Background: Treatments for inflammatory bowel diseases (IBD) have evolved in the era of biologics. However, the real-world data on their usage patterns and sequencing are still limited.
Objectives: We aimed to investigate treatment persistence and dose intensification of first- and second-line biologics in patients with IBD.
Design: In this retrospective, cohort study using nationwide claims data, 13,087 patients with IBD initiating biologic therapy between 2010 and 2020 were identified.
Methods: Treatment persistence and dose intensification during the first 2 years and switching patterns of biologics were analysed while identifying predictors of non-persistence.
Results: As a first-line treatment of Crohn's disease (CD), ustekinumab had a lower risk for non-persistence compared to infliximab [adjusted hazard ratio (aHR), 0.69, = 0.048]. Second-line ustekinumab and vedolizumab showed the highest and lowest persistence (79.2% and 54.9%), respectively. As a first-line treatment of ulcerative colitis (UC), golimumab had a higher risk for non-persistence compared to infliximab (aHR, 1.68, < 0.001). Second-line golimumab also showed a significantly lower persistence rate than adalimumab and vedolizumab. The risk of non-persistence was higher in UC than in CD (first line: aHR, 1.97; second line: aHR, 1.39; < 0.001), and in the second-line treatment than in the first-line treatment for CD (aHR, 1.55; < 0.001). The cumulative rate of dose intensification was highest with ustekinumab for CD (first line, 43.3%, second line, 69.1%) and adalimumab for second-line UC (40.7%). It was significantly increased in second-line therapy in CD, but not in UC. Among switchers of first-line anti-tumour necrosis factor-α inhibitor therapy, after all biologics were approved, 69% of CD patients and 78.4% of UC patients switched to other classes of second-line treatment.
Conclusion: Ustekinumab had higher persistence in the first-line treatment of CD, while golimumab had lower persistence for first- and second-line treatments of UC. Dose intensification rates varied, with the highest cumulative rates observed for ustekinumab in CD and adalimumab in second-line UC.
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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10541745 | PMC |
http://dx.doi.org/10.1177/17562848231201728 | DOI Listing |
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