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KMID : 0614620090540060355
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Korean Journal of Gastroenterology
2009 Volume.54 No. 6 p.355 ~ p.363
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Chemotherapy for Colorectal Cancer
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Hong Yong-Sang
Kim Tae-Won
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Abstract
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Recent advances in chemotherapy lead to improved survival outcomes in patients with colorectal cancer. The 5-fluorouracil (5-FU) is still one of the important chemotherapeutic agents since 1950s, but the introduction of newer cytotoxic agents, irinotecan and oxaliplatin, or targeted agents, bevacizumab and cetuximab, have changed treatment strategies for these patients. A deliberate choice should be made for adjuvant chemotherapy, because it has became complicated more than ever before. Oxaliplatin plus 5-FU seemed to be superior in terms of disease-free and overall survival than 5-FU alone after curative surgery for colon cancers. However not all of these patients seemed to receive benefit from this intensive adjuvant treatment, and some limitations are present according to the postoperative stage, tumor biology and clinical characteristics. For metastatic disease, there is no doubt that more complicated strategies are present because we have more abundant chemotherapeutic agents available for metastatic setting compared to adjuvant setting. Recently, targeted agents, such as bevacizumab or cetuximab, also took an important place in the treatment of metastatic colorectal cancer, and many efforts are also made to find the biomarkers for predicting treatment responses to these targeted agents. In this review, we intended to sort up the standard strategies of chemotherapy for patients with colorectal cancer according to the latest pivotal publications.
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KEYWORD
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Colorectal cancer, Chemotherapy, Targeted agents
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