PMID: 3321819Dec 1, 1987Paper

Glucoregulatory hormone response to insulin-induced hypoglycaemia following long-term calcium antagonism with felodipine in patients with essential hypertension

Acta Endocrinologica
P L KatzmanB Hökfelt

Abstract

The effect of 8 weeks' treatment with the dihydropyridine calcium antagonist felodipine on glucoregulatory hormone response following insulin-induced hypoglycaemia was evaluated in 7 patients with essential hypertension, WHO grade I-II. After an iv insulin injection (0.1 IU/kg), blood glucose decrement and nadir were similar before and during felodipine treatment. Basal glucagon, noradrenaline, adrenaline, GH and cortisol levels were unchanged, and the response to insulin-induced hypoglycaemia was similar before and during felodipine treatment. Basal plasma dopamine levels were similar and did not change during insulin-induced hypoglycaemia before and during felodipine treatment. Basal serum levels of TSH, T3 and T4 were unaltered following felodipine. In conclusion, long-term treatment with felodipine did not alter the hypoglycaemic effect of exogenous insulin, or the recovery from hypoglycaemia or the glucoregulatory hormone response to insulin-induced hypoglycaemia in patients with essential hypertension.

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