Serratus vs ESP Block for Postoperative Pain in Unilateral Breast Surgery

Sponsor
Engin Çetin
Study ID
NCT07541040
Status
Recruiting
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Conditions

Eligibility Criteria

Sex
FEMALE
Age
18 Years - 65 Years
Healthy Volunteers
Not accepted

Interventions

  • Serratus Posterior Superior Intercostal Plane Block — PROCEDURE
    An ultrasound-guided interfascial plane block performed between the serratus posterior superior muscle and the underlying ribs prior to general anesthesia.

Study Details

This prospective, randomized, assessor-blinded trial compares serratus posterior superior intercostal plane block (SPSIPB) and erector spinae plane block (ESPB) for postoperative analgesia in unilateral breast surgery. 54 patients will be randomized to receive either SPSIPB or ESPB before general anesthesia. The primary outcome is postoperative pain scores within the first 24 hours. The secondary outcome is opioid consumption.

Key Dates

First listed
Apr 21, 2026
Start date
May 1, 2026
Status verified
Jun 2026
Primary completion
Aug 1, 2026
Completion
Aug 1, 2026

Study Design

Enrollment
54 participants (estimated)
Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
SUPPORTIVE_CARE

Arms

  • Active Comparator: SPSIP Block
    Participants will receive an ultrasound-guided serratus posterior superior intercostal plane block (SPSIPB) with 30 mL of 0.25% bupivacaine prior to induction of general anesthesia.
  • Active Comparator: ESPB Block
    Participants will receive an ultrasound-guided erector spinae plane block (ESPB) with 30 mL of 0.25% bupivacaine prior to induction of general anesthesia.

Primary Outcome Measure

Postoperative Pain Scores (NRS) [ Time Frame: T0: upon arrival at recovery (Aldrete ≥9), T1: 1 hour, T2: 4 hours, T3: 8 hours, T4: 12 hours, T5: 24 hours postoperatively ]

Central Contacts

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