The aim of this study was to evaluate the influence of nimodipine on non-migrainous vascular headache in patients with chronic cerebral ischemia. Eighty-six patients were examined in a double-blind trial for 16 weeks (12 weeks of nimodipine or placebo, followed by a 4-week placebo period). Fifty-six patients were studied in an open trial for 12 months. In the total material of the double-blind study there was no difference as far as improvement of headache was concerned when comparing the patients treated with nimodipine with those receiving placebo. However, in a group of 38 patients with a higher degree of headache intensity, selected in accordance with the Sandoz Clinical Assessment Geriatric scale, a statistically significant difference was found in favor of nimodipine. The results obtained in the long-term open trial seem to confirm the effect of nimodipine on headache. The underlying mechanisms of the beneficial effect of the drug have been discussed.
In this article ischemical preconditioning and L-norvalin efficacy and mechanisms of action pharmacological analysis at liver experimental ischemia/reperfusion were made. During investigation ischemical preconditioning high effectiveness totally wasn’t blocked by glibenclamide showed. L-norvaline also showed marked hepatoprotective effect abolished by glibenclamide just partly.
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