| Natural Products for
Cancer Patients - Separating Hope from Hype
Introduction
It has been a year since How to Prevent and Treat Cancer with Natural
Medicine was published. Our goal in writing this book was for it
to serve as the authoritative blueprint for a comprehensive plan
in dealing with cancer from a natural medicine perspective. While
the book has received much accolades and moderate success in sales
volume, I am very disappointed that it is not touching more lives.
While I have been blessed with the opportunity to speak to thousands
of cancer patients, I have also been deeply saddened as I have heard
so many cancer patients tell me of their use of products that in
my opinion provide no significant benefit and only empty promises.
I know there are far more people that are using these sorts of products
than those who are following our program. In writing the book, we
debated whether we should critique some of the products and treatments
that are overly hyped. In the end, we decided that it was more important
to highlight the positives of our program.
Our goal was to provide a valuable resource with the latest information
on dietary and supplementation strategies to prevent cancer, along
with the critical guidance the cancer patient desperately needs.
We presented an evidence-based "natural" program unlike
any other. We reviewed over 10,000 scientific studies in writing
the book to provide proven recommendations on the proper use of
vitamins, minerals, herbs, and other natural measures to fight cancer
as well as enhance the effective of conventional cancer treatments
like surgery, chemotherapy, and radiation. Two of my coauthors,
Dr. Paul Reilly and Dr. Tim Birdsall, have worked in the trenches
with thousands of cancer patients - they know what works and what
does not. Yet, it seems that more people are drawn to products and
programs that provide little scientific study or rationale but are
marketed with wildly unsubstantiated claims. That saddens me.
The Medical Profession's Response to
Our Book
During my year long book tour, my hope was buoyed by the tremendous
response to the doctors and other medical professionals that have
either read our book or attended one of my lectures. I spoke at
several medical institutions in the last year, including the prestigious
Cleveland Clinic. One of the other key goals of the book was for
it to be a bridge between patients who utilize natural medicines
and their oncologist. We did make some small inroads in this area,
but we need to get it into more patients and more oncologists' hands.
Physicians were responsive to our book because it presents a rational
approach without hype, but with tremendous hope. We believe that
in the treatment of end-stage diseases like cancer, that sometimes
heroic measures are definitely necessary in the form of chemotherapy,
radiation, and surgery. We also believe that at all times it is
critical to use the healing power of nature in the treatment of
cancer. Failure to support the body, mind, and soul of cancer patients
is one of the critical shortcomings of conventional oncology. Fortunately,
we address this shortcoming by providing a program that incorporates
not only nutritional support, but also recommendations on how to
deal with the psychological, mental, and emotional aspects of cancer
treatment.
My Frustration
Obviously, I am quite proud of the book, but I am extremely frustrated
by its limited success. I am very much disappointed that cancer
patients are putting their faith into unproven, potentially dangerous
"natural" treatments instead of the program that we present.
In Chapter 8, The Super Eight: Fighting Cancer through Key Natural
Products, we highlighted what we considered to be the top natural
products to battle cancer. These are listed in what we believe is
their order of overall effectiveness. We based our ranking on five
key criteria:
- clinical evidence of effectiveness
- scientific rationale
- safety
- compatibility with conventional therapies
- our own clinical experience
At every lecture that I gave this year, I was asked about a handful
of products that were not discussed in the book. My standard response
was that if it was not mentioned in the book it did not necessarily
mean that the product was without benefit, but that in our opinion
it simply did not measure up to the natural products that we did
discuss. My professional life is centered on natural medicine, I
am keenly aware of a product's merits and shortcomings. Myself and
my coauthors took the process of evaluating products to put into
the book with great responsibility. Cancer is a serious disease.
We wanted to provide recommendations that would provide the greatest
benefit.
Table 1. The Super 8 Natural Medicines for Cancer Treatment
†
- Proteolytic enzyme complexes
- Curcumin (from Curcuma longa)
- Quercetin
- Maitake D- or MD-fraction
- PSK/PSP
- Polyerga
- Modified citrus pectin
- Ip6 (Inositol hexaphosphate)
† Note, while these "Super
8" are important, they certainly do not represent the only
products that we recommend nor do they all have to be used in
a cancer patient in most circumstances.
Proteolytic Enzymes vs. Unproven Products
To illustrate the value of our recommendations over marketing hype,
let's first take a look at proteolytic enzymes (or proteases) -
various enzymes that digest (break down into smaller units) protein.
These enzymes include the pancreatic proteases chymotrypsin and
trypsin, bromelain (pineapple enzyme), papain (papaya enzyme), and
Serratia peptidase (the "silk worm" enzyme).
