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Article: Post-radiation Plasma Epstein-Barr Virus DNA and Local Clinical Remission After Radical Intensity-modulated Radiation Therapy for Nasopharyngeal Carcinoma

TitlePost-radiation Plasma Epstein-Barr Virus DNA and Local Clinical Remission After Radical Intensity-modulated Radiation Therapy for Nasopharyngeal Carcinoma
Authors
KeywordsIntensity-modulated radiation therapy
Local clinical remission
Nasopharyngeal carcinoma
Post-treatment plasma EBV DNA
Issue Date2016
PublisherWB Saunders Co Ltd. The Journal's web site is located at http://www.elsevier.com/locate/clon
Citation
Clinical Oncology, 2016, v. 28 n. 1, p. 42-49 How to Cite?
AbstractAims: We studied if post-radiation plasma Epstein-Barr virus (EBV) DNA predicted local clinical remission after radical intensity-modulated radiation therapy (IMRT) for nasopharyngeal carcinoma. Materials and methods: Patients with non-metastatic nasopharyngeal carcinoma with baseline and serial plasma EBV DNA were treated with radical IMRT ± adjunct chemotherapy. Eight weeks after IMRT, they had plasma EBV DNA and routine six-site random nasopharyngeal biopsies on the same day. A repeat biopsy was carried out every 2 weeks if residual tumours were noted in previous biopsies until 12 weeks after IMRT when local persistence was defined. Correlation of undetectable plasma EBV DNA with local clinical remission was carried out. Results: Two hundred and sixty patients with serial plasma EBV DNA completed IMRT, after a median follow-up of 3.1 years. Only one (0.4%) suffered from local persistence. Area under the curve values of receiver operating characteristics of undetectable plasma EBV DNA for negative biopsy at 8 weeks and local persistence were 0.642 and 0.439, respectively. They increased to 0.856 (P = 0.007) and 0.952 (P = 0.119), respectively, when combined with age <65 years and T1/T2 stage. Conclusions: Post-treatment plasma EBV DNA was not useful to predict local clinical remission in this study, probably because of excellent local control after IMRT. However, it may serve as a reference for high-risk patients treated with older radiation techniques.
Persistent Identifierhttp://hdl.handle.net/10722/227213
ISSN
2023 Impact Factor: 3.2
2023 SCImago Journal Rankings: 0.907
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorLee, VHF-
dc.contributor.authorKwong, DLW-
dc.contributor.authorLeung, TW-
dc.contributor.authorChoi, CW-
dc.contributor.authorLam, KO-
dc.contributor.authorSze, CKH-
dc.contributor.authorHo, PYP-
dc.contributor.authorChan, WLW-
dc.contributor.authorWong, LS-
dc.contributor.authorLeung, D-
dc.date.accessioned2016-07-18T09:09:07Z-
dc.date.available2016-07-18T09:09:07Z-
dc.date.issued2016-
dc.identifier.citationClinical Oncology, 2016, v. 28 n. 1, p. 42-49-
dc.identifier.issn0936-6555-
dc.identifier.urihttp://hdl.handle.net/10722/227213-
dc.description.abstractAims: We studied if post-radiation plasma Epstein-Barr virus (EBV) DNA predicted local clinical remission after radical intensity-modulated radiation therapy (IMRT) for nasopharyngeal carcinoma. Materials and methods: Patients with non-metastatic nasopharyngeal carcinoma with baseline and serial plasma EBV DNA were treated with radical IMRT ± adjunct chemotherapy. Eight weeks after IMRT, they had plasma EBV DNA and routine six-site random nasopharyngeal biopsies on the same day. A repeat biopsy was carried out every 2 weeks if residual tumours were noted in previous biopsies until 12 weeks after IMRT when local persistence was defined. Correlation of undetectable plasma EBV DNA with local clinical remission was carried out. Results: Two hundred and sixty patients with serial plasma EBV DNA completed IMRT, after a median follow-up of 3.1 years. Only one (0.4%) suffered from local persistence. Area under the curve values of receiver operating characteristics of undetectable plasma EBV DNA for negative biopsy at 8 weeks and local persistence were 0.642 and 0.439, respectively. They increased to 0.856 (P = 0.007) and 0.952 (P = 0.119), respectively, when combined with age <65 years and T1/T2 stage. Conclusions: Post-treatment plasma EBV DNA was not useful to predict local clinical remission in this study, probably because of excellent local control after IMRT. However, it may serve as a reference for high-risk patients treated with older radiation techniques.-
dc.languageeng-
dc.publisherWB Saunders Co Ltd. The Journal's web site is located at http://www.elsevier.com/locate/clon-
dc.relation.ispartofClinical Oncology-
dc.subjectIntensity-modulated radiation therapy-
dc.subjectLocal clinical remission-
dc.subjectNasopharyngeal carcinoma-
dc.subjectPost-treatment plasma EBV DNA-
dc.titlePost-radiation Plasma Epstein-Barr Virus DNA and Local Clinical Remission After Radical Intensity-modulated Radiation Therapy for Nasopharyngeal Carcinoma-
dc.typeArticle-
dc.identifier.emailLee, VHF: vhflee@hku.hk-
dc.identifier.emailKwong, DLW: dlwkwong@hku.hk-
dc.identifier.emailLeung, TW: ltw920@hkucc.hku.hk-
dc.identifier.emailChoi, CW: hcchoi@hku.hk-
dc.identifier.emailLam, KO: lamkaon@hku.hk-
dc.identifier.emailSze, CKH: henrysze@graduate.hku.hk-
dc.identifier.emailHo, PYP: pattyho@hku.hk-
dc.identifier.emailChan, WLW: winglok@hku.hk-
dc.identifier.authorityLee, VHF=rp00264-
dc.identifier.authorityKwong, DLW=rp00414-
dc.identifier.authorityLam, KO=rp01501-
dc.identifier.authoritySze, CKH=rp01697-
dc.identifier.authorityChan, WLW=rp02541-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.clon.2015.09.009-
dc.identifier.pmid26482452-
dc.identifier.scopuseid_2-s2.0-84951850630-
dc.identifier.hkuros258817-
dc.identifier.volume28-
dc.identifier.issue1-
dc.identifier.spage42-
dc.identifier.epage49-
dc.identifier.isiWOS:000367046400007-
dc.publisher.placeUnited Kingdom-
dc.identifier.issnl0936-6555-

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