By Marcus A. Banks
Fecal microbiota transplantation (FMT) may enhance the effectiveness of immunotherapies by reducing gut dysbiosis, according to a presentation at the 2025 ASCO Annual Meeting, in Chicago. However, antibiotics should be used sparingly in people receiving immunotherapies, in short stints after an infection, as the overuse of antibiotics may increase dysbiosis and could potentially inhibit the effectiveness of FMT.
