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Efficacy Evaluation of CT-Guided Dorsal Root Ganglion Radiofrequency Ablation Combined with PRP Injection for Postherpetic Neuralgia: A Randomized Controlled Study

Efficacy Evaluation of CT-Guided Dorsal Root Ganglion Radiofrequency Ablation Combined with PRP Injection for Postherpetic Neuralgia: A Randomized Controlled Study

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2500104555
Enrollment
Unknown
Registered
2025-06-19
Start date
2025-07-01
Completion date
Unknown
Last updated
2025-06-24

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

Conditions

herpes zoster

Interventions

Control group (PRF):Received only radiofrequency ablation
Ozone group (PRF + ozone):Localized ozone injection after radiofrequency ablation therapy
PRP group (PRF+PRP):Local injection of PRP after radiofrequency ablation 2-3ml

Sponsors

Changzhi People's Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
40 Years to 80 Years

Inclusion criteria

Inclusion criteria: 1. Age 40-80 years old and gender; 2. Meet the International Academy of Pain (IASP) diagnostic criteria for postherpetic neuralgia (PHN); 3. Duration of disease >= 3 months; 4. No pain relief by conservative methods such as oral pregabalin and other medications before surgery; 5. Absence of severe organ dysfunction; 6. Ability to objectively assess perceived pain and complete follow-up visits; 7. Agree to participate in this study and are able to sign an informed consent form; 8. Not participating in other clinical trials;

Exclusion criteria

Exclusion criteria: 1. Coagulation disorders, immune system disorders, active infections, history of severe drug allergies; 2. Pregnant or lactating females; 3. Previous treatment with similar interventions; 4. Refusal to participate, uncooperative behavior and intellectual inability to complete self-assessment questionnaires; 5. Contraindications to ozone injection and PRP injection; 6. Severe cardiopulmonary disease, hepatic or renal insufficiency or any serious life-threatening disease; 7. Patients with spinal deformity or a history of spinal surgery that affects CT localization;

Design outcomes

Primary

MeasureTime frame
Visual Analog Scale (VAS);Pittsburgh Sleep Quality Index (PSQI);Quality of life score (SF-14 scale);

Secondary

MeasureTime frame
Post-treatment painkiller use;gender;age;Body Mass Index (BMI);

Countries

China

Contacts

Public ContactWu Jie

Changzhi People's Hospital Affiliated to Changzhi Medical College

zjlbigeye@163.com+86 139 9462 1990

Outcome results

None listed

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