The journal of allergy and clinical immunology. Global · 2024
Ustekinumab for pyoderma gangrenosum-like skin ulcerations in late-onset leukocyte adhesion deficiency.
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Schmid Florian, Kerl-French Kerstin, Meier-Schiesser Barbara, Lehmberg Kai, Hoeger Peter H
Аннотация
BACKGROUND: Leukocyte adhesion deficiency type 1 (LAD-1) is a congenital immunodeficiency leading to impaired trafficking of neutrophils to inflammation sites. Solitary or multiple pyoderma gangrenosum (PG)-like skin ulcers (PGLUs) have been reported previously in 13 children (aged 0.5-19 years) with LAD-1.
OBJECTIVE: Our aim was to report the case of a 10-year-old boy presenting with PGLUs as the first manifestation of LAD-1 treated with ustekinumab.
METHODS: We obtained in situ cytokine profiles.
RESULTS: PGLUs were triggered by cutaneous ringworm infection (Trichophyton tonsurans). Skin biopsy samples showed increased intralesional expression of IL-17A, Il-23, and IL-1β as compared with their expression in healthy controls. After an unsuccessful attempt at treatment with oral methylprednisolone, ustekinumab induced regression of the ulcerations, associated with complete normalization of the cytokine profile.
CONCLUSIONS: PGLUs, triggered by ringworm infection, can be a late harbinger of LAD-1. Ustekinumab is a safe and effective therapeutic option for patients with LAD-1 and PGLUs while bridging the time until stem cell transplantation.
OBJECTIVE: Our aim was to report the case of a 10-year-old boy presenting with PGLUs as the first manifestation of LAD-1 treated with ustekinumab.
METHODS: We obtained in situ cytokine profiles.
RESULTS: PGLUs were triggered by cutaneous ringworm infection (Trichophyton tonsurans). Skin biopsy samples showed increased intralesional expression of IL-17A, Il-23, and IL-1β as compared with their expression in healthy controls. After an unsuccessful attempt at treatment with oral methylprednisolone, ustekinumab induced regression of the ulcerations, associated with complete normalization of the cytokine profile.
CONCLUSIONS: PGLUs, triggered by ringworm infection, can be a late harbinger of LAD-1. Ustekinumab is a safe and effective therapeutic option for patients with LAD-1 and PGLUs while bridging the time until stem cell transplantation.