
一項涵蓋13萬多名失眠成人的研究發現,長期使用褪黑激素者,5年內被診斷心衰竭的比例較高,相對風險高出89%。研究尚未經同儕審查,結果也不能證明褪黑激素會直接造成心衰竭。
美國心臟協會年會公布的一項研究顯示,有至少1年褪黑激素處方紀錄的失眠成人,5年內心衰竭診斷比例較高。該研究尚未經同儕審查,專家強調不能直接證明因果關係。
AI-generated summary
褪黑激素常被用於改善睡眠,美國心臟協會2025年11月科學年會公布了一項關於長期使用褪黑激素與心衰竭風險的研究摘要。
褪黑激素常被用於改善睡眠,但一項尚未經同儕審查的研究發現,有至少1年褪黑激素處方紀錄的失眠成人,5年內心衰竭診斷比例高於沒有相關處方紀錄者。示意圖。(資料照)
〔編譯陳成良/綜合報導〕不少人把褪黑激素當成助眠補充品,失眠時自行使用,但一項涵蓋13萬多名失眠成人的研究發現,長期使用褪黑激素者,5年內被診斷心衰竭的比例較高,相對風險高出89%。研究尚未經同儕審查,結果也不能證明褪黑激素會直接造成心衰竭。
科學新聞網站《Science Alert》近日報導,美國心臟協會(AHA)2025年11月科學年會公布這項研究摘要。研究團隊分析13萬828名失眠成人的電子病歷,比較有至少1年褪黑激素處方紀錄者與沒有相關處方紀錄者,觀察兩組其後5年的健康結果。
研究發現,有至少1年褪黑激素處方紀錄者,5年內被診斷心衰竭的比例為4.6%,沒有相關處方紀錄者為2.7%,前者相對高約89%。另一項分析發現,長期使用組因心衰竭住院的可能性約為對照組的3.5倍;全因死亡比例則為7.8%,高於對照組的4.3%。
這些數字反映兩組受試者的差異,不能直接證明褪黑激素是造成心衰竭或死亡的原因。研究以處方紀錄估算用藥情況,並未直接調查所有人的實際服用狀況。在美國,褪黑激素可不經處方購買,因此沒有處方紀錄的人也可能自行服用,影響兩組比較結果。
沙國監管機關發布安全訊號
沙烏地阿拉伯食品藥物管理局(SFDA)2026年4月發布褪黑激素與心衰竭風險的安全訊號。該機關檢視全球病例通報及相關研究後,認為現有證據提示兩者可能存在因果關聯。這項安全訊號並非禁售令,也不代表因果關係已獲證實。
褪黑激素是人體自然分泌的荷爾蒙,參與調節睡眠與清醒的生理時鐘。美國心臟協會指出,這項研究提出長期使用褪黑激素的安全疑問,但仍需要進一步研究確認。

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