# Single Versus Multiple Injection Ultrasound Guided Paravertebral Blocks

> **NCT02852421** · NA · COMPLETED · sponsor: **London Health Sciences Centre Research Institute OR Lawson Research Institute of St. Joseph's** · enrollment: 70 (actual)

## Conditions studied

- Breast Neoplasms
- Anesthesia

## Interventions

- **PROCEDURE:** Single injection paravertebral block
- **PROCEDURE:** Multiple injection paravertebral blocks

## Key facts

- **NCT ID:** NCT02852421
- **Lead sponsor:** London Health Sciences Centre Research Institute OR Lawson Research Institute of St. Joseph's
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2013-08
- **Primary completion:** 2015-05
- **Final completion:** 2015-05
- **Target enrollment:** 70 (ACTUAL)
- **Last updated:** 2016-08-16


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT02852421

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT02852421, "Single Versus Multiple Injection Ultrasound Guided Paravertebral Blocks". Retrieved via AI Analytics 2026-07-27 from https://api.ai-analytics.org/clinical/NCT02852421. Licensed CC0.

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