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Research on efficacy and safety of high-voltage and bipolar pulse radiofrequency in herpes zoster-related pain

Research on efficacy and safety of high-voltage and bipolar pulse radiofrequency in herpes zoster-related pain

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2200065920
Enrollment
Unknown
Registered
2022-11-18
Start date
2022-12-01
Completion date
Unknown
Last updated
2023-05-15

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

Conditions

herpes zoster-related pain

Interventions

Acute herpetic neuralgia group:N/A
PHN group:N/A

Sponsors

Beijing Friendship Hospital, Capital Medical University
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Patients with herpes zoster (HZ) neuralgia (acute HZ neuralgia and PHN) between January 2021 and May 2022 in our pain clinic; 2. NRS >= 4; 3 Refractory to medication; 4. Spinal nerve affected by HZ neuralgia; 5. Receiving bipolar high-voltage pulsed radiofrequency (PRF) on the dorsal root ganglions (DRGs) under fluoroscopic guidance.

Exclusion criteria

Exclusion criteria: 1. Cancers; 2. Systemic immune diseases; 3. Lost to follow-up; 4. Receiving continuous epidural injection, spinal cord stimulation or PRF Within 6 months after PRF.

Design outcomes

Primary

MeasureTime frame
days from zoster onset to PRF;numerical rating scale (NRS) score;the dose of antiepileptic drugs;—

Secondary

MeasureTime frame
gender;age;the target segment of DRG;underlying disease;type of nerve block before PRF;—

Countries

China

Contacts

Public ContactSun Chenli

Department of Anesthesiology, Beijing Friendship Hospital, Capital Medical University

mograine74@126.com+86 13811290715

Outcome results

None listed

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