
「マンジャロ」などの不適切な使用による健康被害を受け提言
日本肥満学会は、糖尿病治療薬「マンジャロ」をダイエット目的で不適切に使用し、意識障害などの健康被害が生じる事例が相次いでいるとして注意を促す提言を公表。過度な食事制限との併用によるケトーシスのリスクを警告している。
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糖尿病治療薬であるチルゼパチドが、本来の適応外であるダイエット目的で自由診療クリニック等を通じて処方される事例が増加している。
日本肥満学会は3日、糖尿病治療薬「マンジャロ」(一般名チルゼパチド)などを用いた減量の過程で、意識障害につながる重大な健康障害が報告されているとして、注意を促す提言を公表した。自由診療クリニックなどでダイエット目的の処方が広がるなか、過度な食事制限や糖質制限を伴う減量に注意を呼びかけている。
提言によると、糖尿病治療などの医療目的ではなく、ダイエット目的で使った人の中で、血中に「ケトン体」と呼ばれる物質が増える「ケトーシス」という状態になり、健康障害を生じる報告が相次いでいる。
実例として、20代の接客業の女性が救急搬送されたケースが報告されたという。女性は体格指数(BMI)が「18.8」と、適正範囲(18.5以上25.0未満)にもかかわらず、職場から「太っている」と指摘され、自費のオンライン診療でこうした薬を使用。嘔吐(おうと)などが続いても使用を続け、症状が重くなり搬送され緊急入院したという。
ケトーシスが進行すると、血中の酸性度が高まる「ケトアシドーシス」に陥り、重篤な場合は意識障害を引き起こす恐れがある。

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