# Exparel Injection Effect on Postoperative Opioid Usage

> **NCT04085913** · EARLY_PHASE1 · ENROLLING_BY_INVITATION · sponsor: **University of Missouri-Columbia** · enrollment: 100 (estimated)

## Conditions studied

- Thyroid
- Parathyroid Adenoma

## Interventions

- **DRUG:** Lidocaine Epinephrine
- **DRUG:** Bupivacaine Hydrochloride-EPINEPHrine
- **DRUG:** Lidocaine Epinephrine, Bupivacaine Hydrochloride-EPINEPHrine

## Key facts

- **NCT ID:** NCT04085913
- **Lead sponsor:** University of Missouri-Columbia
- **Sponsor class:** OTHER
- **Phase:** EARLY_PHASE1
- **Study type:** INTERVENTIONAL
- **Status:** ENROLLING_BY_INVITATION
- **Start date:** 2019-09-30
- **Primary completion:** 2024-06-06
- **Final completion:** 2025-07
- **Target enrollment:** 100 (ESTIMATED)
- **Last updated:** 2024-07-29


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04085913

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04085913, "Exparel Injection Effect on Postoperative Opioid Usage". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT04085913. Licensed CC0.

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