Utility of Radiation After Neoadjuvant Chemotherapy for Surgically Resectable Esophageal Cancer
Introduction Neoadjuvant chemotherapy (NAC) ± radiation (NRT) is the “gold standard” approach for locally advanced esophageal cancer (EC). However, the benefits of RT on overall survival (OS) in patients with resectable EC undergoing neoadjuvant therapy followed by esophagectomy remain controversial...
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Veröffentlicht in: | Annals of surgical oncology 2020-03, Vol.27 (3), p.662-670 |
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Sprache: | eng |
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Zusammenfassung: | Introduction
Neoadjuvant chemotherapy (NAC) ± radiation (NRT) is the “gold standard” approach for locally advanced esophageal cancer (EC). However, the benefits of RT on overall survival (OS) in patients with resectable EC undergoing neoadjuvant therapy followed by esophagectomy remain controversial.
Methods
The National Cancer Data Base was queried for patients with nonmetastatic EC between 2004 and 2014. Kaplan–Meier, log-rank, and Cox multivariable regression analysis were performed to analyze OS. Logistic regression analyzed factors associated with 90-day mortality, lymph node involvement, and complete pathological response (pCR).
Results
A total of 12,238 EC patients who underwent neoadjuvant therapy [neoadjuvant chemoradiation (NACR), 92.1% and NAC, 7.9%] followed by esophagectomy were included. OS was similar in patients undergoing NAC ± RT (35.9 vs. 37.6 mo, respectively,
p
= 0.393). pCR rate was 18.1% (19.2%, NACR vs. 6.3%, NAC,
p
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ISSN: | 1068-9265 1534-4681 |
DOI: | 10.1245/s10434-019-07788-9 |