Geneva, Jan. 12 -- International Clinical Trials Registry received information related to the study (ChiCTR2500115654) titled 'Effect of bupivacaine liposome in erector spinae plane block on chronic pain after thoracoscopic surgery-a prospective observational cohort study' on Dec. 29, 2025.

Study Type: Observational study

Study Design: Cohort study

Primary Sponsor: The affiliated Suzhou hospital of Nanjing Medical University

Condition: Effect of bupivacaine liposomal on chronic pain after thoracic surgery

Intervention: Group patient controlled analgesia(group P):No group erector spinae plane block and patient controlled analgesia (group EP):No

Recruitment Status: Recruiting

Phase: 4

Date of First Enrollment: 2025-06-11

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