Evaluation of postoperative pain by Pain Vision PS-3100, a quantitative analyzer for perception and pain in gastrectomy

Evaluation of postoperative pain by Pain Vision PS-3100, a quantitative analyzer for perception and pain in gastrectomy - Evaluation of postoperative pain by Pain Vision PS-3100, a quantitative analyzer for perception and pain in gastrectomy

Status

Active, not recruiting

Phases

Phase 2

Study type

Interventional

Source

JPRN

Registry ID

JPRN-jRCT1042250045

Enrollment

Registered

2025-06-17

Start date

2025-08-15

Completion date

Unknown

Last updated

2026-09-14

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

Conditions

Gastric cancer

Interventions

Postoperative pain measurement using Pain Vision and NRS in the open surgery group and the minimally invasive surgery group

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: (1) Patients should be 18 years of age or older at the time of consent, and have a performance status (PS) of 0 or 1 according to the ECOG criteria. (2) Patients scheduled for gastrectomy for gastric cancer.

Exclusion criteria

Exclusion criteria: (1) Patients with peripheral neuropathy (2) Patients on regular analgesic medication (3) Patients who are judged by the principal investigator (or investigators) to be inappropriate for inclusion in this study

Design outcomes

Primary

Measure	Time frame
Difference in pain intensity measured by Pain Vision between the open surgery group and the minimally invasive surgery group on the first postoperative day	—

Secondary

Measure	Time frame
(1) Correlation between pain intensity by NRS and Pain Vision using correlation coefficient on the 1st, 3rd, 6th, and 8th postoperative days. (2) Comparison of pain intensity by NRS and Pain Vision in terms of patients background factors (gender, age, surgical procedure, ets.)	—

Contacts

Public ContactYosuke Matsumoto

Shizuoka Cancer Center

yos.matsumoto@scchr.jp+81-55-989-5222

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Sep 19, 2026