Abstract
Drug resistance and toxicity are major challenges observed during cancer treatment. In recent years, gut microbiota has been found to be strongly associated with the efficacy, toxicity, and side effects of chemotherapy, radiotherapy, and immunotherapy. Both preclinical studies and clinical trials have demonstrated the potential of microbiota modulation for cancer treatment. The human gut microbiota has exciting prospects for developing biomarkers to predict the outcome of cancer treatment. Moreover, multiple approaches can alter the gut microbiota composition, including faecal microbiota transplantation (FMT), probiotics, antibiotics (ATB), and diet. We describe the mechanisms by which the gut microbiota influences the efficacy and toxicity of cancer therapy, disease-related biomarkers, and methods to target the gut microbiota to improve outcomes. The purpose of this review is to provide new ideas for optimising cancer therapy by providing up-to-date information on the relationship between gut microbiota and cancer therapy, and hopes to find new targets for cancer treatment from human microbiota.
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