Eleni Gavriilaki, MD, PhD, George Papanicolaou Hospital, Thessaloniki, Greece, discusses a systematic review and meta-analysis investigating the impact of antibiotic-mediated modification of the intestinal microbiome on the outcome of allogeneic hematopoietic cell transplantation (allo-HCT). This interview was recorded via an online conference call with The Video Journal of Hematological Oncology (VJHemOnc).