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BackGLP-1受體促效劑使用者指甲異常比例顯著升高
GLP-1受體促效劑使用者指甲異常比例顯著升高
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自由时报1 hour agoHealth2 min readChinaView translation

GLP-1受體促效劑使用者指甲異常比例顯著升高

Quick Look

義大利博洛尼亞大學皮膚科團隊在歐洲皮膚科暨性病學會2026年會報告,使用GLP-1受體促效劑者有39%回報指甲剝離,對照組僅9%;66%至少回報一種指甲異常,頭皮也出現掉髮與發紅等問題,但研究僅顯示關聯而非因果關係。

AI-generated summary

Why It Matters

GLP-1受體促效劑常用於治療肥胖與第2型糖尿病,近年來因減重效果顯著而使用廣泛,但副作用報告逐漸增加。

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2026/10/04 11:28

圖為GLP-1類藥物施打情境。最新研究發現,使用者回報指甲剝離與變色的比例較高(資料照)

〔編譯陳成良/綜合報導〕瘦瘦針除了可能出現掉髮,指甲也可能出現異常。最新跨國研究發現,使用GLP-1受體促效劑的人,有39%回報出現指甲剝離,也就是指甲與甲床分開,對照組僅9%,差距超過4倍。

醫療新聞網站《MedicalXpress》報導,這項研究由義大利博洛尼亞大學(University of Bologna)皮膚科團隊等研究人員進行,並於歐洲皮膚科暨性病學會(EADV)2026年會發表。研究比較575名GLP-1受體促效劑使用者與1329名從未使用這類藥物、但有肥胖或第2型糖尿病的人,受試者來自法國、美國、巴西及墨西哥。

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使用者中有66%至少回報1種指甲異常,對照組為53%;除了指甲剝離,指甲變色也較常見,比例為46%,對照組則為17%。研究人員進一步比較曾減重的受試者,兩組差異仍存在,顯示體重下降本身似乎不足以解釋所有指甲變化。

頭皮也出現變化

同批受試者的另一項研究則發現,GLP-1使用者回報異常掉髮的比例為50%,對照組為34%;頭髮量或密度下降則為42%對19%。部分患者還出現頭皮發紅、搔癢或脫屑,研究人員因此進一步觀察頭皮發炎是否與這些變化有關。

不過,這項研究只能確認兩者存在關聯,不能證明GLP-1藥物直接造成指甲異常。約半數使用者表示開始治療前就已有指甲問題;研究調整皮膚疾病與營養缺乏等因素後,部分關聯也變弱,但指甲剝離與變色仍約為對照組的2至3倍。

研究採橫斷面設計,且症狀主要由患者自行回報,目前尚非隨機對照臨床試驗。研究團隊計畫從患者開始使用GLP-1藥物時就進行追蹤,透過標準化皮膚科檢查及生物監測,進一步確認這些變化何時出現、可能原因及是否會恢復。

What to Watch

AI outlook — possibilities, not facts

  • 研究團隊將啟動縱向追蹤研究,以觀察GLP-1使用者指甲與頭皮變化的時間序列與可逆性。

    Likely · Within months

Open Questions

  • 指甲異常是否為藥物直接副作用?
  • 頭皮問題與指甲異常是否共享共同機制?
  • 長期使用後指甲與頭皮狀況是否可逆?
  • 不同國家或族群的反應是否存在差異?

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This article was originally published by 自由时报.

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