The prognostic significance of human equilibrative nucleoside transporter1 (hENT1) expression in metastatic bladder cancer patients treated with gemcitabine-cisplatin based combination chemotherapy

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...

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Veröffentlicht in:Hinyokika kiyo. Acta urologica Japonica. - 1962. - 57(2011), 3 vom: 01. März, Seite 157-61
1. Verfasser: Matsumura, Nagahide (VerfasserIn)
Weitere Verfasser: Hara, Isao
Format: Aufsatz
Sprache:Japanese
Veröffentlicht: 2011
Zugriff auf das übergeordnete Werk:Hinyokika kiyo. Acta urologica Japonica
Schlagworte:English Abstract Journal Article Antimetabolites, Antineoplastic Antineoplastic Agents Equilibrative Nucleoside Transporter 1 SLC29A1 protein, human Deoxycytidine 0W860991D6 Cisplatin Q20Q21Q62J Gemcitabine
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245 1 4 |a The prognostic significance of human equilibrative nucleoside transporter1 (hENT1) expression in metastatic bladder cancer patients treated with gemcitabine-cisplatin based combination chemotherapy 
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520 |a 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 the Karnofsky 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 
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650 7 |a Cisplatin  |2 NLM 
650 7 |a Q20Q21Q62J  |2 NLM 
650 7 |a Gemcitabine  |2 NLM 
700 1 |a Hara, Isao  |e verfasserin  |4 aut 
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