# Interscalene vs Phrenic-sparing Blocks in Obesity and Effect of Maximum Inspiratory Pressure

> **NCT07216820** · NA · RECRUITING · sponsor: **University of North Carolina, Chapel Hill** · enrollment: 68 (estimated)

## Conditions studied

- Shoulder Surgery
- Obesity

## Interventions

- **PROCEDURE:** Ultrasound-Guided Interscalene Brachial Plexus Block
- **PROCEDURE:** Phrenic-Sparing Block Combination (Experimental)
- **DRUG:** Bupivacaine HCl 0.5% Injectable Solution
- **DRUG:** Dexamethasone 4mg

## Key facts

- **NCT ID:** NCT07216820
- **Lead sponsor:** University of North Carolina, Chapel Hill
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** RECRUITING
- **Start date:** 2026-01-21
- **Primary completion:** 2027-11-01
- **Final completion:** 2027-11-15
- **Target enrollment:** 68 (ESTIMATED)
- **Last updated:** 2026-01-28

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT07216820

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT07216820, "Interscalene vs Phrenic-sparing Blocks in Obesity and Effect of Maximum Inspiratory Pressure". Retrieved via AI Analytics 2026-06-01 from https://api.ai-analytics.org/clinical/NCT07216820. Licensed CC0.

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