Is it safe to use curcumin during cancer treatment?

There is preclinical data that suggests curcumin is a normal tissue radioprotector and a tumor sensitizer. That is a difficult combination to achieve and I am skeptical.

There is also preclinical data that it works on a number of patho-physiologic pathways, some common and other specific to particul...

I'll present a bit of a counter argument. I've had patients mention curcumin, and they've all been prostate patients. There was a study a few years ago that curcumin helped reduce urinary side effects during XRT. It made its way 'round the 'net, and prostate CA patients do a lot of internet research...