A pilot study of robot assisted colorectal cancer surgery using the da Vinci Si surgical system

A pilot study of robot assisted colorectal cancer surgery using the da Vinci Si surgical system - A pilot study of robot assisted colorectal cancer surgery using the da Vinci Si surgical system

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000034236

Enrollment

Registered

2018-09-25

Start date

2018-02-28

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 colorectal cancer surgery using the da Vinci Si Surgical System

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. Pathologically confirmed colorectal cancer 2. Patient has no distant metastases 3. Patient age is more than 20 years old, less than 80 years old. 4. Performance status is 0 or 1. 5. Tumor without invasion to other organ 6. Informed consent by a document is acquired.

Exclusion criteria

Exclusion criteria: 1. Mental disorder 2. Platelet less than 50,000/ul or PT(prothrombin time) less than 80% 3. Liver dysfunction (AST, ALT: more than 100 IU/l) 4. Renal disfunction (eGFR : less than 29ml/min) 5. Severe cardiac dysfunction (Ejection Fraction less than 30%) 6. Severe adhesion is expected by past operations 7. Blood transfusion is not permitted 8. The attending physician decides that the patient is unfit for this study

Design outcomes

Primary

Measure	Time frame
The conversion rate to open surgery	—

Countries

Japan

Contacts

Public ContactTomomichi Kiyomatsu

National Center for Global Health and Medicine Devision of Coloproctology

kiyomatan@yahoo.co.jp03-3202-7181

Outcome results

None listed

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