Poorly differentiated histologic grade correlates with worse survival in SMAD4 negative pancreatic adenocarcinoma patients

被引：3

作者：

Park, Joon Y. ^{[1
]}

King, Jonathan ^{[1
]}

Reber, Howard ^{[1
]}

Joe Hines, Oscar ^{[1
]}

Mederos, Michael A. ^{[1
]}

Wang, Hanlin L. ^{[2
]}

Dawson, David ^{[2
]}

Wainberg, Zev ^{[3
]}

Donahue, Timothy ^{[1
]}

Girgis, Mark ^{[1
]}

机构：

[1] Univ Calif Los Angeles, David Geffen Sch Med, Dept Surg, Los Angeles, CA 90095 USA

[2] Univ Calif Los Angeles, David Geffen Sch Med, Dept Pathol, Los Angeles, CA 90095 USA

[3] Univ Calif Los Angeles, David Geffen Sch Med, Dept Med, Los Angeles, CA 90095 USA

来源：

JOURNAL OF SURGICAL ONCOLOGY | 2021年 / 123卷 / 02期

关键词：

carcinoma; cohort studies; pancreatic ductal; SMAD4; protein; transcription factors; DUCTAL ADENOCARCINOMA; CANCER; FAILURE; PATTERNS; PROGRESSION; PROGNOSIS;

D O I：

10.1002/jso.26279

中图分类号：

R73 [肿瘤学];

学科分类号：

100214 ;

摘要：

Background and Objectives This study investigated the influence of the transcription factor SMAD4 on overall patient survival following surgical resection of pancreatic ductal adenocarcinoma (PDAC). Methods The SMAD4 status of 125 surgically resected PDAC specimens at a large academic center from 2014 to 2017 was routinely determined prospectively and correlated with clinicopathologic characteristics and overall survival. Results SMAD4 loss was identified in 62% of patients and was not associated with overall survival (OS). On multivariate Cox proportional hazards survival analysis, histologic grade was the best predictor of survival in the SMAD4(-) population (adjusted hazard ratio = 4.8, p < .0001). In the SMAD4(+) population, histologic grade was not associated with survival on multivariate analysis. In the SMAD4(-) population, median OS for well/moderately differentiated patients and poorly differentiated patients was 39.6 and 8.6 months, respectively. Conclusion In this large cohort of resected PDAC, routine SMAD4 assessment identified a subpopulation of patients with SMAD4(-) and histologically poorly differentiated tumors that had significantly poor prognosis with median OS of 8.6 months. Characterization of the role of SMAD4 within the context of poorly differentiated tumors may help settle the controversy regarding SMAD4 in PDAC and lead to identification of personalized therapeutic strategies for subgroups of PDAC.

引用

页码：389 / 398

页数：10

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