Clinical trial Recruiting at 1 site Interventional Ages 18 to 75

Outcomes of colorectal cancer treated with natural orifice surgery

Official title: Short-term and Long-term Outcomes of Colorectal Cancer Treated With Natural Orifice Specimen Extraction Surgery : a National Registry-based Study

Run by Cancer Institute and Hospital, Chinese Academy of Medical Sciences · NCT06350370 · Data updated 2026-11-12

This study looks at how well a new, less invasive surgery called natural orifice specimen extraction works for people with colorectal cancer, by checking their recovery and outcomes after the procedure.

More Colorectal Cancer trials

Quick facts

Study typeInterventional
Ages18 Years to 75 Years
SexAll
Enrollment8000 (estimated)
SponsorCancer Institute and Hospital, Chinese Academy of Medical Sciences
Academic / other
Locations1 site (Beijing, Beijing Municipality)
StatusRecruiting
StartedJanuary 1, 2019
Main results expectedJanuary 1, 2023
Study endsJanuary 1, 2028
Registry record updatedApril 5, 2024
Trial IDNCT06350370 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates for this study are patients with a pathological diagnosis of primary malignant tumors in the colon or rectum who meet the criteria for NOSES.

Probably not a fit

Patients whose postoperative diagnosis does not confirm primary malignant tumors in the colon or rectum will not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This study evaluates the short-term and long-term outcomes of colorectal cancer patients who undergo natural orifice specimen extraction surgery (NOSES). It is a large retrospective analysis involving nearly 100 centers across China, aiming to gather comprehensive data on the safety and feasibility of this minimally invasive surgical technique. By analyzing patient demographics, perioperative data, and postoperative outcomes, the study seeks to provide robust evidence to support the clinical application of NOSES in treating colorectal cancer.

Why it matters

Potential benefit: If successful, this study could enhance the understanding and application of minimally invasive surgical techniques for colorectal cancer, potentially leading to better patient outcomes.

How similar studies have gone: While NOSES is gaining recognition, this study aims to provide the first large-scale evidence-based evaluation of its feasibility and safety, making it a novel approach.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

1. Pathological diagnosis of primary malignant tumor in the colon or rectum;
2. The surgery meets the definition in the "Consensus of NOSES Experts in Colorectal Cancer";

Exclusion Criteria:

1. Postoperative pathological diagnosis does not belong to primary malignant tumors in the colon or rectum;
2. The surgery does not meet the definition in the "Consensus of NOSES Experts in Colorectal Cancer".

Where it's running

  • Cancer Hospital Chinese Academy of Medical Sciences
    Beijing, Beijing Municipality, China
    Recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.