期刊
CANCER MANAGEMENT AND RESEARCH
卷 13, 期 -, 页码 2567-2579出版社
DOVE MEDICAL PRESS LTD
DOI: 10.2147/CMAR.S262870
关键词
colorectal cancer; preoperative chemotherapy; perioperative chemotherapy; staging
类别
Neoadjuvant systemic therapy offers potential advantages in cancer treatment, but is not yet standard for colon cancer patients. Limitations include inaccurate staging, concerns about tumor progression during preoperative treatment, and a lack of randomized data demonstrating its benefits.
Neoadjuvant systemic therapy has many potential advantages over up-front surgery, including tumor downstaging, early treatment of micrometastatic disease, and providing an in vivo test of tumor biology. Due to these advantages, neoadjuvant therapy is becoming the standard of care for an increasing number of tumor types. Currently, colon cancer patients are still routinely treated with up-front surgery, and neoadjuvant systemic therapy is not yet standard. Limitations to widespread use of neoadjuvant therapy have included inaccurate radiological staging, concerns about tumor progression while undergoing preoperative treatment rendering a patient incurable, and a lack of randomized data demonstrating benefit. However, there is great interest in neoadjuvant chemotherapy, and a number of trials are under way. Early follow up of the first phase III trial of neoadjuvant chemotherapy for colon cancer demonstrated tumor downstaging and suggested an improvement in disease-free survival with neoadjuvant chemotherapy, and it is hoped that this will translate into longer-term overall survival benefit. Clinicians should closely watch this developing field, consider the option of neoadjuvant chemotherapy for colon cancer patients, and actively seek out opportunities for their patients to participate in ongoing clinical trials to further inform this field in future.
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