Journal
DERMATOLOGIC THERAPY
Volume 33, Issue 6, Pages -Publisher
WILEY
DOI: 10.1111/dth.14319
Keywords
botulinum toxin; psoriasis
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Funding
- scientific and administrative committee of the International Psoriasis Council (IPC)
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Some studies have demonstrated that neurotransmitters are involved in the pathogenesis of numerous skin conditions, including psoriasis, addressing the close correlation between the skin and the central nervous system. There are reports showing psoriasis improvement after peripheral nervous system injury. In addition, botulinum toxin has been reported as a treatment for several diseases, including psoriasis. This is a proof-of-concept study of botulinum toxin and psoriasis, involving eight patients with stable and recalcitrant plaques of psoriasis vulgaris. The lesions were 5 cm(2)at the maximum. Botulinum toxin Dysport (Ipsen Biopharm, Wrexham, UK), 5 units per cm(2), was administered in one subcutaneous application. Patients were then evaluated at 2 and 4 weeks after treatment. Our results indicated a substantial improvement in all patients, 4 weeks after treatment, with no significant side effects. Our preliminary conclusion is that botulinum toxin represents a novel mechanism for interfering with the immunopathogenesis of psoriasis and improving the quality of life of our patients.
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