
美國66歲男子安德魯斯接受基因編輯豬腎移植,存活271天無需洗腎,豬腎失功後順利等到人類捐贈腎臟完成第二次移植,成為全球首例以豬腎作為橋樑等待人類腎移植的成功案例,人類腎移植後六個月功能良好,未增加排斥風險。
AI-generated summary
安德魯斯因第二型糖尿病導致腎功能衰竭末期,五年內等到人類捐贈腎臟機率僅9%,死亡或被移出等候名單風險超過40%。
美國一名男子接受豬腎移植後,寫下長達9個月不需洗腎、靠豬腎存活的紀錄,儘管移植的豬腎後來失去功能,但這名男子已經順利等到人類捐贈腎臟並完成移植,是全球首例成功以豬腎作為等待器官移植「橋樑」。
英國衛報3日報導,去年1月66歲的美國男子安德魯斯(Tim Andrews),在麻州總醫院接受移植一顆經過基因編輯的豬腎,當時他因第二型糖尿病,導致腎功能衰竭已到末期,病情嚴重,5年內等到人類捐贈腎臟的機率僅9%,死亡或被移出移植等候名單的風險則超過40%。
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安德魯斯帶著這顆豬腎生活了271天,寫下接受豬腎異種移植後,不需洗腎存活最久的紀錄。他形容這次移植是「奇蹟」,讓他能恢復煮飯、吸地板等日常家務,還能帶狗長時間散步。
儘管該枚移植的豬腎因功能衰竭,已於去年10月取出,使安德魯斯得恢復洗腎,但是數月後,他終於等到一名已故捐贈者的腎臟。
3日在《刺胳針》(The Lancet)發表的報告指出,這次移植的人類腎臟,在追蹤6個月期間功能良好,也沒有發現對人類組織的新抗體,顯示先前接受移植豬腎,並未增加後續人類腎移植失敗的風險,也未檢出豬病毒或其他豬隻病原體。
發表報告的麻州總醫院布萊根醫療體系(Mass General Brigham)腎臟科及移植科學中心醫師里耶拉(Leonardo Riella)表示,醫療團隊的構想正是先利用異種移植,作為等待人類腎臟移植這段期間的「橋樑」,讓患者擺脫洗腎,未來若確認長期安全性及耐久性,甚至可能成為正式治療選項。
醫療團隊也提醒,目前僅此個案,並無可比較的案例,而且這項成果反映出嚴格挑選患者,和其他地方或許並非普遍可得的密集專門照護,未來還需要像安德魯斯這類的臨床試驗。不過,此成果為移植豬腎打開了一扇大門,使其成為等待人類腎臟移植漫長之路的過渡方案。
AI outlook — possibilities, not facts
若後續臨床試驗確認長期安全性,豬腎橋樑療法可能成為正式治療選項。
Likely · Within months
此案例將推動更多異種移植臨床試驗的啟動。
Very likely · Within months

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