EEG response to nociceptive stimulation during general anesthesia and surgery: a prospective observational study

Status

Active, not recruiting

Phases

Early Phase 1

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR2200062744

Enrollment

Unknown

Registered

2022-08-17

Start date

2022-08-17

Completion date

Unknown

Last updated

2025-03-10

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

Conditions

Nociceptive stimulation during general anesthesia and surgery

Interventions

All included patients:Not Applicable

Eligibility

Sex/Gender

All

Age

18 Years to 65 Years

Inclusion criteria

Inclusion criteria: 1. Aged 18-65 years old; 2. Signing informed consent; 3. Elective abdominal surgery under general anesthesia; 4. ASA I-III.

Exclusion criteria

Exclusion criteria: 1. History of mental and neurological diseases; 2. History of neurological surgery; 3. Inability to understand and response to verbal demanding; 4. History of alcohol, opioid or other psychotropic drug abuse; 5. Preoperative application of sedative drugs; 6. Allergic to drugs or sensors used in the study.

Design outcomes

Primary

Measure	Time frame
Characteristics of EEG response to nociceptive stimulation during general anesthesia and surgery;	—

Secondary

Measure	Time frame
Characteristics of EEG under different sedation levels;The effect of nociceptive stimulation intensity on EEG;The effect of nociceptive stimulation intensity on postoperative recovery;	—

Countries

China

Contacts

Public ContactYuyi Zhao

West China Hospital of Sichuan University

343490507@qq.com+86 18980606837

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026