Case Reports

Hidradenitis suppurativa characterized by type 2-skewed inflammatory features when associated with atopic dermatitis: critical appraisal of a dupilumab-treated case report

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Published: 15 July 2026
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Atopic dermatitis (AD) and hidradenitis suppurativa (HS) are two common chronic inflammatory skin diseases associated with a significant impairment of patients’ quality of life. Although AD and HS are substantially different from a pathogenetic perspective, recent findings have indicated the existence of potential common pathogenetic mechanisms, including skin barrier alteration. We describe a 29-year-old male with concomitant HS and AD who obtained a marked improvement of both diseases under treatment with dupilumab, a monoclonal antibody that inhibits interleukin (IL)-4/IL-13 signaling. This finding supports the hypothesis that type 2 inflammation and skin barrier dysfunction play a significant role in the pathogenesis of HS.

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Citations

1. Kaakati RN, Tanaka J, Liu B, et al. Atopic dermatitis is associated with hidradenitis suppurativa diagnosis: A single-institution retrospective cohort study. JAAD Int 2021;4:18-24.
2. Sherman S, Kridin K, Bitan DT, et al. Hidradenitis suppurativa and atopic dermatitis: A 2-way association. J Am Acad Dermatol 2021;85:1473-9.
3. Dany M, Elston D. Gene expression of sphingolipid metabolism pathways is altered in hidradenitis suppurativa. J Am Acad Dermatol 2017;77:268-73.e6.
4. Berdyshev E, Goleva E, Bissonnette R, et al. Dupilumab significantly improves skin barrier function in patients with moderate-to-severe atopic dermatitis. Allergy 2022;77:3388-97.
5. Cho MK, Shin JU, Kim DH, Lee HJ. Severe atopic dermatitis and concurrent severe hidradenitis suppurativa successfully treated with dupilumab. Clin Exp Dermatol 2022;47:2303-5.
6. Molinelli E, Sapigni C, Simonetti O, et al. Successfully and safety use of dupilumab in the management of severe atopic dermatitis and concomitant moderate-to-severe hidradenitis suppurativa. Dermatol Ther 2022;35:e15645.
7. Gambardella A, Calabrese G, Di Brizzi EV, et al. A case of atopic dermatitis and Hidradenitis Suppurativa successfully treated with Dupilumab. J Eur Acad Dermatol Venereol 2020;34:e284-6.

How to Cite



1.
Gori N, Ippoliti E, Antonelli F, Manieri L, Peris K. Hidradenitis suppurativa characterized by type 2-skewed inflammatory features when associated with atopic dermatitis: critical appraisal of a dupilumab-treated case report. Dermatol Reports [Internet]. 2026 Jul. 15 [cited 2026 Jul. 26];. Available from: https://journals.pagepress.net/dr/article/view/10292