Instead of cure remission is a proper word. excellent sugar control with diet exercise and weight loss you can be off the medicine in early stages or prediabetic stage. But you have to be consistent with your diet and regular exercise. Again weight gain in future or lack of diet and exercise may raise sugar levels again. It is possible normally in early diabetics with diagnosis less than 5 years or prediabetic. Those who have family history for diabetes it may be little difficult. It is also little difficult in lean patients or those who have pancreatic related issues.

Excellent control may lead to remission for a variable period