Objective To evaluate whether immunological response to influenza vaccination is impaired in patients who are receiving secukinumab.
Patients and methods Subjects suffering from psoriatic arthritis or ankylosing spondylitis who were receiving treatment with secukinumab and healthy volunteers were included.
All participants received seasonal inactivated trivalent influenza vaccine recommended by the WHO in the 2017–2018 northern hemisphere influenza season, which contained an A/Michigan/45/2015 (H1N1)pdm09-like virus, an A/Hong Kong/4801/2014 (H3N2)-like virus and a B/Brisbane/60/2008-like virus.
Haemagglutination inhibition was used to evaluate basal antibody (Ab) titres against the three inﬂuenza vaccine virus strains just before vaccination and at least 4 weeks after the vaccine administration. Response to vaccine was considered as >4-fold increases in Ab titre.
Results Thirty subjects, 17 patients and 13 healthy controls, with a follow-up duration of 33±8 days, were analysed. There were no demographic differences between groups. Patients and controls achieved a median of 4.6-fold and 4.0-fold increases, respectively, for anti H1N1 and almost 4.0 (3.7) for patients and 5.3 for controls for anti-B Ab. Both groups presented a poor response against H3N2, with <1.5-fold increase. Seroconversion rates were similar in both groups. Secukinumab did not influence the response to the influenza vaccine (relative risk: 1.09 (95% CI 0.58 to 2.07) for H1N1, RR: 1.53 (95% CI 0.15 to 15.0) for H3N2 and RR: 0.72 (95% CI 0.32 to 1.83) for B strain).
Conclusion In our study, secukinumab has no effect on the immunogenic response to the influenza vaccine.
- DMARDs (biologic)
- psoriatic arthritis
- Ankylosing Spondylitis
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Collaborators Jesús Llorente. Beatriz Paredes.
Contributors PR conceived and designed the work, contributed to the acquisition and interpretation of data, and wrote the paper. MDM contributed substantially to the acquisition and analysis of data and drafting of the work. FdO contributed substantially to the acquisition and analysis of data. RG-L contributed substantially to the acquisition and analysis of data and drafting of the paper. IC contributed substantially to the acquisition and analysis of data. AMJ-D contributed substantially to the acquisition of data. FC contributed substantially to the acquisition of data. SM-F contributed substantially to the conception of the work and analysis of data. All authors revised critically the work, approved the final version and agreed on all aspects of the work.
Funding The study was approved by La Paz University Hospital Ethic Committee. Approval ID: PI-3076. Data not published is available on request to the corresponding author, Dr PR.
Competing interests SM-F declares he has received grants for conference attendance and educational programmes, as well as consultancy payments from Novartis, during the conduct of the study.
Patient consent for publication Not required.
Provenance and peer review Not commissioned; externally peer reviewed.
Data availability statement The data that support the findings of this study are available on request from the corresponding author, PR.
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