), 助教 (30881297)
神沼 修  広島大学, 原爆放射線医科学研究所, 教授 (80342921)
Project Period (FY) 2021-04-01 – 2024-03-31
Keywords分岐鎖アミノ酸 / 脳梗塞
Outline of Final Research Achievements

The fact that low body weight and undernutrition worsen the prognosis and outcome in acute stroke patients is thought to be influenced by sarcopenia and frailty. The purpose of this study was to examine the usefulness of active nutritional intervention. Therefore, we conducted a randomized controlled trial using a BCAA preparation as a supplementary food for patients in the acute stage of stroke, and planned to examine whether it could contribute to improving frailty and nutritional status, and in turn, whether it could contribute to improving the outcome of stroke patients. If nutritional intervention improves outcomes for acute stroke patients, this will be a groundbreaking study that can suggest future nutritional interventions for stroke treatment and acute stage management.

Free Research Field

脳神経内科

Academic Significance and Societal Importance of the Research Achievements

脳卒中急性期を対象とした積極的栄養介入の報告はこれまでにほとんどなく、特に急性期に栄養補給としてBCAA製剤投与する研究は初めての試みである。BCAA製剤は補助食品として市販されており、健康に及ぼす有害性は検出されていない。積極的栄養介入が転帰に寄与しえれば今後の脳卒中治療、急性期栄養管理を変化させる画期的研究となる。また、これは今後他の脳神経疾患にも応用できる結果を導き出せる可能性があり、脳神経疾患の転帰改善の道標となりえる本研究の意義は大変大きいものと考える。

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Published: 2025-01-30  

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