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GIORNALE ITALIANO DI DERMATOLOGIA E VENEREOLOGIA

A Journal on Dermatology and Sexually Transmitted Diseases


Official Journal of the Italian Society of Dermatology and Sexually Transmitted Diseases
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Giornale Italiano di Dermatologia e Venereologia 2017 Jul 11

DOI: 10.23736/S0392-0488.17.05688-7

Copyright © 2017 EDIZIONI MINERVA MEDICA

language: English

Serum levels of tumor necrosis factor-alpha in patients with psoriasis before, during and after narrow-band UVB phototherapy

Maria T. ROSSI 1, Marina VENTURINI 1 , Arianna ZANCA 1, Mariachiara ARISI 1, Marta FUSANO 1, Alessandra SOTTINI 2, Federico SERANA 2, Luisa IMBERTI 2, Piergiacomo CALZAVARA-PINTON 1

1 Department of Dermatology, Spedali Civili of Brescia, University of Brescia, Brescia, Italy; 2 CREA, Diagnostics Department, Spedali Civili of Brescia, University of Brescia, Brescia, Italy


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BACKGROUND/PURPOSE: Narrow-band UVB (NB-UVB) phototherapy is widely used worldwide for moderate and severe psoriasis, which is a chronic autoimmune inflammatory disease characterized by skin infiltrates of Th1-, Th17- and Th22-cells releasing locally pro- inflammatory cytokines. We investigate serum levels of tumor necrosis factor-α (TNF-α) in psoriatic patients before and after NB-UVB phototherapy.
METHODS: Twenty-eight subjects with moderate/severe plaque type psoriasis were enrolled. The severity of skin involvement was rated according to the Psoriasis Area and Severity Index (PASI) score at baseline (T0) and after 4 (T1) and 12 (T2) weeks of NB-UVB treatment. At the same time points, blood samples were taken for evaluation of TNF-α levels. NB-UVB phototherapy was administered twice weekly on non-consecutive days until 12 weeks.
RESULTS: The median PASI score significantly decreased from 12.0 at baseline (T0), to 6.9 after 4 weeks (T1, p<0.001) and to 0 after 12 weeks (T2, p<0.001). TNF-α serum levels significantly increased in respect to the baseline after 12 weeks of therapy.
CONCLUSION: NB-UVB phototherapy is highly effective against psoriasis but, as it increases the TNF-α serum level, it seems unlikely that it can decrease the chronic inflammatory state that is thought to be responsible of the systemic co-morbidities of psoriasis.


KEY WORDS: Narrow-band UVB phototherapy - Psoriasis - Tumor necrosis factor-alpha

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Publication History

Article first published online: July 11, 2017
Manuscript accepted: June 5, 2017
Manuscript received: May 13, 2017

Cite this article as

Rossi MT, Venturini M, Zanca A, Arisi M, Fusano M, Sottini A et al. Serum levels of tumor necrosis factor-alpha in patients with psoriasis before, during and after narrow-band UVB phototherapy. G Ital Dermatol Venereol 2017 Jul 11. DOI: 10.23736/S0392-0488.17.05688-7

Corresponding author e-mail

marina.venturini@unibs.it