 EAST SETAUKET, NY, March 03, 2021 GLOBE NEWSWIRE -- Lixte Biotechnology Holdings, Inc . Nasdaq: LIXT, a clinical-stage drug discovery company developing pharmacologically active drugs for use in cancer treatment, will participate in the virtual 33rd Annual Roth Conference, being held March 15-17, 2021. Investors may register and consult the conference agenda at the event website . 