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Meta-Analysis
. 2017 May 12;17(1):325.
doi: 10.1186/s12885-017-3323-4.

Clinical benefit of adding oxaliplatin to standard neoadjuvant chemoradiotherapy in locally advanced rectal cancer: a meta-analysis : Oxaliplatin in neoadjuvant treatment for rectal cancer

Francesca De Felice  1 , Ilaria Benevento  2 , Anna Lisa Magnante  2 , Daniela Musio  2 , Nadia Bulzonetti  2 , Rossella Caiazzo  2 , Vincenzo Tombolini  2
Affiliations
Meta-Analysis

Clinical benefit of adding oxaliplatin to standard neoadjuvant chemoradiotherapy in locally advanced rectal cancer: a meta-analysis : Oxaliplatin in neoadjuvant treatment for rectal cancer

Francesca De Felice et al. BMC Cancer. .

Abstract

Background: Neoadjuvant fluoropirimidine (5FU)-based chemoradiotherapy (CRT) has been considered the standard of care for locally advanced rectal cancer (LARC). Whether addition of oxaliplatin (OXP) will further improve clinical outcomes is still debated. We conducted a meta-analysis to evaluate the role of OXP in this patient population.

Methods: Literature searches were carried out in PubMed, Medline and Scopus databases. End points were overall survival (OS), disease free survival (DFS), local failure (LF) and distant failure (DF). Odd ratio (OR) with 95% confidence interval (CI) was calculated using random effects model.

Results: Four randomized trials were included. Patients treated with OXP-5FU CRT had significantly decreased DF (OR = 0.76; 95% CI, 0.60 to 0.97; p = 0.03) compared to standard CRT. OS, DFS and LF were not significantly different between groups.

Conclusions: OXP significantly decreased DF, but does not improve OS e DFS compared to 5FU CRT. Precise role of OXP in neoadjuvant setting of LARC remains to be determined.

Keywords: Chemoradiotherapy; Distant metastasis; Fluoruracil; Locally advanced rectal cancer; Neoadjuvant treatment; Oxaliplatin; Survival.

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Figures

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Flowchart for included and excluded trials
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Overall survival
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Disease free survival
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Local failure
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Distant failure
See this image and copyright information in PMC

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