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Background: The aim of this study is to assess treatment patterns and pharmaco-utilization in patients with psoriatic arthritis (PsA) in Italy. Methods: A retrospective analysis using administrative databases of six Local Health Units was performed. All adult patients with PsA diagnosis and ≥1 prescription for biologic/targeted-synthetic (b/ts) disease-modifying antirheumatic drugs (DMARDs) from January 2010 to March 2017 were included. The date of first b/tsDMARD prescription was defined index-date. Follow-up lasted 1-year post index-date. Patients without b/tsDMARDs prescription pre index-date were defined bionaïve. Results: Of the 1,056 patients included, 33% received adalimumab, 30% etanercept, 10% golimumab, 9% secukinumab, 7% infliximab, 6% ustekinumab, 4% certolizumab, and 1% apremilast. During follow-up, persistence with b/tsDMARDs was observed in 79.8% of patients, 10.8% switched therapies, dose change occurred in 15.8% of patients, 47.4% received an add-on. Among bionaïve patients (n = 591), 67.0% were persistent with b/tsDMARDs, 10.1% switched therapy, 14.5% required a dose change and 45.8% an add-on. Discontinuation was observed in 10.6% of total PsA population and in 24.8% of bionaïve patients. Conclusion: This analysis provided insights on drug utilization patterns for PsA in an Italian real-world setting. Our results show that treatment regimen changes occur in a high proportion of PsA patients. [ABSTRACT FROM AUTHOR]

Introduction: The objective of this study was to evaluate treatment patterns in patients with rheumatoid arthritis (RA), with a focus on the utilization of baricitinib, an oral highly selective Janus kinase 1 and 2 inhibitor, in an Italian real-world setting. Methods: This observational retrospective analysis was based on data collected in selected Italian administrative databases. Patients aged ≥ 18 years with a diagnosis of RA defined by hospitalization discharge diagnosis (International Classification of Diseases, Ninth Revision, Clinical Modification code 714.0) or by disease exemption code 006 for RA in 2018 were included. The index date (ID) was defined as the date of first prescription for a drug indicated for RA during the inclusion period. Patients without a prescription for biologic/targeted synthetic disease-modifying antirheumatic drugs (b/tsDMARDs) before the ID were considered to be b/tsDMARD naïve. A further analysis was performed on patients only receiving baricitinib. Results: A total of 41,290 RA patients were enrolled, of whom 55.6% were not treated with conventional synthetic DMARDs (csDMARDs) or b/tsDMARDs, 39.4% were receiving therapy with csDMARDs, and 5.0% were using b/tsDMARDs. In the latter group, 2.7% (n = 56) were receiving therapy with baricitinib. In 2018, 13.2% of csDMARD-treated patients switched to b/tsDMARDs, of whom 4.3% (n = 93) of these switched to baricitinib. In total, 149 patients (mean age ± standard deviation 57.6 ± 12.1; 12.8% male) had a baricitinib prescription, of whom 51% were b/tsDMARD naïve. At baseline, 61.7% of baricitinib users were receiving combination therapy with csDMARDs plus corticosteroids, 26.2% were receiving combination therapy with corticosteroids, and 8.1% were receiving combination therapy with csDMARDs; 4% were receiving baricitinib monotherapy. During follow-up, the proportion of patients receiving baricitinib monotherapy increased to 38.9%, while 26.9, 18.8, and 15.4% of baricitinib users received combination therapy with corticosteroids, csDMARDs plus corticosteroids, and csDMARDs, respectively. Conclusion: This study provides a current view of the treatment patterns in Italian patients with RA in a real-world setting of daily clinical practice, with a focus on baricitinib utilization. [ABSTRACT FROM AUTHOR]