is a combination of VILDAGLIPTIN and METFORMIN
VILDAGLIPTIN is a DPP-4 inhibitor and acts by secretion of insulin
This drug can be used in type 2 diabetes
along with insulin while it is not given to type 1 diabetics.
In type 2 diabetics,there is progressive loss of beta cells of pancreas which results in worsening of blood sugar levels and so at this stage injection insulin is required.Even at this stage of complete loss of action of oral antidiabetics,Thete are still some surviving beta cells left in pancreas,which can be stimulated to release the endogenously produced insulin.
Your doctor is attempting to do the same to have the better control of your blood sugar levels.
Your doctor is absolutely right and is doing it to achieve the benefit of remaining surviving beta cells of pancreas to achieve the tight control on your blood sugar levels.
Tight control of sugar levels are required to prevent you from future micro as well as macro vascular complications.