GT BIOPHARMA, INC. TO PRESENT AT BIOTECH SHOWCASE™ 2019

On December 20, 2018 GT Biopharma, Inc. (OTCQB: GTBP and Euronext Paris GTBP.PA) ("GT Biopharma" or the "Company"), an immuno-oncology biotechnology company focused on innovative treatments based on the Company’s proprietary NK-engager and Bispecific Antibody Drug Conjugate platforms, reported that Raymond W Urbanski, M.D., Ph.D., Chief Executive Officer and Chairman, will present at Biotech Showcase 2019 on Tuesday, January 8, 2019 at 11:30 AM PST in San Francisco, CA (Press release, GT Biopharma , DEC 20, 2018, View Source [SID1234539517]).

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As part of his presentation, Dr. Urbanski will provide a corporate update and discuss GT Biopharma’s pipeline of immuno-oncology products based off the Company’s proprietary Tri-specific Killer Engager (TriKE), Tetra-specific Killer Engager (TetraKE) and bi-specific Antibody Drug Conjugate (ADC) technology platforms.

The Company’s most advanced bi-specific ADC in development, GTB-1550, targets CD19+ and/or CD22+ hematological malignancies and is currently in the Phase 2 component of a Phase 1/2 Non-Hodgkin’s Lymphoma (NHL)/Acute Lymphocytic Leukemia (ALL) trial which is an open-label, investigator-led study. GT Biopharma expects to announce topline results from the Phase 2a trial of GTB-1550 in the first quarter of 2019.

Additionally, the Company recently announced its Investigational New Drug (IND) application to the U.S. Food and Drug Administration (FDA) is now open and it is authorized to initiate a first-in-human Phase 1 study with GTB-3550 (formerly OXS-3550), its first-in-class (TriKE), for the treatment of acute myelogenous leukemia (AML), myelodysplatic syndrome (MDS) and mastocytosis. The study, which is expected to commence in the first half of 2019, will be led by Principal Investigator, Sarah A. Cooley, MD, MS, Associate Professor, Division of Hematology, Oncology and Transplantation at Masonic Cancer Center, University of Minnesota. The Company believes that GTB-3550 could serve as a relatively safe, cost-effective, and easy-to-use therapy for refractory/relapsed AML, high-risk MDS and advanced systemic mastocytosis and could also be combined with chemotherapy and/or other agents as frontline therapy thus targeting a much larger patient population.

In addition to the presentation, Dr. Urbanski will also be available to participate in one-on-one meetings with qualified members of the investor community who are registered to attend the conference. For more information about the conference, please click here to visit the conference website.

A live audio webcast of the presentation will be available on the Events page of the Investors section of the Company’s website (www.gtbiopharma.com). A webcast replay will be accessible for 90 days following the live presentation.