The randomized study to evaluate whether the instruments for clearing laparoscope reduce the surgical stress in colorectal cancer surgery.

The randomized study to evaluate whether the instruments for clearing laparoscope reduce the multifaceted surgical stress in colorectal cancer surgery. - The Randomized control study that the instruments for clearing laparoscope affect to the multifaced surgical stress.

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000038677

Enrollment

120

Registered

2019-12-01

Start date

2019-12-01

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

Colorectal Cancer

Interventions

Clearing lens of laparoscope using the warm saline and gaze Clearing lens of laparoscope using the instrument for clearing lens of laparoscope (OpClear)

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Incursion criteria for a patient (1)diagnosed colorectal cancer (2)the patients are planned laparoscopic surgery for colorectal cancer. (3) the patients totally understand this research (4)the patients with accepting consent to participate in this study Incursion criteria for a doctor (1)Physician who can perform laparoscopic colectomy and the main operator of laparoscopic colectomy for colorectal cancer.

Exclusion criteria

Exclusion criteria: exclusion criteria for patients (1)Patients who aren't able to totally understand this study (2)the patients are planned the lateral lymph node dissection (3)BMI>35 (4)Patients who are pregnant, may be pregnant, or wish to be pregnant during treatment. (5) the patients are participated in another clinical trials at the same time or within 30 days before participation in this trial. (6) The patients who are judged to be inappropriate for this study by a doctor. exclusion criteria for a doctor (1) The Surgeons have had less than 5 cases of laparoscopic colorectal resection.

Design outcomes

Primary

Measure	Time frame
To evaluate whether instruments for clearing lens of laparoscope reduce the multifaceted surgical stress in the colorectal operation.	—

Secondary

Measure	Time frame
The duration of operation and the number of clearing lens of laparoscope	—

Countries

Japan

Contacts

Public ContactSho Sato

Yokohama City University Medical Center Gastroenterological Center

shosato@yokohama-cu.ac.jp045-261-5656

Outcome results

None listed

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