U.S. Department of Health & Human Services Divider Arrow National Institutes of Health Divider Arrow NCATS

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Showing 251 - 260 of 304 results

Status:
Other

Class (Stereo):
CHEMICAL (ACHIRAL)

DOV-102,677 is a “Triple” Monoamine Neurotransmitter Uptake Inhibitor being developed by Merck for treating the major depressive disorder. In preclinical studies, DOV 102,677 increased extracellular levels of DA and 5-HT in the prefrontal cortex at 100 min after administration. DA levels were stably increased for the duration (240 min) of the study, but serotonin levels declined to baseline by 200 min after administration. NE levels increased linearly to a maximum of 240 min post-dosing. Consistent with these increases in NE levels, the density of β-adrenoceptors was selectively decreased in the cortex of rats treated with DOV 102,677. DOV 102,677 dose-dependently reduced the amount of time spent immobile by rats in the forced swim test, a model predictive of antidepressant activity, with a minimum effective dose (MED) of 20 mg/kg and a maximal efficacy comparable to imipramine. However, phase I clinical trials for treatment Depression in the USA was discontinued. Instead of being developed for depression, DOV-102,677 is being developed for the treatment of alcoholism.
(+)-DDMS (R-Didesmethylsibutramine , (R)-DDMS) is one of sibutramine active metabolites. Sibutramine is widely used in the treatment of obesity. Sibutramine acts by inhibiting the reuptake of serotonin and noradrenaline in synapses, thereby enhancing both satiety and energy expenditure. In preclinical models (R)-enantiomer of Didesmethylsibutramine was clearly more potent than the (S)-enantiomers and (R)-didesmethylsibutramine shows some activity in all tests. (S)-didesmethylsibutramine affected locomotor behavior and the Porsolt test but appeared to be completely inactive on food intake. R-Didesmethylsibutramine is more potent than sibutramine in depressing food intake and decreasing body weight, suggest that these enantioselective metabolites might be safer and more effective than sibutramine as potential therapies for obesity.

Showing 251 - 260 of 304 results