臨牀消化器内科 Vol.26 No.13(2-2)


特集名 肝門部〜肝内胆管癌
題名 肝門部胆管癌 (2) 治療 e.化学療法
発刊年月 2011年 12月
著者 古瀬 純司 杏林大学医学部内科学腫瘍内科
著者 高須 充子 杏林大学医学部内科学腫瘍内科
著者 北村 浩 杏林大学医学部内科学腫瘍内科
著者 春日 章良 杏林大学医学部内科学腫瘍内科
著者 長島 文夫 杏林大学医学部内科学腫瘍内科
【 要旨 】 肝門部胆管癌を含む切除不能胆道癌の化学療法は,ランダム化比較試験の結果,ゲムシタビン+シスプラチン併用療法が標準治療として位置づけられている.さらに,ゲムシタビン+S-1併用療法でも良好な成績が示唆されている.また,分子標的治療や2次治療の開発,確立が今後の課題となっている.胆道癌のなかでも肝門部胆管癌は広範囲の胆管閉塞による胆管炎や黄疸のコントロールが重要である.とくに化学療法中は骨髄抑制などの副作用からステントの閉塞に伴う胆管炎の重症化も懸念され,発熱,黄疸,腹痛などの際には迅速な対応が求められる.肝門部胆管癌では術後再発を高率に認め,有効な術後補助療法が必要であるが,これまで大規模な臨床試験に基づく治療法は確立していない.
Theme Hilar and Intrahepatic Cholangiocarcinoma
Title Chemotherapy for Hilar Cholangiocarcinoma
Author Junji Furuse Department of Internal Medicine, Medical Oncology, Kyorin University School of Medicine
Author Atsuko Takasu Department of Internal Medicine, Medical Oncology, Kyorin University School of Medicine
Author Hiroshi Kitamura Department of Internal Medicine, Medical Oncology, Kyorin University School of Medicine
Author Akiyoshi Kasuga Department of Internal Medicine, Medical Oncology, Kyorin University School of Medicine
Author Fumio Nagashima Department of Internal Medicine, Medical Oncology, Kyorin University School of Medicine
[ Summary ] Based on results of randomized clinical trials, a combination of gemcitabine and cisplatin has been recognized as a standard therapy for unresectable biliary tract cancer including hilar cholangiocarcinoma. The combination of gemcitabine plus S-1 is also expected to exhibit promising results in combating biliary tract cancer. Although second line chemotherapy is necessary to improve survival rates, no standard therapy has been established. Molecular targeted therapy is also expected to be applied for biliary tract cancer. Targeted agents are currently under investigation. Jaundice and cholangitis develop due to extensive stenosis of the bile duct. The intrahepatic bile duct is especially affected in patients with hilar cholangiocarcinoma. It is necessary to treat emergent cholangitis and/or obstruction of biliary stents. This is especially so during chemotherapy because of bone marrow suppression. Since recurrence develops frequently even after curative surgery in hilar cholangiocarcinoma patients, adjuvant chemotherapy is vital. Large randomized clinical trials comparing forms of chemotherapy in clinical settings are currently being carried out.
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