New Guideline for the Treatment of Psoriatic Arthritis Arthritis & Rheumatology | December 18, 2018 Excerpted and adapted from: Singh JA, Guyatt G, Ogdie A, et al. 2018 American College of Rheumatology/National Psoriasis Foundation guideline for the treatment of psoriatic arthritis. Arthritis Rheumatol. 2019 Jan;71(1). ad goes here:advert-1ADVERTISEMENT Page: 1 2 | Single Page Share: