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<article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Russian Journal of Oncology</journal-id><journal-title-group><journal-title xml:lang="en">Russian Journal of Oncology</journal-title><trans-title-group xml:lang="ru"><trans-title>Российский онкологический журнал</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1028-9984</issn><issn publication-format="electronic">2412-9119</issn><publisher><publisher-name xml:lang="en">Eco-Vector</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">39979</article-id><article-id pub-id-type="doi">10.17816/onco39979</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Articles</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Статьи</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Effect of HER2-Neu expression in primary tumor on the efficacy of adjuvant polychemotherapy in patients with stage i-ii small cell lung cancer</article-title><trans-title-group xml:lang="ru"><trans-title>Влияние экспрессии HER2-Neu в первичной опухоли на эффективность адъювантной полихимиотерапии у больных с I—II стадией немелкоклеточного рака легкого</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kolesnik</surname><given-names>A. P</given-names></name><name xml:lang="ru"><surname>Колесник</surname><given-names>Алексей Петрович</given-names></name></name-alternatives><bio xml:lang="ru"><p>канд. мед. наук, доц. каф. онкологии</p></bio><email>kap_kan@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Zaporozhye State Medical University</institution></aff><aff><institution xml:lang="ru">Запорожский государственный медицинский университет</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2013-06-15" publication-format="electronic"><day>15</day><month>06</month><year>2013</year></pub-date><volume>18</volume><issue>3</issue><issue-title xml:lang="en">NO3 (2013)</issue-title><issue-title xml:lang="ru">№3 (2013)</issue-title><fpage>30</fpage><lpage>35</lpage><history><date date-type="received" iso-8601-date="2020-07-22"><day>22</day><month>07</month><year>2020</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2013, Eco-Vector</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2013, ООО "Эко-Вектор"</copyright-statement><copyright-year>2013</copyright-year><copyright-holder xml:lang="en">Eco-Vector</copyright-holder><copyright-holder xml:lang="ru">ООО "Эко-Вектор"</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/></permissions><self-uri xlink:href="https://rjonco.com/1028-9984/article/view/39979">https://rjonco.com/1028-9984/article/view/39979</self-uri><abstract xml:lang="en"><p>Lung cancer is a "world leader" in structure incidence and mortality from malignant disease. Surgery is the main treatment that can completely treat patient. But, nearly 50% of patients had disease progression after operation due to presents of micro metastases in time of operation. That’s why necessary to indicate group of patients who needs adjuvant chemotherapy for increasing survival of patients. It is possible to indicate group of patients with the help of molecular markers. The aim of our study is to investigate effectiveness of adjuvant chemotherapy in early non-small cell lung cancer patients due to expression of HER2-Neu in primary tumor. Evaluation of HER2-Neu expression was conducted in 243 patients. HER2-Neu hyperexpression was detected in 70 (28,8%) patients, and absence of HER2-Neu expression in 173 patients (71,2%). We did not identify relationships between HER2-Neu expression in primary tumor and sex, age of patients, location, histologic form, morphologic differentiation of tumor, T criteria. However, patients with N1 and accordingly stage II more frequently defined HER2-Neu hyper expression (р=0,0001 and р=0,001). Moreover, decrease survival was defined in patients with early stages non-small cell lung cancer with HER2-Neu hyper expression in primary tumor (р&lt;0,0001). There is a significant effect after adjuvant chemotherapy in patients with low HER2-Neu expression. It helps to individualize adjuvant chemotherapy and avoid groundless toxic therapy prescription.</p></abstract><trans-abstract xml:lang="ru"><p>Рак легкого является "мировым лидером" в структуре заболеваемости и смертности от злокачественных новообразований. Хирургическое лечение остается основным методом, который позволяет вылечить пациента. Однако у 50% больных после операции наступает прогрессирование заболевания, что связано с наличием микрометастазов уже на момент выполнения операции. В связи с этим необходимо определить группу больных, у которых будет эффективным использование адъювантной полихимиотерапии для улучшения выживаемости. Выделить эту группу пациентов возможно с помощью молекулярных прогностических маркеров. Целью нашего исследования было изучение эффективности адъювантной полихимиотерапии у больных с ранними стадиями немелкоклеточного рака легкого (НМКРЛ) в зависимости от экспрессии HER2-Neu в первичной опухоли. Оценка экспрессии HER2-Neu проведена у 243 больных. Гиперэкспрессия маркера выявлена у 70 (28,8%) пациентов, а отсутствие экспрессии HER2-Neu у 173 (71,2%) больных. Нами не выявлено связи между уровнем экспрессии HER2-Neu в первичной опухоли больных с ранними стадиями НМКРЛ, полом, возрастом пациентов, локализацией, гистологической формой и морфологической дифференцировкой опухоли, критерием Т. Однако отмечается, что у больных с N1 и II стадией НМКРЛ чаще встречается гиперэкспрессия HER2-Neu (р=0,0001 и р=0,001 соответственно). Кроме того, выявлено значительное ухудшение выживаемости больных с ранними стадиями НМКРЛ при наличии в первичной опухоли гиперэкспрессии HER2-Neu (p &lt;0,0001). У больных с отсутствием экспрессии HER2-Neu в опухоли наблюдается выраженный эффект от проведенной адъювантной полихимиотерапии, что позволяет индивидуализировать данный вид лечения и избежать необоснованного назначения токсической терапии.</p></trans-abstract><kwd-group xml:lang="en"><kwd>Non-small cell lung cancer</kwd><kwd>survival</kwd><kwd>prognosis</kwd><kwd>adjuvant chemotherapy</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>немелкоклеточный рак легкого</kwd><kwd>выживаемость</kwd><kwd>прогноз</kwd><kwd>адъювантная полихимиотерапия</kwd></kwd-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Araujo A., Ribeiro R., Azevedo I. et al. Genetic polymorphisms of the epidermal growth factor and related receptor in Non-Small-Cell Lung Cancer. A review of the literature. 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