Resting-state electroencephalogram characteristics of patients with chronic pain

Status

Recruiting

Phases

Early Phase 1

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR2400080667

Enrollment

Unknown

Registered

2024-02-04

Start date

2024-02-05

Completion date

Unknown

Last updated

2024-05-13

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

Conditions

chronic pain

Interventions

Control group (The control group was subjects without chronic pain, and EEG was collected in open eye (5 min) and closed eye (5 min) state.):None

Chronic pain group (The chronic pain group was subjects with chronic pain, and EEG was collected in open eye (5 min) and closed eye (5 min) state.):None

Eligibility

Sex/Gender

All

Age

18 Years to No maximum

Inclusion criteria

Inclusion criteria: (1) Age = 18 years old (2) Patients with chronic pain meet the International Classification of Diseases, Version 11 (ICD-11) criteria for the diagnosis of chronic pain (3) Definition of chronic pain: duration = 3 months (4) Current and recent (within 4 weeks) reported mean pain intensity NRS = 4/10 points (5) Right-handed

Exclusion criteria

Exclusion criteria: (1) The presence of major neurological diseases (2) Presence of a major psychiatric illness other than depression (3) Craniocerebral trauma and/or surgical history (4) History of cerebrovascular accident (5) Drug and alcohol abuse (6) Acute changes in pain status in the past 3 months (such as trauma, surgery, etc.)

Design outcomes

Primary

Measure	Time frame
Power spectrum analysis;Functional connectivity;source localization analysis;	—

Secondary

Measure	Time frame
graph analysis;microstate analysis;	—

Countries

China

Contacts

Public ContactWeidong Gu

Huadong Hospital affiliated to Fudan University

mcwgwd@163.com+86 189 1816 9021

Outcome results

None listed

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