Association of impedance value and the analgesic effect of PRF of dorsal root ganglia in PHN patients

Status

Recruiting

Phases

Early Phase 1

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR2000039088

Enrollment

Unknown

Registered

2020-10-16

Start date

2020-10-25

Completion date

Unknown

Last updated

2021-01-18

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

Conditions

post-herpetic neuralgia

Interventions

case series:Nil

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. Patients aged 18-80 years; 2. Patients who are more than 3 months away from the onset of herpes zoster; 3. Patients with NRS score above 5; 4. Patients who have not received pulse radiofrequency modulation or spinal cord electrical stimulation therapy; 5. Patients who can cooperate with follow-up.

Exclusion criteria

Exclusion criteria: 1. Patients with known drug dependence; 2. Patients with severe depression or serious suicidal tendency; 3. Patients with severe physical diseases; 4. Patients with history of sinus bradycardia and atrioventricular block, liver and kidney dysfunction and pacemaker; 5. Patients with abnormal coagulation function; 6. Patients who can not insist on treatment due to long distance or other reasons.

Design outcomes

Primary

Measure	Time frame
NRS;	—

Secondary

Measure	Time frame
impedance;MR value;NLR ratio;	—

Countries

China

Contacts

Public ContactShengtao Wang

Shandong Provincial Hospital Affiliated to the Shandong 1st Medical University

wshengt@126.com+86 18853111889

Outcome results

None listed

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