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Prospective study of oncologic outcomes after laparoscopic modified complete mesocolic excision for non-metastatic right colon cancer (PIONEER study): study protocol of a multicentre single-arm trial

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Authors

Yang, Seung Y; Kim, Min J; Kye, Bong-Hyeon; Han, Yoon D; Cho, Min S; Jeong, Seung-Yong; Cho, Hyeon-Min; Kim, Hyunki; Kang, Gyeong H; Song, Seung H; Park, Jun S; Kim, Ji-Seon; Park, Soo Y; Kim, Jin; Min, Byung S

Issue Date
2020-07-14
Citation
BMC Cancer. 2020 Jul 14;20(1):657
Abstract
Abstract

Background
The introduction of complete mesocolic excision (CME) with central vascular ligation (CVL) for right-sided colon cancer has improved the oncologic outcomes. Recently, we have introduced a modified CME (mCME) procedure that keeps the same principles as the originally described CME but with a more tailored approach. Some retrospective studies have reported the favourable oncologic outcomes of laparoscopic mCME for right-sided colon cancer; however, no prospective multicentre study has yet been conducted.


Methods
This study is a multi-institutional, prospective, single-arm study evaluating the oncologic outcomes of laparoscopic mCME for adenocarcinoma arising from the right side of the colon. A total of 250 patients will be recruited from five tertiary referral centres in South Korea. The primary outcome of this study is 3-year disease-free survival. Secondary outcome measures include 3-year overall survival, incidence of surgical complications, completeness of mCME, and distribution of metastatic lymph nodes. The quality of laparoscopic mCME will be assessed on the basis of photographs of the surgical specimen and the operation field after the completion of lymph node dissection.


Discussion
This is a prospective multicentre study to evaluate the oncologic outcomes of laparoscopic mCME for right-sided colon cancer. To the best of our knowledge, this will be the first study to prospectively and objectively assess the quality of laparoscopic mCME. The results will provide more evidence about oncologic outcomes with respect to the quality of laparoscopic mCME in right-sided colon cancer.


Trial registration
ClinicalTrials.gov ID:
NCT03992599

(June 20, 2019). The posted information will be updated as needed to reflect protocol amendments and study progress.
URI
https://doi.org/10.1186/s12885-020-07151-2

https://hdl.handle.net/10371/168843
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