| abstract |
Melanocortin receptor-specific cyclic peptides of the formula (I) where R 1 , R 2 , R 3 , R 4 , x and y are as defined in the specification, compositions and formulations including the peptides of the foregoing formula, and methods of preventing, ameliorating or treating melanocortin receptor-mediated diseases, indications, conditions and syndromes, including obesity, diabetes, modulation of feeding behavior and related metabolic syndrome. |