In this episode of the IJGC podcast, Editor-in-Chief Dr. Pedro Ramirez is joined by Carien Creutzberg, Nanda Horeweg, and Alexandra Leary to discuss the RAINBO trials. Carien Creutzberg is Professor of Radiation Oncology at Leiden University Medical Center, the Netherlands. She specializes in research and treatment of gynecological cancers and has been the initiator and principal investigator of the four PORTEC trials and the TransPORTEC consortium. She is current chair of the GCIG Endometrial Cancer Committee and past Council member of ESGO and IGCS. Nanda Horeweg is senior researcher at the department of Radiation Oncology of Leiden University Medical Center, the Netherlands. She is one of the principal investigators of the PORTEC team and the international coordinator of the RAINBO program of clinical trials. Alexandra Leary, MD, PhD, is a medical oncologist specializing in gynecological cancers at Gustave Roussy Cancer Center in France. She is the CI for the RAINBO-RED trial and member of the TransPORTEC Consortium. She is current chair of the GCIG Phase II committee, gyne track chair for ESMO Asia, and past gyne track chair for ESMO.