Geneva, July 20 -- International Clinical Trials Registry received information related to the study (ChiCTR2600127881) titled 'The analgesic effect of bupivacaine liposome combined with standard bupivacaine for thoracic paravertebral nerve block in unilateral breast surgery: A prospective, double-blind, randomized controlled trial' on July 9.

Study Type: Interventional study

Study Design: Parallel

Primary Sponsor: The Second Hospital of Lanzhou University

Condition: Breast diseases

Intervention: Intervention Group (Group B):Bupivacaine liposome (1.33%, 10ml) + standard bupivacaine hydrochloride (0.5%, 10ml)

Recruitment Status: Not Recruiting

Phase: N/A

Date of First Enrollment: 2026-02-06

Target Sample Size: Intervention Gr...