Abstract
Purpose of Review
Psoriatic arthritis (PsA) is an immune-mediated systemic inflammatory disorder with heterogeneous clinical features. Treatment for PsA has progressed rapidly, especially over the past two decades. Herein we review relevant studies and key developments in treatment options for PsA from the past 5 years.
Recent Findings
Conventional disease-modifying anti-rheumatic drugs (DMARDs) such as methotrexate showed some efficacy for several domains of PsA, albeit less than that achieved with TNF inhibitors (TNFi). TNFi have been shown to be efficacious in treatment across all domains of PsA, particularly preventing radiographic damage, and are highly efficient early in the disease course. Inhibitors of IL-12/23, IL-17A, IL-23, phosphodiesterase 4, T cell costimulation, and janus kinases (JAK) have proven efficacious in the treatment of peripheral arthritis of PsA patients. The introduction of biosimilars to TNFi is expected to impact the treatment algorithm for PsA treatment by increasing access to biologic drugs. Newer treatment modalities including IL-23-specific inhibitors, IL-17A and IL-17F dual inhibitors, and jakinibs (janus kinase inhibitors) with different specificity are currently being developed for treatment of PsA.
Summary
The recent development of new therapeutic agents for PsA has led to better control of PsA across all of its disease domains. The future of PsA management will likely usher in treatment with different mechanisms of action, allow for more access to care, and hopefully see the possibility of precision medicine to help select the optimal treatment approach for individual PsA patients.
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Robert Chao declares that he has no conflict of interest. Arthur Kavanaugh declares he has professional relationships with several companies that have products mentioned in this paper, including Amgen, AbbVie, Eli Lilly, Pfizer, Gilead, Novartis, Celgene, Janssen, and BMS.
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Chao, R., Kavanaugh, A. Psoriatic Arthritis: Newer and Older Therapies. Curr Rheumatol Rep 21, 75 (2019). https://doi.org/10.1007/s11926-019-0866-1
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DOI: https://doi.org/10.1007/s11926-019-0866-1