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Malignancies in the rheumatoid arthritis abatacept clinical development programme: an epidemiological assessment
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    Malignancies and abatacept. Commentary on the article by Simon et al.

    Dear editor,

    In the Dec 3, 2008 online issue of The Annals, Simon et al did a comparison of the rate of cancers occurring in the rheumatoid arthritis (RA) abatacept clinical development program with malignancies occurring in five observational RA cohorts (1). The main result of this study is that the rate of cancers in patients included in the clinical trials of abatacept is the same than in RA cohorts.

    This typ...

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    Conflict of Interest:
    None declared.