Last updated on January 2020

Clinical Outcomes of NOSES Versus Traditional Robotic-assisted Surgery for Patients With Colorectal Cancer


Are you eligible to participate in this study?

You may be eligible for this study if you meet the following criteria:

  • Conditions: Ewing's Family Tumors | Cancer | Rectal disorder | Cancer (Pediatric) | Robotic Surgical Procedures | Rectal Disorders | Cancer/Tumors | Complication of Surgical Procedure | Neoplasms | Natural Orifice Specimen Extraction Surgery | Colon Cancer Screening | Colorectal Cancer | Colon cancer; rectal cancer
  • Age: Between 18 - 80 Years
  • Gender: Male or Female

Inclusion Criteria:

  1. Age 18 and 80 years;
  2. Performance status of 0 or 1 on ECOG (Eastern Cooperative Oncology Group) scale;
  3. Histological or cytological confirmation of colorectal adenocarcinoma;
  4. High rectal and sigmoid cancer with the lower margin of the tumor greater than 10 cm from the anal dentate line;
  5. T1-3N0M0 at preoperative evaluation according to the American Joint Committee on Cancer (AJCC) Cancer Staging Manual 8th Edition, Transvaginal NOSES procedure w specimen with a circumferential diameter of <5 cm;
  6. Preoperative examination did not suggest distant metastasis, implantation or invasion of adjacent organs;
  7. Cardiopulmonary liver and kidney function can withstand surgery;
  8. Written informed consent for participation in the trial.

Exclusion Criteria:

  1. Not suitable for robot laparoscopic surgery;
  2. The tumor is too large to be pulled out through the anus or vagina;
  3. Simultaneous multiple primary cancer;
  4. Emergency surgery due to complication (bleeding, obstruction or perforation) caused by primary cancer
  5. Women with acute gynecological infections, vaginal deformities, unmarried and infertile women and women who are married and plan to get pregnant.

Recruitment Status: Open


Brief Description Eligibility Contact Research Team


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