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Int J Immunopathol Pharmacol. 2009 Jan-Mar;22(1):219-25.

Influence and variation of the body mass index in patients treated with etanercept for plaque-type psoriasis.

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  • 1Department of Dermatology, University of Rome Tor Vergata, Rome, Italy. espositomaria@virgilio.it

Abstract

A relationship between psoriasis, pro-inflammatory cytokines and obesity has been demonstrated. Tumour necrosis factor-alpha (TNF-alpha), that is involved in the pathogenesis of psoriasis, is commonly over-expressed in obese subjects, and seems to be derived from inflammatory cells and adipocytes. The primary aim of this study is to investigate whether the Body Mass Index (BMI) of patients influences the clinical response to etanercept, a competitive inhibitor of TNF-alpha approved for the treatment of moderate-to-severe plaque-type psoriasis. The secondary aim is to evaluate whether the TNF-alpha inhibition influences the weight and BMI profile of patients. One hundred patients received 50 mg etanercept twice weekly for 12 weeks, followed by 25 mg. At weeks-12 and 24, treatment efficacy and tolerability were evaluated, as well as body weight and BMI. BMI values did not correlate with etanercept efficacy. Mean PASI score variation did not show significant differences among the BMI groups. A statistically significant weight gain and BMI variation were observed in a consistent rate of patients. Patient BMI does not influence psoriasis efficacy parameters. Although the role of anti TNF-alpha molecules on weight regulation need to be confirmed, our study shows that etanercept treatment may induce weight gain and a BMI increase.

PMID:
19309569
[PubMed - indexed for MEDLINE]
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