Insulin Growth Factor-1 Status in Hidradenitis Suppurativa: A French Institutional Pilot Study

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Rousseau, Perrine | Poinas, Alexandra | Masson, Damien | Bach-Ngohou, Kalyane | Nguyen, Jean-Michel | Le Moigne, Marie | Bregeon, Barbara | Vrignaud, Florence | Khammari, Amir, U | Dreno, Brigitte

Edité par CCSD ; Croatian Medical Association -

International audience. Background: Hidradenitis suppurativa (HS) is a chronic inflammatory skin disease of the follicles in the apocrine glands and is associated with a deficiency in the innate immunity of the skin. It is characterized by the occurrence of nodules, abscesses, fistulas, scars.Objective: Although a relationship has already been demonstrated between HS and innate immunity, IGF-1 status in patients with HS is still unknown. The objective of this pilot study was to determine IGF-1 status in patients with HS as well as its potential relationship with the clinical profile of the disease.Methods: This monocentric and cross-sectional study involved 39 patients hospitalized at the Dermatology Department of CHU Nantes between November 2014 and January 2018. Clinical data and IGF1 status were collected during the follow-up consultation.Results: Forty-nine percent of the patients had very low levels of IGF-1. At the clinical level, these patients were young and with a short duration of disease. The major difference was that IGF1-deficient patients had a higher BMI than others. The others factors differing between the two patient groups did not reach statistical significance.Conclusion: This exploratory pilot study indicates that HS with a low level of IGF-1 could represent a specific phenotype of patients with HS. These preliminary results have to be confirmed with a larger cohort, as they could have practical consequences in the therapeutic care of these patients.

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