
一項英國臨床試驗追蹤32名具特定基因特徵的第2或第3期大腸癌患者,發現術前接受免疫療法後,追蹤33個月均未出現癌症復發。
英國倫敦大學學院等團隊進行的NEOPRISM-CRC臨床試驗顯示,32名具特定基因特徵(dMMR或MSI-H)的第2或第3期大腸癌患者,在術前接受免疫療法(帕博利珠單抗)後,追蹤33個月均未復發。
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NEOPRISM-CRC臨床試驗由英國倫敦大學學院及倫敦大學學院醫院研究團隊進行。
大腸構造立體模型,可見結腸、直腸及腸道內部構造。英國一項臨床試驗追蹤32名具有特定基因特徵的第2或第3期大腸癌患者,發現患者術前接受免疫療法後,追蹤33個月均未出現癌症復發。
大腸癌治療出現值得關注的研究結果!一項臨床試驗讓32名第2或第3期大腸癌患者在手術前接受免疫療法,追蹤33個月後,沒有人出現癌症復發。不過,這些患者都具有特定基因特徵,研究結果還不能直接套用到所有大腸癌患者身上。
根據科學網站《Science Daily》報導,這項名為NEOPRISM-CRC的臨床試驗由英國倫敦大學學院(UCL)及倫敦大學學院醫院(UCLH)研究團隊進行。研究成果於2026年美國癌症研究協會(AACR)年會發表,研究人員持續追蹤患者,觀察治療後癌症是否復發。
這32名患者的腫瘤具有特定基因特徵,分別是「錯配修復功能缺陷」(dMMR)或「微衛星高度不穩定」(MSI-H)。簡單來說,這些腫瘤的DNA修復機制出現異常。這類基因特徵與免疫療法的治療反應有關,因此是研究選擇患者的重要條件。
手術前先接受免疫治療
試驗中的患者在手術前接受最多9週的免疫療法,使用的藥物是帕博利珠單抗(pembrolizumab)。這類藥物能協助免疫系統辨識並攻擊癌細胞。完成術前治療後,患者仍接受手術,研究團隊再追蹤後續病情。
研究結果顯示,追蹤33個月後,32名患者都沒有出現癌症復發。這項結果讓研究人員得以進一步觀察,術前免疫治療對這類具有特定基因特徵的大腸癌患者,是否能帶來持續的治療效果。
研究團隊也檢測患者血液中的腫瘤DNA,觀察治療後是否仍能測到癌細胞留下的遺傳物質。這類檢測有機會協助研究人員了解治療反應,但能否用來判斷患者是否需要進一步治療,仍須更多研究確認。
不過,這項研究最重要的限制是僅有32名患者參與,且全數具備特定基因特徵。即使追蹤期間無人復發,也不能據此認定適用所有大腸癌患者或已達治癒效果,後續仍須大型試驗確認其療效與安全性。
AI outlook — possibilities, not facts
需進行大型試驗確認其療效與安全性
Likely · Within months

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