Geertje Margret Bartelds

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OBJECTIVE To investigate how antibodies against anti-tumour necrosis factor (anti-TNF) agents influence response after switching from infliximab to adalimumab in rheumatoid arthritis (RA). METHODS(More)
Production of anti drug antibodies (ADA) in adalimumab treated RA patients is associated with reduced serum adalimumab levels and less clinical response. However, most current assays to measure ADA(More)
OBJECTIVE The objective of this exploratory study was to evaluate the effects and costs of a 6-month course of tumour necrosis factor (TNF) inhibitors on work ability, quality of life, and fatigue in(More)