As a practionerr of IPT and having used the modality for close to 7 years I still wonder as to why the mainstream has not seen the utility of this procedure. We have seen countles patients respond to this modality and have received the benefit of reduce toxicity and reduction in their cancers. The science of cancer physiology clearly make this the best choice. Support for Elka Best and Best Answer for. cancer should be of highest priority for those treating cancer and those suffering from it