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Study on brain wave changes caused by postoperative pain

Study on brain wave changes caused by postoperative pain

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-jRCT1092220430
Enrollment
60
Registered
2019-07-01
Start date
2018-10-11
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

Patient who is scheduled for surgery, or hospitalization

Interventions

Intervention type:DEVICE Name of intervention:Biological information monitoring Dose form / Japanese Medical Device Nomenclature:DEVICE Electroencephalograph, Device for quantitative analysis of pain

Sponsors

PaMeLa, Inc.
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Age:patients over 20 at the time of acquiring consent 2. Gender:male and female 3. Patients who are scheduled for surgery, or hospitalization 4. One who currently has no abnormality or have had no abnormality of brain in the past 5. Patients who have consented to participate in this study after receiving sufficient explanation for this study and gained sufficient understandings

Exclusion criteria

Exclusion criteria: 1. A person who is taking medication for mental illness 2. A person who is already diagnosed with chronic pain 3. A patient who was judged as inappropriate as a research subject by the research director

Design outcomes

Primary

MeasureTime frame
Digitalized pain value based on electroencephalogram Numerical pain value from PainVision

Secondary

MeasureTime frame
BIS value, NRS, SFMPQ-2 value, Pulse Wave Amplitude, Skin Conductance Response, Pulse rate

Countries

Japan

Contacts

Public ContactKunihiro Nakai

University of Fukui Hospital

knakai@u-fukui.ac.jp+81-776-61-8861

Outcome results

None listed

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