World Journal of Oncology, ISSN 1920-4531 print, 1920-454X online, Open Access
Article copyright, the authors; Journal compilation copyright, World J Oncol and Elmer Press Inc
Journal website https://www.wjon.org

Review

Volume 14, Number 1, February 2023, pages 26-31


Postoperative Chemotherapy After Surgical Resection of Metachronous Metastases of Colorectal Cancer: A Systematic Review

Table

Table 1. Characteristics of Studies Included in Systematic Review
 
Author/yearCountryChemotherapy regimenNumber of patientsRFS (ACT vs. surgery only)OS (ACT vs. surgery only)
ACT: adjuvant chemotherapy; 5-FU: 5-fluorouracil; FOLFOX: oxaliplatin, leucovorin, fluorouracil; OS: overall survival; RFS: relapse-free survival; FOLFIRI: irinotecan, leucovorin, fluorouracil; HR: hazard ratio; CI: confidence interval.
Park et al, 2015 [14]Korea1) Monofluoropyrimidines (5-FU, TS-1, or capecitabine)22132.7 vs. 11.20 months, P = 0.07689.6 vs. 86.8 months, P = 0.833
2) FOLFOX
3) FOLFIRI
Imanishi et al, 2019 [15]Japan1) Monofluoropyrimidines3842.1 vs. 2.2 years (HR: 1.07; 95% CI: 0.82 - 1.39; P = 0.62)8 years and not reached in the surgery alone group (HR: 1.00; 95% CI: 0.69 - 1.45; P = 1.00)
2) FOLFOX
3) FOLFIRI
Zhang et al, 2019 [16]China1) Monofluoropyrimidines3,885HR: 0.91; 95% CI: 0.74 - 1.11; P = 0.339HR: 0.78; 95% CI: 0.60 - 1.03; P = 0.077
2) Fluoropyrimidine with leucovorin
3) FOLFOX
4) FOLFIRI
Mauri et al, 2018 [17]GreeceMonofluoropyrimidines482HR: 0.645, 95% CI: 0.509 - 0.818, P = 0.001HR: 0.781, 95% CI: 0.593 - 1.030, P = 0.080
Kanemitsu et al, 2021 [18]JapanFOLFOX3005-year RFS 49.8% vs. 38.7%, P = 0.0065-year OS 71.2% vs. 83.1% (HR: 1.25; 95% CI: 0.78 - 2.00; two-sided P = 0.42)
Ciliberto et al, 2012 [19]ItalyFOLFOX, FOLFIRI642HR: 0.75; 95% CI: 0.620 - 0.910; P = 0.003HR: 0.743; 95% CI: 0.527 - 1.045; P = 0.088
Wang et al, 2015 [20]China5-FU, FOLFOX, hepatic arterial infusion, regional Chemotherapy in combination with systemic Chemotherapy1,896HR: 0.81; 95% CI: 0.72 - 0.91; P = 0.0007HR: 0.88; 95% CI: 0.77 - 1.01; P = 0.07
Araujo et al, 2015 [21]Brazil5-FU, FOLFOX2,475HR: 0.71; 95% CI: 0.61 - 0.83; P < 0.001HR: 0.77; 95% CI: 0.67 - 0.88; P < 0.001