Abatacept in rheumatoid arthritis : Survival on drug, clinical outcomes, and their predictors - Data from a large national quality register
Background: There are limited data regarding efficacy of abatacept treatment for rheumatoid arthritis (RA) outside clinical trials. Quality registers have been useful for observational studies on tumor necrosis factor inhibition in clinical practice. The aim of this study was to investigate clinical efficacy and tolerability of abatacept in RA, using a national register. Methods: RA patients that