AGOURA HILLS, Calif., June 10, 2020 (GLOBE NEWSWIRE) -- Mateon Therapeutics Inc. (OTCQB:MATN) today announced the fruition of its licensing of OT-101/IL-2 combination to Autotelic BIO based on an agreement entered into between Oncotelic and Autotelic BIO, a South Korean Company, during 2018