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Correlative Analysis of ATM, RB1, ERCC2, and FANCC Mutations and Pathologic Complete Response After Neoadjuvant Chemotherapy in Patients with Muscle-invasive Bladder Cancer: Results from the SWOG S1314 Trial
European Urology ( IF 25.3 ) Pub Date : 2024-07-14 , DOI: 10.1016/j.eururo.2024.06.018
Elizabeth R Plimack 1 , Catherine Tangen 2 , Melissa Plets 3 , Rutika Kokate 1 , Joanne Xiu 4 , Chadi Nabhan 4 , Eric A Ross 1 , Erin Grundy 5 , Woonyoung Choi 6 , Colin P N Dinney 7 , I-Ling C Lee 7 , Megan Fong 6 , M Scott Lucia 8 , Siamak Daneshmand 9 , Dan Theodorescu 10 , Amir Goldkorn 11 , Seth P Lerner 12 , Thomas W Flaig 8 , David J McConkey 6
Affiliation  

We previously reported that tumors harboring any one of four gene mutations (ATM, RB1, FANCC, or ERCC2) were likely to respond to neoadjuvant cisplatin-based chemotherapy (NAC), resulting in cancer-free surgical specimens at the time of cystectomy (pT0). Here, we report our validation of this finding. Using the CARIS 592 Gene Panel (Caris Life Sciences, Phoenix, AZ, USA), we analyzed 105 pre-NAC tumor specimens from a large multicenter trial (S1314) of either neoadjuvant gemcitabine and cisplatin (GC), or dose-dense methotrexate, vinblastine, Adriamycin, and cisplatin (DDMVAC). We found that a mutation in any one of these four genes predicted for pT0 at surgery (odds ratio = 5.36; 95% confidence interval [CI] 2.05, 14.02; two-sided p = 0.0006). The biomarker was better at predicting the presence of disease (negative predictive value for pT0 86%; 95% CI 73%, 94%) than the absence of disease (positive predictive value for pT0 48%; 95% CI 35%, 62%). There was no evidence of an interaction between the treatment arm (DDMVAC vs GC) and the genetic variant in terms of pT0. When combined with clinical assessment, these findings help inform patient selection for bladder preservation after cisplatin-based chemotherapy.

中文翻译:


肌层浸润性膀胱癌患者新辅助化疗后 ATM、RB1、ERCC2 和 FANCC 突变与病理完全反应的相关性分析:SWOG S1314 试验结果



我们之前报道过,携带四种基因突变 (ATMRB1 、 FANCCERCC2) 中任何一种的肿瘤可能对基于顺铂的新辅助化疗 (NAC) 有反应,导致在膀胱切除术时 (pT0) 无癌手术标本。在这里,我们报告了我们对这一发现的验证。使用 CARIS 592 基因面板 (Caris Life Sciences, Phoenix, AZ, USA),我们分析了来自新辅助吉西他滨和顺铂 (GC) 或剂量密集的甲氨蝶呤、长春碱、阿霉素和顺铂 (DDMVAC) 的大型多中心试验 (S1314) 的 105 例 NAC 前肿瘤标本。我们发现,这四个基因中的任何一个突变都预测了手术中 pT0 (比值比 = 5.36;95% 置信区间 [CI] 2.05、14.02;双侧 p = 0.0006)。生物标志物更能预测疾病的存在(pT0 的阴性预测值 86%;95% CI 73%,94%)比无疾病(pT0 的阳性预测值 48%;95% CI 35%,62%)更好。没有证据表明治疗组 (DDMVAC vs GC) 与 pT0 的遗传变异之间存在相互作用。当与临床评估相结合时,这些发现有助于为患者在以顺铂为基础的化疗后选择保留膀胱提供信息。
更新日期:2024-07-14
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