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  5. 於接受Cisplatin或Carboplatin治療之肺癌病人運用基因及非基因因子進行腎毒性之多元分析
 
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於接受Cisplatin或Carboplatin治療之肺癌病人運用基因及非基因因子進行腎毒性之多元分析

Other Title
Multiple Analytical Approaches Demonstrate a Complex Relationship of Genetic and Nongenetic Factors with Cisplatin- or Carboplatin-induced Nephrotoxicity in Lung Cancer Patients
Type
thesis
Date Issued
2011-06-24
Author(s)
謝雨純
Advisor
陳香吟
Subjects
系所名稱:藥學研究所
Description
學位別:碩士
語文別:中文
指導教授:陳香吟
共同指導教授:
口試委員:邱弘毅;黃文鴻
中文關鍵字:cisplatin;carboplatin;腎毒性;基因多型性;CART
Abstract
Cisplatin及carboplatin是目前使用最廣泛的化學治療藥物,為許多固態腫瘤之第一線用藥。然而,腎毒性限制了這類藥物的使用,約有三分之一病人即使給予適當的輸液還是會發生。Cisplatin或carboplatin所引起腎毒性之機轉推測可能為多條路經交互作用之結果,這些路徑包括增加攝入細胞、腎毒性物質之形成、ROS過度累積、DNA修復能力受損及細胞凋亡。本研究一共納入116位接受cisplatin或carboplatin治療之肺癌病人,擬探討台灣族群的7 個基因共11個基因多型性(GSTPi A313G, TP53 G215C, UGT1A7 T387G, UGT1A7 T622C, NAT2 T481C, NAT2 G590A, NAT2 G857A, ERCC1 C118T, ERCC1 C8092A, ERCC4 T2505C and NQO1 C609T)與使用cisplatin及carboplatin引起腎毒性之關聯性,並建立腎毒性預測模型,尋找腎毒性之易感族群。本研究採Risk, Injury, Failure, Loss of function, End-stage renal disease(RIFLE)準則評估腎毒性之發生有無。並以classification and regression tree(CART)及Framingham study risk score建立腎毒性預測模型,探討基因與非基因因子,及其之間交互作用對腎毒性之重要性。結果發現在男性研究對象中,帶有TP53對偶基因者出現腎毒性風險較野生型顯著下降(OR =0.12, 95%CI 0.02-0.81)。此外,主要使用cisplatin治療之病人,帶有ERCC1 118T基因型亦有同樣趨勢(OR =0.14, 95%CI 0.03-0.72)。CART所建立之預測模型發現,主要使用cisplatin且Scr≦1mg/dL之病人,帶有TP53野生型或TP53 G對偶基因-ERCC1 C118T 野生型者為腎毒性之易感族群。此模型可預測63.0%腎毒性組、89.6%無腎毒性組。另一預測模型,腎毒性危險因子評估量表,顯示同時含有基因及非基因因子時,有最好預測性,評量表之最佳切點為12分,可預測64.3%腎毒性組、90.9%無腎毒性組。本研究顯示男性且帶有TP53 G對偶基因或使用cisplatin者帶有ERCC1 C118T C對偶基因可能為腎毒性之危險因子。累積治療次數及cisplatin累積給藥強度亦可能為腎毒性之危險因子。然而,基於臨床實用性考量,以CART預測模型較腎毒性危險因子評量表佳,以納入較少的因子達相近的預測力。
URI
https://203.71.86.71/handle/123456789/13682

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