The Radical Extent of lymphadenectomy — D2 dissection versus complete mesocolic excision of LAparoscopic Right Colectomy for right-sided colon cancer (RELARC) trial: study protocol for a randomized controlled trial

Table 1 Schedule of enrollment, intervention, and assessments for the RELARC trial

	Study period
	Enrollment	Allocation	Post-allocation								Close-out
Timepoint	–2 weeks	0	Surgery	4 months	8 months	1 year	16 months	20 months	2 years	30 months	3 years
Enrollment:
Eligibility screen	X
Informed consent	X
Allocation		X
Interventions:
Laparoscopic D2 operation			X
Laparoscopic CME operation			X
Assessments:
Disease-free survival				X	X	X	X	X	X	X	X
Overall survival				X	X	X	X	X	X	X	X
Postoperative complication			X
Perioperative mortality			X
Central lymph node assessment			X

ISSN: 1745-6215