It is a prospective longitudinal observational human study. Fifty prostate cancer patients planned for ADT will be recruited. Fecal sample will be collected before initiation of ADT, and then at 3 and 6 months after initiation of ADT. Anthropometric, blood metabolic parameters, serum inflammation markers and panels of microbiome metabolites will be measured at these timepoints. Changes in gut microbiome from baseline to 6 months after initiation of ADT will be assessed. Correlation of changes in gut microbiome and metabolic changes, as well as inflammation and microbiome metabolites, will be assessed and possible mechanisms will be explored.
