Neotx closes $45M C round for second coming of immuno-oncology agent (BioWorld)

DUBLIN – Neotx Therapeutics Ltd. raised $45 million in a series C round to continue clinical development of an immuno-oncology agent that already has a long clinical history behind it. Its lead molecule, naptumomab estafenatox, is a fusion protein comprising an antibody fragment that recognizes the oncofetal antigen 5T4 and a bacterial “super-antigen” comprising a modified version of the Staphylococcal enterotoxin A.