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. 1986 Apr;62(4):607-13.
doi: 10.1111/j.1365-2141.1986.tb04082.x.

Orally active alpha-ketohydroxy pyridine iron chelators intended for clinical use: in vivo studies in rabbits

Orally active alpha-ketohydroxy pyridine iron chelators intended for clinical use: in vivo studies in rabbits

G J Kontoghiorghes et al. Br J Haematol. 1986 Apr.

Abstract

Increased daily iron excretion from iron overloaded, 59Fe lactoferrin labelled rabbits was observed following the intragastric administration of 1,2-dimethyl-3-hydroxy pyrid-4-one (L1) or 1-ethyl-2-methyl-3-hydroxy pyrid-4-one (L1-NEt) at doses of 200 mg/kg. 59Fe excretion induced by these drugs was predominantly faecal and was comparable to that caused by similar doses of subcutaneous or intramuscular desferrioxamine. The effectiveness of the two alpha-ketohydroxy pyridine chelators was confirmed by repeated administration, intragastrically or by subcutaneous or intramuscular injection, to the same or other rabbits. Examination of the urine during the administration of the chelators revealed their high specificity for iron but not for copper, zinc, calcium or magnesium.

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