- Part 2: Patients with histologically or cytologically confirmed HCC refractory to, intolerant of, or not eligible for standard treatment, or who decline standard therapy, or for whom no therapy with curative intent is available. If emerging Part 1 data suggest that a particular tumour type or specific tumour histology might be responsive to treatment, then patients with this tumour type or histology will also be included in Part 2 of the study.