The Global Burden of Diseases, Injuries, and Risk Factors Study of 2021 has forecasted prevalence of gout to increase by 70% by 2050. In the USA, the prevalence of gout is estimated to be 10.3 million. As of 2020, 55.8 million people globally had gout, with a prevalence of 659.3 per 100 000 (this represents a 22.5% increase since 1990).

CARRA has developed consensus treatment plans for the use of biologic disease-modifying antirheumatic drugs (bDMARDs) in patients with refractory, moderately severe juvenile dermatomyositis. Juvenile dermatomyositis is the most common form of idiopathic, inflammatory myositis in childhood, with an estimated incidence of 3.2 per million children per year in the United States.