Geneva, Aug. 6 -- International Clinical Trials Registry received information related to the study (ChiCTR2600128670) titled 'Effect of Esketamine in Nerve Block on the Incidence of Postoperative Rebound Pain' on July 23.

Study Type: Interventional study

Study Design: Parallel

Primary Sponsor: Central Hospital of Dalian University of Technology (Dalian Municipal Central Hospital)

Condition: Postoperative rebound pain

Intervention: Control group:0.375% ropivacaine 30 mL for ultrasound-guided axillary brachial plexus block

Recruitment Status: Not Recruiting

Phase: N/A

Date of First Enrollment: 2026-07-27

Target Sample Size: Control group:320;Experimental group:320;

Countries of Recruitment: China

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