Context: Pain is one of the most common symptoms of cancer patients, affecting the patient's physical, psychological, behavioral, social relations and other aspects. Previous studies have demonstrated that exercise is effective for cancer pain, and the optimal exercise is still unknown.
Objectives: This study aimed to compare the effects of different exercise interventions on cancer pain in adults.
Methods: Randomized control trials identified from medical literature databases that reported effects of exercise in adults with cancer pain were included in this study. Literature screening and data extraction were conducted independently by 2 researchers. Cochrane Bias Assessment 2.0 was used to assess the quality of the literature, and Stata 15.0 software was used for Network meta-analysis.
Results: Forty-one studies were included, involving 3537 patients with cancer pain. The types of exercise involved included aerobic exercise, medium intensity continuous training, high-intensity interval training, resistance exercise, mind-body exercise and comprehensive exercise program (CEP). The results suggested that CEP was more effective than the usual care in relieving pain intensity in cancer patients [SMD = -1.96,95% CI (-3.47, -0.44)] (SUCRA = 97.9%). Mind-body exercise outperformed usual care in reducing pain interference in cancer patients [SMD = -0.65, 95% CI (-1.21, -0.09)] (SUCRA = 83.8%).
Conclusion: Current evidence shows that CEP is the best way to relieve the pain intensity of cancer patients, and mind-body exercise is the best way to reduce pain interference of cancer patients. Due to the limited number and quality of the included studies, the above conclusions need to be further verified by more high-quality studies.
Keywords: Bayesian network meta-analysis; Cancer-related pain; Exercise therapy.
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