First of all, the information about DCA as a possible treatment for cancer has been known for a number of years.
Secondly, you don’t need to have big pharma invest in a treatment in order for it to be viable. Go to this site and find out how patients are taking control of their own treatments using DCA.
I asked a friend of mine who is an ICU nurse about it and she said she has known it to be used to fight cancer for certain types.