# A Study to Compare Oxycodone/Naloxone Prolonged Release Against Codeine/Paracetamol in the Treatment of Moderate to Severe Chronic Low Back Pain or Pain Due to Osteoarthritis

> **NCT00784810** · PHASE4 · COMPLETED · sponsor: **Napp Pharmaceuticals Limited** · enrollment: 247 (actual)

## Conditions studied

- Osteoarthritis
- Back Pain

## Interventions

- **DRUG:** Oxycodone/Naloxone
- **DRUG:** Codeine/Paracetamol

## Key facts

- **NCT ID:** NCT00784810
- **Lead sponsor:** Napp Pharmaceuticals Limited
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2009-02
- **Primary completion:** 2010-03
- **Final completion:** 2011-06
- **Target enrollment:** 247 (ACTUAL)
- **Last updated:** 2011-11-02


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00784810

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00784810, "A Study to Compare Oxycodone/Naloxone Prolonged Release Against Codeine/Paracetamol in the Treatment of Moderate to Severe Chronic Low Back Pain or Pain Due to Osteoarthritis". Retrieved via AI Analytics 2026-06-09 from https://api.ai-analytics.org/clinical/NCT00784810. Licensed CC0.

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