This is a double-blind, randomized, placebo-controlled, multiple-dose, two-center, safety and efficacy study of co-administration of tesofensine/metoprolol treatment in subjects with T2DM. Study medication will be administered for ninety (90) days (+2 days after the final assessments with half-dose of metoprolol). Following all baseline assessments, eligible subjects will be randomly assigned to one of the two arms (1:1).