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Published in: BMC Cancer 1/2012

Open Access 01-12-2012 | Research article

Role of plasma EBV DNA levels in predicting recurrence of nasopharyngeal carcinoma in a western population

Authors: Daris Ferrari, Carla Codecà, Cecilia Bertuzzi, Francesca Broggio, Francesca Crepaldi, Andrea Luciani, Irene Floriani, Mohssen Ansarin, Fausto Chiesa, Daniela Alterio, Paolo Foa

Published in: BMC Cancer | Issue 1/2012

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Abstract

Background

Loco-regionally advanced nasopharyngeal carcinomas can be cured by the combination of chemotherapy and radiotherapy. In Eastern countries, plasma levels of viral Epstein-Barr deoxyribonucleic acid (DNA) are accurate in predicting recurrence, but few data are available in Western populations. The aim of this prospective study was to evaluate the relationship between viral Epstein-Barr DNA copy numbers in plasma and the response rate, progression-free survival and overall survival in a cohort of Western patients with stage IIb-IVb nasopharyngeal cancer.

Methods

We evaluated plasma samples from 36 consecutive patients treated with induction chemotherapy followed by chemoradiation. EBV copy numbers were determined after DNA extraction using real-time quantitative polymerase chain reaction. Survival curves were estimated using the Kaplan–Meier method.

Results

Circulating Epstein-Barr virus DNA levels were measured before treatment, at the end of concomitant chemo- and radiotherapy, and during the follow-up period. Pre-treatment levels significantly correlated with the initial stage and probability of relapse. Their increase was 100% specific and 71.3% sensitive in detecting loco-regional or metastatic recurrence (an overall accuracy of 94.4%). Three-year progression-free and overall survival were respectively 78.2% and 97.1%.

Conclusions

The results of this study confirm that patients from a Western country affected by loco-regionally advanced nasopharyngeal carcinoma have high plasma Epstein-Barr virus DNA levels at diagnosis. The monitoring of plasma levels is sensitive and highly specific in detecting disease recurrence and metastases.
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Metadata
Title
Role of plasma EBV DNA levels in predicting recurrence of nasopharyngeal carcinoma in a western population
Authors
Daris Ferrari
Carla Codecà
Cecilia Bertuzzi
Francesca Broggio
Francesca Crepaldi
Andrea Luciani
Irene Floriani
Mohssen Ansarin
Fausto Chiesa
Daniela Alterio
Paolo Foa
Publication date
01-12-2012
Publisher
BioMed Central
Published in
BMC Cancer / Issue 1/2012
Electronic ISSN: 1471-2407
DOI
https://doi.org/10.1186/1471-2407-12-208

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Antibody–drug conjugates (ADCs) are novel agents that have shown promise across multiple tumor types. Explore the current landscape of ADCs in breast and lung cancer with our experts, and gain insights into the mechanism of action, key clinical trials data, existing challenges, and future directions.

Dr. Véronique Diéras
Prof. Fabrice Barlesi
Developed by: Springer Medicine