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Title:

Treatment satisfaction in osteoarthritis and chronic low back pain: the role of pain, physical and emotional functioning, sleep, and adverse events

Author(s):

Dworkin RH, Jensen MP, Gould E, Jones BA, Xiang Q, Galer BS, Gammaitoni AR

Year:

2011

Publication Info:

Journal of Pain, 12(4):416-424

Abstract:

Global ratings of treatment satisfaction and improvement can provide an opportunity for patients to aggregate multiple aspects of their treatment into a single measure of its perceived benefits and disadvantages. Although such measures have been recommended for chronic pain clinical trials, only limited data are available that address the hypothesis that they reflect multiple aspects of patients' treatment experience. Our objective was to identify the factors that make independent contributions to ratings of treatment satisfaction. We analyzed data from 5 open-label clinical trials of lidocaine patch 5% in osteoarthritis knee pain and chronic low back pain that were 2 to 12 weeks in duration. A total of 383 patients completed the Patient Global Assessment of Treatment Satisfaction scale and measures of pain, interference with physical and emotional functioning, sleep interference, and adverse events. The results of multivariate analyses indicated that improvements in measures of pain intensity, pain relief, and interference with physical functioning each made independent contributions to treatment satisfaction in both groups of patients. Improvements in interference with emotional functioning and sleep and the presence and severity of adverse events were not associated with satisfaction. PERSPECTIVE: Measures of treatment satisfaction can reflect different aspects of the patient's treatment response, including improvements in pain and physical functioning. Increased understanding of such global measures may facilitate development of clinical trial outcomes that allow patients to evaluate with minimal burden those aspects of the treatment experience they consider personally meaningful.

Link to Article:

http://www.ncbi.nlm.nih.gov/pubmed/20869325

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