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©The Author(s) 2024.
World J Gastrointest Oncol. Apr 15, 2024; 16(4): 1281-1295
Published online Apr 15, 2024. doi: 10.4251/wjgo.v16.i4.1281
Published online Apr 15, 2024. doi: 10.4251/wjgo.v16.i4.1281
Table 1 Demographic data before surgery
Baseline variable | P-SOX group (n = 28) | SOX group (n = 61) | χ2 | P value |
Gender | 0.080 | 0.777 | ||
Male | 21 (75%) | 44 (72.58%) | ||
Female | 7 (25%) | 17 (27.42%) | ||
Age | 0.107 | 0.743 | ||
< 60 | 10 (35.71%) | 24 (38.71%) | ||
≥ 60 | 18 (64.29%) | 37 (61.29%) | ||
BMI | 1.684 | 0.431 | ||
< 18.5 | 4 (14.29%) | 10 (16.39%) | ||
18.5-23 | 19 (67.86%) | 33 (54.10%) | ||
≥ 23 | 5 (17.86%) | 18 (29.51%) | ||
Tumor location | 2.101 | 0.350 | ||
Upper | 6 (21.43%) | 15 (24.59%) | ||
Middle | 12 (42.86%) | 33 (54.10%) | ||
Lower | 10 (35.71%) | 13 (21.31%) | ||
cT stage | 0.297 | 0.586 | ||
T1/T2 | 5 (8.06%) | 14 (22.58%) | ||
T3/T4 | 23 (37.10%) | 47 (77.42%) | ||
cN stage | 1.099 | 0.295 | ||
N0 | 3 (10.71%) | 12 (19.67%) | ||
N1-N3 | 25 (89.29%) | 49 (80.32%) | ||
cM stage | 0.670 | 0.413 | ||
0 | 23 (82.14%) | 54 (88.91%) | ||
1 | 5 (17.86%) | 7 (11.29%) | ||
cTNM stage | 0.351 | 0.554 | ||
I and II | 7 (11.29%) | 19 (32.26%) | ||
III and IV | 21 (33.87%) | 42 (67.74%) | ||
Neoadjuvant cycle | 0.053 | 0.817 | ||
≤ 3 | 20 (71.43%) | 45 (72.58%) | ||
> 3 | 8 (28.57%) | 16 (27.42%) | ||
Operation mode | 0.149 | 0.700 | ||
Open surgery | 25 (89.29%) | 56 (91.94%) | ||
Laparoscopy | 3 (10.71%) | 5 (8.06%) | ||
Adverse chemotherapy reaction | 0.610 | 0.435 | ||
Yes | 6 (21.43%) | 9 (14.52%) | ||
No | 22 (78.57%) | 52 (85.24%) | ||
Differentiation | 1.140 | 0.286 | ||
Well and middle | 5 (17.86%) | 6 (9.84%) | ||
Poor and under-differentiated | 23 (82.14%) | 55 (90.16%) | ||
Borrmann type | 0.279 | 0.597 | ||
Big III | 15 (53.58%) | 29 (47.54%) | ||
IV | 13 (46.43%) | 32 (52.46%) | ||
AFP1 (ng/mL) | 0.566 | 0.452 | ||
≤ 8.1 | 20 (71.43%) | 43 (70.49%) | ||
> 8.1 | 2 (7.14%) | 8 (13.11%) | ||
Unknown | 6 (21.43%) | 10 (16.39%) | ||
CEA1 (ng/mL) | 0.123 | 0.726 | ||
≤ 5 | 16 (57.14%) | 35 (57.38%) | ||
> 5 | 6 (21.43%) | 16 (26.23%) | ||
Unknown | 6 (21.43%) | 10 (16.39%) | ||
CA1991 (U/mL) | 0.123 | 0.726 | ||
≤ 37 | 16 (57.14%) | 35 (57.38%) | ||
> 37 | 6 (21.43%) | 16 (26.23%) | ||
Unknown | 6 (21.43%) | 10 (16.39%) | ||
CA7241 (U/mL) | 0.432 | 0.511 | ||
