
美國FDA要求胰妥讚、猛健樂等GLP-1類減重與糖尿病藥物在仿單加註警語,提醒可能增加非動脈炎性前部缺血性視神經病變(NAION)風險,恐導致突發性視力喪失甚至永久損害。禮來與諾和諾德分別回應,花旗分析師認為短期可能加深疑慮,但對處方影響有限。
AI-generated summary
美國FDA經評估臨床試驗數據、動物實驗數據、上市後數據及觀察性研究與病例報告後,要求GLP-1類藥物生產廠商在仿單「警語及注意事項」欄位加註可能增加NAION風險的資訊。相關藥品包括禮來的猛健樂與Zepbound,以及諾和諾德的胰妥讚與週纖達。
美國食品暨藥物管理局(FDA)今天要求胰妥讚、猛健樂等熱門減重與糖尿病藥物在仿單加註警語,提醒可能增加罹患視神經病變風險,恐導致突發性視力喪失,甚至永久損害視力。
路透社報導,去年發表的一項大型研究追蹤近35萬名糖尿病患者,其中有半數使用「類升糖素胜肽-1」(GLP-1)藥物司美格魯肽(semaglutide),另外一半則使用其他糖尿病藥物。
研究發現,相較其他糖尿病藥物,使用GLP-1藥物治療2年後,罹患「非動脈炎性前部缺血性視神經病變」(NAION)的風險增至2倍以上。
視神經是一束連結到眼睛後部的纖維,會將訊號傳給大腦,讓人看得見東西,而NAION是流向視神經前端的血流減少或受阻所致,會造成突發性無痛視力喪失,部分病例可能永久視力受損,但成因至今仍未完全釐清。
美國FDA表示,經全面評估臨床試驗數據、動物實驗數據、上市後數據及觀察性研究與病例報告等資料後,已要求生產GLP-1類藥物的藥廠,須在仿單「警語及注意事項」欄位加註相關資訊,載明可能增加罹患NAION的風險。
FDA指出,相關藥品包括美國禮來(Eli Lilly)的猛健樂(Mounjaro)與Zepbound,以及諾和諾德(Novo Nordisk)的胰妥讚(Ozempic)與週纖達(Wegovy)。
禮來發言人表示:「FDA的藥物安全通報適用所有具GLP-1受體促效劑活性的藥物,並未提及任何針對禮來產品的特定發現。我們正在審慎評估這項最新資訊,並儘速回覆FDA。」
諾和諾德發言人則指出:「諾和諾德依舊認為,現有數據尚未證實兩者具因果關係,我們對旗下GLP-1藥物的效益風險評估仍深具信心。」
花旗(Citi)分析師米全(Geoff Meacham)指出:「FDA這項措施短期內可能加深患者與投資人的疑慮,但考量NAION相當罕見,加上這類藥物在減重、血糖、心血管、腎臟及睡眠呼吸中止症方面帶來的顯著效益,應能維持良好的效益風險評估,對於醫師處方影響有限。」
歐盟藥品管理局(EMA)安全委員會去年曾首度證實,連續使用「司美格魯肽」至少1年的患者當中,每1萬人最多可能有1人出現NAION;丹麥病患救濟協會(Danish Patient Compensation)去年也指出,丹麥有4名患者使用諾和諾德旗下GLP-1藥物後,出現視力喪失症狀,已獲得相關賠償。
AI outlook — possibilities, not facts
GLP-1類藥物仿單將在短期內更新並加註NAION風險警語
Very likely · Within weeks
禮來與諾和諾德將審慎評估FDA資訊並回覆監管機構
Likely · Within weeks

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