A feasibility study of robot-assisted laparoscopic surgery for rectal cancer.

A feasibility study of robot-assisted laparoscopic surgery for rectal cancer. - A feasibility study of robot-assisted laparoscopic surgery for rectal cancer.

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000016863

Enrollment

Registered

2015-04-01

Start date

2015-04-01

Completion date

Unknown

Last updated

2026-06-29

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

Conditions

Rectal cancer

Interventions

Robot-assisted laparoscopic surgery using da Vinci Surgical System will be performed.

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1.Colorectal cancer proven histologically. 2. Resectable stage 0-III tumor. 3.No prior chemotherapy or radiotherapy for colorectal cancer. 4. ECOG PS 0-1. 5. Age 20-80. 6. Adequate organ function to perform the surgery. 7. Written informed consent.

Exclusion criteria

Exclusion criteria: 1. History of active double cancer within 5 years. 2. Direct invasion into the surrounding organ. 3. Ileus. 4. Infectious disease in abdominal cavity. 5. Diffuse adhesion anticipated. 6. Serious co-morbidity, such as cardiopulmonary disease, bleeding tendency, uncontrollable diabetes mellitus or hypertension. 7. Pregnant or possibly pregnant women. 8. Other conditions judged ineligible by physician.

Design outcomes

Primary

Measure	Time frame
The 30-day postoperative morbidity rate	—

Secondary

Measure	Time frame
Success rate of robot-assisted laparoscopic surgery, Open conversion rate, Operative time, Blood loss, Number of lymph nodes harvested,R0 resection rate, local recurrence rate, relapse free survival, overall survival, urinary and sexual function	—

Countries

Japan

Contacts

Public ContactAtsushi Ishibe

Yokohama City University Gastroenterological surgery

aishibe@yokohama-cu.ac.jp045-787-2800

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026