Abstract
Psoriasis, an autoimmune skin condition, affects 2%-4% of the global population, with significant prevalence among women of childbearing age. Pregnancy presents challenges in managing psoriasis due to hormonal changes and treatment safety concerns. Understanding treatment patterns in pregnant women is crucial, given limited real-world evidence. Explore the utilization patterns of medications among pregnant women diagnosed with psoriasis within a real-world data, utilizing data sourced from a nationwide database in Taiwan. This nationwide study utilized Taiwan's National Health Insurance (NHI) database and Birth Certificate Application. It included registered pregnant women diagnosed with psoriasis from 2005 to 2014. Medication usage was tracked three years before conception to three years after delivery. Medications were categorized based on Anatomical Therapeutic Chemical (ATC) codes, and statistical analyses were conducted using SAS software. A total of 30,267 pregnant women with psoriasis were studied. 11,651 (38.49%) mothers had received at least one prescription during follow-up (exposed group), and >60% had never received medication (unexposed group). Demographics and comorbidities were similar between these two groups. Topical corticosteroids were the most prescribed treatment, followed by phototherapy, with systemic drugs and biologics less common. During the study period, 11,096 women with psoriasis had used topical corticosteroids, 3,376 had used non-steroidal topical agents, 218 had used systemic agents or biologics, and 519 had received treatment with phototherapy. Medication usage declined during pregnancy, reaching its lowest in the third trimester but rebounded postpartum. Psoriasis medications, systemic, biological, or topical, were largely discontinued during pregnancy, sometimes up to 2 years before and extending postpartum. Research is needed to understand its impact on maternal and child health.
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