Pain Responses in Patients on Long-Term Opioid Therapy for Chronic Pain
Clinical trial NCT00656942 · COMPLETED
Trial details
- NCT number
- NCT00656942
- Sponsor
- Massachusetts General Hospital
- Status
- COMPLETED
- Study type
- OBSERVATIONAL
- Start date
- 2006-07-01
- Primary completion
- 2013-10-01
- Enrollment
- 419
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