Abstract
Purpose
To evaluate the rate and pattern of recurrences after neoadjuvant chemoradiotherapy (CRT) in esophageal cancer patients.
Methods
We described survival and differences in recurrences from a single center between neoadjuvant CRT (carboplatin/paclitaxel and 41.4 Gy) and surgery alone for the period 2000–2011. To reduce bias, we performed a propensity score matched analysis.
Results
A total of 204 patients were analyzed, 75 treated with neoadjuvant CRT and 129 with surgery alone. The pathologic response to neoadjuvant CRT was 69 % with a complete response rate of 25 %. After matching, baseline characteristics between the groups (both n = 75) were equally distributed. The 3- and 5-year disease-free survival was 53 and 42 % in the neoadjuvant CRT group compared with 24 and 18 % in the surgery-alone group (P = 0.011). After 3 and 5 years’ CRT, patients had an estimated locoregional recurrence-free survival of 83 and 73 % compared with 52 and 49 % in the surgery-alone group (P = 0.015). The distant recurrence-free survival was comparable in both groups. Locoregional recurrences were located less in the paraesophageal lymph nodes in the CRT group than in the surgery-alone group, 9 versus 21 %, respectively (P = 0.041). With respect to differences in distant recurrences, we observed more skeletal recurrences in the surgery-alone group compared to CRT, 12 versus 1 % (P = 0.009).
Conclusions
The neoadjuvant CRT regimen we used offers a significant improvement in outcome, with a different recurrence pattern compared with surgery alone. This effect is probably due to both the pathologic complete response and eradication of micrometastases in CRT group.
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Acknowledgment
Supported by GUIDE Postgraduate School of Medicine, University of Groningen. The authors thank Peter Nagle, MSc, for editorial services.
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Smit, J.K., Güler, S., Beukema, J.C. et al. Different Recurrence Pattern After Neoadjuvant Chemoradiotherapy Compared to Surgery Alone in Esophageal Cancer Patients. Ann Surg Oncol 20, 4008–4015 (2013). https://doi.org/10.1245/s10434-013-3102-7
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DOI: https://doi.org/10.1245/s10434-013-3102-7