Abstract
Glucose-6-phosphate dehydrogenase (G6PD) deficiency is an X-linked genetic disorder which can lead to acute haemolytic anaemia following ingestion of fava beans and the administration of certain drugs, mainly in subjects with bacterial or viral infections. It is common in the Mediterranean region and many variants are found in Sardinia. The aim of this study was to evaluate in vivo if treatment with tiaprofenic acid 600 mg daily for 15 days would reduce erythrocyte GSH (reduced glutathione) concentrations and thus produce erythrocytolysis (assessed by evaluation of 51Cr-labelled erythrocyte survival) in subjects with G6PD deficiency. GSH concentrations were also evaluated in vitro after incubation of G6PD-deficient erythrocytes with increasing doses of tiaprofenic acid (20, 50, 100, 150 and 200 mg/L) and with acetylphenylhydrazine 5 mg. The results obtained both in vitro and in vivo confirmed the absence of any oxidative action of tiaprofenic acid on the erythrocytes of G6PD-deficient subjects.
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