Pharmacoepidemiology and drug safety · 2024
Biologics Used for Psoriasis: A Drug Utilization Study Based on Two Nationwide Danish Data Sources.
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Engel-Andreasen Nanna Philbert, Hallas Jesper, Jensen Peter, Egeberg Alexander, Reilev Mette
Аннотация
PURPOSE: Biological treatment has been a game changer in the management of moderate-to-severe psoriasis. In Denmark, biological treatment for psoriasis is registered in two data sources. We aimed to describe the utilization of biologics for psoriasis in Denmark using data from both data sources separately.
METHODS: We used data from two different nationwide Danish data sources: The healthcare registries and the clinical quality database, Dermbio. Utilization patterns were described by three different parameters: (1) distribution of drugs used in the first treatment episodes, (2) treatment cascade on a population level, and (3) drug survival using Kaplan Meier (KM) analysis and the proportion of patients covered (PPC) method.
RESULTS: From January 1, 2011, to December 31, 2018, we found 1878 users of biologics in the healthcare registries and 2264 in Dermbio. Adalimumab, ustekinumab, and secukinumab were the most common first-choice treatments throughout the study period. According to the healthcare registries, it was most common to have more than one treatment episode with the same drug. In Dermbio, most were registered to have only one observable treatment episode overall in the study period. Ustekinumab showed the longest drug survival in both databases. Drug survival was longer for all biologics in Dermbio than in the healthcare registries.
CONCLUSION: Adalimumab, ustekinumab, and secukinumab were the most common first-choice treatments in Denmark. Overall, ustekinumab showed the longest drug survival. We observed important differences in treatment cascades and drug survival between Dermbio and the healthcare registries, which should be considered when using these data sources to perform drug utilization studies on biologics.
METHODS: We used data from two different nationwide Danish data sources: The healthcare registries and the clinical quality database, Dermbio. Utilization patterns were described by three different parameters: (1) distribution of drugs used in the first treatment episodes, (2) treatment cascade on a population level, and (3) drug survival using Kaplan Meier (KM) analysis and the proportion of patients covered (PPC) method.
RESULTS: From January 1, 2011, to December 31, 2018, we found 1878 users of biologics in the healthcare registries and 2264 in Dermbio. Adalimumab, ustekinumab, and secukinumab were the most common first-choice treatments throughout the study period. According to the healthcare registries, it was most common to have more than one treatment episode with the same drug. In Dermbio, most were registered to have only one observable treatment episode overall in the study period. Ustekinumab showed the longest drug survival in both databases. Drug survival was longer for all biologics in Dermbio than in the healthcare registries.
CONCLUSION: Adalimumab, ustekinumab, and secukinumab were the most common first-choice treatments in Denmark. Overall, ustekinumab showed the longest drug survival. We observed important differences in treatment cascades and drug survival between Dermbio and the healthcare registries, which should be considered when using these data sources to perform drug utilization studies on biologics.