Geneva, March 20 -- International Clinical Trials Registry received information related to the study (ChiCTR2600119245) titled 'Efficacy and Safety of Ultrasound-Guided Bupivacaine Liposome Dorsal Root Ganglion Injection for Postherpetic Neuralgia: A Retrospective Clinical Study' on Feb. 25.

Study Type: Observational study

Study Design: Sequential

Primary Sponsor: Shandong Provincial Hospital Affiliated to Shandong First Medical University

Condition: Postherpetic neuralgia

Recruitment Status: Not Recruiting

Phase: N/A

Date of First Enrollment: 2026-02-25

Target Sample Size: Bupivacaine liposome/Ropivacaine/Lidocaine group:120;

Countries of Recruitment: China

To know more, visit https://www.chictr.org.cn/showproj.html?proj=...