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Prevalence, pathophysiology and management of itch in epidermolysis bullosa

Journal

BRITISH JOURNAL OF DERMATOLOGY
Volume 184, Issue 5, Pages 816-825

Publisher

WILEY
DOI: 10.1111/bjd.19496

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Funding

  1. DebRA UK

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Epidermolysis bullosa (EB) is a group of inherited skin disorders caused by mutations in genes encoding proteins of the dermoepidermal junction. Itch is a common symptom in EB and may be due to skin inflammation, wound healing cascades, and dysregulated activation of sensory nerve endings. Understanding these mechanisms is crucial for optimizing treatments and improving quality of life for patients with EB.
Epidermolysis bullosa (EB) is a highly diverse group of inherited skin disorders, resulting from mutations in genes encoding proteins of the dermoepidermal junction. Itch (pruritus) is one of the most common symptoms across all EB subtypes. It occurs in blistered or wounded sites, or manifests as a generalized phenomenon, thereby affecting both intact skin and healing wounds. The mechanism of pruritus in EB is unclear. It is likely that skin inflammation secondary to barrier disruption, wound healing cascades and dysregulated activation of epidermal sensory nerve endings are all involved in its pathophysiology on the molecular and cellular level. Understanding these mechanisms in depth is crucial in developing optimized treatments for people with EB and improving quality of life. This review summarizes current evidence on the prevalence, mechanisms and management of itch in EB.

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