PMID: 11911994Mar 26, 2002Paper

The addition of glyceryltrinitrate to capsaicin cream reduces the thermal allodynia associated with the application of capsaicin alone in humans

Neuroscience Letters
R A Walker, Gary McCleane

Abstract

The aim of this study was to determine whether topical application of capsaicin cream causes thermal allodynia and the extent to which this is attenuated by the addition of glyceryltrinitrate (GTN). This was a double blind placebo controlled study of 40 consenting adult subjects. Each of four cream combinations (GTN, capsaicin, GTN/capsaicin and vehicle) were applied to the subjects with at least a 1 day interval between each application. Water at a known temperature was applied to the standard area of skin where cream had been applied. Subjects rated the resulting thermal allodynia using a 0-10 Likhert score. Thermal allodynia is usually apparent when warm water is applied to skin containing capsaicin. The thermal allodynia caused by the topical application of capsaicin was significantly reduced by the addition of GTN. The addition of GTN to capsaicin cream significantly reduces the thermal allodynia associated with the application of capsaicin cream alone.

Citations

Jul 5, 2003·Neuroscience Letters·Elke WeisshaarHarald Gollnick
Dec 7, 2007·Anesthesiology Clinics·Gary McCleane
Nov 23, 2011·Postgraduate Medicine·Matthew J Bair, Tamara R Sanderson
Apr 5, 2008·Clinics in Geriatric Medicine·Gary McCleane

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