Lack of correlation between blood gold concentrations and clinical response in patients with definite or classic rheumatoid arthritis receiving auranofin or gold sodium thiomalate

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Abstract
We investigated the correlation between whole blood gold concentrations and clinical outcomes in 59 auranofin‐treated patients and 51 gold sodium thioma‐late‐treated patients who completed a 21‐week, placebo‐controlled, multicenter parallel trial. Whole blood gold concentrations did not correlate with clinical outcome, as assessed by changes in joint tenderness, joint swelling, or Westergren erythrocyte sedimentation rate. They also did not correlate with toxic reactions necessitating withdrawal from the study.