ArticleWorld journal of surgical oncology2024
Efficacy of adjuvant chemotherapy after curative hepatectomy for patients with colorectal cancer liver metastases: a single-center retrospective study.
Article in World journal of surgical oncology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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- Observational
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8 authors.
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Abstract
backgroundThe survival benefit of adjuvant chemotherapy after curative hepatectomy for colorectal cancer (CRC) liver metastases remains controversial. This retrospective study aimed to evaluate the efficacy of adjuvant chemotherapy in improving recurrence-free survival (RFS) and overall survival (OS) in patients who underwent curative hepatectomy for CRC liver metastases at a tertiary medical center.
methodsWe retrospectively analyzed clinicopathological factors in 89 patients (surgery alone, n = 63; adjuvant chemotherapy, n = 26) who underwent curative hepatectomy for CRC liver metastases from January 2010 to December 2022. Patients who received neoadjuvant therapy or prior hepatectomy were excluded to minimize patient heterogeneity. Multivariate analysis using Cox proportional hazards regression was conducted to assess the independent effect of adjuvant therapy on RFS and OS.
resultsThe 3-year RFS rates were 22.6% in the surgery alone group and 29.6% in the adjuvant chemotherapy group (hazard ratio, 0.71; 95% confidence interval, 0.43-1.21; p = 0.102). The 3-year OS rates were 72.3% in the surgery alone group and 88.5% in the adjuvant chemotherapy group (hazard ratio, 0.59; 95% confidence interval, 0.29-1.25; p = 0.17). Univariate analyses showed that the number of liver metastases (> 2) was significantly associated with poorer OS (hazard ratio, 2.44; 95% confidence interval, 1.11-5.37; p = 0.027). Additionally, multivariate analyses showed that the addition of adjuvant chemotherapy was significantly associated with improved OS (hazard ratio, 0.23; 95% confidence interval, 0.07-0.81; p = 0.021).
conclusionsAdjuvant chemotherapy may improve OS after curative hepatectomy for CRC liver metastases, though it did not significantly impact RFS. Larger-scale multicenter prospective studies with stratified analyses are needed to confirm these findings.
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