Will the Gut Microbiome Change Medicine? Wall Street Isn't Convinced.

Cancer patients who receive an antibiotic within one month of receiving a checkpoint inhibitor achieve a median survival of just two months. Those who don't take an antibiotic and receive the same treatment achieve a median survival of 26 months, fully 1,200% longer. The significant gap is thought to be explained by changes in the gut microbiome, which is severely impacted by antibiotics, diet, and exercise, and has become the focus of a great deal of investment and hype in healthcare.