A One-year, Open-label Study to Assess the Safety and Effectiveness of Extended Release Tramadol HCl in the Treatment of Chronic, Non-malignant Pain.
Public ClinicalTrials.gov record NCT00347685. 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
Open-label Assessment of the Safety and Effectiveness of Extended Release Tramadol (Tramadol ER) in the Treatment of Chronic Non-malignant Pain.
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
The purpose of this study is to assess the safety of tramadol HCl ER following long-term treatment. The study hypothesis is that long-term treatment with tramadol HCl ER is safe and effective for the treatment of chronic, non-malignant pain.
Study identification
- NCT ID
- NCT00347685
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 3
- Enrollment
- 650 participants
Conditions and interventions
Conditions
Eligibility (public fields only)
- Age range
- 18 Years and older
- 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
- Sep 30, 2000
- Primary completion
- Not listed
- Completion
- Jan 31, 2003
- Last update posted
- Jun 20, 2012
2000 – 2003
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Gainesville Clinical Research Center | Gainesville | Florida | 32605 | — |
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 NCT00347685, 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 Jun 20, 2012 · Synced Sep 10, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT00347685 live on ClinicalTrials.gov.