# Ultrasound-guided Erector Spinae Plane Block Versus Paravertebral Block in Breast Cancer Patients Undergoing Mastectomy With Immediate Reconstruction - a Non-inferiority Trial

> **NCT05590559** · NA · UNKNOWN · sponsor: **The Netherlands Cancer Institute** · enrollment: 100 (estimated)

## Conditions studied

- Breast Cancer Patients Undergoing Mastectomy With Immediate Reconstruction

## Interventions

- **DRUG:** Morphine
- **OTHER:** Ultrasound-guided erector spinae plane block

## Key facts

- **NCT ID:** NCT05590559
- **Lead sponsor:** The Netherlands Cancer Institute
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2021-06-01
- **Primary completion:** 2022-12-31
- **Final completion:** 2022-12-31
- **Target enrollment:** 100 (ESTIMATED)
- **Last updated:** 2022-10-21


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05590559

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05590559, "Ultrasound-guided Erector Spinae Plane Block Versus Paravertebral Block in Breast Cancer Patients Undergoing Mastectomy With Immediate Reconstruction - a Non-inferiority Trial". Retrieved via AI Analytics 2026-06-25 from https://api.ai-analytics.org/clinical/NCT05590559. Licensed CC0.

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