Beyond first-line, there are multiple prospective studies and retrospective analyses which show the efficacy across multiple endpoints when SIR-Spheres Y-90 resin microspheres are used as a single agent, or in combination with chemotherapy.
Hendlisz et al. J Clin Oncol 2010; 28: 3687–94. Seidensticker et al. Cardiovasc Interv Radiol 2012; 35; 1066‒73. Cosimelli et al. Br J Cancer 2010; 103: 324–31. Kennedy et al. J Gastrointest Oncol 2015; 6: 134‒42.