# 4-drug Nerve Block Versus Plain Local Anesthetic for Knee and Hip Arthroplasty Analgesia in Veterans

> **NCT02891798** · PHASE3 · COMPLETED · sponsor: **Brian Williams** · enrollment: 98 (actual)

## Conditions studied

- Pain

## Interventions

- **DRUG:** Bupivacaine + CBD (clonidine, buprenorphine, dexamethasone)
- **DRUG:** Bupivacaine Only (control arm)

## Key facts

- **NCT ID:** NCT02891798
- **Lead sponsor:** Brian Williams
- **Sponsor class:** FED
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2016-10
- **Primary completion:** 2021-07-12
- **Final completion:** 2021-08-20
- **Target enrollment:** 98 (ACTUAL)
- **Last updated:** 2022-01-14

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT02891798

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT02891798, "4-drug Nerve Block Versus Plain Local Anesthetic for Knee and Hip Arthroplasty Analgesia in Veterans". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT02891798. Licensed CC0.

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