Have you heard of pSpA? (Peripheral) pSpA: distinct clinical phenotype w/ intermediate features between pure PsA & pure axSpA but w/ a higher disease burden compared to both diseases, & lower use of b-DMARDs. Abs 1787 #ACR21 #ACRbest #RheumNow @RheumNow https://t.co/Wsysm7A0Y3 https://t.co/rwQ8ukBEDq