To standardize the surgery for advanced right hemi colon cancer with laparoscopy and investigate whether extended lymphadenectomy (CME) could improve disease-free survival in patients with right colon cancer, compared with D3 radical operation in laparoscopic colectomy.
- Study Type: Interventional
- Study Design
- Allocation: Randomized
- Intervention Model: Parallel Assignment
- Primary Purpose: Treatment
- Masking: Double (Participant, Outcomes Assessor)
- Study Primary Completion Date: January 2020
- Procedure: CME
- the group underwent laparoscopic right hemicolectomy with CME. In CME group, in addition to D2 dissection, the whole mesocolon, from ascending colon to right half transverse colon, as well as the central lymph nodes should be entirely removed. Intervention: Procedure: Complete mesocolic excision (CME)
- Procedure: D3
- the group underwent laparoscopic right hemicolectomy with D3 lymph node dissection. In D3 group, the mesocolon should be removed and the dissection involves the paracolon and intermediate lymph nodes,including No.6 lymph node, which along the feeding vessels. Intervention: Procedure: D3 radical operation
Arms, Groups and Cohorts
- Experimental: Complete Mesocolic Excision
- the group underwent laparoscopic right hemicolectomy with CME. In complete mesocolic excision group (CME), the dissecting extent includes the lymphatic and fat tissues surrounding the root of ascending mesocolon, which situated on the surface of superior mesenteric vein, and the root of right half of transverse mesocolon, which situated on the surface of pancreas neck.
- Active Comparator: D3 lymph node dissection
- the group underwent laparoscopic right hemicolectomy with D3 lymph node dissection. In D3 lymph node dissection group(D3), the lymph node dissection is based on ligating the supplying vessels close to the right-side of superior mesenteric vein and clean up the surrounding lymph node and adipose tissue. No.6 lymph node should be dissected in this group.
Clinical Trial Outcome Measures
- Disease-free survival
- Time Frame: 3 years
- The rate of postoperative complications and mortality
- Time Frame: 30 days
- 3 years overall survival
- Time Frame: 3 years
- The rate of local and distant recurrence
- Time Frame: 3 years
- The accuracy of preoperative staging with CT
- Time Frame: 14 days
Participating in This Clinical Trial
1. Patients suitable for curative surgery 18-75years old 2. Qualitative diagnosis: a pathological diagnosis of adenocarcinoma; 3. Localization diagnosis: the tumor located between the cecum and the right 1/3 of transverse colon; 4. Enhanced CT scan of chest, abdominal and pelvic cavity: assessment of tumor stage is T stage 1-4 and N stage 0-2; there is no distant metastasis. 5. Informed consent Exclusion Criteria:
1. Simultaneous or simultaneous multiple primary colorectal cancer; 2. Preoperative imaging examination results show: (1) Tumor involves the surrounding organs and combined organ resection need to be done; (2)distant metastasis; (3)unable to perform R0 resection; 3. History of any other malignant tumor in recent 5 years; 4. Patients need emergency operation; 5. Not suitable for laparoscopic surgery; 6. Women during Pregnancy or breast feeding period; 7. Informed consent refusal
Gender Eligibility: All
Minimum Age: 18 Years
Maximum Age: 75 Years
Are Healthy Volunteers Accepted: No
- Lead Sponsor
- Ruijin Hospital
- Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine
- Provider of Information About this Clinical Study
- Principal Investigator: Minhua Zheng, professor – Ruijin Hospital
- Overall Official(s)
- Minhua Zheng, PhD, Study Director, Ruijin Hospital
- Overall Contact(s)
- Minhua Zheng, PhD, +86-13564119545, firstname.lastname@example.org
Citations Reporting on Results
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Laparoscopically assisted colectomy is as safe and effective as open colectomy in people with colon cancer Abstracted from: Nelson H, Sargent D, Wieand HS, et al; for the Clinical Outcomes of Surgical Therapy Study Group. A comparison of laparoscopically assisted and open colectomy for colon cancer. N Engl J Med 2004; 350: 2050-2059. Cancer Treat Rev. 2004 Dec;30(8):707-9.
Kitano S, Inomata M, Sato A, Yoshimura K, Moriya Y; Japan Clinical Oncology Group Study. Randomized controlled trial to evaluate laparoscopic surgery for colorectal cancer: Japan Clinical Oncology Group Study JCOG 0404. Jpn J Clin Oncol. 2005 Aug;35(8):475-7. Epub 2005 Jul 8.
Guillou PJ, Quirke P, Thorpe H, Walker J, Jayne DG, Smith AM, Heath RM, Brown JM; MRC CLASICC trial group. Short-term endpoints of conventional versus laparoscopic-assisted surgery in patients with colorectal cancer (MRC CLASICC trial): multicentre, randomised controlled trial. Lancet. 2005 May 14-20;365(9472):1718-26.
Engstrom PF, Arnoletti JP, Benson AB 3rd, Chen YJ, Choti MA, Cooper HS, Covey A, Dilawari RA, Early DS, Enzinger PC, Fakih MG, Fleshman J Jr, Fuchs C, Grem JL, Kiel K, Knol JA, Leong LA, Lin E, Mulcahy MF, Rao S, Ryan DP, Saltz L, Shibata D, Skibber JM, Sofocleous C, Thomas J, Venook AP, Willett C; National Comprehensive Cancer Network. NCCN Clinical Practice Guidelines in Oncology: colon cancer. J Natl Compr Canc Netw. 2009 Sep;7(8):778-831.
West NP, Kobayashi H, Takahashi K, Perrakis A, Weber K, Hohenberger W, Sugihara K, Quirke P. Understanding optimal colonic cancer surgery: comparison of Japanese D3 resection and European complete mesocolic excision with central vascular ligation. J Clin Oncol. 2012 May 20;30(15):1763-9. doi: 10.1200/JCO.2011.38.3992. Epub 2012 Apr 2.
Kobayashi H, West NP, Takahashi K, Perrakis A, Weber K, Hohenberger W, Quirke P, Sugihara K. Quality of surgery for stage III colon cancer: comparison between England, Germany, and Japan. Ann Surg Oncol. 2014 Jun;21 Suppl 3:S398-404. doi: 10.1245/s10434-014-3578-9. Epub 2014 Feb 25.
Bertelsen CA, Neuenschwander AU, Jansen JE, Wilhelmsen M, Kirkegaard-Klitbo A, Tenma JR, Bols B, Ingeholm P, Rasmussen LA, Jepsen LV, Iversen ER, Kristensen B, Gögenur I; Danish Colorectal Cancer Group. Disease-free survival after complete mesocolic excision compared with conventional colon cancer surgery: a retrospective, population-based study. Lancet Oncol. 2015 Feb;16(2):161-8. doi: 10.1016/S1470-2045(14)71168-4. Epub 2014 Dec 31.
Eiholm S, Ovesen H. Total mesocolic excision versus traditional resection in right-sided colon cancer – method and increased lymph node harvest. Dan Med Bull. 2010 Dec;57(12):A4224.
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