RT Journal Article SR Electronic A1 Rizzo, Toni T1 Efficacy of Different Doses of Rituximab for the Treatment of RA: Data from the CERERRA Collaboration JF MD Conference Express YR 2012 FD SAGE Publications VO 12 IS 9 SP 11 OP 12 DO 10.1177/155989771209008 UL http://mdc.sagepub.com/content/12/9/11.abstract AB The approved dose of rituximab for the treatment of rheumatoid arthritis (RA) is 1000 mg × 2, but some data have suggested similar clinical efficacy with rituximab 500 mg × 2. The objective of this analysis was to compare the efficacy of the 2 doses, given as first or second treatment courses. The data for this analysis were obtained from the European Collaborative Registries for the Evaluation of Rituximab in Rheumatoid Arthritis [CERERRA], which includes 10 European registries.