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The efficacy and safety of pregabalin in the treatment of neuropathic pain associated with chronic lumbosacral radiculopathy
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| Institution/Organisation |
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A0081007 Investigators
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| Abstract |
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| We evaluated the efficacy of pregabalin in patients with chronic lumbosacral radiculopathy. This randomized, controlled, withdrawal trial included five phases: screening (418 days); run-in (410 days) to screen out placebo responders; single-blind (28 days) to identify pregabalin responders; double-blind to randomize responders to pregabalin or placebo (35 days); and final study medication taper (7 days). The primary endpoint was time to loss of response (LOR) during the double-blind phase (⩾1-point increase in pain, discontinuation, or rescue-medication use). In the single-blind phase, 58% of patients had ⩾30% pain reduction. In the double-blind phase, pregabalin (n = 110) and placebo (n = 107) groups did not differ significantly in time to LOR. Adverse events caused the discontinuation of 9.9% and 5.6% of pregabalin-treated and placebo-treated patients, respectively. Most patients with chronic lumbosacral radiculopathy responded to pregabalin therapy; however, time to LOR did not significantly differ between pregabalin and placebo. Considering the results of all phases of the study, it is difficult to draw definitive conclusions from it, suggesting a need for further work to understand the clinical potential of pregabalin treatment for lumbosacral radiculopathy. | | |
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English
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Pain / International Association for the Study of Pain. - Amsterdam | |
| Publication |
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Amsterdam : 2010
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0304-3959
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150:3(2010), p. 420-427
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| ISI |
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000281675000012
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