We chose proteolytic enzyme complexes (e.g., Zymactive or Wobenzyme)
as our number 1 natural product because we felt that it offered
the greatest benefit to the widest range of cancer patients. Good
clinical studies have shown that proteolytic enzymes improves the
general condition of patients and their quality of life, and produces
slight to modest increases in life expectancy.1
For example, let's take a look at a study in patients with stage
3 colon cancer. Now, normally this stage of colon cancer has a very
poor outcome with conventional medicine alone. In the study, 166
patients received a mixture of proteolytic enzymes along with a
combination of chemotherapy drugs while 99 matched patients served
as the control group. The results were astounding. The group receiving
the proteolytic enzymes displayed a three year increase in survival
rate. That is absolutely REMARKABLE.
O.K., so based on the results of this trial and others we see that
mixtures of proteolytic enzymes can dramatically improve the odds
of beating cancer. Now, can the products that are overly hyped such
as Graviola, PolyMVA, Cesium, Essiac, or MGN3 provide that documentation?
No, and that is where it gets difficult for me. Why would anyone
in their right mind choose a program or product that has not been
documented to provide clinical benefit over something that has?
I could choose any of these products to pick on, but since I was
just got an e-mail from a son of a man with stage 3 colon cancer
asking me about Graviola, I will focus on this product.
Graviola refers to the plant Annona muricata - a small, upright
evergreen tree that grows primarily in the Amazon. The medicinal
preparations are made from the bark, leaves, roots, fruit, and fruit
seeds. It is the leaves and stem that are recommended to cancer
patients. Numerous websites and marketing brochures will cite the
research on the anticancer compounds in graviola known as acetogenins.
While it is true that these compounds have anticancer effects it
comes with a price. Keep in mind that many conventional drugs used
in chemotherapy come from plants, such vincristine and vinblastine
from the periwinkle plant and paclitaxel from the Pacific yew tree.
Would it be appropriate to make these powerful drugs available over-the-counter?
These drugs work as cytotoxic agents directly poisoning rapidly
dividing cells. While the major goals of the natural products we
highlight in the book is similar (destruction of the cancer), the
path that we chose to recommend is a little different. Instead of
targeting cancer cell destruction by toxic means like chemotherapy
agents, we are trying to engage the body's own cancer fighting mechanisms.
When chemotherapy is necessary it should be done with controlled
dosages of approved cytotoxic agents and not via ingesting a potentially
toxic herb.
So, am I saying that graviola is dangerous. If the product contains
acetogenins it is. The actual level of acetogenins in these products
is probably very low, similar to the taxol quantity in Pacific yew
bark. Although acetogenins apparently have more specificity to cancer
cells, their mechanism of action is definitely cytotoxic. They work
by interfering with the mitochondria - the energy producing units
of our cells. While graviola products claim to be clinically tested,
when I conducted a detailed search of data from the National Library
of Medicine, I could not find any entries of clinical trials. Furthermore,
when I went to various websites that provided "clinical references"
all that I could find were the test tube studies of the purified
acetogenins. These are not clinical trials.
While marketing data also claim a high degree of safety, it is
highly suspect. For example, nowhere did I find mention of the fact
that regular consumption of graviola has been linked to a from of
Parkinson's disease.2
Specifically, the frequency of treatment-resistant Parkinson's disease
is much higher in areas that consume the fruit and infusions of
graviola. Experimental studies have documented that graviola extracts
exert some of their cytotoxic activity on brain cells that produce
dopamine - the key neurotransmitter that controls physical movement.
Until this issue is cleared up, I think it is irresponsible for
marketers to be selling graviola products. Of course, this statement
as many others I have made over the years will surely anger people
selling products that I don't think of as legitimate.
While graviola may be proven to be legitimate at some point, here
is my key point with it as my example - THERE IS ABSOLUTELY NO REASON
TO GAMBLE WITH PRODUCTS WITH QUESTIONABLE SAFETY OR EFFICACY WHEN
SAFER MORE EFFECTIVE PRODUCTS ARE AVAILABLE.
Final Comments
Believe me, my reason for writing this editorial is not shameless
self promotion because I want to sell more books, it is simply that
I am frustrated by people looking for answers in the wrong places.
The more that I have learned about natural medicine, the more that
it has fueled a greater appreciation for the wonder of Nature and
the belief that there is a purpose to life. It is that awe that
motivates to spread the word of effective medicines from Nature.
I passionately want people to get the best results with natural
medicine - that is what motivates me.
Key References:
- Leipner J and Saller R: Systemic enzyme therapy in oncology:
effect and mode of action. Drugs. 2000;59:769-80.
- Lannuzel A, Michel PP, Caparros-Lefebvre D, et al. Toxicity
of Annonaceae for dopaminergic neurons: potential role in atypical
parkinsonism in Guadeloupe. Mov Disord 2002;17(1):84-90.
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