Title: The Belgian MIRA (MabThera In Rheumatoid Arthritis) registry: clues for the optimization of rituximab treatment strategies
Authors: Vander Cruyssen, Bert ×
Durez, Patrick
Westhovens, Rene
Kaiser, Marie-Joelle
Hoffman, Ilse
De Keyser, Filip
Mira Study Group, The #
Issue Date: Sep-2010
Series Title: Arthritis Research & Therapy vol:12 issue:5 pages:R169
Abstract: ABSTRACT: INTRODUCTION: This study describes the results of the Belgian "MabThera In Rheumatoid Arthritis (MIRA)" registry: effectiveness, safety and evaluation of the current retreatment practice on the background of the Belgian reimbursement criteria for rituximab. METHODS: All Belgian rheumatologists had the possibility to participate in the study. Patients entered the registry as from November 2006 and the entry is still open. RESULTS: By mid September 2009, 401 patients had entered the registry with a mean follow-up time of 70 weeks. Overall, DAS28-ESR decreased from 6.0 at baseline to 4.2 at week16. Further decrease of disease activity was observed at the end of year 1 and year 2 with mean DAS28-ESR of 4.0 and 3.7 at these respective time points. More than 80% of patients showed a EULAR response at week 16. Patients could be retreated if they had DAS scores of > 3.2 at least 6 months after the previous course. A second and third course were given in 224 and 104 patients respectively. At month 6 after the second course, significantly lower DAS28-ESR values were observed compared to the first course. This was especially the case for patients who were retreated before they showed an obvious flare (DAS increase > 1.2). CONCLUSIONS: This study describes the follow-up of a daily clinical practice cohort of 401 RA patients with long-standing refractory disease treated with rituximab. Relatively high DAS28 values at the start of each retreatment, compared to values 6 months after each treatment course, were noted. Moreover, further decrease of DAS28 scores after the second course were more pronounced, especially, in those who didn't show an obvious flare.
ISSN: 1478-6354
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Rheumatology Section (-)
× corresponding author
# (joint) last author

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