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Rituximab in rheumatoid arthritis and the risk of malignancies: Report from a French cohort.
MedLine Citation:
PMID:  21196130     Owner:  NLM     Status:  Publisher    
OBJECTIVE: To determine in real-life conditions the safety of treatment with rituximab (RTX) in patients with rheumatoid arthritis (RA) regarding malignancies. METHODS: Analysis of safety data from a cohort of RA patients who received at least one course of RTX. RA patients with previous malignancies were followed-up and compared to the group of patients with no history of malignancy. RESULTS: One hundred and eighty-six RA patients, 33 (17.7%) males, the mean age and disease duration were 55.8±13.0 and 14.5±11.1 years, respectively. The mean follow-up was 22.3±15.1 months, corresponding to a follow-up of 346 pt-years of RTX exposure. Among these, 24 (12.9%) patients had a history of a prior malignancy. Five cancers were diagnosed during follow-up with four new malignancies (1 prostate, 1 breast, 1 colon and 1 cervical cancers) and one recurrence of a known breast cancer. The overall cancer rate was 1.45/100 pt-years (95%CI: 0.19 to 2.70), which is comparable to previously studied DMARD-treated cohorts. No new hematopoietic neoplasms were reported and the six lymphomas that have been in remission prior to RTX-therapy remained under follow-up. The baseline demographic and disease characteristics and the cancer-risk of the 24 patients who presented with a prior malignancy were similar to those with no cancer history (162 patients). CONCLUSIONS: Although based on a modest number of observed cancers, and despite selection bias (12.9% of prior malignancies in our RTX treated RA), this observational study suggests that RTX does not increase the cancer risk in RA patients.
Samy Slimani; Cédric Lukas; Bernard Combe; Jacques Morel
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2010-12-31
Journal Detail:
Title:  Joint, bone, spine : revue du rhumatisme     Volume:  -     ISSN:  1778-7254     ISO Abbreviation:  -     Publication Date:  2010 Dec 
Date Detail:
Created Date:  2011-1-3     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  100938016     Medline TA:  Joint Bone Spine     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2010 Société française de rhumatologie. Published by Elsevier SAS. All rights reserved.
Department of Immuno-Rheumatology, Lapeyronie Teaching Hospital, 34295 Montpellier cedex 5, France.
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