• Curr Med Res Opin · Dec 2021

    Treatment patterns and sequencing in patients with rheumatic diseases: a retrospective claims data analysis.

    • Genevieve Gauthier, Rebecca Levin, Francis Vekeman, Juan Manuel Reyes, Esteban Chiarello, and Dario Ponce de Leon.
    • StatLog, Inc., Quebec, Canada.
    • Curr Med Res Opin. 2021 Dec 1; 37 (12): 2185-2196.

    ObjectivesLong-term real-world management of inflammatory rheumatic diseases remains unclear, especially with the advent of new treatment options. This study characterizes the number of advanced treatments used by patients with selected rheumatic diseases (rheumatoid arthritis [RA], psoriatic arthritis [PsA], ankylosing spondylitis, juvenile idiopathic arthritis) and provides a contemporary portrait of treatment patterns and therapeutic sequencing among patients with RA and PsA.MethodPatients were selected from a large US claims database and classified into disease subsamples based on the latest rheumatic diagnosis recorded before/on the day of initiation of the first advanced treatment (index date). The total number of advanced treatments was assessed within the first 5 years following the index date. Treatment patterns and therapeutic sequencing were assessed over the first 2 years.ResultsApproximately 20% of patients received ≥2 distinct advanced treatments during the first year following index date - the proportion increased to almost 50% among patients with 5 years of observation. Most patients (RA: 76.8%; PsA: 88.7%) initiated a tumor necrosis factor as the first advanced treatment. Over the first 2 years after the index date, 1/3 of RA and PsA patients switched to another advanced treatment. More than 50% initiated a second treatment with the same mechanism of action (MOA). A small proportion of patients received a biosimilar.ConclusionDespite advent of treatments with different MOA, cycling between treatments with the same MOA was common. Further studies with longer data follow-up would be needed to assess the impact of higher adoption of biosimilars on treatment patterns/sequencing.

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