- Dose expansion groups of FAZ053 single agent and FAZ053 in combination with PDR001: Patients with advanced/metastatic solid tumors with at least one measurable lesion as determined by RECIST version 1.1 who may or may not have received prior treatment with an immune checkpoint inhibitor (for FAZ053 single agent no treatment with an anti-PD-L1 inhibitor is permitted), who have progressed despite standard therapy, or for whom no standard therapy is available and fit into one of the following groups: