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Updated: Apr 12, 2026

Author Spotlight: Self-Assessment Protocol for Predicting Psoriatic Arthritis in Psoriasis Patients
Published on: March 1, 2024
Pharmacogenetics of treatment response in psoriatic arthritis
Meghna Jani1, Anne Barton, Pauline Ho
1Arthritis Research UK Centre for Genetics and Genomics; Centre for Musculoskeletal Research, University of Manchester, Room 2.704, Stopford Building, Oxford Road, Manchester, M13 9PT, UK, Meghna.Jani@manchester.ac.uk.
Abstract:
TNF-blocking agents, non-biological disease-modifying anti-rheumatic drugs (nbDMARDs) and non-steroidal anti-inflammatory drugs (NSAIDs) are commonly prescribed treatments in psoriatic arthritis. A large proportion of patients do not respond to these medications, although unfortunately clinically useful biomarkers that predict future response are currently lacking. Several candidate gene polymorphisms have been associated with responses to biologic therapies and nbDMARDs; however, replication and validation of these variants in large prospective psoriatic arthritis cohorts are required before translating these to clinical practice. In this review, we discuss the advances made in pharmacogenetics of treatment response in psoriatic arthritis to date, with focus on biologic therapies approved for use, nbDMARDs and NSAIDs, as well as outline emerging methodologies to obtain data that will help inform a future precision medicine approach in this condition.
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