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Italian Journal of Dermatology and Venereology 2021 May 13

DOI: 10.23736/S2784-8671.21.06966-8

Copyright © 2021 EDIZIONI MINERVA MEDICA

lingua: Inglese

Factors related to the onset and recurrence of flares in hidradenitis suppurativa patients treated with adalimumab

Raffaele D. CAPOSIENA CARO 1 , Andrea CHIRICOZZI 2, Andrea SECHI 3, Elisa MOLINELLI 4, Marina VENTURINI 5, Eleonora CANDI 6, Clara DE SIMONE 2, Ketty PERIS 2, Annalisa PATRIZI 3, Annamaria OFFIDANI 4, Piergiacomo CALZAVARA-PINTON 5, Luca BIANCHI 1

1 Dermatology Unit, Department of Systems Medicine, University of Rome Tor Vergata, Rome, Italy; 2 Institute of Dermatology, Università Cattolica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy; 3 Division of Dermatology, Department of Experimental, Diagnostic and Specialty Medicine, University of Bologna, Bologna, Italy; 4 Dermatological Unit, Department of Clinical and Molecular Sciences, Polytechnic Marche University, Ancona, Italy; 5 Department of Dermatology, University of Brescia at ASST-Spedali Civili, Brescia, Italy; 6 Department of Experimental Medicine, University of Rome Tor Vergata, Rome, Italy


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BACKGROUND: Hidradenitis suppurativa (HS) is characterized by periodic worsening of symptoms. However, clinical parameters associated with flare are still to be established. The aim was too investigate factors associated with flare outbreak in HS patients in treatment with adalimumab.
METHODS: Moderate-severe HS patients were included in this retrospective analysis. In total, 115 HS patients treated with adalimumab from 5 Italian centers were reviewed. Gender, ages at onset/baseline, therapeutic delay, family history, body mass index, smoking, comorbidities, phenotypes, body areas involved, Hurley stage, International Hidradenitis Suppurativa Severity Score System (IHS4), Dermatology Life Quality Index (DLQI) and Visual Analogue Scale for pain (pain-VAS) were collected at baseline. Flares were modelled with baseline features using univariate and multivariate Coxregression. The factors significantly correlated with flares in the univariate model were analyzed using a recurrent event survival analysis (Andersen-Gill model) to assess the relation between them and flares recurrence.
RESULTS: During the observation period 80.9% of patients developed flares, detecting 252 flares, overall. A univariate model identified five risk factors associated with the outbreak of flares: age, therapeutic delay, groin involvement, Hurley III, higher IHS4, whereas, from multivariate model, only IHS4 resulted to be significantly correlated. Additionally, flares were positively associated with higher DLQI and pain-VAS. Finally, the Andersen-Gill model showed four factors correlated with flares recurrence: age, therapeutic delay, Hurley III and higher IHS4. The limitations are: study’s retrospective design, absence of a consensus about flare definition.
CONCLUSIONS: An early treatment of HS may prevent both the disease progression and reduce the recurrence of flares.


KEY WORDS: Hidradenitis suppurativa; Flares; Predictive factor; Adalimumab; Guidelines

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