• J. Exp. Clin. Cancer Res. · Sep 2006

    Comparative Study

    Incomplete operative removal of colorectal liver metastases followed by chemotherapy decreases survival in comparison to chemotherapy alone.

    • I P Popov, M Milicevic, D Kecmanovic, Z Tomasevic, Lj Radosevic-Jelic, N Borojevic, M T Micev, and I Kezic.
    • Department of Medical Oncology, Institute for Oncology and Radiology of Serbia, Belgrade. ipopov@ncrc.ac.yu
    • J. Exp. Clin. Cancer Res. 2006 Sep 1;25(3):313-9.

    AbstractMetastatic colorectal carcinoma (CRC) has an inevitable fatal outcome except in a small percentage of selected patients, approximately 10-20%, with good prognosis after successful complete operative removal of the liver metastases. In patients not eligible for surgical resection of the liver metastases, chemotherapy is currently the only widely available treatment option. Controversy still exists about the criteria for operability of CRC liver metastases, and some patients, still undergo ineffective, i.e. unnecessary surgery. The aim of this paper is to analyse and compare the overall survival (OS) and time to progression (TTP) in patients who underwent incomplete removal of liver CRC metastases followed by chemotherapy, and patients treated with chemotherapy alone. Seventy-three patients with CRC liver metastases underwent incomplete operative removal of the metastases followed by FOLFIRI (Cohort A - 27 patients) or with FOLFIRI alone (Cohort B - 46 patients). Patients received FOLFIRI until progression. FOLFOX4 was used as second line chemotherapy. The median OS in Cohort A was 8 months, the median TTP was 5 months, and the response rate was 44%; the median OS in Cohort B was 19 months, the median TTP was 8m, and the response rate was 39%. There was a significant difference in OS and in TTP (p < 0.01) in favour of the chemotherapy alone group (B). Patients undergoing incomplete removal of the liver metastases had shorter survival and TTP in comparison with patients treated with chemotherapy alone.

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