The use of biologic and targeted therapies for children with juvenile idiopathic arthritis (JIA) surpassed more typical therapies in recent years, according to Rutgers Health researchers.
Their , published in Arthritis & Rheumatology, examined more than 20 years of data from nearly 14,000 children with JIA throughout the nation.
According to the and , affects about 16 to 150 per 100,000 children in North America, causing chronic inflammation resulting in persistent joint pain, swelling and stiffness. Treatments for JIA aim to alleviate symptoms; normalize physical movement and growth; prevent long-term damage and vision loss; and maximize quality of life. According to researchers, many studies on antirheumatic drug utilization have focused on adults with arthritis than children with JIA.
“JIA can take a heavy toll on the lives of affected children and families,” said , a faculty member at the and a senior author of the study. “Fortunately, the therapeutic landscape has changed dramatically in recent years, and people with JIA have more potentially effective options for treatment.”
Researchers used data from privately insured people spanning the past two decades, enabling them to describe trends over a period of significant expansion in the availability of treatments for JIA. Newer disease-modifying antirheumatic drugs, while often more expensive, are frequently more effective and better tolerated by patients than older conventional agents.
“Our study provides insight into the evolving real-world treatment practices for children with JIA,” said , lead author of the study, PETS trainee and a recent graduate of Rutgers School of Public Health’s master’s degree program in epidemiology with a pharmacoepidemiology concentration.
Initiations of conventional therapies declined by more than 45%, increasingly eclipsed by the use of newer biologic or targeted therapies. Use of adalimumab, one of the most popular biologics on the market today, has risen steadily since its initial approval for rheumatoid arthritis in 2002, representing nearly 80% of first-line biologic or targeted therapies started for JIA by 2022.
“This research sets the stage for future studies that will compare the effectiveness and safety of different therapies used to treat JIA,” said Horton, an associate professor at Rutgers Robert Wood Johnson Medical School and Rutgers School of Public Health and the faculty director of the , which provided access to the data studied.
This study will also be presented at the American College of Rheumatology Convergence on Saturday, Nov. 16, in Washington, D.C.
Coauthors of the study are Greta Bushnell and Chintan Dave of PETS; Lydia Lee of Rutgers Center for Health Outcomes, Policy and Economics and Rutgers School of Public Health; and Melissa Mannion of the University of Alabama at Birmingham.
This research was supported by the Eunice Kennedy Shriver National Institute of Child Health and Human Development, the National Center for Advancing Translational Sciences, the National Heart, Lung, and Blood Institute, the National Institute of Arthritis and Musculoskeletal and Skin Diseases, the National Institute on Drug Abuse, the Rheumatology Research Foundation and the Juvenile Diabetes Research Foundation.
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