# Continuous vs Liposomal Bupivacaine Interscalene Block for Proximal Humeral Fracture (CLIP)

> **NCT04928664** · PHASE4 · COMPLETED · sponsor: **The University of Hong Kong** · enrollment: 78 (actual)

## Conditions studied

- Shoulder Fractures

## Interventions

- **DRUG:** Liposomal bupivacaine
- **DRUG:** Standard bupivacaine

## Key facts

- **NCT ID:** NCT04928664
- **Lead sponsor:** The University of Hong Kong
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2020-09-09
- **Primary completion:** 2025-12-13
- **Final completion:** 2026-03-05
- **Target enrollment:** 78 (ACTUAL)
- **Last updated:** 2026-05-18


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04928664

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04928664, "Continuous vs Liposomal Bupivacaine Interscalene Block for Proximal Humeral Fracture (CLIP)". Retrieved via AI Analytics 2026-07-19 from https://api.ai-analytics.org/clinical/NCT04928664. Licensed CC0.

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