#$%^&*AU2009238272B220140508.pdf#####13 Abstract A method for the treatment of diabetes mellitus type 2 comprising administering (c) desPro36 Exendin-4(1-39)-Lys6 -NH2 or/and a pharmaceutically acceptable salt thereof, and (d) metformin or/and a pharmaceutically acceptable salt thereof, to a subject in need thereof.