A type of drug designed to stunt tumour growth has actually been found to fuel cancer if given at too low a dose.
Read about Cilengitide, another Merck creation. It's also targeted for prostate cancer use.
Someday the Big Pharma crowd will be stopped from all this creative cooking at the expense of life.
In the interim my hope would be that anyone treated with mainstream methods for cancer would stop and ask many more questions. It might save save your life.