Pain Responses in Patients on Long-Term Opioid Therapy for Chronic Pain
Completed
- Conditions
- Chronic Pain
- Interventions
- Device: Quantitative Sensory Testing (QST)
- Registration Number
- NCT00656942
- Lead Sponsor
- Massachusetts General Hospital
- Brief Summary
The MGH Center for Translational Pain Research is seeking patients with chronic pain for a research study. The study is looking at the effect of opioid (narcotic) pain medicines on pain sensation, threshold and tolerance.
- Detailed Description
The study consists of one visit, in which an interview, physical exam, lab work (urine test) and sensory testing will be done. The testing (Quantitative Sensory Testing) is noninvasive (no needles) and involves heat and cold stimulation. Compensation and some parking reimbursement provided.
Recruitment & Eligibility
- Status
- COMPLETED
- Sex
- All
- Target Recruitment
- 419
Inclusion Criteria
Not provided
Exclusion Criteria
Not provided
Study & Design
- Study Type
- OBSERVATIONAL
- Study Design
- Not specified
- Arm && Interventions
Group Intervention Description Pain, opioid Quantitative Sensory Testing (QST) * subjects have chronic pain and have been taking opioid medication for at least 3 months * subjects receive QST Pain, no opioid Quantitative Sensory Testing (QST) * subjects have chronic pain but have not taken any opioid medication for at least 3 months * subjects receive QST Healthy Quantitative Sensory Testing (QST) * subjects with no pain and no opioid treatment for at least six months * subjects receive quantitative sensory testing (QST)
- Primary Outcome Measures
Name Time Method Response to warm/cold temperature 2 hours Responses to warm/cold temperatures will be recorded by the Quantitative Sensory Testing device (QST).
- Secondary Outcome Measures
Name Time Method
Trial Locations
- Locations (1)
MGH Center for Translational Pain Center
🇺🇸Boston, Massachusetts, United States