# Ultrasound-guided Interscalene Block:3mL Ropi Provide Similar Analgesia to 5mL and Less Diaphragmatic Paralysis

> **NCT04317235** · NA · COMPLETED · sponsor: **Saint George Hospital** · enrollment: 60 (actual)

## Conditions studied

- Diaphragmatic Paralysis

## Interventions

- **DRUG:** Ropivacaine 0.5% Injectable Solution

## Key facts

- **NCT ID:** NCT04317235
- **Lead sponsor:** Saint George Hospital
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2016-01-10
- **Primary completion:** 2018-03-02
- **Final completion:** 2019-01-20
- **Target enrollment:** 60 (ACTUAL)
- **Last updated:** 2020-03-23


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04317235

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04317235, "Ultrasound-guided Interscalene Block:3mL Ropi Provide Similar Analgesia to 5mL and Less Diaphragmatic Paralysis". Retrieved via AI Analytics 2026-06-03 from https://api.ai-analytics.org/clinical/NCT04317235. Licensed CC0.

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