Antibodies toward infliximab are associated with low infliximab concentration at treatment initiation and poor infliximab maintenance in rheumatic diseases.

Arthritis Res Ther · 2011 · PMC3218920 · PMID 21708018

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showed a trendno p-value reported

They showed a trend toward fewer reactions to infusions in the group receiving MTX as compared with the group not receiving MTX, although these results were not statistically significant.

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