| There are very strong feelings surrounding alternative | | | | months of longevity. Or it may mean, as is often the |
| cancer therapies. There are frequent television | | | | case, that there is no additional longevity but there is |
| snippets and online blogs bemoaning the deaths lost | | | | a longer time before the cancer recurs. |
| to alternative treatments used after well recognized | | | | Many doctors truly believe the advertising figures |
| medical treatments have been turned down by the | | | | given to them by the drug companies about their |
| patient. There was one a few weeks ago when a | | | | products, but do not take the time to find out what |
| well known mini-celebrity had turned down chemo to | | | | the figures actually mean in terms of additional |
| use alternative therapies and the message to the | | | | months of disease free time and increased longevity |
| public was clear: she would have lived if she had been | | | | for their patients. |
| sensible, like most people, and submitted to the | | | | As an example one drug was touted as 62% |
| chemotherapy treatments. | | | | reduction of the risk of recurrence of one form of |
| However it is not as simple as just a choice between | | | | cancer. It sounds great and some oncologists were |
| something that is not proven to work and something | | | | telling patients they would be 62% better off. This |
| that has been proven to work (statistically and | | | | 62% of risk reduction was actually a 37% |
| selectively). In the case above the celebrity could | | | | improvement over no treatment, and as 22% would |
| have undergone chemotherapy but the research | | | | have had a recurrence, this is 37% of the 22% - this |
| showed that for one year of having horrendous side | | | | is an 8% actual improvement - a long way from the |
| effects she would, on average, get another four | | | | 62% the drug companies were promoting. |
| months of life. | | | | And when you looked at actual survival, as against |
| Statistically the drugs were shown to work. But in a | | | | recurrence, the figures were much worse again. It |
| practical and clinical sense the year of misery of | | | | was less than 1% (9 in 1000) or if averaged out over |
| chemotherapy treatment was not sufficient for the | | | | all the patients, an increase of four or five months. |
| patient to choose a possible few more months. | | | | We can't blame the drug companies - they are there |
| Of course she might have been the one person in 50 | | | | to make profits, not as a public benefit and so, of |
| who got another five years. But on the other hand | | | | course, they are going to make the best case for |
| she might have one of the many who found the | | | | their drug. The medical profession and the public need |
| chemotherapy experience so exhausting and | | | | to make it their business to know the games the |
| debilitating that she gave up hope and died early. It | | | | pharmaceutical companies play with statistics. The |
| does happen and it happens frequently. We have to | | | | problem isn't statistics, it's how they are used. |
| remember that the chemotherapy is intensely toxic - | | | | So, as chemotherapy across all cancers only |
| it is a poison that is not very selective and affects | | | | contributes an average of just over 2% to the |
| every system of the body. A heavy load of toxins | | | | 5-year survival rate of people with cancer we need |
| reduces the body's immune system and reduces the | | | | to be much more tolerant of those who turn to |
| body's natural ability to heal. So if the figures are so | | | | alternative cancer therapies. |
| bad, why do people believe otherwise? | | | | It is much more difficult to prove statistically that |
| I suggest that this situation is due to a number of | | | | changes in supplements, food, emotional support, or |
| factors. Most doctors are very caring. They want to | | | | exercise is what has made the difference because of |
| offer the best for their patients and many accept | | | | issues surrounding research method and the way we |
| uncritically the "fact" that drugs are needed to help | | | | do the statistics. This fact privileges drugs and |
| patients get the best out of the life they have left. | | | | demeans the values of patient self care through |
| Chemotherapy has been statistically proven to give | | | | alternative cancer therapies. But don't let that stop |
| significant improvement. Natural cancer therapies | | | | you or those you care about from undertaking them. |
| have not. | | | | Alternative cancer therapies can certainly improve the |
| But please note that if a drug is statistically significant | | | | quality of life for the time a person has left and it |
| this does not necessarily mean that it is useful to the | | | | may be possible that enough changes might just |
| patient. Significant, in the research sense, just means | | | | make the difference and increase longevity. |
| that the effect is not due to chance. It does not | | | | Reference: Morgan G, Ward R, Barton M. The |
| mean that the improvement or the cure rate is much | | | | contribution of cytotoxic chemotherapy to 5-year |
| better. It may be much better in terms of additional | | | | survival in adult malignancies. Clinical Oncology |
| years to be lived, but it equally may mean that those | | | | 2004;16:549-560. |
| who have the drugs might get a few additional | | | | |