Number of Patients, Male | 24 |
Number of Patients, Female | 20 |
TNM Stage | |
IIIA | 3 (6.8%) |
IIIB | 2 (4.5%) |
IVA | 14 (31.8%) |
IVB | 25 (56.8%) |
TNM classification (Union for International Cancer Control 7th edition). | |
Age | Median (range): 69 years (33–82 years) |
Number of Prior Systemic Therapies | Median (range): 3 (1–5) |
Performance Status: ECOG |
0 — 25 1 — 19 2 — 3 — Unknown — |
Detailed Patient Characteristics | |
Age, years | |
<65 | 8 (18.2%) |
≥65 | 36 (81.8%) |
Body mass index | |
<25 | 38 (86.4%) |
≥25 | 6 (13.6%) |
RAS status | |
Wild‐type | 25 (56.8%) |
Mutant | 19 (43.2%) |
Prior therapy: Yes | 44 (100%) |
Fluoropyrimidine | 44 (100%) |
Oxaliplatin | 44 (100%) |
Irinotecan | 44 (100%) |
Anti‐VEGF inhibitor | 44 (100%) |
Anti‐EGFR antibody | 25 (56.8%) |
Regorafenib | 9 (20.5%) |
Prior number of regimens | |
1 | 1 (2.3%) |
2 | 18 (40.9%) |
3 | 13 (29.5%) |
≥4 | 12 (27.3%) |
Diagnosis | |
Colon | 27 (61.4%) |
Rectum | 17 (38.6%) |
Primary tumor locationa | |
Left‐sided | 31 (70.5%) |
Right‐sided | 13 (29.5%) |
Cancer Types or Histologic Subtypes | Well‐differentiated tubular adenocarcinoma (tub1), 16; moderately differentiated tubular adenocarcinoma (tub2), 26; other, 2 |
Abbreviations: EGFR, epidermal growth factor receptor; VEGF, vascular endothelial growth factor. | |
aRight‐sided was defined as cancer that is located in the cecum, ascending colon, or transverse colon, and left‐sided as cancer located in the descending colon, sigmoid colon, or rectum. |