Weight gain – too much of a good thing?
Cancer nutrition direly needs major changes. How we advise our patients and loved ones on proper eating habits during cancer care may be the key to their success or failure. One common observation is the need to push calories during meals and snacks. There is also the common belief that cancer patients eating sugar loaded food is a harmless activity.
CHEMOTHERAPY COMFORT BAGS
If you or a loved one has had cancer and needed chemotherapy, you must be familiar with those "chemotherapy comfort bags". You know, the ones that we pass out to patients in the chemotherapy suite. Our bags contain snacks, usually a fruit or a high energy protein bar. These bags may contain oatmeal or chocolate chip cookies, a juice and fruit cup, potato chips, and a "white bread" turkey or ham sandwich.
In the middle of the large room where we administer the chemotherapy, we have a table where patients can freely help themselves to light saltine crackers, sticks of cherry red licorice, mini chocolate bars and a huge jar of peppermint candy mints. Occasionally the volunteer service staff would visit the patients and bring up a warm tray of fresh oatmeal cookies and icing laced donuts plus carafes of free hot chocolate.
Holiday cookies from grateful families of patients are plentiful and occupy every nook and cranny.
For those common bouts of post chemotherapy nausea, we also provide an unlimited supply of chilled ginger ale or soda pop (gasp).
Patients who cannot eat due to radiation induced mouth sores or with tumors blocking their airways or stomach, have take in only fluid. In most cases this consisted of orange or packaged apple juice, and of course, flavored and high sugar containing protein drinks such as "Ensure or Boost." Weight gain is clearly recognized as a desirable goal.
These nutritional choices constantly remind me of the days when ashtrays were an integral part of a doctors office. These days, you will be hard pressed to even find one.
For now, weight gain and the abundance of sweet comfort foods are still looking pretty "harmless". OR AREN'T THEY?
SPIRALING WEIGHT LOSS
For years the traditional cancer diet's goal is to promote weight gain. By this we mean a diet high in calories, carbohydrates, and of course, glucose. Not so surprisingly, for most patients, this approach is usually futile. The more calories you feed the cancer, the healthier "it, the cancer" becomes. At the expense of the patient, the body gets weaker and weaker despite the onslaught of calories. Feeding cancer high calorie and high glucose containing food is like adding fuel to a flame. I believe the better approach to combatting cancer weight loss is to target the "cause".
A ketogenic diet will feed the normal cells but because cancer cells lack the mitochondrial machinery to effectively process fats and protein, the absence of carbohydrate will theoretically starve the cancer cells.
SUGAR FEEDS CANCER - how much of this is true?
Around five years ago, a patient of mine came to me and said, "Doc, did you know that sugar feeds cancer?" Rubbish, man. Where did you hear such a ridiculous idea? At the time I defended the prevailing wisdom, which is the basic need for glucose. How can your body fight the cancer without energy from glucose? To be able to fight cancer, your body must strengthen itself with calories! As you can see, I changed my tune not too long after that! Glucose and cancer- the inside story
I remember some of my past patients who have by now passed on. My favorite guy would regularly have a large (32 ounce!!!) "BIG GULP" tumbler filled with ice cold soda by the side, sipping it throughout the day while awaiting chemotherapy to completely drip into their tired veins. I would remind them that their choice of drink was not exactly nutritious. They would respond that the drink was "for hydration and the caffeine is for energy, doc". "But do you know that this drink of yours is loaded with as much as 64 grams of sugar? " Sugar content of soda
Rainbow colored soda drinks contain nothing more than sugar, high fructose corn syrup and food coloring.
These patients clearly had serious problems going on. Add to this the general public feeling is that sugar is harmless. In fact, we encourage sugar and weight gain during cancer treatment. What I did realize was that these same soda pop drinking and overweight patients all performed very poorly while on chemotherapy.
Despite the success of the newest forms of chemotherapy , I find out too often that these wonderful clinical remissions last for only a short while. None of the latest monoclonal or the anti programmed cell death antibodies promise home run cures. The cancer no doubt will rear its ugly head again, reminding us that the chemotherapy once again, did not work. The therapy is simply another fire extinguisher used in a forest fire. We need to somehow destroy the source !
Chemical and hormonal signals which are present in the blood can fuel the growth of many tumors. Drug companies are now making new "targeted therapies" which can stop these signals / hormones. They are effective but we all know that there are still many failures even with the new drug. One reason behind this is that patients fail to make lifestyle and dietary changes. If we improve our diet and exercise and sleep more, we cut back on those signals the natural way and help these drugs to work even better!
DIETARY TIMING
The best time to begin this low carb ketogenic diet approach is when the patient is still healthy, not yet losing weight and has no symptoms. In other words, START EARLY. The weight loss involved in this diet is considered healthy weight loss, and is expected to plateau after it reaches the optimal healthy level. A patient who is already on the downhill spiral of weight loss will continue to lose weight despite increasing their caloric intake. At this point, this low carbohydrate dietary attempt might be too little, too late.
IS A LOW CARBOHYDRATE DIET SAFE FOR CANCER PATIENTS?
We recently completed our small trial of the Atkins diet in advanced cancer patients and it looks this diet and the resulting weight loss is safe and possibly beneficial. (Modified ketogenic diet clinical trial)
Weight gain versus weight loss ?
For the first time, medical staff are beginning to realize weight gain could actually be undesirable.
CHANGE IS FINALLY COMING
Enough is enough! So...when is the change coming?
Boldly, I tried to negotiate and convince our dietary department and nurses to get rid of the sugar cookies and replace them with low carb options. "These chemotherapy care bags need a major revamp"! I declared. Why can't we swap the sweets for something else? Hard boiled eggs, maybe?
Our dietician responded, "No, the salmonella risk is too real. We can only serve scrambled eggs but that would be too inconvenient." I suggested, "How about substituting the donuts with other stuff, like cheese sticks and jerky?" Low carb? With a shrug, she said, "Sorry, we don't have direct control over these chemotherapy care bags. They simply come up from the main kitchen, already preassembled."
Well today, I was pleasantly surprised when I later opened my email inbox and found a message from who else, our dietician! She happily announced that the canteen will be soon delivering to us specially marked white papered chemotherapy care bags. Instead of white breaded sandwiches and potato chips, these revamped bags will have only low carbohydrate snack items. Our first trial run will supply bags filled with celery sticks, carrots, cheese and beef sticks, with low fat ranch dressing.
Low carbohydrate snacks during chemotherapy
Yes! Progress at last! But wait, they are only providing us with a "trial run" of three (3) bags. Only three bags? Well, she explained, due to the expected unpopularity of these low carb options, dietary staff worries about having too many unclaimed bagged treats going to waste. " If no one takes them, these bags will be discontinued. "
Hmm, certainly, we cannot allow this wonderful idea to fizzle off! I made sure to promptly notify all of my motivated patients who are already on the low carb diet, of the impending availability of these chemotherapy care bags. They clearly are getting very excited. I am excited too. If this catches on, we will be officially the first hospital to do so.
Pushing for excess weight gain should no longer be a major concern.
And when will the candy jar join the ashtray? Hopefully the exodus has begun.

