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Trials. 2019 Jun 10;20(1):346. doi: 10.1186/s13063-019-3441-1.

Robotic-assisted Esophagectomy vs Video-Assisted Thoracoscopic Esophagectomy (REVATE): study protocol for a randomized controlled trial.

Author information

1
Division of Thoracic Surgery, Chang Gung Memorial Hospital-Linko, Chang Gung University, Taoyuan, Taiwan. chaoyk@cgmh.org.tw.
2
Division of Thoracic Surgery Shanghai Chest Hospital, Shanghai, China.
3
Clinical Informatics and Medical Statistics Research Center Chang Gung University, Taoyuan, Taiwan.
4
Department of Thoracic and Cardiovascular Surgery, Yonsei University College of Medicine, Seoul, Republic of Korea.
5
School of Nursing, Chang Gung University, Taoyuan, Taiwan.
6
Department of Surgery, University Medical Center Utrecht, Utrecht, the Netherlands.

Abstract

BACKGROUND:

Radical lymph node dissection (LND) along the left recurrent laryngeal nerve (RLN) is surgically demanding and can be associated with substantial postoperative morbidity. The question of whether robot-assisted esophagectomy (RE) might be superior to video-assisted thoracoscopic esophagectomy (VATE) for performing LND along the RLN in patients with esophageal squamous cell carcinoma (ESCC) remains open.

METHODS/DESIGN:

We will conduct a multicenter, open-label, randomized controlled trial (Robotic-assisted Esophagectomy vs Video-Assisted Thoracoscopic Esophagectomy (REVATE)) enrolling patients with ESCC scheduled to undergo LND along the RLN. Patients will be randomly assigned to either RE or VATE. The primary outcome measure will be the rate of unsuccessful LND along the left RLN, which will be defined as: failure to remove lymph nodes along the left RLN (i.e., no identifiable nodes on pathology reports); or occurrence of permanent (duration > 6 months) left RLN palsy following LND. Secondary outcomes will include the number of successfully removed RLN nodes, postoperative recovery, length of hospital stay, 30-day and 90-day mortality, quality of life, and oncological outcomes.

DISCUSSION:

The REVATE study provides an opportunity to explore whether RE could facilitate LND along the left RLN-a complex surgical procedure that, as of now and with the use of VATE, remains difficult to perform and associated with a significant burden of morbidity.

TRIAL REGISTRATION:

ClinicalTrials.gov, NCT03713749 . Registered on 22 October 2018.

KEYWORDS:

Esophageal cancer; Lymph node dissection; Recurrent laryngeal nerve; Robotic esophagectomy; Thoracoscopic esophagectomy

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