Long term tofacitinib in RA shows lymphocyte #s dropped ~24% by 48 mos. Monitor ALC at baseline & q3 mos; ALC <500 seen in 1.2% of 2983 pts and was assoc w/ higher risk of SIE & Zoster. ALC <500 more likely with low ALC, age, higher dose Tofa & MTX https://t.co/5CHMmoGWJw