# A Double-blind Study of Controlled Release OROS Hydromorphone Compared to Placebo in Patients With Chronic Osteoarthritis (OA) Pain

> **NCT00631319** · PHASE3 · COMPLETED · sponsor: **Mallinckrodt** · enrollment: 343 (actual)

## Conditions studied

- Chronic Pain

## Interventions

- **DRUG:** OROS hydromorphone
- **DRUG:** Placebo

## Key facts

- **NCT ID:** NCT00631319
- **Lead sponsor:** Mallinckrodt
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2008-02
- **Primary completion:** 2009-04
- **Final completion:** 2009-06
- **Target enrollment:** 343 (ACTUAL)
- **Last updated:** 2020-09-16


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00631319

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00631319, "A Double-blind Study of Controlled Release OROS Hydromorphone Compared to Placebo in Patients With Chronic Osteoarthritis (OA) Pain". Retrieved via AI Analytics 2026-08-01 from https://api.ai-analytics.org/clinical/NCT00631319. Licensed CC0.

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