We might be able to get one soon. Except for blood cancer and bone marrow cancer, other cancer related diseases are curable to most of the extent.
I hope we could invent something soon too
I like to think eventually we will get a cure, though I did see they came up with new eye wear that is similar to that of a butterfly's vision which allows them to more easily see cancer tissue.
At the risk of sounding baised I don't know about a cure but I do know that recent research has proven that an oil derived from Marijuana has miraculous effects on the disease.