Patient demographics and baseline characteristics
| Characteristics | Advanced CSCC (group 4, n=63) |
| Age, median (range), years | 74 (23–94) |
| Male sex, n (%) | 53 (84) |
| ECOG performance status, n (%) | |
| 0 | 25 (40) |
| 1 | 38 (60) |
| Extent of disease, n (%) | |
| Metastatic | 39 (62) |
| Locally advanced | 24 (38) |
| Prior cancer-related radiotherapy, n (%) | 38 (60) |
| Number of cancer-related systemic therapy regimens at baseline, n (%) | |
| 0 | 54 (86) |
| 1 | 7 (11) |
| 2 | 2 (3) |
Data cut-off date: 20 April 2022.
CSCC, cutaneous squamous cell carcinoma; ECOG, Eastern Cooperative Oncology Group.