The present invention relates to fused pyrrolidino-cyclopropane derivatives according to formulae (I) to (IV) as selective inhibitors of the enzyme 11-beta-hydroxysteroid dehydrogenase type 1 (11-beta-HSD-1) and the use of such compounds for the treatment and/or prevention of metabolic syndrome, diabetes, insulin resistance, obesity, lipid disorders, glaucoma, osteoporosis, cognitive disorders, anxiety, depression, immune disorders, hypertension and other diseases and conditions.