Exercise during adjuvant chemo reduces fatigue, depression in CRC patients

This systematic review and meta-analysis quantified the effectiveness of structured exercise interventions specifically for patients with colorectal cancer during adjuvant chemotherapy. The analysis included nine studies comprising randomized controlled trials, non-RCTs, single-arm intervention studies, and retrospective cohort studies. Outcomes assessed were exercise capacity, lower and upper extremity muscle strength, fatigue, pain, chemotherapy-induced peripheral neuropathy, anxiety, depression, and quality of life. In the RCTs, exercise interventions during adjuvant chemotherapy significantly reduced fatigue, with a standardized mean difference (SMD) of -0.53 (95% confidence interval: -1.04, -0.01). Interventions also significantly reduced depression, with an SMD of -0.34 (95% CI: -0.55, -0.13). The meta-analysis found no significant effect of exercise on exercise capacity, lower extremity muscle strength, upper extremity muscle strength, pain, anxiety, or quality of life. The feasibility assessment showed adherence to exercise interventions during adjuvant chemotherapy ranged from 58% to 100%. Regarding safety, no adverse events were reported, or reporting was not provided. The authors conclude that exercise interventions during adjuvant chemotherapy effectively reduce fatigue and depression in patients with colorectal cancer, though the effect may be small, and that implementation may be safe.

If you're getting chemotherapy for colorectal cancer, the fatigue and low mood can be overwhelming. A new review looked at whether adding exercise to treatment could help. The analysis combined results from nine different studies where patients did structured workouts while receiving their chemo drugs. The findings are encouraging for two specific struggles: exercise significantly helped reduce the crushing fatigue that comes with treatment. It also helped lessen feelings of depression. The review didn't find clear evidence that exercise improved physical strength, pain, anxiety, or overall quality of life during this period, but the benefits for fatigue and mood are meaningful. Importantly, the exercise programs seemed safe—no studies reported serious problems, and most patients were able to stick with them. While the effect on fatigue and depression might be modest, it points to a practical, non-drug strategy that can make the chemotherapy journey a bit more manageable for people fighting this cancer.