A Study Comparing the Effectiveness and Safety of Varying Dose Strengths (100, 200, 300 and 400 mg) of Extended-release Tramadol HCl With Placebo for the Treatment of Osteoarthritis(OA) of the Knee and/or Hip
Public ClinicalTrials.gov record NCT00325858. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
Double-Blind, Randomized,Dose-Ranging, Parallel-Group Comparison Of The Efficacy And Safety Of Extended-Release Tramadol Hydrochloride(Tramadol HCl ER)100 Mg, 200 Mg, 300 Mg, And 400 Mg With Placebo In The Treatment Of Osteoarthritis Of Knee And/Or Hip
Study identification
- NCT ID
- NCT00325858
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 3
- Lead sponsor
- Bausch Health Americas, Inc.
- Industry
- Enrollment
- 1,000 participants
Conditions and interventions
Conditions
Interventions
- Tramadol HCl ER Drug
Drug
Eligibility (public fields only)
- Age range
- 18 Years to 74 Years
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Dec 31, 2001
- Primary completion
- Not listed
- Completion
- Nov 30, 2003
- Last update posted
- Aug 26, 2012
2002 – 2003
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Altoona Center for Clinical Research | Duncansville | Pennsylvania | 16635 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT00325858, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Aug 26, 2012 · Synced Jul 21, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT00325858 live on ClinicalTrials.gov.