[Behavior of plasma cortisol in the course of testing with lysine-8-vasopressin and with lysine-8-vasopressin + resperine in normal subjects]

Eight normal subjects were tested with LVP before and after treatment with Reserpine. The results show that Reserpine inhibits the cortisolemic response to the LVP test. This effect can most likely be attributed to the depletion of catecholamines induced by these drugs on the CNS and, in particular, in the Hypothalamus.

[Behavior of plasma cortisol during testing with insulin and with LVP in obese subjects compared to normal subjects after resperine administration]

The behaviour of plasma cortisol levels was studied in fifteen overweight subjects with comparison to normal subjects. In eight subjects the insulin hypoglycemic test was performed before and after medication with reserpine (4mg/24HR); the other seven subjects were tested with LVP before and after treatment with reserpine. In both cases, premedication with reserpine significantly reduce the cortisolemic response. This behaviour is similar to the response observed in normal subjects.