# Analgesic Effect of Adding Thoracic Paravertebral Nerve Blocks to Modified PEC Block in Breast Cancer Surgery

> **NCT04056676** · NA · UNKNOWN · sponsor: **Mahidol University** · enrollment: 100 (estimated)

## Conditions studied

- Breast Cancer Female
- Pain, Postoperative

## Interventions

- **PROCEDURE:** Thoracic paravertebral block under ultrasound guidance
- **PROCEDURE:** Intraoperative modified PEC block
- **PROCEDURE:** GA with ETT

## Key facts

- **NCT ID:** NCT04056676
- **Lead sponsor:** Mahidol University
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2019-08-01
- **Primary completion:** 2021-12-01
- **Final completion:** 2022-03-01
- **Target enrollment:** 100 (ESTIMATED)
- **Last updated:** 2021-05-24


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04056676

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04056676, "Analgesic Effect of Adding Thoracic Paravertebral Nerve Blocks to Modified PEC Block in Breast Cancer Surgery". Retrieved via AI Analytics 2026-06-12 from https://api.ai-analytics.org/clinical/NCT04056676. Licensed CC0.

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