alterations in pain empathic behavior in patients with chronic noncharacteristic low back pain: an ERP study

Status

Recruiting

Phases

Early Phase 1

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR2100044862

Enrollment

Unknown

Registered

2021-03-30

Start date

2021-04-01

Completion date

Unknown

Last updated

2021-10-26

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

Conditions

CNLBP

Interventions

low back pain group and a healthy control group:Nil

Eligibility

Sex/Gender

All

Age

20 Years to 35 Years

Inclusion criteria

Inclusion criteria: 1. Aged 20-35 years; 2. Patients clinically diagnosed with chronic noncharacteristic low back pain; 3. No structural changes in the lumbar spine and pain lasting for more than 3 months; 4. The chief complaint of pain is more than 3 days per week, and the pain intensity VAS >= 3 points; Self-Rating Anxiety Scale and Self-Rating Depression Scale had normal scores. 5. No severe cognitive impairment; 6. No pain relief or related drugs have been taken within a month.

Exclusion criteria

Exclusion criteria: 1. With cardiovascular disease; 2. With signs of nerve damage; 3. With diseases of brain tissue damage; 4. With psychological and mental illness; 5. Patients with malignant tumors and rheumatoid diseases; 6. Pregnant or lactating women; 7. With severe scalp trauma, extensive or open craniocerebral trauma, unable to place electrodes or may cause infection; 8. Patients who have not obtained informed consent or are participating in other clinical trials.

Design outcomes

Primary

Measure	Time frame
event-related potential;pain empathy task;	—

Countries

China

Contacts

Public ContactWang Yuling

The Sixth Affiliated Hospital of Sun Yat-sen University

wangyul@mail.sysu.edu.cn+86 13054445587

Outcome results

None listed

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