Abstract
TOLBUTAMIDE, a drug widely used in the treatment of diabetes, has been reported to relieve pain in a large proportion of patients with angina pectoris and intermittent claudication1. This clinically useful property of tolbutamide has been related to an acceleration of fibrinolytic activity in the blood2. An alteration in vascular tone might account, however, for a similar clinical response. To test this possibility we examined the effect of tolbutamide on the metabolism of norepinephrine, the sympathetic transmitter. Our results indicate that the drug profoundly alters the intermediary metabolism of this neurohormone in animals. Since treatment with sulphonylurea compounds has been reported3 to cause disulphiram-like reactions we thought at first that norepinephrine metabolism might have been affected at the aldehyde dehydrogenase-level. Our experimental results show, however, that tolbutamide and disulphiram act quite differently on norepinephrine metabolism.
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References
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SMITH, A., FABRYKANT, M., GITLOW, S. et al. Metabolism of DL-Norepinephrine-7-3H in the Guinea Pig treated with Tolbutamide. Nature 193, 577–578 (1962). https://doi.org/10.1038/193577a0
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DOI: https://doi.org/10.1038/193577a0
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Orientierende Übersicht
Ergebnisse der Physiologie Biologischen Chemie und Experimentellen Pharmakologie (1966)
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