18 Marzo 2022
Andrew Blauvelt, Nianwen Shi, Najwa Somani, Russel Burge, Baojin Zhu, Terri L Ridenour, Carolyn R Lew, Nicole M Zimmerman, Bilal Atiya, Mwangi J Murage

Comparison of two-year treatment adherence, persistence, discontinuation, reinitiation, and switching between psoriasis patients treated with ixekizumab or secukinumab in real-world settings

J Am Acad Dermatol. 2022 Mar;86(3):581-58

Key messages

  • L’obiettivo del presente studio è stato quello di valutare i pattern del trattamento con secukinumab e ixekizumab tra i pazienti con psoriasi in un periodo di 24 mesi.
  • Nel periodo di 24 mesi, i pazienti in trattamento con ixekizumab hanno mostrato migliori livelli di persistenza e aderenza terapeutiche e un minor rischio di interruzione del farmaco rispetto ai pazienti in trattamento con secukinumab in un setting real-world.


Real-world data on long-term treatment patterns associated with interleukin-17A inhibitors in plaque psoriasis are lacking.

To compare ixekizumab or secukinumab treatment patterns over a 24-month period among plaque psoriasis patients.

Adult patients with psoriasis who had 1 or more claims for ixekizumab or secukinumab between March 1, 2016, and October 31, 2019, and with 24 months of follow-up after starting treatment were identified from IBM MarketScan claims databases. Inverse probability of treatment weighting and multivariable models were employed to balance cohorts and estimate the risks of nonpersistence, discontinuation, and switching and odds of highly adherent treatment (proportion of days covered ≥80%).

A total of 471 ixekizumab and 990 secukinumab users were included. Compared to secukinumab, ixekizumab use was associated with a 20% lower risk of nonpersistence (hazard ratio, 0.80; 95% CI, 0.70-0.92), a 17% lower risk of discontinuation (hazard ratio, 0.83; 95% CI, 0.72-0.96), and a 42% higher odds of being highly adherent to treatment (odds ratio, 1.42; 95% CI, 1.12-1.80). No difference in risk of switching was observed (hazard ratio, 0.83; 95% CI, 0.68-1.01).

Disease severity and clinical outcomes were unavailable.

Over 24 months, ixekizumab users exhibited better persistence and adherence, and a lower risk of discontinuation than secukinumab users in real-world settings.

dosing; ixekizumab; psoriasis; secukinumab; treatment adherence; treatment discontinuation; treatment persistence; treatment reinitiation; treatment switching.

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