Paranoid postings...
Dr. Folkman has no personal financial interest in Panzem. He freely shares credit with other researchers. He's about as honest and sincere as it's possible for a Harvard doctor to be. There's no friggin way he's telling anybody anything he doesn't believe to be absolutely true.
The most important reason to test with currently approved therapies: It's unethical to offer a dying person a placebo, so you don't do traditional control group studies. Instead, you test a new drug in combo with with the current standard of care, and try to get approval by showing that your drug makes the current drug better. Then later you can do studies that show your drug has other or better ways to be used.
Sure, it takes a long time, but the FDA would much rather have 10000 dead Americans every week than have them out experimenting on their own with drugs the FDA is still ignorant about.