| Doctors talk amongst themselves about patients' | | | | 2.1% in the USA. As the five year survival rate |
| unrealistic expectations about the effectiveness of | | | | for cancer is now 60% you can see how little |
| drugs. Quite often this conversation is done with | | | | impact chemo has on the overall outcomes. For |
| shaking of heads and often sarcasm in their | | | | breast cancer the rates are 1.4% and for |
| voices. However it is time that we ask the | | | | prostate cancer the rate is 0%, that is zero |
| question: Just who is being unrealistic? Why should | | | | effect. |
| the patient (or the country where socialized | | | | How can this be? Surely that can't be right? I |
| medicine pays or subsidizes the cost) pay for a | | | | couldn't believe it and so I started asking the |
| drug that has a very low level of effectiveness? | | | | doctors I work with. They all agreed the |
| When you go to the doctor and the doctor | | | | effectiveness was much lower than almost |
| prescribes a drug, what level of effectiveness do | | | | everyone expected but they didn't realize that |
| you expect this drug to have? Do you expect it | | | | the rates were as low as mentioned in the article. |
| to be 100% effective? Or 98% or 90%, or | | | | One oncologist just wouldn't answer me, but also |
| 80%? Or would you take the drug if the doctor | | | | didn't say the paper was wrong. She just kept |
| told you that it might reduce your chances of a | | | | saying, "We must ask the patients' what they |
| bad outcome by 4%? Or what about 1% or | | | | want." |
| even less? | | | | But how can patients make an informed decision |
| This is a question I have been asking for the last | | | | if the doctors aren't honest about the |
| couple of months. I ask anyone I come across - | | | | effectiveness of the drugs? Now there will be the |
| people in the bus queue, shop assistants, | | | | occasional person who wants to use every drug |
| colleagues in the staff room at work, and even | | | | available in the hope of gaining a few extra days |
| medical students. The consistent response has | | | | or weeks to be with their family. But I believe |
| been that most people expect drugs to be 90% | | | | there would be many, many more who would |
| effective, with a few dropping as low as 80%. | | | | forgo the months of agony from side effects if |
| Even one of the medical students said, very | | | | they realized just how poor the results were. If |
| honestly, "Well I'm a trained pharmacist, so I | | | | instead of being told you were at grave risk of |
| know how effective they are but when my | | | | dying you were told that the average survival |
| doctor gives it to me I expect it to be 90% | | | | time was 20 years (as in women with breast |
| effective." | | | | cancer), and that the chemotherapy would add an |
| I am a health researcher and one of the things I | | | | average of 5 months to survival time, then would |
| do is to go and search the medical literature to | | | | you take it? |
| find out what works to improve health. I bury | | | | I would suggest that a great many people would |
| myself deep in the literature. When I went | | | | be interested in the research which shows that in |
| searching deep into the literature about the use of | | | | many cancers people who exercise at least three |
| cholesterol lowering drugs, statins, I was | | | | hours a week have much better cancer |
| staggered to find out just how low the effect | | | | outcomes than those who don't. It seems that |
| was. | | | | those with breast cancer have an improved |
| When I looked at the actual results of the drug | | | | survival of 7-10% which is six times better than |
| trials I found that the results often didn't match | | | | chemo but I have never heard of a doctor who |
| what was conveyed by the title of the journal | | | | prescribes exercise for cancer. Other possible |
| article and certainly not in the drug company | | | | improvements could be had through eating lots of |
| advertising. For example, women had no | | | | bright green, yellow, orange, red and purple |
| improvement in overall survival when taking | | | | vegetables several times a day and cutting back |
| statins. For men who had no history of heart | | | | on sugar consumption. |
| problems only one life was saved out of 250 men | | | | The big problem is that doctors have been |
| when taking the drugs for five years. That is a | | | | brainwashed to only accept treatments proven |
| 0.4% effectiveness. For those who had had a | | | | by randomized controlled trials. We can never |
| previous heart attack the figures were 1 in 25. | | | | prove that exercise or vegetables can improve |
| That is 25 men had to take the drug for 5 years | | | | life expectancy to the same level of proof |
| to save one life - that is a 4% effectiveness - a | | | | because we can never use the same research |
| long, long way away from the 90'100% | | | | methods. We cannot stop people from exercising |
| effectiveness that most people look for. | | | | or eating fresh vegetables to do the research as |
| Some time later I came across a paper looking at | | | | that would be unethical when we already know |
| the effectiveness of chemotherapy on cancer. | | | | how good they are. So as we can never prove |
| Now I don't know about you, but I have always | | | | exercise and vegetables are better than the |
| had the assumption that with the horrendous side | | | | chemo using exactly the same research methods; |
| effects of the treatment one could at expect a | | | | the drug companies win, and the patients suffer |
| 90% increase in survival times, or at least 50%. | | | | from side effects. It is time we became a bit |
| That is, I would expect that it would cut my risk | | | | more discriminating and started to learn to ask |
| of dying at least by half, and that I could then go | | | | better questions about the research assumptions |
| and live a full length of life. | | | | that underpin the methods they use. Or |
| A paper published in 2004 in the cancer journal | | | | alternatively, just go natural - do what your body |
| Clinical Oncology paints an altogether different | | | | intended: eat as close to nature as possible, move |
| picture. Morgan and colleagues found the | | | | regularly throughout the day and have an |
| contribution of chemotherapy to the five year | | | | enjoyable family and social life. |
| survival in adults was only 2.3% in Australia and | | | | |