期刊
JOURNAL OF DERMATOLOGICAL TREATMENT
卷 32, 期 6, 页码 595-602出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/09546634.2019.1687828
关键词
Psoriasis; psoriasis medications; discontinuation; persistence; adherence
类别
资金
- Janssen Scientific Affairs, LLC
The study evaluated medication discontinuation, persistence, and adherence in psoriasis patients treated with different drugs, with ustekinumab showing lower discontinuation rates and higher persistence and adherence compared to other medications.
Objective: To evaluate medication discontinuation, persistence, and adherence of moderate to severe psoriasis patients treated with adalimumab, apremilast, etanercept, secukinumab, and ustekinumab. Methods: Adult patients diagnosed with psoriasis and >= 1 psoriasis pharmacy or medical claim of any of the five psoriasis medications (index date) and continuous insurance enrollment were included from the Optum Clinformatics database during the intake period (7/1/2014-9/30/2017). Medication discontinuation, persistence, medication possession ratio (MPR), and proportion of days covered (PDC) were evaluated during a 12-month post-index follow-up period, using three gap definitions. Results: Among the study population (n = 8524), 34.4% initiated adalimumab, 25.7% apremilast, 9.0% etanercept, 7.1% secukinumab, and 23.7% ustekinumab. Mean age ranged from 48.7 to 52.2 years. For all three gap definitions, discontinuation was lowest and persistence greatest among ustekinumab treated patients (48.4% and 59.8%, respectively using the default definition). A greater proportion of ustekinumab patients had an MPR >= 80% (81.8%) than adalimumab (67.9%), apremilast (54.9%), etanercept (56.4%), and secukinumab (68.0%) patients. Also, 50.6% of ustekinumab patients had a PDC >= 80% versus 35.6%, 23.9%, 19.5%, and 41.7% of adalimumab, apremilast, etanercept, and secukinumab patients, respectively. Conclusions: Although heterogeneity across cohorts may explain some medication utilization differences, ustekinumab was associated with lower discontinuation and greater persistence and adherence.
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