Nedocromil sodium inhibits histamine-induced itch and flare in human skin
Ahluwalia, Poonam, McGill, James I. and Church, Martin K. (2001) Nedocromil sodium inhibits histamine-induced itch and flare in human skin. British Journal of Pharmacology, 132, (3), 613-616. (doi:10.1038/sj.bjp.0703852).
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Description/Abstract
This study was designed to test the hypothesis that nedocromil sodium inhibits sensory nerve function to reduce flare and itch in human skin. Nedocromil sodium (2%) or water (control) was introduced into the volar forearm skin of eight non-atopic volunteers by iontophoresis (8 mC) and histamine (20 μl of 1 μM and 300 nM) injected intradermally 10 min later at the same site. Itch was assessed on a visual analogue scale every 20 s for 5 min. Weal and flare areas and mean blood flux within the flare were assessed by scanning laser Doppler imaging at 10 min. The results showed that nedocromil sodium reduced itch scores, totalled over 5 min, by ~74.0% (P<0.005) and flare areas by ~65% (P<0.03). Neither weal areas nor blood flux within were reduced. These data demonstrate that nedocromil sodium is effective in reducing neurogenic itch and flare in the skin. We suggest that its mechanism of action is modulation of sensory neurone activation or conduction in the skin.
Abbreviations: VAS, visual analogue scale
| Item Type: | Article |
|---|---|
| ISSNs: | 0007-1188 (print) |
| Related URLs: | |
| Keywords: | Nedocromil sodium, itch, flare, skin, histamine, cromones |
| Subjects: | R Medicine > RC Internal medicine > RC0321 Neuroscience. Biological psychiatry. Neuropsychiatry R Medicine > RL Dermatology R Medicine > RM Therapeutics. Pharmacology |
| Divisions: | University Structure - Pre August 2011 > School of Medicine > Infection, Inflammation and Repair |
| Item ID: | 26900 |
| Date Deposited: | 25 Apr 2006 |
| Last Modified: | 01 Jun 2011 14:01 |
| Contributors: | Ahluwalia, Poonam (Author) McGill, James I. (Author) Church, Martin K. (Author) |
| Date: | 2001 |
| Status: | Published |
| Contact Email Address: | mkc@soton.ac.uk |
| URI: | http://eprints.soton.ac.uk/id/eprint/26900 |
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