TOFA Post hoc analysis on 2000pts: ⬆️ Paraoxonase PON1 activity associated w/ ⬇ risk of malignancies (not NMSC) in RA pts treated w/ TOFA, Adj on RA duration, age, and smoking. A promising biomarker! #Abst980 @RheumNow #ACR21 https://t.co/fOILnAyDN9