Efficacy Analysis of Capsaicin 8% Patch in Neuropathic Peripheral Pain Treatment.
PHARMACOLOGY(2018)
摘要
Background/Aims: Several guidelines for neuropathic pain management and various effective drugs are available; however, neuropathic pain remains undertreated. This retrospective study aimed to evaluate the efficacy of topical capsaicin 8% in peripheral neuropathic pain in a routine clinical setting. Methods: Therapeutic efficacy was evaluated through pain intensity, using numerical pain rating scale at baseline and 7-14 days after each treatment, and using pain treatment area (PTA) assessed immediately before each treatment. Results: A total of 43 patients with either postherpetic neuralgia or post-traumatic/post-surgical neuropathic pain were enrolled. The median percentage reduction in numerical pain rating scale score and in PTA was -40.0 (-50.0 to -33.3; 95% CI, bootstrap) and -35.1 (-50.9 to 3.4; 95% CI, bootstrap), respectively. Pain intensity and PTA were equally improved and reduced in both treated conditions. Conclusion: This study suggests that topical capsaicin 8% reduces peripheral neuropathic pain as well as treatment pain area. (C) 2018 S. Karger AG, Basel
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关键词
Capsaicin,Allodynia,Analgesic affect,Peripheral neuropathic pain
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