A recent international trial has indicated that an exercise program for colon cancer patients can significantly reduce the risk of mortality, with findings suggesting a one-third decrease in death rates. The trial, which involved 889 participants, emphasized that even moderate exercise—ranging from swimming to dance classes—can yield substantial benefits.
Conducted by researchers including Prof. Vicky Coyle from Queen's University Belfast, the study implemented a three-year exercise regimen starting soon after chemotherapy. Participants were encouraged to engage in at least double the recommended physical activity for the general population, which could include three to four sessions of brisk walking per week, lasting 45 to 60 minutes. For the initial six months, participants received weekly coaching sessions, which transitioned to monthly meetings thereafter.
The results, published in the New England Journal of Medicine, revealed that after five years, 80% of those participating in the exercise program remained cancer-free, compared to 74% in the control group. This represented a 28% reduction in the likelihood of cancer recurrence or the development of a new cancer. Furthermore, after eight years, 10% of the exercise group had died compared to 17% in the health advice group, indicating a 37% lower risk of death associated with the exercise regimen.
Researchers are exploring the mechanisms behind these findings, with hypotheses suggesting that exercise may influence growth hormones, inflammation, and immune system functionality. Experts like Dr. Joe Henson from the University of Leicester noted the positive effects of exercise on fatigue, mood, and physical strength. The implications of this trial could lead to a shift in clinical practices for treating colon cancer, provided that health services can adapt to incorporate such programs effectively.