Dosage regimen for combination therapy using pd-1 axis binding antagonists and gpc3 targeting agent

Provided are dosage regimens for combination therapy using PD-1 axis binding antagonists and GPC3 targeting agent. For example, the dosage regimens comprise (i) a loading period within which the GPC3 targeting agent is administered, followed by (ii) a maintenance period within which the PD-1 axis binding antagonist and the GPC3 targeting agent are administered.