Saturday, May 25, 2019

New guidelines call for more intense exercise for cancer patients

CANCER DIGEST – May 25, 2019 – People under treatment for cancer have long been advised to take it slow and easy in terms of exercise, but new guidelines are recommending a personalized exercise program including high-intensity workouts to achieve the best outcome for their treatments.

The new guideline comes from the Exercise and Sports Science Australia, which published them in the Journal of Science and Medicine in Sport. It was based on research that has emerged over the last 10 years including 140 meta-analyses that have been published. A meta-analysis combines the data from multiple studies and re-analyzes the results.

In developing the new guidelines researchers led by Queensland University of Technology, Australia, Professor Sandi Hayes reviewed more than 90 non-systematic reviews and 140 systemic meta-analyses involving more than 400,000 Australians living with a cancer diagnosis in the previous five years.

Among some of the findings, the analysis showed benefits of exercise for all types of cancer including common cancers like breast, prostate, colorectal, and lung cancers, as well as less common types such as brain, testicular and pancreatic cancers. 


Benefits of exercise shown in the studies reduced treatment-related side effects including, fatigue, tingling or stinging in hands and feet, muscle aches, joint pain, swelling (lymphedema), bone health, sleep quality and cognitive impairment, among others.

The researchers did not find, however, that exercise prolonged survival primarily because the few studies that looked at exercise and survival were underpowered, meaning the study design and number of participants were too small to produce conclusive results.

Based on the evidence, however, the researchers recommend that following patient assessment, patients should be prescribed exercise according to patient-driven exercise-related goals. In other words, the researcher do not take a "one size fits all" approach to prescribing exercise, rather exercise for cancer patients need to be tailored to the patient's condition and personal desires.

Sources: Queensland University of Technology press release and the Journal of Science of Medicine in Sport

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