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Clinical Epidemiology and Ageing

Trends in hospitalization rates for psoriasis flares since the introduction of biologics: a time series in France between 2005 and 2015.

Polivka L, Oubaya N, Bachelez H, Paul C, Richard MA, Beylot-Barry M, Schmutz JL, Beneton N, Mahé E, Viguier M, Chosidow O, Canoui-Poitrine F, Sbidian E J Eur Acad Dermatol Venereol. 2018;32(11):1920-1929.

BACKGROUND: In the late 2000s, the introduction of biologics transformed the prognosis for patients with moderate-to-severe psoriasis. We hypothesized that treatment with biologics may associate with a reduction in the hospitalization rate for psoriasis flares.

OBJECTIVE: To analyse changes over time in the hospitalization rate for psoriasis flares.

METHODS: We included inpatient stays in any of nine French hospitals between 2005 and 2015 for a psoriasis flare, as documented in the national inpatient database. In two centres, we also analysed data from the individual patients' electronic medical records.

RESULTS: A total of 3572 stays were included. The introduction of biologics was not associated with a decrease in the number of hospitalizations for a psoriasis flare; on the contrary, we observed a non-significant increase in the number of hospitalizations (13 hospitalizations for psoriasis flares per quarter per 10 000 beds). In the two-centre study, the introduction of biologics was associated with a significant increase in the hospitalization of patients receiving topical treatments only (520 hospitalizations per year per 10 000 beds) and those with a first psoriasis flare.

CONCLUSION: The number of hospitalizations for a psoriasis flare tended to increase between 2005 and 2015. The availability of additional treatment options might have increased patient demand and/or broadened the indications in clinical practice.

DOI: 10.1111/jdv.15044

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