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Background We proposed the Physical Activity and Cancer Control (PACC) framework in 2007 to help organise, focus, and stimulate research on physical activity in eight cancer control categories: prevention, detection, treatment preparation/coping, treatment coping/effectiveness, recovery/rehabilitation, disease prevention/health promotion, palliation, and survival. Methods This perspective paper provides a high-level overview of the scientific advances in physical activity research across cancer control categories, summarises current guidelines, updates the PACC framework, identifies remaining and emerging knowledge gaps, and provides future research directions. Results Many scientific advances have been made that are reflected in updated physical activity guidelines for six of the cancer control categories apart from detection and palliation. Nevertheless, the minimal and optimal type, dose, and timing of physical activity across cancer control categories remain unknown, especially for the understudied population subgroups defined by cancer type, age, race/ethnicity, and resource level of regions/countries. Conclusion To achieve the full benefit of physical activity in cancer control, future research should use innovative study designs that include diverse at-risk populations and understudied cancer sites. Additionally, effective behaviour change strategies are needed to increase physical activity levels across populations that use implementation science to accelerate the translation from evidence generation into practical, real-world interventions.
Background We proposed the Physical Activity and Cancer Control (PACC) framework in 2007 to help organise, focus, and stimulate research on physical activity in eight cancer control categories: prevention, detection, treatment preparation/coping, treatment coping/effectiveness, recovery/rehabilitation, disease prevention/health promotion, palliation, and survival. Methods This perspective paper provides a high-level overview of the scientific advances in physical activity research across cancer control categories, summarises current guidelines, updates the PACC framework, identifies remaining and emerging knowledge gaps, and provides future research directions. Results Many scientific advances have been made that are reflected in updated physical activity guidelines for six of the cancer control categories apart from detection and palliation. Nevertheless, the minimal and optimal type, dose, and timing of physical activity across cancer control categories remain unknown, especially for the understudied population subgroups defined by cancer type, age, race/ethnicity, and resource level of regions/countries. Conclusion To achieve the full benefit of physical activity in cancer control, future research should use innovative study designs that include diverse at-risk populations and understudied cancer sites. Additionally, effective behaviour change strategies are needed to increase physical activity levels across populations that use implementation science to accelerate the translation from evidence generation into practical, real-world interventions.
Introduction Gastric cancer (GC), as a highly lethal malignancy, is the fourth most common malignancy and the second leading cause of cancer-related death worldwide. This study is an umbrella review of systematic reviews and meta-analyses to present an overview of the extent and reliability of the claimed association between physical activity and the likelihood of developing or dying from GC. Method This study was conducted following the Joanna Brigs Institute (JBI)’s methods for conducting umbrella reviews. A systematic search was performed in PubMed, Scopus, Web of Science, and ProQuest databases until July, 2024 with predefined keywords. Two independent authors assessed the Risk of Bias in included studies using the JBI critical appraisal tool for the assessment of the quality of systematic reviews and disagreements between the authors were resolved through discussion or the opinion of another author. Result Five systematic reviews were included in this analysis, offering a more comprehensive understanding of the inverse relationship between physical activity and gastric cancer risk. Compared to previous studies, this review provides stronger evidence that moderate-to-high levels of physical activity significantly reduce the overall risk of developing gastric cancer. Conclusion While a link between physical activity and reduced cancer risk is promising, further research is crucial to unravel the specific mechanisms at play and to quantify the impact of increased activity levels on cancer prevention. Based on the findings of this study, physical activity is found to be associated with a decreased risk of GC; however, the limitation of the evidence suggested a need for future studies on this topic.
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