Simplified GRAPPA treatment recommendations [4].
*combination csDMARDS and TNFi common in clinical practice. **Conditional recommendations: At the time these recommendations were published, these drugs were not approved or recommendations were based on data from abstracts. csDMARD, conventional synthetic DMARD; CSA, cyclosporin A; GRAPPA, Group for Research and Assessment of Psoriasis and Psoriatic Arthritis; IL-17i, interleukin-17 inhibitor; IL-12/23i, interleukin-12/23 inhibitor; LEF, leflunomide; MTX, methotrexate; NSAIDS, nonsteroidal anti-inflammatory drugs; PDE-4i, phosphodiesterase 4 inhibitor; SSZ, sulfasalazine; tsDMARD, targeted synthetic DMARD; TNFi, tumor necrosis factor inhibitor