Diabolovir

Diabolovir is one of two medications designed by Trevisani Klaus, the other being Diaboline, after extensively studying the effects of. This is a drug that works as an antiviral in patients who have eaten a Devil Fruit, making it possible for all traces of the mutation induced by Devil Fruit on the subject's genetics to be eradicated after the completion of treatment. In other words, it can completely wipe out the Devil Fruit from the patient, eliminating it to the point that it will not respawn in another fruit.