≤ 6.9 | 12 (42.86%) | 32 (52.46%) | ||
> 6.9 | 10 (35.71%) | 19 (31.15%) | ||
Unknown | 6 (21.43%) | 10 (16.39%) | ||
CA1251 (U/mL) | 4.477 | 0.034a | ||
≤ 35 | 13 (46.43%) | 42 (68.85%) | ||
> 35 | 9 (32.14%) | 9 (14.75%) | ||
Unknown | 6 (21.43%) | 10 (16.39%) | ||
CA501 (U/mL) | 0.003 | 0.956 | ||
≤ 25 | 18 (64.29%) | 42 (68.85%) | ||
> 25 | 4 (14.29%) | 9 (14.75%) | ||
Unknown | 6 (21.43%) | 10 (16.39%) | ||
Leukemia1 | 0.228 | 0.892 | ||
≤ 3.5 | 1 (3.57%) | 3 (4.92%) | ||
3.5-9.5 | 19 (67.86%) | 43 (70.49%) | ||
> 9.5 | 3 (10.71%) | 5 (8.20%) | ||
Unknown | 5 (8.20%) | 10 (16.39%) | ||
HGB1 | 0.473 | 0.492 | ||
≤ 130 | 18 (64.29%) | 36 (59.02%) | ||
130-175 | 5 (8.20%) | 15 (24.59%) | ||
> 175 | 0 | 0 | ||
Unknown | 5 (8.20%) | 10 (16.39%) | ||
Platelets1 | 0.806 | 0.668 | ||
≤ 125 | 2 (7.14%) | 2 (3.28%) | ||
125-350 | 16 (57.14%) | 39 (63.93%) | ||
> 350 | 5 (8.20%) | 10 (16.39%) | ||
Unknown | 5 (8.20%) | 10 (16.39%) | ||
Neutrophils1 | 0.667 | 0.716 | ||
≤ 1.8 | 1 (3.57%) | 4 (6.56%) | ||
1.8-6.3 | 18 (64.29%) | 41 (67.21%) | ||
> 6.3 | 4 (14.29%) | 6 (9.84%) | ||
Unknown | 5 (8.20%) | 10 (16.39%) | ||
Lymphocytes1 | 0.084 | 0.772 | ||
≤ 1.1 | 8 (28.57%) | 16 (26.23%) | ||
1.1-3.2 | 15 (53.57%) | 35 (57.38%) | ||
> 3.2 | 0 | 0 | ||
Unknown | 5 (8.20%) | 10 (16.39%) | ||
AFP2 (ng/mL) | 0.078 | 0.781 | ||
≤ 8.1 | 20 (71.43%) | 46 (75.41%) | ||
> 8.1 | 4 (14.29%) | 11 (18.03%) | ||
Unknown | 4 (14.29%) | 4 (6.56%) | ||
CEA2 (ng/mL) | 2.806 | 0.094 | ||
≤ 5 | 22 (78.57%) | 43 (70.49%) | ||
> 5 | 2 (7.14%) | 14 (22.95%) | ||
Unknown | 4 (14.29%) | 4 (6.56%) | ||
CA1992 (U/mL) | 0.507 | 0.476 | ||
≤ 37 | 22 (78.57%) | 49 (80.33%) | ||
> 37 | 2 (7.14%) | 8 (13.11%) | ||
Unknown | 4 (14.29%) | 4 (6.56%) | ||
CA7242 (U/mL) | 2.034 | 0.154 | ||
≤ 6.9 | 18 (64.29%) | 32 (52.46%) | ||
> 6.9 | 6 (21.43%) | 23 (37.70%) | ||
Unknown | 4 (14.29%) | 6 (9.84%) | ||
CA1252 (U/mL) | 0.043 | 0.835 | ||
≤ 35 | 23 (82.14%) | 54 (88.52%) | ||
> 35 | 1 (3.57%) | 3 (4.92%) | ||
Unknown | 4 (14.29%) | 4 (6.56%) | ||
CA502 (U/mL) | 0.583 | 0.445 | ||
≤ 25 | 22 (78.57%) | 47 (77.05%) | ||
> 25 | 2 (7.14%) | 8 (13.11%) | ||
Unknown | 4 (14.29%) | 6 (9.84%) | ||
Leukemia2 | 1.181 | 0.554 | ||
≤ 3.5 | 7 (25%) | 12 (19.67%) | ||
3.5-9.5 | 16 (57.14%) | 43 (70.49%) | ||
> 9.5 | 3 (10.71%) | 4 (6.56%) | ||
Unknown | 2 (7.14%) | 2 (3.28%) | ||
HGB2 | 0.662 | 0.416 | ||
≤ 130 | 23 (82.14%) | 48 (78.69%) | ||
