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  • Title: Immunogenicity and safety of vaccination against seasonal influenza vaccine in patients with psoriatic arthritis treated with secukinumab.
    Author: Furer V, Zisman D, Kaufman I, Arad U, Berman M, Sarbagil-Maman H, Elias M, Hadad A, Paran D, Drori Y, Friedman N, Mandelboim M, Elkayam O.
    Journal: Vaccine; 2020 Jan 22; 38(4):847-851. PubMed ID: 31767465.
    Abstract:
    OBJECTIVE: To assess the immunogenicity and safety of vaccination against seasonal influenza in psoriatic arthritis (PsA) patients treated with secukinumab versus healthy controls (HC). METHODS: PsA patients administered secukinumab for ≥3 months and HC received the Sanofi Pasteur vaccine composed of 3 antigens (H3N3, H1N1, and B) and underwent clinical and laboratory assessments on the day of vaccination and 4-6 weeks later. Immunogenicity of the vaccine was evaluated by hemagglutination inhibition assay against those 3 antigens. Responders to each antigen were defined by a 4-fold increase in the antigen titer or by seroconversion in patients whose baseline level was <1/40. RESULTS: Thirty-two consecutive PsA patients treated with secukinumab for ≥3 months comprised the study group, 10 of whom received concomitant conventional synthetic disease-modifying drugs, mostly methotrexate. There were 17 age- and gender-matched HC (median age 48.5 years, 6 females). The geometric mean titers of each antigen increased significantly in both groups. The number of responders in each group was similar for H3N2 and H1N1, and significantly higher for B/Brisbane in the PsA group. The proportion of patients with a seroprotective level (a titer >1/40) was high and similar in both groups. There was no correlation between the response rate and age, gender, or selected parameters of disease activity (tender/swollen joint counts, Leeds enthesitis index, physician and patient global assessment, psoriasis area severity index, and C-reactive protein). No disease exacerbation was observed following the vaccination. No serious adverse effects were observed in both groups during the study period. CONCLUSION: Secukinumab treatment does not affect the humoral response to influenza vaccine of patients with PsA.
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