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Similar Publications

Dupilumab in a 9-week-old with Netherton Syndrome Leads to Deep Symptom Control.

J Clin Immunol

November 2024

Department of Pediatrics, Dr von Hauner Children's Hospital, Ludwig-Maximilians-University Munich, Lindwurmstraße 4 , Munich, European Union (EU), D-80337 , Germany.

Purpose: Netherton syndrome (NS) is a rare inborn error of immunity (IEI) with an incidence of approximately 1:200,000 and the phenotypic triad of trichorrhexis invaginate (bamboo hair), congenital ichthyosiform erythroderma, and multiple atopic manifestations. Treatment options especially in infants are scarce and generally not licensed.

Methods: Case report of a 9-week-old infant with NS treated with dupilumab off-label.

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Background: Congenital ichthyoses comprise a heterogeneous group of genetic diseases that require lifelong treatment and have a major impact on patients' quality of life. Conventional treatments reduce scaling and skin discomfort; however, they usually have little or no effect on erythema and pruritus. The identification of cytokine alterations in congenital ichthyoses has raised the possibility of repurposing currently available biologics.

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Article Synopsis
  • Primary atopic disorders (PAD) are rare genetic conditions caused by specific gene variants that affect skin and immune function, making diagnosis challenging among common allergic disease cases.
  • Identifying PAD requires recognizing clinical red flags like family history and unusual infections, as conventional lab tests are inadequate for definitive diagnosis.
  • Whole-genome sequencing (WGS) enhances diagnostic efficiency and accuracy, but requires careful interpretation and collaboration among specialists to effectively manage PAD cases.
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Netherton syndrome (NS) is a rare autosomal recessive disorder that occurs due to a loss-of-function mutation in SPINK5; this loss results in significant inflammation, as well as perturbations of the skin barrier's integrity and functionality. While it is unclear which inflammatory pathways contribute to the development of NS, recent studies have demonstrated the expression of interleukin (IL)-17/IL-36, as well as several Th2 cytokines. Consequently, immunohistochemistry (IHC) with IL-36 may serve as a potential tool for aiding the histopathological diagnosis of this condition.

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Article Synopsis
  • Netherton syndrome (NS) is a rare genetic disorder that presents with three main features: skin conditions, hair abnormalities, and allergic tendencies.
  • The cases discussed involved patients with serious skin issues, frequent infections, and allergy-related problems, where microscopic hair examination showed specific hair defects.
  • Genetic testing revealed harmful mutations in the SPINK5 gene, and better skincare and nutrition could enhance the patients' overall well-being.
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