130-175 | 3 (10.71%) | 11 (18.03%) | ||
Unknown | 2 (7.14%) | 2 (3.28%) | ||
Platelets2 | 0.614 | 0.433 | ||
≤ 125 | 7 (25%) | 21 (34.43%) | ||
> 125 | 19 (67.86%) | 38 (62.30%) | ||
Unknown | 2 (7.14%) | 2 (3.23%) | ||
Neutrophils2 | 0.730 | 0.673 | ||
≤ 1.8 | 6 (21.43%) | 13 (21.31%) | ||
1.8-6.3 | 17 (60.71%) | 42 (68.85%) | ||
> 6.3 | 3 (10.71%) | 4 (6.56%) | ||
Unknown | 2 (7.14%) | 2 (3.23%) |
Table 2 Differences in response among the two groups
Baseline variable | P-SOX group (n = 28) | SOX group (n = 61) | P value |
TRG | 0.038 | ||
TRG0 | 4 (14.29%) | 3 (4.92%) | |
TRG1 | 8 (28.57%) | 8 (13.11%) | |
TRG2 | 13 (46.43%) | 30 (49.18%) | |
TRG3 | 3 (10.71%) | 20 (32.79%) | |
Subgroup analysis | 0.013a | ||
TRG0/TRG1 | 12 (42.86%) | 11 (18.03%) | |
TRG2/TRG3 | 16 (57.14%) | 50 (81.97%) | |
ypT stage | 0.272 | ||
0 | 4 (14.29%) | 2 (3.23%) | |
1 | 1 (3.57%) | 3 (4.92%) | |
2 | 6 (21.43%) | 8 (13.11%) | |
3 | 2 (7.14%) | 5 (8.20%) | |
4 | 15 (53.57%) | 43 (70.49%) | |
ypN stage | 0.130 | ||
0 | 11 (39.29%) | 12 (19.67%) | |
1 | 5 (8.20%) | 7 (11.48%) | |
2 | 5 (8.20%) | 15 (24.59%) | |
3 | 7 (25%) | 27 (44.26%) | |
ypM stage | 0.099 | ||
26 (92.86%) | 48 (78.69%) | ||
2 (7.14%) | 13 (21.31%) | ||
ypTNM stage | 0.196 | ||
pCR | 4 (14.29%) | 3 (4.92%) | |
I | 4 (14.29%) | 3 (4.92%) | |
II | 4 (14.29%) | 12 (19.67%) | |
III | 13 (46.43%) | 29 (47.54%) | |
IV | 3 (10.71%) | 14 (22.95%) | |
ypT stage | 0.055 | ||
T0 | 4 (14.29%) | 2 (3.28%) | |
T1-T4 | 24 (85.71%) | 59 (96.72%) | |
ypN stage | 0.05a | ||
N0 | 11 (39.29%) | 12 (19.67%) | |
N1-N3 | 17 (60.71%) | 49 (80.33%) | |
ypTNM stage | 0.130 | ||
pCR | 4 (14.29%) | 3 (4.92%) | |
I-IV | 24 (85.71%) | 58 (95.08%) |
Table 3 Clinicopathological results after surgery
Baseline variable | P-SOX group (n = 28) | SOX group (n = 61) | χ2 | P value |
Surgical approach | 0.149 | 0.700 | ||
Laparoscopy | 25 (89.29%) | 56 (91.80%) | ||
Open | 3 (10.71%) | 5 (8.20%) | ||
Extent of resection | 0.041 | 0.840 | ||
R0 | 23 (82.14%) | 49 (80.33%) | ||
R1 | 5 (17.86%) | 12 (19.67%) | ||
Nerve invasion | 0.634 | 0.426 | ||
No | 14 (50%) | 25 (40.98%) | ||
Yes | 14 (50%) | 36 (59.01%) | ||
Vessel invasion | 0.214 | 0.644 | ||
No | 12 (42.86%) | 23 (37.70%) | ||
Yes | 16 (57.14%) | 38 (62.30%) | ||
Harvested lymph nodes | 0.354 | |||
Median | 27.85 ± 10.27 | 31.45 ± 12.48 | ||
Positive lymph nodes | 0.254 | |||
