The marketing authorization from the European Commission has granted Boehringer Ingelheim and Eli Lilly regulatory approval of Jentadueto (linagliptin/metformin hydrochloride) tablets, a medicine combining the DPP-4 inhibitor, linagliptin (the active ingredient in Tradjenta tablets, marketed under the trade name Trajenta in Europe) and metformin in a single tablet taken twice daily.