Abstract
After removal of the gallbladder (cholecystectomy) 7 patients were administered the antirheumatic agent Auranofin in its commercially available tablet form (Ridaura) 3 d postoperative. The single dose consisted of 5 tablets (4.35 mg of gold). Gold was determined in samples of blood, plasma, urine, bile, and feces (1-2 mL and 2.5 g, respectively). The specimens were drawn 10 min to 8 d p.a. and on d 14 p.a. The determinations were performed by instrumental neutron activation analysis (INAA). The limit of detection was less than 1 ng of gold. The courses of the mean gold concentrations show maxima after 1.9 h in blood and plasma, and after 16 h in urine and bile. The mean half-lives (terminal phases) are 7.6 d (blood), 23 d (plasma), and 6.5 d (bile).
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