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BackExperimental Drug Helps Immune System Re-identify Cancer Cells in Early Trials
Experimental Drug Helps Immune System Re-identify Cancer Cells in Early Trials
Developing
自由时报6/2/2026Health2 min readChina

Experimental Drug Helps Immune System Re-identify Cancer Cells in Early Trials

Quick Look

  • A new experimental drug in a UK clinical trial aims to remove the "invisibility cloak" that cancer cells use to hide from the immune system.
  • In early trials with 83 late-stage cancer patients, some saw significant tumor shrinkage, suggesting a new direction for cancer immunotherapy.

AI-generated summary

Why It Matters

Cancer cells are difficult to eliminate because they can evade the immune system's detection, appearing as if they are wearing an "invisibility cloak." A new experimental drug aims to remove this disguise, allowing the immune system to re-identify and attack tumors.

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圖為免疫細胞攻擊癌細胞示意畫面。英國最新研究嘗試解除癌細胞躲避免疫系統辨識的機制,協助人體重新發現並攻擊腫瘤。(圖取自Freepik)

〔編譯陳成良/綜合報導〕癌細胞之所以難以消滅,其中一個原因是它們能躲避免疫系統偵測,彷彿披上一層「隱形斗篷」。英國最新一期臨床試驗顯示,一款實驗性新藥可解除癌細胞的偽裝,幫助免疫系統重新辨識目標。在83名晚期癌症患者的早期試驗中,部分患者腫瘤明顯縮小,研究團隊認為這項策略有望成為未來癌症免疫治療的新方向。

根據《衛報》報導,這款由英國生技公司開發的實驗性藥物,主要作用是抑制一種名為ERAP1的蛋白質。研究人員指出,部分癌細胞會利用這套機制降低自身被免疫系統辨識的機率,如同披上一層「隱形斗篷」。新藥則試圖移除這層偽裝,讓人體免疫細胞重新發現並攻擊癌細胞。

研究團隊表示,這種治療策略並非直接毒殺癌細胞,而是協助患者自身免疫系統恢復辨識能力,因此被視為免疫治療領域的新嘗試。

83名患者參與試驗 涵蓋肺癌、大腸癌等6種癌症

這項一期臨床試驗共納入83名晚期癌症患者,涵蓋肺癌、大腸癌、肝癌、膀胱癌、子宮頸癌及頭頸癌等多種癌別。這些患者大多已接受過其他治療,但病情仍持續惡化。研究結果顯示,在接受新藥合併免疫療法治療後,部分患者腫瘤縮小超過30%,另有部分患者病情獲得控制。研究團隊指出,這顯示解除癌細胞偽裝的策略可能有助提升免疫治療效果。

不過研究人員也強調,這仍是一項以安全性與劑量評估為主的一期試驗,樣本數有限,現階段尚無法證明新藥已具備改變癌症治療標準的效果。後續仍需進行更大規模的二期與三期臨床試驗,以確認療效是否能在更多患者身上重現。

專家指出,研究結果雖令人鼓舞,但距離正式上市及廣泛應用仍有一段路要走。目前最重要的意義,在於提供一種全新的免疫治療思路:不是直接攻擊癌細胞,而是讓免疫系統重新「看見」它們。

What to Watch

AI outlook — possibilities, not facts

  • Further clinical trials (Phase II and III) will be conducted to confirm efficacy and safety.

    Very likely · Within months

  • The drug may become a new direction for cancer immunotherapy.

    Likely · Within years

Open Questions

  • What are the long-term side effects of the experimental drug?
  • How effective is the drug in combination with other cancer treatments?
  • Will larger trials confirm the positive results seen in this early-stage study?
  • What is the specific mechanism by which ERAP1 contributes to immune evasion?

Related Topics

This article was originally published by 自由时报.

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