A Feasibility Study of Robot-Assisted Laparoscopic Surgery for the Treatment of Colorectal Cancers

A Feasibility Study of Robot-Assisted Laparoscopic Surgery for the Treatment of Colorectal Cancers - A Feasibility Study of Robot-Assisted Laparoscopic Surgery for the Colorectal Cancers

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000013489

Enrollment

Registered

2014-03-24

Start date

2014-03-25

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

Colorectal cancer

Interventions

Robot-assisted laparoscopic operation using &quot

da Vinci Surgical System&quot

will be performed.

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. Colorectal cancer proven histologically. 2. Resectable stage I-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. Tumor with over 5cm in the maximum diameter. 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
Intraoperative and postoperative morbidity rate, Ro resection rate	—

Secondary

Measure	Time frame
Treatment rate of robot-assisted laparoscopic surgery, Open conversion rate, Operative time, Blood loss, Number of lymph nodes harvested, Local recurrence rate, Overall survival, Relapse-free survival	—

Countries

Japan

Contacts

Public ContactTatsuya Manabe,MD

Graduate School of Medical Sciences, Kyushu University Surgery and Oncology

manabe@surg1.med.kyushu-u.ac.jp092-642-5440

Outcome results

None listed

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