Exelixis Latest News The latest news announced by Exelixis (EXEL) is the FDA acceptance of its New Drug Application (NDA) that evaluates the safety, tolerability, pharmacokinetics and preliminary antitumor activity of the firm’s investigational product XB002 in advanced solid tumors. XB002 is an antibody-drug conjugate (ADC) composed of a human monoclonal antibody against tissue factor. After binding to tissue factor on tumor cells, XB002 is …