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Adjuvant Modified FOLFIRINOX for Resected Pancreatic Adenocarcinoma (PDAC): Clinical Insights and Genomic Features from a Large Contemporary Cohort
Journal of the National Cancer Institute ( IF 9.9 ) Pub Date : 2024-10-24 , DOI: 10.1093/jnci/djae269
Fergus Keane, Catherine O’Connor, Drew Moss, Joanne F Chou, Maria A Perry, Fionnuala Crowley, Parima Saxena, Amelia Chan, Joshua D Schoenfeld, Anupriya Singhal, Wungki Park, Darren Cowzer, Emily Harrold, Anna M Varghese, Imane El Dika, Christopher Crane, James J Harding, Ghassan K Abou-Alfa, T Peter Kingham, Alice C Wei, Kenneth H Yu, Michael I D’Angelica, Vinod P Balachandran, Jeffrey Drebin, William R Jarnagin, Chaitanya Bandlamudi, David Kelsen, Marinela Capanu, Kevin C Soares, Fiyinfolu Balogun, Eileen M O’Reilly

Background Adjuvant mFOLFIRINOX (mFFX) is standard of care for fit individuals with resected pancreatic ductal adenocarcinoma (PDAC). There are limited data on adjuvant mFFX outcomes outside clinical trials. Methods Institutional databases queried to identify patients with resected PDAC who received ≥1 dose adjuvant mFFX. Primary endpoints: recurrence free survival (RFS), overall survival (OS). Secondary endpoints: clinical factors, genomic features associated with outcomes. RFS and OS were estimated with Kaplan-Meier. Cox proportional hazards regression model was used to associate clinico-genomic features correlated with survival outcomes. Results N = 147 identified between 01/2015–01/2023. Median age: 67 years; N = 57 (39%) >70 years. Unfavorable prognostic features: N = 52 (36%) N2 nodal status, N = 115 (78%) lymphovascular invasion), and N = 133 (90%) perineural invasion. Median time from surgery to start mFFX: 1.78 months (m) (IQR 1.45, 2.12). N = 124 (84%) completed 12 doses; N = 98 (67%) stopped oxaliplatin early for neuropathy (median 10 doses; range 4-12). Further dosing characteristics are summarized in Supplementary Table 3. With median follow up of 35.1 m, median RFS (mRFS) 26 m (95% CI 19, 39) and median OS (mOS) not reached. For >70 cohort, mRFS 23 m (95% CI 14, NR) and mOS 51 m (95% CI 37, NR). mFFX started <8 weeks from resection associated with improved RFS (HR 0.62; 95% CI 0.41, 0.96; p = .033) and OS (HR 0.53; 95% CI 0.3, 0.94; p = .030). KRAS mutation and whole genome doubling trended to shorter RFS and OS. Homologous recombination deficiency status did not confer improved survival outcomes. Conclusions Adjuvant mFFX is effective and tolerable in resected PDAC in a non-trial setting, including for patients >70 years.

中文翻译:


辅助改良 FOLFIRINOX 治疗切除的胰腺癌 (PDAC):来自大型当代队列的临床见解和基因组特征



背景 辅助 mFOLFIRINOX (mFFX) 是切除胰腺导管腺癌 (PDAC) 健康个体的标准护理。临床试验外关于辅助 mFFX 结局的数据有限。方法 查询机构数据库以确定接受 ≥1 剂量辅助 mFFX 的切除 PDAC 患者。主要终点:无复发生存期 (RFS)、总生存期 (OS)。次要终点:临床因素、与结果相关的基因组特征。RFS 和 OS 用 Kaplan-Meier 估计。使用 Cox 比例风险回归模型将临床基因组特征与生存结局相关联。结果 N = 147 在 2015 年 1 月至 2023 年 1 月之间确定。中位年龄:67 岁;N = 57 (39%) >70 年。不良预后特征:N = 52 (36%) N2 淋巴结状态,N = 115 (78%) 淋巴血管浸润)和 N = 133 (90%) 神经周围浸润。从手术开始 mFFX 的中位时间:1.78 个月 (m) (IQR 1.45, 2.12)。N = 124 (84%) 完成了 12 剂;N = 98 (67%) 因神经病变提前停止奥沙利铂 (中位剂量 10 剂;范围 4-12)。补充表 3 总结了进一步的剂量特性。中位随访 35.1 m,中位 RFS (mRFS) 26 m (95% CI 19, 39) 和中位 OS (mOS) 未达到。对于 >70 队列,mRFS 23 m (95% CI 14, NR) 和 mOS 51 m (95% CI 37, NR)。mFFX 从切除后 <8 周开始,与 RFS (HR 0.62;95% CI 0.41, 0.96;p = .033) 和 OS (HR 0.53;95% CI 0.3, 0.94;p = .030) 改善相关。KRAS 突变和全基因组加倍趋向于 RFS 和 OS 更短。同源重组缺陷状态并未改善生存结果。结论 辅助 mFFX 在非试验环境中对切除的 PDAC 有效且可耐受,包括对 >70 岁的患者。
更新日期:2024-10-24
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