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    Home»Blood Disorders»台湾首例:10岁血癌患者亭亭,接受 CAR-T细胞治疗完全康复
    Blood Disorders

    台湾首例:10岁血癌患者亭亭,接受 CAR-T细胞治疗完全康复

    Marie ChenBy Marie ChenJuly 21, 2022
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    car t
    via 三立iNEWS

    在2012年,美國小女孩Emily Whitehead成为了世界上第一位接受 CAR-T 細胞治療的急性淋巴性白血病 (Acute Lymphoblastic Leukaemia – ALL) 患兒。成功消除體內的癌細胞後,至今已過了十年,Emily的白血病也未再復發。 2022年7月14日,台大醫院公佈了首例「台版Emily」,女童亭亭!亭亭在6歲時确诊患有兒童B細胞急性淋巴性白血病。經歷了3年的化療,亭亭的癌症仍舊復發。 在2022年4月,她接受了CAR-T細胞治療,效果極好。院方宣佈亭亭體內已檢驗不到癌細胞,已完全康復。

    台大醫院小兒部血液腫瘤科主治醫師週獻堂表示,台灣每年大約有500件兒童癌症的病例,而約25%患有急性淋巴性白血病。在這些患者當中,約有15%的病例治療難度高。因治療反應不佳,導致癌症的復發率極高。

    以往的治療策略需要骨髓或異體造血幹細胞移植。但台大醫院小兒部主任李旺祚致詞時指出,即使患者找到了適合的捐贈者,仍需一生服用免疫抑製劑。長期以來,也可經受副作用或產生並發症。

    CAR T therapy
    Reyasingh56, CC BY-SA 4.0 <https://creativecommons.org/licenses/by-sa/4.0>, via Wikimedia Commons

    CAR-T細胞是“嵌合抗原受體T細胞(Chimeric Antigen Receptor T Cells)”的簡稱。先從病人體內取出T細胞,然後通過基因改造,將特定的嵌合抗原受體 (Antibody)基因整合到T細胞中。 T細胞表面將產生嵌合抗原受體。經過一段時間的精心培養和繁殖,醫生再把CAR-T細胞輸入患者體內。 CAR-T細胞以嵌合抗原受體來辨別並攻擊癌細胞表面的抗原(Antigen),避免攻擊健康的細胞。加上 CAR-T細胞是活細胞,能夠自行分裂複製。因此,患者接受治療時,通常只需要一次性的注射。

    根據美國公司 Kite Pharma 公佈的臨床試驗數據顯示,隨訪經過CAR-T細胞治療的淋巴癌 (Lymphoma)患者,患者兩年內的總緩解率為83% ,完全緩解率為58%。 CAR-T免疫細胞療法優於以往的治療方式 – 綜合化學免疫療法與自體幹細胞移植的無事件存活率为16%,而CAR-T細胞治療的無事件存活率为41% (這個臨床試驗是特别评估接受一線化學免疫治療後早期復發或難治性大 B 細胞淋巴瘤患者)。 CAR-T細胞治療確實給我們在癌症治療的道路上帶來了希望的光芒!

    (头图 via CNA Photos)

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    Marie Chen

    Marie is a licensed pharmacist by training with the Singapore Pharmacy Council. She also holds Personal Training and Sports Nutrition Certifications under the International Sports Sciences Association (ISSA). When not at work, she's probably working out or brushing up on the latest news and information in the realm of sports and fitness.

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