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Molecular and Clinical Oncology
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International Journal of Molecular Medicine

International Journal of Molecular Medicine is an international journal devoted to molecular mechanisms of human disease.

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International Journal of Oncology is an international journal devoted to oncology research and cancer treatment.

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Oncology Reports is an international journal devoted to fundamental and applied research in Oncology.

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Experimental and Therapeutic Medicine is an international journal devoted to laboratory and clinical medicine.

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Oncology Letters is an international journal devoted to Experimental and Clinical Oncology.

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Article

Early response to neoadjuvant chemotherapy in advanced esophageal cancer evaluated by computed tomography predicts the utility of a second cycle of chemotherapy

  • Authors:
    • Masaaki Motoori
    • Masahiko Yano
    • Takushi Yasuda
    • Hiroshi Miyata
    • Yingfeng Peng
    • Makoto Yamasaki
    • Osamu Shiraishi
    • Koji Tanaka
    • Osamu Ishikawa
    • Hitoshi Shiozaki
    • Yuichiro Doki
  • View Affiliations / Copyright

    Affiliations: Department of Surgery, Osaka Medical Center for Cancer and Cardiovascular Diseases, Osaka 537-8511, Japan, Department of Surgery, School of Medicine, Kinki University, Osaka 589-8511, Japan, Department of Gastroenterological Surgery, Graduate School of Medicine, Osaka University, Osaka 565-0871, Japan
  • Pages: 521-526
    |
    Published online on: March 11, 2013
       https://doi.org/10.3892/mco.2013.89
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Abstract

Multi‑course neoadjuvant chemotherapy (NACT) followed by surgery is a promising treatment for advanced esophageal cancer. However, non-responders may continue to receive ineffective treatment, since there are no definitive criteria for early discontinuation of NACT. In this study, we analyzed 103 advanced esophageal cancer patients treated with 2 cycles of NACT followed by surgery. Patients with >20% decrease in the size of the primary tumor as evaluated by computed tomography (CT) following the first cycle of chemotherapy, were defined as early responders and the remainder as early non-responders. Clinicopathological factors and prognosis were compared between the 2 groups. The reduction rate of the second cycle and progression-free survival (PFS) of early non-responders were significantly worse than those of early responders (p=0.0001 and 0.0375, respectively). In addition, pathological T stage, pathological assessment of tumor regression and number of metastatic lymph nodes were significantly unfavorable in early non-responders (p=0.023, 0.007 and 0.0041, respectively). Among the clinical factors that were available prior to administration of the second cycle, clinical T3 stage and early non-responder status were the only independent unfavorable factors (p=0.028 and 0.0062, respectively). Patients with both unfavorable factors had a significantly poorer PFS compared to the remaining patients and a PFS similar to those who had both factors but received only 1 cycle of NACT. In conclusion, the reduction rate of the primary tumor as evaluated by CT following the first cycle of NACT, may aid physicians in determining whether to administer a second cycle. In early non‑responders bearing T3 tumors, NACT should be discontinued after the first cycle.
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Copy and paste a formatted citation
Spandidos Publications style
Motoori M, Yano M, Yasuda T, Miyata H, Peng Y, Yamasaki M, Shiraishi O, Tanaka K, Ishikawa O, Shiozaki H, Shiozaki H, et al: Early response to neoadjuvant chemotherapy in advanced esophageal cancer evaluated by computed tomography predicts the utility of a second cycle of chemotherapy. Mol Clin Oncol 1: 521-526, 2013.
APA
Motoori, M., Yano, M., Yasuda, T., Miyata, H., Peng, Y., Yamasaki, M. ... Doki, Y. (2013). Early response to neoadjuvant chemotherapy in advanced esophageal cancer evaluated by computed tomography predicts the utility of a second cycle of chemotherapy. Molecular and Clinical Oncology, 1, 521-526. https://doi.org/10.3892/mco.2013.89
MLA
Motoori, M., Yano, M., Yasuda, T., Miyata, H., Peng, Y., Yamasaki, M., Shiraishi, O., Tanaka, K., Ishikawa, O., Shiozaki, H., Doki, Y."Early response to neoadjuvant chemotherapy in advanced esophageal cancer evaluated by computed tomography predicts the utility of a second cycle of chemotherapy". Molecular and Clinical Oncology 1.3 (2013): 521-526.
Chicago
Motoori, M., Yano, M., Yasuda, T., Miyata, H., Peng, Y., Yamasaki, M., Shiraishi, O., Tanaka, K., Ishikawa, O., Shiozaki, H., Doki, Y."Early response to neoadjuvant chemotherapy in advanced esophageal cancer evaluated by computed tomography predicts the utility of a second cycle of chemotherapy". Molecular and Clinical Oncology 1, no. 3 (2013): 521-526. https://doi.org/10.3892/mco.2013.89
Copy and paste a formatted citation
x
Spandidos Publications style
Motoori M, Yano M, Yasuda T, Miyata H, Peng Y, Yamasaki M, Shiraishi O, Tanaka K, Ishikawa O, Shiozaki H, Shiozaki H, et al: Early response to neoadjuvant chemotherapy in advanced esophageal cancer evaluated by computed tomography predicts the utility of a second cycle of chemotherapy. Mol Clin Oncol 1: 521-526, 2013.
APA
Motoori, M., Yano, M., Yasuda, T., Miyata, H., Peng, Y., Yamasaki, M. ... Doki, Y. (2013). Early response to neoadjuvant chemotherapy in advanced esophageal cancer evaluated by computed tomography predicts the utility of a second cycle of chemotherapy. Molecular and Clinical Oncology, 1, 521-526. https://doi.org/10.3892/mco.2013.89
MLA
Motoori, M., Yano, M., Yasuda, T., Miyata, H., Peng, Y., Yamasaki, M., Shiraishi, O., Tanaka, K., Ishikawa, O., Shiozaki, H., Doki, Y."Early response to neoadjuvant chemotherapy in advanced esophageal cancer evaluated by computed tomography predicts the utility of a second cycle of chemotherapy". Molecular and Clinical Oncology 1.3 (2013): 521-526.
Chicago
Motoori, M., Yano, M., Yasuda, T., Miyata, H., Peng, Y., Yamasaki, M., Shiraishi, O., Tanaka, K., Ishikawa, O., Shiozaki, H., Doki, Y."Early response to neoadjuvant chemotherapy in advanced esophageal cancer evaluated by computed tomography predicts the utility of a second cycle of chemotherapy". Molecular and Clinical Oncology 1, no. 3 (2013): 521-526. https://doi.org/10.3892/mco.2013.89
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