Table 1.
Baseline characteristics of patients with incurable locally advanced or metastatic salivary duct carcinomas
| ADT No. of patients = 35 | BSC No. of patients = 43 | |
|---|---|---|
| Median age, years, range | 64 (38‐83) | 68 (42‐84) |
| Sex, no. of patients (%) | ||
| Male | 30 (86) | 35 (81) |
| Female | 5 (14) | 8 (19) |
| Androgen receptor expression, no. of patients (%) | ||
| Positive | 35 (100) | 35 (81) |
| Negative | 0 | 2 (5) |
| Not performed | 0 | 6 (17) |
| Distant metastasis, no. of patients (%) | ||
| Presenting with distant metastases | 10 (29) | 1 (2) |
| Sequential presentation of distant metastases | 23 (66) | 42 (98) |
| Median time between diagnosis and metastases, months (range) | 15 (1‐69) | 14 (1‐46) |
| Sites of distant metastasis, no. of patients (%) | ||
| Lungs | 20 (57) | 19 (44) |
| Bones | 19 (54) | 16 (63) |
| Lymph nodes | 22 (63) | 8 (19) |
| Liver | 7 (20) | 12 (28) |
| Brain | 3 (9) | 8 (19) |
| Other | 5 (14) | 5 (12) |
| No. of involved organs per patient, no. of patients (%) | ||
| 0 involved organs | 2 (6) | 0 (0) |
| 1 involved organ | 12 (34) | 26 (61) |
| 2 involved organs | 6 (17) | 11 (26) |
| 3 involved organs | 10 (29) | 4 (9) |
| 4 involved organs | 3 (9) | 2 (5) |
| 5 involved organs | 2 (6) | 0 (0) |
Abbreviation: ADT, androgen deprivation therapy; BSC, best supportive care
Patients receiving ADT and best supportive care (BSC) are mentioned separately.