-
Randomized Controlled Trial Multicenter Study
The Contribution of Differential Opioid Responsiveness to Identification of Opioid Risk in Chronic Pain Patients.
- Stephen Bruehl, John W Burns, Steven D Passik, Rajnish Gupta, Asokumar Buvanendran, Melissa Chont, Erik Schuster, Daria Orlowska, and Christopher R France.
- Department of Anesthesiology, Vanderbilt University School of Medicine, Nashville, Tennessee. Electronic address: Stephen.Bruehl@vanderbilt.edu.
- J Pain. 2015 Jul 1; 16 (7): 666675666-75.
UnlabelledThe Screener and Opioid Assessment for Patients with Pain-Revised (SOAPP-R) predicts increased risk of opioid misuse in chronic pain patients. We evaluated whether higher SOAPP-R scores are associated with greater opioid reinforcing properties, potentially contributing to their predictive utility. Across 2 counterbalanced laboratory sessions, 55 chronic low back pain sufferers completed the SOAPP-R at baseline and measures of back pain intensity, evoked pain responsiveness (thermal, ischemic), and subjective opioid effects after receiving intravenous morphine (.08 mg/kg) or saline placebo. Morphine effect measures were derived for all outcomes, reflecting the difference between morphine and placebo condition values. Higher SOAPP-R scores were significantly associated with greater desire to take morphine again, less feeling down and feeling bad, and greater reductions in sensory low back pain intensity following morphine administration. This latter effect was due primarily to SOAPP-R content assessing medication-specific attitudes and behavior. Individuals exceeding the clinical cutoff (18 or higher) on the SOAPP-R exhibited significantly greater morphine liking, desire to take morphine again, and feeling sedated; less feeling bad; and greater reductions in sensory low back pain following morphine. The SOAPP-R may predict elevated opioid risk in part by tapping into individual differences in opioid reinforcing effects.PerspectiveBased on placebo-controlled morphine responses, associations were observed between higher scores on a common opioid risk screener (SOAPP-R) and greater desire to take morphine again, fewer negative subjective morphine effects, and greater analgesia. Opioids may provide the best analgesia in those patients at greatest risk of opioid misuse.Copyright © 2015 American Pain Society. Published by Elsevier Inc. All rights reserved.
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