Has anyone heard of this before ? My husband is end stage pancreatic cancer. He is on two drivers and has had so many break throughs over the last 2 days as he is very agitated. The doc thinks its because there has been a build up of toxins in his body and they are to be changing his driver tomorrow to another drug beginning with "". Sorry i cant remember its name. Im really worried. Does anyone have any experience of this, thank you.