# US-Guided Preemptive Brachial Plexus Blockade May Reduce Post-operative Pain: a Randomized Study

> **NCT04005534** · NA · COMPLETED · sponsor: **University of Sao Paulo General Hospital** · enrollment: 70 (actual)

## Conditions studied

- Postoperative Pain
- Rotator Cuff Injuries

## Interventions

- **DRUG:** Standard group
- **DRUG:** Preemptive group

## Key facts

- **NCT ID:** NCT04005534
- **Lead sponsor:** University of Sao Paulo General Hospital
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2022-12-14
- **Primary completion:** 2024-03-01
- **Final completion:** 2024-03-10
- **Target enrollment:** 70 (ACTUAL)
- **Last updated:** 2024-04-16


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04005534

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04005534, "US-Guided Preemptive Brachial Plexus Blockade May Reduce Post-operative Pain: a Randomized Study". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT04005534. Licensed CC0.

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