Single-port Robotic Transanal Total Mesorectal Excision
Efficacy and Safety Assessment of Single-port Robotic Transanal Total Mesorectal Excision for Mid and Low Rectal Cancer: a Phase 2a Trial Based on the IDEAL Framework
1 other identifier
interventional
20
1 country
1
Brief Summary
This is a phase 2a clinical trial based on the IDEAL framework to evaluate the safety, feasibility and clinical efficacy of single-port robotic transanal total mesorectal excision (SPr-taTME )surgery. For safety, intraoperative adverse events and 30-day morbidity. For efficacy, successful completion of predefined procedural steps without conversion. The transanal surgical platform consists of a single-port robotic system, while the transabdominal approach can be performed laparoscopically or with single-port robotic assistance.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at below P25 for not_applicable
Started Oct 2024
Shorter than P25 for not_applicable
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
August 11, 2024
CompletedFirst Posted
Study publicly available on registry
September 19, 2024
CompletedStudy Start
First participant enrolled
October 24, 2024
CompletedPrimary Completion
Last participant's last visit for primary outcome
April 1, 2025
CompletedStudy Completion
Last participant's last visit for all outcomes
September 1, 2025
CompletedSeptember 17, 2025
September 1, 2024
5 months
August 11, 2024
September 15, 2025
Conditions
Keywords
Outcome Measures
Primary Outcomes (2)
Intraoperative adverse events and 30-day postoperative complications
Intraoperative adverse events (device and/or procedure-related). Events were recorded as Preferred Term and classified under System Organ Class as per MedDRA Common Terminology Criteria for Adverse Events (CTCAE) coding guidelines (https://evs.nci.nih.gov/ftp1/CTCAE/About.html). Postoperative complications will refer to any medical occurrence directly attributed to the surgical procedure within the first 30 days.
Intraoperative and postoperative 30 days
Conversion rate
Conversion to open or laparotomy surgery due to intraoperative complications , technical difficulties, or inability to successfully complete predefined procedural steps .
Intraoperative
Secondary Outcomes (2)
Quality of specimen (as proposed and published by Quirke et al)
7 days after surgery
Operative time
Date of surgery (Day 1)
Study Arms (1)
Single-port robotic transanal total mesorectal excision
EXPERIMENTALSingle-port robotic transanal total mesorectal excision
Interventions
Rectal resection by transanal TME with single-port robotic surgery
Eligibility Criteria
You may qualify if:
- (1) Mid or low rectal cancer, 0-10 cm from the anal verge (MRI definition); (2) Histological biopsy showing adenocarcinoma; (3) Stage I-III (MRI and abdominal CT), including the downstaged after neoadjuvant therapy; (4) Intention for primary anastomosis; (5) Obtain the informed consent of the patient and his family; (6) Suitable for robotic or laparoscopic surgery. (7) Over 18 years old.
You may not qualify if:
- T3 tumour with margins less than 1 mm to the mesorectal fascia or T4 tumour, determined by MRI-scan (staged after (chemo)radiotherapy if applicable) ;
- The anal sphincter complex or levator anal muscle is involved;
- Previous prostate or rectal surgery (excluding local excision) ;
- Emergency surgery was performed due to complications of a rectal tumor;
- Malignancy other than adenocarcinoma at histological examination;
- Pregnancy;
- Signs of acute intestinal obstruction;
- Multiple colorectal tumours;
- Familial Adenomatosis Polyposis Coli (FAP), Hereditary Non-Polyposis Colorectal Cancer (HNPCC), active Crohn's disease or active ulcerative colitis;
- Planned synchronous abdominal organ resections;
- Other malignancies in medical history, except adequately treated basocellular carcinoma of the skin or in situ carcinoma of the cervix uteri;
- Absolute contraindication to general anaesthesia or prolonged pneumoperitoneum, as severe cardiovascular or respiratory disease (ASA class \> III)
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Huichao Zheng
Chongqing, 400042, China
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- STUDY CHAIR
Fan Li, MD
Daping Hospital and the Research Institute of Surgery of the Third Military Medical University
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- NA
- Masking
- NONE
- Purpose
- TREATMENT
- Intervention Model
- SINGLE GROUP
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
August 11, 2024
First Posted
September 19, 2024
Study Start
October 24, 2024
Primary Completion
April 1, 2025
Study Completion
September 1, 2025
Last Updated
September 17, 2025
Record last verified: 2024-09
Data Sharing
- IPD Sharing
- Will not share