Primary Objectives:
Dose escalation:
Expansion phase:
Secondary Objectives:
o With histologically confirmed (cytological diagnosis is acceptable) advanced or metastatic solid tumors that have no standard therapeutic options or are intolerant to these therapies.
Participants with MSS/pMMR CRC must have progressed on or after combination chemotherapy regimens containing BOTH irinotecan AND oxaliplatin.
For Part 2 SCCHN only: