BACKGROUND: The genetic basis of predisposition to psoriasis is recognised; however, the response to psoriasis treatment in patients with different genetic predisposition is poorly understood. OBJECTIVE: To analyse the presence of the HLA-C*06:02 polymorphism in psoriatic patients treated with adalimumab. METHODS: Genomic DNA was extracted from whole blood of 122 patients with moderate-to-severe psoriasis treated with adalimumab for 3 years. Genotyping was performed using PCR. Disease severity was assessed by the Psoriasis Area and Severity Index (PASI) at day 0 and after 1, 3, 6, 12, 24 and 36 months. Logistic regression was used to evaluate the association between dependent variables (including HLA-C*06:02 status) and achievement of PASI 50, 75 and 90. RESULTS: No difference was observed after adalimumab treatment between C*06:02 positive (HLA-C*06:02-POS) patients (n = 46) and C*06:02 negative (HLA-C*06:02-NEG) patients (n = 76) over the 3-year follow-up period in terms of PASI response or time-course when PASI response was achieved. However, a small, but non-statistically significant difference was noted between genotypes for PASI 50 at 1 month (HLA-C*06:02-NEG: 44.7% vs. HLA-C*06:02-POS: 56.5%) and at 3 months (HLA-C*06:02-NEG: 71.1% vs. HLA-C*06:02-POS: 80.4%). Simple logistic regression analysis did not reveal an association between independent variables (including C*06:02 status) and PASI response; however, multivariate regression revealed that gender (females better than males) was associated with achievement of PASI 50 at month 1 (OR 0.34, 95% CI 0.16-0.72, p = 0.005) and of PASI 75 at 3 months (OR 0.36, 95% CI 0.16-0.8, p = 0.012). CONCLUSION: Adalimumab reduced long-term severity in patients with moderate-severe psoriasis, independent of their HLA-C*06:02 status.
BACKGROUND: The genetic basis of predisposition to psoriasis is recognised; however, the response to psoriasis treatment in patients with different genetic predisposition is poorly understood. OBJECTIVE: To analyse the presence of the HLA-C*06:02 polymorphism in psoriaticpatients treated with adalimumab. METHODS: Genomic DNA was extracted from whole blood of 122 patients with moderate-to-severe psoriasis treated with adalimumab for 3 years. Genotyping was performed using PCR. Disease severity was assessed by the Psoriasis Area and Severity Index (PASI) at day 0 and after 1, 3, 6, 12, 24 and 36 months. Logistic regression was used to evaluate the association between dependent variables (including HLA-C*06:02 status) and achievement of PASI 50, 75 and 90. RESULTS: No difference was observed after adalimumab treatment between C*06:02 positive (HLA-C*06:02-POS) patients (n = 46) and C*06:02 negative (HLA-C*06:02-NEG) patients (n = 76) over the 3-year follow-up period in terms of PASI response or time-course when PASI response was achieved. However, a small, but non-statistically significant difference was noted between genotypes for PASI 50 at 1 month (HLA-C*06:02-NEG: 44.7% vs. HLA-C*06:02-POS: 56.5%) and at 3 months (HLA-C*06:02-NEG: 71.1% vs. HLA-C*06:02-POS: 80.4%). Simple logistic regression analysis did not reveal an association between independent variables (including C*06:02 status) and PASI response; however, multivariate regression revealed that gender (females better than males) was associated with achievement of PASI 50 at month 1 (OR 0.34, 95% CI 0.16-0.72, p = 0.005) and of PASI 75 at 3 months (OR 0.36, 95% CI 0.16-0.8, p = 0.012). CONCLUSION:Adalimumab reduced long-term severity in patients with moderate-severe psoriasis, independent of their HLA-C*06:02 status.
Authors: M Talamonti; E Botti; M Galluzzo; M Teoli; G Spallone; M Bavetta; S Chimenti; A Costanzo Journal: Br J Dermatol Date: 2013-08 Impact factor: 9.302
Authors: Clara De Simone; Paolo Amerio; Giuseppe Amoruso; Federico Bardazzi; Anna Campanati; Andrea Conti; Paolo Gisondi; Giulio Gualdi; Claudio Guarneri; Luca Leoni; Francesco Loconsole; Annamaria Mazzotta; Maria Letizia Musumeci; Stefano Piaserico; Concetta Potenza; Francesca Prestinari Journal: Expert Opin Biol Ther Date: 2013-10-10 Impact factor: 4.388
Authors: E Gallo; T Cabaleiro; M Román; G Solano-López; F Abad-Santos; A García-Díez; E Daudén Journal: Br J Dermatol Date: 2013-10 Impact factor: 9.302
Authors: Cristina Membrive Jiménez; Cristina Pérez Ramírez; Almudena Sánchez Martín; Sayleth Vieira Maroun; Salvador Antonio Arias Santiago; María Del Carmen Ramírez Tortosa; Alberto Jiménez Morales Journal: J Pers Med Date: 2021-04-12