Tetrahidroimidazol [1,2-a] pyrazines and tetrahidrotriazol [4,3-a] pyrazines as Dipeptidyl peptidase inhibitors useful for the Treatment or prevention of Diabetes
The present invention is directed to pharmaceutical compositions comprising compounds which are inhibitors of the dipeptidyl peptidase-IV enzyme ("DP-IV inhibitors") and the use of these compositions in the treatment or prevention of diseases in which the dipeptidyl peptidase-IV enzyme is involved, such as diabetes and particularly type 2 diabetes.