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Laparoscopic Anterior Resection With or Without Dog Ear Double-stapled Anastomosis for Rectal Cancer

Anastomotic Leakage in Laparoscopic Anterior Resection With or Without Dog Ear Double-stapled Anastomosis for Rectal Cancer : A Prospective, Randomized, Controlled Study

Status
UNKNOWN
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT02770911
Enrollment
250
Registered
2016-05-12
Start date
2016-06-30
Completion date
2018-06-30
Last updated
2016-05-12

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Anastomotic Leak, Laparoscopy, Rectal Carcinoma

Keywords

Rectal Carcinoma, Laparoscopy, Anastomotic Leak, Double-stapling technique

Brief summary

The study evaluates the feasibility and advantage of modified laparoscopic double-staple anastomosis technique which to eliminate the 'dog ears' in laparoscopic rectal anterior resection.

Detailed description

Laparoscopic surgeons commonly make rectal transection intracorporeally by laparoscopic linear stapler during rectal anterior resection and perform an end-to-end anastomosis by circular stapler. But the so-called 'dog ears', two stapled corners of the rectal stump after laparoscopic linear transection of rectum, are very common. The lateral intersections of double-stapled anastomoses are structural weak spot area, and they are considered to be the potential ischemic areas leading to anastomosis leakage and the possible sites occurring local recurrence. Previous study reported a modified technique for rectal reconstruction during open surgery, and they could use circular stapler to eliminate the staple line on the rectal stump and cut off the 'dog ears'. But because of the narrow pelvic cavity, it is very difficult to perform this technique in laparoscopic rectal surgery and there is no related report on laparoscopic application. In this study, we evaluates the feasibility and advantage of modified laparoscopic double-staple anastomosis technique, to eliminate the dog ears in laparoscopic rectal anterior resection by laparoscopic suturing on the staple line.

Interventions

PROCEDUREwithout Dog Ear group

a modified double-stapling technique with eliminating the dogears in laparoscopic anterior resection

PROCEDUREwith Dog Ear group

a traditional double-stapling technique without eliminating the dogears in laparoscopic anterior resection

Sponsors

Fujian Medical University
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to 80 Years
Healthy volunteers
No

Inclusion criteria

* Eligibility rule of enrollment * Rectal adenocarcinoma above the peritoneal reflection * at least 18 years old & at most 80 years old * Clinically diagnosed cT1-T4aN0-2 disease * no contraindication to laparoscopic surgery * without other malignancies in medical history

Exclusion criteria

* concurrent or previous diagnosis of invasive cancer within 5 years * locally advanced cancers requiring en bloc multivisceral resection * intestinal obstruction * intestinal perforation * American Society of Anesthesiologists(ASA) class 4 or 5 * pregnant or breast-feeding women * history of mental disorder * participation in another rectal cancer clinical trial relating to surgical technique

Design outcomes

Primary

MeasureTime frame
anastomotic leakage rate30 days since the date of surgery

Secondary

MeasureTime frame
QLQ 30at postoperative 3,6 and 12 months
Wexner's scoringat postoperative 3,6 and 12 months
Intra-operative and post-operative complications30 days since the date of surgery
post-operative Mortality30 days since the date of surgery
re-operation rate30 days since the date of surgery

Contacts

Primary ContactGuo-xian Guan, MD,PhD
gxguan1108@126.com86-13609592321

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026