Melanocortin receptor-specific cyclic heptapeptides of the formulaZ-Xaa1-Xaa2-Xaa3-Xaa4-Xaa5-Xaa6-Xaa7-Y (II)or a pharmaceutically acceptable salt thereof, where Z, Xaa1, Xaa2, Xaa3, Xaa4, Xaa5, Xaa6, Xaa7 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.
