Retrospective study to evaluate oncologic safety of laparoscopic surgery for obese colorectal cancer patients

Not Applicable

• Conditions: Obese colorectal cancer patients who underwent open or laparoscopic surgery (BMI is 25 and more).

• Registration Number: JPRN-UMIN000033529
• Lead Sponsor: Japan Society of Laparoscopic Colorectal Surgery

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Results First Posted: 1900-01-01
• Study Start: 2018-08-01
• Study Completion: 2019-03-31
• Last Update Posted: 17 October 2023

Recruitment & Eligibility

• Status: Pending
• Sex: All
• Target Recruitment: 4800

Inclusion Criteria

Not provided

Exclusion Criteria

Double cancer Multiple cancer Curability: B or C Location: Appendix or anal canal ASA:3 to 6

Study & Design

• Study Type: Observational
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
The 3-year relapse-free survival rate

Secondary Outcome Measures

Name	Time	Method
The 3-year overall survival, The amount of estimated blood loss, The duration of operation, The degree of lymph node dissection, The number of lymph nodes evaluated, The number of positive lymph nodes, Postoperative complication, Mortality within 30 days of surgery, Postoperative length of stay, and Site of recurrence.