Effect of anesthetic agents on nociceptive evoked potentials

Effect of anesthetic agents on nociceptive evoked potentials - Effect of anesthetic agents on nociceptive evoked potentials

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000038214

Enrollment

Registered

2019-10-20

Start date

2019-10-01

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

patients who get general anesthesia

Interventions

intravenous administration of remifentanil effect-site concentration: 1.0-3.0 nanogram/ml, 5 minutes intravenous administration of propofol effect-site concentration: 0.5-1.0 microgram/ml, 5 minutes

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: patients over 20 years old who get surgery under general anesthesia in our hospital

Exclusion criteria

Exclusion criteria: 1) ASA-PS over 3 2) surgery for malignancy or electrode site 3) diabetes mellitus, dementia or epilepsy 4) inpanted pacemaker, implantable cardioverter-defibrillator or deep brain stimulator 5) skin disorder or paresthesia on electrode site 6) patients without consent

Design outcomes

Primary

Measure	Time frame
Amplitude of nociceptive evoked potentials	—

Secondary

Measure	Time frame
Latency of nociceptive evoked potentials Numerical Rating Scale of pain Bispectral Index	—

Countries

Japan

Contacts

Public ContactTakashi Ishida

Shinshu University School of Medicine The Department of Anesthesiology and Resuscitology

tisd@shinshu-u.ac.jp0263-37-2670

Outcome results

None listed

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