ゲムシタビンとシスプラチンを含む併用化学療法を施行した転移性膀胱癌患者の生存に関するHuman equilibrative nucleoside transporter 1(hENT1) 発現の意義

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Systemic combination chemotherapy, such as the methotrexate, vinblastine, doxorubicin and cisplatin (MVAC) regimen, has shown certain activity in advanced bladder cancer, but is associated with a significant toxicity burden, with a treatment-related mortality of about 4%. Therefore, a great deal of interest has been focused on the gemcitabine-cisplatin (GC) combination chemotherapy which showed the same antitumor effect as MVAC chemotherapy with far less toxicity. Indeed, the GC regimen is now frequently administered as the first-line chemotherapy against metastatic bladder cancer. For the present, GC/MVAC regimens constitute alternative platform chemotherapy, until new evidence based strategy can be demonstrated. Accordingly it is important to be able to predict whether a regimen is effective in each patient with bladder cancer before the initiation of chemotherapy. Clinicopathological factors as theKarnofsky performance status and the presence of visceral metastases are well-established prognostic markers for poor survival. However, they are inadequate to predict the optimal therapeutic regimen for each individual patient. As for the predictive marker of cisplatin, ERCC1 may predict survival in bladder cancer treated by platinum-based therapy. The predictive potential of gemcitabine has not been previously considered in advanced bladder cancer treated by gemcitabine-combined systemic chemotherapy. In our retrospective study, the predictive value of a high expression level of hENT1 was assessed in bladder cancer treated by gemcitabine combined combination chemotherapy.
2011-03-31

ゲムシタビンとシスプラチンを含む併用化学療法を施行した転移性膀胱癌患者の生存に関するHuman equilibrative nucleoside transporter 1(hENT1) 発現の意義

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