Efficacy and Safety of Oxymorphone Extended Release in Opioid-Experienced Patients With Chronic Non-Malignant Pain
Public ClinicalTrials.gov record NCT00226421. 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
An Open-Label Titration Followed by a Randomized, Double-Blind, Placebo-Controlled Study to Assess the Efficacy, Tolerability, and Safety of Oxymorphone Extended Release Tablets in Opioid-Experienced Patients With Chronic Low Back Pain
Study identification
- NCT ID
- NCT00226421
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 3
- Lead sponsor
- Endo USA Inc., a Keenova Therapeutics Company
- Industry
- Enrollment
- 120 participants
Conditions and interventions
Conditions
Interventions
- Oxymorphone Extended Release Drug
Drug
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, 2004
- Primary completion
- Not listed
- Completion
- Jul 31, 2005
- Last update posted
- Jan 1, 2024
2004 – 2005
United States locations
- U.S. sites
- 31
- U.S. states
- 18
- U.S. cities
- 29
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Southern Drug Research | Hueytown | Alabama | 35023 | — |
| Phoenix Center for Clinical Research | Phoenix | Arizona | 85015 | — |
| Arizona Research | Phoenix | Arizona | 85023 | — |
| Express Care Clinical Research | Colorado Springs | Colorado | 80909 | — |
| Glasgow Family Practice | Newark | Delaware | 19702 | — |
| Radiant Research | Daytona Beach | Florida | 32114 | — |
| University Clinical Research | DeLand | Florida | 32720 | — |
| LCFP Inc. | Fort Myers | Florida | 33907 | — |
| Century Clinical Research | Holly Hill | Florida | 32117 | — |
| Ocala Rheumatology Research Center | Ocala | Florida | 34474 | — |
| The Arthritis Center | Palm Harbor | Florida | 34684 | — |
| Radiant Research | Pinellas Park | Florida | 33781 | — |
| Park Place Therapeutic Center | Plantation | Florida | 33324 | — |
| Comprehensive Neurology Specialists | Atlanta | Georgia | 30338 | — |
| Comprehensive Neuroscience | Atlanta | Georgia | 30338 | — |
| Pain Specialists of Greater Chicago | Burr Ridge | Illinois | 60527 | — |
| Mid-America Physiatrists | Overland Park | Kansas | 66211 | — |
| Research Medical Center | Kansas City | Missouri | 64132 | — |
| Radiant Research | St Louis | Missouri | 63141 | — |
| Comprehensive Clinical Research | Berlin | New Jersey | 08009 | — |
| Piedmont Anesthesia | Winston-Salem | North Carolina | 27103 | — |
| Health Research Institute | Oklahoma City | Oklahoma | 73109 | — |
| Pain Consultants of Oregon | Eugene | Oregon | 97401 | — |
| Keystone Medical Research | Altoona | Pennsylvania | 16602 | — |
| Perkiomen Valley Family Practice | Collegeville | Pennsylvania | 19426 | — |
| Feasterville Family Health Center | Feasterville | Pennsylvania | 19053 | — |
| Fleetwood Clinical Research | Fleetwood | Pennsylvania | 19522 | — |
| Paragon Clinical Research | Cranston | Rhode Island | 02920 | — |
| Waccamaw Pain Management | Murrells Inlet | South Carolina | 29576 | — |
| KRK Medical Research | Richardson | Texas | 75080 | — |
| Jean Brown Research | Salt Lake City | Utah | 84124 | — |
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 NCT00226421, 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 Jan 1, 2024 · Synced Jul 22, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT00226421 live on ClinicalTrials.gov.