Serratus vs Erector Spinae Block for Pain After Unilateral Breast Surgery

Is this trial a fit for you?

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This is a single-center, randomized, assessor-blinded study in adult women undergoing elective unilateral breast surgery. Participants will be assigned 1:1 to receive either a serratus posterior superior intercostal plane block or an ultrasound-guided erector spinae plane block before general anesthesia. The primary outcome is chronic postoperative pain at 3 months, measured with the Brief Pain Inventory-Short Form. The study aims to determine if one regional technique leads to less chronic pain than the other. Standard perioperative care will be followed, and all data will be analyzed to compare long-term pain outcomes between groups.

Why it matters

Who can join: the full rules

Inclusion Criteria:

* Female patients aged 18-65 years
* ASA physical status I-III
* Body mass index (BMI) between 18 and 35 kg/m²
* Scheduled for elective unilateral breast surgery (mastectomy with or without sentinel lymph node biopsy)
* Ability to understand and provide written informed consent

Exclusion Criteria:

* Infection at the site of block application
* Known allergy to local anesthetics
* Coagulopathy or anticoagulant therapy
* Chronic opioid use
* Pregnancy
* Inability to communicate or cooperate
* Refusal to participate
* Failed block
* Requirement of additional intraoperative analgesia outside the study protocol
* Development of serious intraoperative complications

Where it's running

• University of Health Sciences Kocaeli City Hospital
  İzmit, Kocaeli, Turkey (Türkiye) Recruiting

Study contacts

• Principal investigator: Engin Çetin, M.D — Kocaeli City Hospital
• Study coordinator: Engin Çetin, M.D.
• Email: Doccetin52@gmail.com
• Phone: 05321206004

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How to take part

1. Review the eligibility criteria above with your treating physician.
2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.