We have discussed this before. It is becoming standard in our patients to not only evaluate the microbiome with Microbiome Dx, but also patients with recent antibiotic use prior to immunotherapy probably will need a fecal microbiota transplant (FMT).
Taking antibiotics in the month before starting immunotherapy dramatically reduces a cancer patient’s chances of survival, according to a small but groundbreaking study.
Scientists at Imperial College London believe antibiotics strip out helpful bacteria from the gut, which weakens the immune system. This appears to make it less likely that immunotherapy drugs will boost the body’s cancer-fighting capability.
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Source : https://amp.theguardian.com/society/2019/sep/12/antibiotic-use-before-cancer-treatment-cuts-survival-time-study?fbclid=IwAR0R9gSLfPW5nh1AKIloHHuYgYM6kFQpt2aEnYV9HZWR15EuVFn31Jg7F9E