# Observational Study Investigating the Effectiveness of Fentanyl Matrix in Relieving Pain and Improving Function in Patients With Osteoarthritis of the Knee or Hip

> **NCT01119885** · — · COMPLETED · sponsor: **Janssen Korea, Ltd., Korea** · enrollment: 742 (actual)

## Conditions studied

- Pain
- Osteoarthritis, Hip
- Osteoarthritis, Knee

## Interventions

- **DRUG:** fentanyl matrix
- **DRUG:** fentanyl matrix

## Key facts

- **NCT ID:** NCT01119885
- **Lead sponsor:** Janssen Korea, Ltd., Korea
- **Sponsor class:** INDUSTRY
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2008-08
- **Primary completion:** 2009-01
- **Final completion:** 2009-01
- **Target enrollment:** 742 (ACTUAL)
- **Last updated:** 2014-04-28


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01119885

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01119885, "Observational Study Investigating the Effectiveness of Fentanyl Matrix in Relieving Pain and Improving Function in Patients With Osteoarthritis of the Knee or Hip". Retrieved via AI Analytics 2026-06-24 from https://api.ai-analytics.org/clinical/NCT01119885. Licensed CC0.

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