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Landgraf, Rüdiger; Landgraf-Leurs, Martina M. C.; Weissmann, A.; Hörl, R.; Werder, Klaus von; Scriba, Peter Christian (1977): Prolactin. A diabetogenic hormone. In: Diabetologia, Vol. 13: S. 99-104
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Abstract

During an oral glucose tolerance test (OGTT) glucose and insulin levels were measured in 26 patients with prolactin-producing pituitary tumours without growth hormone excess. Basal glucose and insulin levels did not differ from the values of an age-matched control group. After glucose load the hyperprolactinaemic patients showed a decrease in glucose tolerance and a hyperinsulinaemia. Bromocriptine (CB 154), which suppressed PRL, improved glucose tolerance and decreased insulin towards normal in a second OGTT. — Human PRL or CB 154 had no significant influence on insulin release due to glucose in the perfused rat pancreas. — These findings suggest a diabetogenic effect of PRL. CB 154 might be a useful drug in improving glucose utilization in hormone-active pituitary tumours.