Table 1.
Characteristics of the 62 URRC patients submitted to HPP/target-therapy or systemic therapy
All patients (n = 62) | HPP/target-therapy cohort (n = 43) | Systemic therapy cohort (n = 19) | P value (test) | |
---|---|---|---|---|
Gender | ||||
Male | 40 | 26 | 14 | 0.32, ns |
Female | 22 | 17 | 5 | (Student t) |
Age (years, median/IQR) at the 1st treatment of the 3rd line | 62/56–68 | 60/55–67 | 65/58–68 | 0.07, ns, (Mann–Whitney) |
Previous treatments of primary tumor | ||||
Neo-adjuvant chemo/RT | 8 | 6 | 2 | 0.71, ns, (Chi square) |
Abdominoperineal resection | 32 | 23 | 9 | 0.66, ns, (Chi square) |
Low anterior resection | 30 | 20 | 10 | 0.66, ns, (Chi square) |
Adjuvant chemo/RT | 26 | 19 | 7 | 0.59, ns, (Chi square) |
Previous treatments of recurrence | ||||
Systemic therapy | 62 | 43 | 19 | – |
Chemotherapy | 62 | 43 | 19 | – |
Fluorouracil | 61 | 43 | 18 | – |
Oxaliplatin | 61 | 43 | 18 | – |
Irinotecan | 62 | 43 | 19 | – |
Capecitabine | 10 | 7 | 3 | 1.00, ns, (Fisher exact) |
Targeted-therapy | 58 | 40 | 18 | 1.00, ns, (Fisher exact) |
Cetuximab | 18 | 12 | 6 | 0.77, ns, (Fisher exact) |
Bevacizumab | 52 | 34 | 18 | 0.15, ns, (Fisher exact) |
RT | 18 | 14 | 4 | 0.54, ns, (Fisher exact) |
Surgery | 15 | 13 | 2 | 0.12, ns, (Fisher exact) |
Yamada’s modified classification (Yamada et al. 2001) | ||||
Localizeda | 13 | 9 | 4 | 0.88, ns, (Chi square) |
Sacral | 37 | 25 | 12 | |
Lateral | 12 | 9 | 3 | |
Other metastatic sites | ||||
Not | 25 | 19 | 6 | 0.35, ns, (Student’t) |
Yes | 37 | 24 | 13 | |
Eastern Cooperative Oncology Group (ECOG) | ||||
1 | 10 | 7 | 3 | 0.88, ns, (Chi square) |
2 | 12 | 9 | 3 | |
3 | 40 | 27 | 13 | |
Interval time from URRC diagnosis and the 1st treatment of the 3rd line (months, median/IQR) | 14/12–19 | 15/13–18 | 14/9–35 | 0.44, ns, (Mann–Whitney) |
Number of cycles of the 3rd line (mean/SD) | 2.58/1.10 | 2.44/1.07 | 2.89/1.14 | 0.13, ns, (Student’t) |
Chemo/RT systemic chemotherapy/radiotherapy, IQR interquartile range, SD standard deviation, URRC unresectable recurrent rectal cancer, ns not significant
aThis group included cases with invasion of uterus, vagina, bladder, prostate, seminal vesicles