This is the summary of some of my research on cancer:
Although, this doesn't specifically answer your question, some of it does address it.
It is all about the studies and how to fund such studies.
There is very little research in re: to CC and I believe, these are some of the reasons:
The problem with cancer is the way it is researched.
In the past it was common for a clinician to come up with a hypothesis in re: to treatment and test it out in the lab. Not anymore. It requires large amounts of capital, which is almost impossible to come by and virtually nonexistent for anyone who has not spent his or her career in laboratory. (Researcher)
I believe that most research is done by the drug companies thus leaving out the researcher or clinician with a great idea but who has now way of funding further investigations. (This includes large medical institutions)
It takes about $1 billion dollars to bring a new drug to the market. The cost is staggering. So you can bet that there is not one pharmaceutical company willing to make this kind of investment without realizing a healthy return. They will try to bring a new drug on the market and have it patented in order to recoup their investment.
There may very well be products out there already in use, not protected by a patent, which could be highly effective to the patient, and for minimal cost, but they have not been tested further since the money for clinical trials and other evolving costs will not justify the return on anyone
THIS INFORMATION IS NOT INTENDED NOR IMPLIED TO BE A SUBSTITUTE FOR PROFESSIONAL MEDICAL ADVICE. YOU SHOULD ALWAYS SEEK THE ADVICE OF YOUR PHYSICIAN OR OTHER QUALIFIED HEALTH CARE PROVIDER