Median | 4.71 ± 5.52 | 7.04 ± 8.84 |
Table 4 Postoperative complications
Baseline variable | P-SOX group (n = 28) | SOX group (n = 61) | P value |
Total | 5 (17.86%) | 4 (6.56%) | 0.101 |
Clavien-Dindo grading | |||
Grade I-II | 4 | 3 | 0.127 |
Fever | 2 | 1 | 0.182 |
Lung infection | 2 | 1 | 0.182 |
Pancreatic leakage | 0 | 1 | > 0.99 |
Cardiac insufficiency | 0 | 1 | > 0.99 |
Grade III | 1 | 1 | > 0.99 |
Anastomotic leakage | 1 | 1 | 0.568 |
Grade IV | 0 | 0 | NA |
Grade V | 0 | 0 | NA |
Postoperative bleeding | 94.82 ± 70.91 | 136.97 ± 119.59 | 0.020a |
Postoperative hospital stay | 11.42 ± 5.67 | 11.20 ± 4.57 | 0.964 |
Table 5 Neoadjuvant treatment adverse effects
Baseline variable | P-SOX group (n = 28) | SOX group (n = 61) | χ2 | P value |
WHO grading | ||||
0 | 7 (25%) | 16 (26.23%) | 0.015 | 0.902 |
I | 8 (28.57%) | 21 (34.43%) | 0.299 | 0.584 |
II | 9 (32.14%) | 15 (24.59%) | 0.566 | 0.456 |
III | 4 (14.29%) | 9 (14.75%) | 0.003 | 0.954 |
IV | 0 | 0 | ||
WBC decreased | 0.023 | 0.881 | ||
Grade 0, 1 | 24 (85.71%) | 53 (86.88%) | ||
Grade 2, 3, 4 | 4 (14.29%) | 8 (13.11%) | ||
HGB decreased | 0.026 | 0.873 | ||
Grade 0, 1 | 22 (78.57%) | 47 (77.05%) | ||
Grade 2, 3, 4 | 6 (21.43%) | 14 (22.95%) | ||
Platelet count decreased | 2.324 | 0.127 | ||
Grade 0, 1 | 24 (85.71%) | 58 (95.08%) | ||
Grade 2, 3, 4 | 4 (14.29%) | 3 (4.92%) | ||
Neutrophil count decreased | 0.140 | 0.708 | ||
Grade 0, 1 | 24 (85.71%) | 54 (88.52%) | ||
Grade 2, 3, 4 | 4 (14.29%) | 7 (11.48%) | ||
Other adverse effects | 0.458 | 0.499 | ||
Grade 0, 1 | 25 (89.29%) | 59 (96.72%) | ||
Grade 2, 3, 4 | 3 (10.71%) | 2 (3.28%) |
Table 6 Comparison of tumor indexes between programmed cell death 1 + S-1 + oxaliplatin group and S-1 + oxaliplatin group before and after chemotherapy
P-SOX group (n = 28) | SOX group (n = 61) | |||||
First diagnosed | Preoperative | P value | First diagnosed | Preoperative | P value | |
AFP (ng/mL) | 0.019a | 0.002a | ||||
≤ 8.1 | 20 (71.43%) | 20 (71.43%) | 43 (70.49%) | 46 (75.41%) | ||
> 8.1 | 2 (7.14%) | 4 (14.29%) | 8 (13.11%) | 11 (18.03%) | ||
Unknown | 6 (21.43%) | 4 (14.29%) | 10 (16.39%) | 4 (6.56%) | ||
CEA (ng/mL) | 0.211 | 0.405 | ||||
≤ 5 | 16 (57.14%) | 22 (57.14%) | 35 (57.38%) | 43 (70.49%) | ||
> 5 | 6 (21.43%) | 2 (21.43%) | 16 (26.23%) | 14 (22.95%) | ||
Unknown | 6 (21.43%) | 4 (14.29%) | 10 (16.39%) | 4 (6.56%) | ||
CA199 (U/mL) | 0.232 | 0.181 | ||||
