Widely given to patients with type 2 diabetes, metformin has been linked to reducing the risk for many types of cancers. The medication, however, may not be effective against one certain cancer.

People with type 2 diabetes have higher cancer risks than the general population. The link may have to do with how diabetes affects the metabolism. Diabetes medications may also figure into the equation.

Diabetes is a big problem in the US — and thus, it is a big focus of doctors, researchers and pharmaceutical companies alike. New medications and developments alter how diabetes is treated.

While several medications are already on the market to treat diabetes, not all patients have the desired control over their blood sugar levels. Alogliptin may offer a fresh option.