abstract |
Receptor-specific cyclic peptides of the formula (I), where Xaa¹, Xaa² Xaa³, x, R1, R2, Rs and R4 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 utilizing melanocortin receptor-specific cyclic peptides of formula (I). |