# Erector Spinae Block Versus Paravertebral Block on Chronic Pain After Mastectomy

> **NCT07561411** · NA · NOT_YET_RECRUITING · sponsor: **American University of Beirut Medical Center** · enrollment: 132 (estimated)

## Conditions studied

- Mastectomy; Lymphedema
- Chronic Pain
- Regional Anesthesia Morbidity
- Opioid Use

## Interventions

- **DRUG:** Paravertebral block
- **DRUG:** Erector Spinae block

## Key facts

- **NCT ID:** NCT07561411
- **Lead sponsor:** American University of Beirut Medical Center
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** NOT_YET_RECRUITING
- **Start date:** 2026-05-01
- **Primary completion:** 2028-05-01
- **Final completion:** 2028-05-01
- **Target enrollment:** 132 (ESTIMATED)
- **Last updated:** 2026-05-01


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT07561411

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT07561411, "Erector Spinae Block Versus Paravertebral Block on Chronic Pain After Mastectomy". Retrieved via AI Analytics 2026-06-09 from https://api.ai-analytics.org/clinical/NCT07561411. Licensed CC0.

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