# SPSIP Block Versus ESP Block for Chronic Pain After Unilateral Breast Surgery

> **NCT07674836** · NA · RECRUITING · sponsor: **Engin Çetin** · enrollment: 90 (estimated)

## Conditions studied

- Postoperative Pain
- Opioid Use

## Interventions

- **PROCEDURE:** Serratus Posterior Superior Intercostal Plane Block
- **PROCEDURE:** Ultrasound-guided Erector Spinae Plane Block

## Key facts

- **NCT ID:** NCT07674836
- **Lead sponsor:** Engin Çetin
- **Sponsor class:** OTHER_GOV
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** RECRUITING
- **Start date:** 2026-07-01
- **Primary completion:** 2026-12-01
- **Final completion:** 2026-12-01
- **Target enrollment:** 90 (ESTIMATED)
- **Last updated:** 2026-09-30


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT07674836

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT07674836, "SPSIP Block Versus ESP Block for Chronic Pain After Unilateral Breast Surgery". Retrieved via MORVS 2026-10-20 from https://api.morvs.ai/clinical/NCT07674836. Licensed CC0.

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