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nnnnn there's a new breed of experimental cancer treatment the doctors researchers and industry investors are calling a revolutionary it's called car t. cell therapy and its effectiveness is unlike anything doctors have seen before says reuters pharmaceuticals reporter rand's pearson , what it does is it takes a t. cell which is part of your music , kind of , to go out and kill you to be solved these souped up t. cells in some cases can be too powerful resulting in potentially deadly side effects you program them to go after specific protein , founder of cancer cells so you could have the , these , newly created t. cells that are engineered to last for perhaps the rest of your lifetime , circulating like sharks , going after anything that resembles this protein and if that protein resides in your long are your heart healthy tissue , could be fatal so drug makers have built in what they call suicide switches that once they're turned on work like a failsafe typically use some extra genetic engineering stop , where you make your t. cell very susceptible to another drug , pearson says the advent of the suicide switches could pave the way for approval for carty sell drugs , which could potentially change the way we treat cancer for ever and earn drug makers a fortune on wall street thinks that we ten billion dollar drugs , we've had a lot of really astounding results from some , kite have skyrocketed value but more trials need doing says pearson so far the drugs have only been tested in blood cancers , like leukemia and lymphoma pearson says the real tests and bigger markets , we'll be with solid tumor cancers , could take another five to six years