Impact of Tofacitinib on Components of the ACR Response Criteria: Post Hoc Analysis of Phase III and Phase IIIb/IV Trials.

Among ACR20 responders treated with TOF, physician-reported components particularly exceeded 20% response improvement. At month 3, disease state generally did not corroborate ACR70 response criteria. Divergences between physician- and patient-reported measures highlight the importance of identifying appropriate patient-reported outcome targets to manage RA symptoms in clinical practice. (ClinicalTrials.gov: NCT00847613/NCT00856544/NCT00853385/NCT02187055).