 BEVERLY HILLS, Calif., Sept. 20, 2021 PRNewswire -- GT Biopharma, Inc. the Company NASDAQ: GTBP, a clinical stage immuno-oncology company focused on developing innovative therapeutics based on the Companys proprietary natural killer NK cell engager, TriKE platform, today announced Dr. Jeffrey Millers mini-oral presentation at the European Society for Medical Oncology ESMO Congress 2021. 