≤ 37 | 16 (57.14%) | 22 (57.14%) | 36 (59.02%) | 49 (80.33%) | ||
> 37 | 6 (21.43%) | 2 (21.43%) | 15 (24.59%) | 8 (13.11%) | ||
Unknown | 6 (21.43%) | 4 (14.29%) | 10 (16.39%) | 4 (6.56%) | ||
CA724 (U/mL) | 0.356 | 0.552 | ||||
≤ 6.9 | 12 (42.86%) | 18 (42.86%) | 32 (52.46%) | 32 (52.46%) | ||
> 6.9 | 10 (35.71%) | 6 (35.71%) | 19 (31.15%) | 23 (37.70%) | ||
Unknown | 6 (21.43%) | 4 (14.29%) | 10 (16.39%) | 6 (9.84%) | ||
CA125 (U/mL) | 0.005a | 0.023a | ||||
≤ 35 | 13 (46.43%) | 23 (82.14%) | 42 (68.85%) | 54 (88.52%) | ||
> 35 | 9 (32.14%) | 1 (3.57%) | 9 (14.75%) | 3 (4.92%) | ||
Unknown | 6 (21.43%) | 4 (14.29%) | 10 (16.39%) | 4 (6.56%) | ||
CA50 (U/mL) | 0.301 | 0.915 | ||||
≤ 25 | 18 (64.29%) | 22 (64.29%) | 42 (68.85%) | 47 (77.05%) | ||
> 25 | 4 (14.29%) | 2 (14.29%) | 9 (14.75%) | 8 (13.11%) | ||
Unknown | 6 (21.43%) | 4 (14.29%) | 10 (16.39%) | 6 (9.84%) | ||
Leukemia | 0.366 | 0.005a | ||||
≤ 3.5 | 1 (3.57%) | 7 (25%) | 3 (4.92%) | 12 (19.67%) | ||
3.5-9.5 | 19 (67.86%) | 16 (57.14%) | 43 (70.49%) | 43 (70.49%) | ||
> 9.5 | 3 (10.71%) | 3 (10.71%) | 5 (8.20%) | 4 (6.56%) | ||
Unknown | 5 (8.20%) | 2 (7.14%) | 10 (16.39%) | 2 (3.28%) | ||
HGB | 0.094 | 0.045a | ||||
≤ 130 | 18 (64.29%) | 23 (82.14%) | 36 (59.02%) | 48 (78.69%) | ||
130-175 | 5 (8.20%) | 3 (10.71%) | 15 (24.59%) | 11 (18.03%) | ||
> 175 | 0 | 0 | 0 | 0 | ||
Unknown | 5 (8.20%) | 2 (7.14%) | 10 (16.39%) | 2 (3.28%) | ||
Platelets | 0.001a | 0.001a | ||||
≤ 125 | 2 (7.14%) | 7 (25%) | 2 (3.28%) | 21 (34.43%) | ||
125-350 | 16 (57.14%) | 19 (67.86%) | 39 (63.93%) | 35 (57.38%) | ||
> 350 | 5 (8.20%) | 0 | 10 (16.39%) | 3 (4.92%) | ||
Unknown | 5 (8.20%) | 2 (7.14%) | 10 (16.39%) | 2 (3.28%) | ||
Neutrophils | 0.077 | 0.005a | ||||
≤ 1.8 | 1 (3.57%) | 6 (21.43%) | 4 (6.56%) | 13 (21.31%) | ||
1.9-6.3 | 18 (64.29%) | 17 (60.71%) | 41 (67.21%) | 42 (68.85%) | ||
> 6.3 | 4 (14.29%) | 3 (10.71%) | 6 (9.84%) | 4 (6.56%) | ||
Unknown | 5 (8.20%) | 2 (7.14%) | 10 (16.39%) | 2 (3.28%) |
- Citation: Bao ZH, Hu C, Zhang YQ, Yu PC, Wang Y, Xu ZY, Fu HY, Cheng XD. Safety and efficacy of a programmed cell death 1 inhibitor combined with oxaliplatin plus S-1 in patients with Borrmann large type III and IV gastric cancers. World J Gastrointest Oncol 2024; 16(4): 1281-1295
- URL: https://www.wjgnet.com/1948-5204/full/v16/i4/1281.htm
- DOI: https://dx.doi.org/10.4251/wjgo.v16.i4.1281