Abstract
Background and study aims
The optimal treatment modality for T1-2N0M0 duodenal neuroendocrine tumors (DNETs) is still controversial. In this study, long-term survival outcomes were compared between the endoscopic therapy and surgical therapy for T1-2N0M0 DNETs using the Surveillance, Epidemiology, and End Results (SEER) database.
Patients and methods
Patients with DNETs from the SEER database were selected from 2004 to 2015. We used the Kaplan–Meier method and log-rank test to compare long-term survival results between the endoscopic therapy and surgical therapy. An analysis of the multivariable Cox proportional hazards model was performed to identify risk factors for patient prognoses. The 1:1 propensity score matching (PSM) was performed to balance baseline data.
Results
A total of 816 patients with DNETs were included, of which 578 patients (70.8%) received endoscopic therapy and 238 patients (29.2%) received surgical therapy. Before the PSM, there was no difference between the two groups of patients with DNETs on long-term survival [5-year OS (86.1% vs. 87.9%, P = 0.45), 10-year OS (72.5% vs. 72.3%, P = 0.45)]. After adjusting covariates, we found endoscopic therapy and surgical therapy groups had comparable risks of overall survival (HR 0.86, 95% CI 0.60–1.23, P = 0.409) and cancer-specific survival (HR 1.68, 95% CI 0.74–3.83, P = 0.214). In the post-PSM analysis, there was no discernible difference between the endoscopic therapy and surgical therapy group.
Conclusions
Our study found that for T1-2N0M0 DNETs patients, whose long-term OS and CSS results were similar for the endoscopic and surgical therapy groups. For these patients, endoscopic resection might be an optimal therapy modality.
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Funding
The Foundation of Jiangxi provincial department of Science and Technology (Grant No. 20223BCG74011, PI: Youxiang Chen); This study was supported by Interdisciplinary Innovation Fund of Natural Science, NanChang University ( NCUIIF,Grant No.9167–27060003-YB2109, PI:Chunyan Zeng). All funders provided support to authors and paid the fee for statistical analysis.
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Zide Liu, Jiaxin Gao, Peng Wang, Fang Yin, Chunyan Zeng, Youxiang Chen have no conflicts of interest or financial ties to disclose.
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Liu, Z., Gao, J., Wang, P. et al. Comparable long-term survival outcomes of endoscopic therapy versus surgical therapy for T1-2N0M0 duodenal neuroendocrine tumors. Surg Endosc 37, 5444–5452 (2023). https://doi.org/10.1007/s00464-023-10019-8
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DOI: https://doi.org/10.1007/s00464-023-10019-8