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  • [Radiother Oncol] A phase II study of preoperative mFOLFOX6 with short-course radiotherapy in patients with locally advanced rectal cancer and liver-only metastasis.

    [Radiother Oncol] A phase II study of preoperative mFOLFOX6 with short-course radiotherapy in patients with locally advanced rectal cancer and liver-only metastasis.

    연세의대 / 김남규*, 금웅섭*

  • 출처
    Radiother Oncol
  • 등재일
    2016 Feb
  • 저널이슈번호
    118(2):369-74. doi: 10.1016/j.radonc.2015.11.029. Epub 2015 Dec 17.
  • 내용

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    Abstract

    BACKGROUND AND PURPOSE:

    To evaluate the efficacy and safety of upfront mFOLFOX6 followed by short-course radiotherapy (SCRT) and surgery in patients with locally advanced rectal cancer and liver-only metastases.

     

    MATERIALS AND METHODS:

    This single-arm phase II study involved 32 patients. mFOLFOX6 was administered for four cycles followed by SCRT and another four cycles of mFOLFOX6. Surgery was performed 4-6weeks after the last chemotherapy cycle. The primary endpoint was complete (R0) resection rate. Secondary endpoints were response rate, progression-free survival (PFS), overall survival (OS), and complication rates.


    RESULTS:

    Surgical resection of the rectum and liver was performed in 25 patients (78%) and R0 resection was achieved in 20 patients (63%). Local tumor downstaging was observed in 54% of patients. Median OS and PFS were 38 and 9months, respectively. One patient discontinued treatment due to toxicity and no treatment-related deaths occurred. Patients who progressed after 4 cycles of mFOLFOX6 were less likely to receive resection.

     

    CONCLUSIONS:

    This regimen was safe and effective in inducing local tumor response and achieving R0 resection in this patient population.

     

    Author information

    Kim KH1, Shin SJ2, Cho MS3, Ahn JB2, Jung M2, Kim TI4, Park YS5, Kim H6, Kim NK7, Koom WS8.

    1Department of Radiation Oncology, Yonsei Cancer Center, Yonsei University College of Medicine, Seoul, Republic of Korea.

    2Division of Medical Oncology, Department of Internal Medicine, Yonsei Cancer Center, Yonsei University College of Medicine, Seoul, Republic of Korea.

    3Division of Colorectal Surgery, Department of Surgery, Yonsei Cancer Center, Yonsei University College of Medicine, Seoul, Republic of Korea.

    4Division of Gastroenterology, Department of Internal Medicine, Yonsei Cancer Center, Yonsei University College of Medicine, Seoul, Republic of Korea.

    5Division of Hematology-Oncology, Department of Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea.

    6Department of Pathology, Yonsei University College of Medicine, Seoul, Republic of Korea.

    7Division of Colorectal Surgery, Department of Surgery, Yonsei Cancer Center, Yonsei University College of Medicine, Seoul, Republic of Korea. Electronic address: NAMKYUK@yuhs.ac.

    8Department of Radiation Oncology, Yonsei Cancer Center, Yonsei University College of Medicine, Seoul, Republic of Korea. Electronic address: mdgold@yuhs.ac. 

  • 키워드
    Chemotherapy; Metastasis; Rectal cancer; Short-course radiotherapy
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