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Efficacy and Safety of Ultrasound-Guided Bupivacaine Liposome Dorsal Root Ganglion Injection for Postherpetic Neuralgia: A Retrospective Clinical Study

Efficacy and Safety of Ultrasound-Guided Bupivacaine Liposome Dorsal Root Ganglion Injection for Postherpetic Neuralgia: A Retrospective Clinical Study

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2600119245
Enrollment
Unknown
Registered
2026-02-25
Start date
2026-02-25
Completion date
Unknown
Last updated
2026-03-02

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

Conditions

Postherpetic neuralgia

Interventions

Bupivacaine liposome/Ropivacaine/Lidocaine group:None

Sponsors

Shandong Provincial Hospital Affiliated to Shandong First Medical University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: 1. Age > 18 years old 2. Diagnosed as patients with primary herpes zoster in the thoracic and lumbar regions 3. Unable to tolerate or ineffective after receiving first-line drug treatment (the pain VAS score remained >= 4 points after taking pregabalin 150mg twice daily) 4. Has good comprehension ability and can understand the treatment plan and follow-up 5. Voluntary and signed the informed consent form.

Exclusion criteria

Exclusion criteria: 1. Patients with severe diseases such as heart, brain, liver, and other conditions who cannot tolerate minimally invasive surgeries; 2. Those with contraindications for minimally invasive interventional treatments such as infection at the puncture site and abnormal coagulation function; 3. Allergic to local anesthetics and fat emulsions; 4. Pregnant or lactating women; 5. Unable to cooperate normally in completing questionnaires and follow-ups.

Design outcomes

Primary

MeasureTime frame
Pain score;

Secondary

MeasureTime frame
General indicators;The incidence rate of complications such as postoperative infection and pneumothorax;

Countries

China

Contacts

Public ContactLin Xiaowen

Shandong Provincial Hospital Affiliated to Shandong First Medical University

15863770629@163.com+86 531 6877 8328

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Mar 14, 2026