Evaluation of Effectiveness and Tolerability of Tapentadol Hydrochloride in Subjects With Severe Chronic Low Back Pain Taking Either WHO Step I or Step II Analgesics or no Regular Analgesics
Clinical trial NCT00983385 · COMPLETED
Trial details
- NCT number
- NCT00983385
- Sponsor
- Grünenthal GmbH
- Status
- COMPLETED
- Phase
- Phase 3
- Study type
- INTERVENTIONAL
- Start date
- 2009-09-30
- Primary completion
- 2010-05-01
- Enrollment
- 208
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