CytomX Therapeutics, Inc. is a clinical-stage, oncology-focused biopharmaceutical company. The Company uses its Probody technology platform to create cancer immunotherapies against clinically validated targets, as well as to develop cancer therapeutics against difficult-to-drug targets. Its pipeline is focused on the development of therapies in a set of modalities: Probody cancer immunotherapies, Probody drug conjugates, T-cell engaging Probody bispecifics and ProCAR-NK cell therapies. Its product candidates include CX-072, CX-2009, CX-2029, Cytotoxic T-lymphocyte-associated protein 4 (CTLA-4) and CX-188. Its Probody platform utilizes active proteases in tumor tissue to allow monoclonal antibody-based therapies. Its investigational Probody therapeutics address clinically validated cancer targets in immuno-oncology, such as programmed death-ligand 1, against which CX-072 is directed, as well as targets, such as cluster of differentiation 166, against, which CX-2009 is directed.