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BMC Cancer
Published in: BMC Cancer 1/2018

Open Access 01-12-2018 | Research article

EGFR mutation frequency in Middle East and African non-small cell lung cancer patients: a systematic review and meta-analysis

Authors: Zineb Benbrahim, Teresita Antonia, Nawfel Mellas

Published in: BMC Cancer | Issue 1/2018

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Abstract

Background

Our goal was to investigate the prevalence of the epidermal growth factor receptor (EGFR) mutation in Middle East and African countries and to compare its prevalence with that shown in other populations.

Methods

We used PubMed and the Cochrane Library databases to conduct a literature search using the terms “[EGFR] AND [mutation] AND [Non Small Cell Lung Cancer] AND [Middle East OR Africa].” We assessed studies published in English and French from 2004 until 2016.

Results

Ten relevant studies were included in this systematic review. Overall, 1215 patients with non-small cell lung cancer (NSCLC) were included in this analysis. The overall ratio of male to female patients was 2.15. Of total patients included, 41.1% had never smoked and 85.8% had been diagnosed with adenocarcinoma. In 8 of the 10 studies, polymerase chain reaction (PCR) analyses were conducted to identify EGFR mutations. In total, 257 patients had an EGFR mutation, corresponding to a prevalence of 21.2%. The most frequent abnormality detected in all of the studies was in exon 19. In addition, all studies concluded the presence of a correlation between EGFR mutation status and female sex, non-smoking status, and adenocarcinoma subtype.

Conclusions

The EGFR mutation frequency in Middle East and African patients is higher than that shown in white populations but still lower than the frequency reported in Asian populations.
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Metadata
Title
EGFR mutation frequency in Middle East and African non-small cell lung cancer patients: a systematic review and meta-analysis
Authors
Zineb Benbrahim
Teresita Antonia
Nawfel Mellas
Publication date
01-12-2018
Publisher
BioMed Central
Published in
BMC Cancer / Issue 1/2018
Electronic ISSN: 1471-2407
DOI
https://doi.org/10.1186/s12885-018-4774-y

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