Tuning the Microbiome Improves Melanoma Immunotherapy Response

A probiotic regimen might be a good addition to patients that receive anti-programmed cell death protein 1 (anti-PD1) immunotherapy drugs, as investigators at The University of Texas MD Anderson Cancer Center and other institutions have just released new data describing how bacteria that reside in the human digestive tract can influence how melanoma responds to immunotherapy. Findings from the new study—published recently in Science (“ Gut Microbiome Modulates Response to Anti–