Eniluracil and Surgery in Treating Patients With Primary or Metastatic Colorectal Cancer

RATIONALE: Eniluracil may increase the effectiveness of chemotherapy by blocking tumor enzymes that break down chemotherapy drugs.
PURPOSE: Randomized phase II trial to determine the effectiveness of eniluracil followed by surgery in treating patients who have primary or metastatic colorectal cancer.

【研究依据】依尼拉西（Eniluracil）可通过阻断可降解化疗药物的肿瘤酶，提升化疗的临床疗效。
【试验目的】本研究为随机II期临床试验，旨在评估依尼拉西序贯手术方案治疗原发性或转移性结直肠癌患者的临床疗效。