Geneva, Sept. 25 -- International Clinical Trials Registry received information related to the study (NCT07819786) titled 'RISS vs ESP Block for Postoperative Analgesia After Mastectomy' on Sept. 9.

Study Type: Interventional

Study Design: Allocation: Randomized. Intervention model: Parallel Assignment. Primary purpose: Treatment. Masking: Double (Participant, Outcomes Assessor).

Primary Sponsor: Bursa City Hospital

Condition: Erector Spinae Block Rhomboid Intercostal Sub-serratus Plane Block Radical Mastectomy Postoperative Analgesia

Intervention: Other: Erector Spinae Plane Block

Recruitment Status: Not recruiting

Phase: N/A

Date of First Enrollment: January 1, 2026

Target Sample Size: 86

Countries of Recruitment: Turke...