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<article article-type="research-article" dtd-version="1.3" 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" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">tumors</journal-id><journal-title-group><journal-title xml:lang="ru">Malignant tumours</journal-title><trans-title-group xml:lang="en"><trans-title>Malignant tumours</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2224-5057</issn><issn pub-type="epub">2587-6813</issn><publisher><publisher-name>Rosoncoweb</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.18027/2224-5057-2021-11-3s1-16-18</article-id><article-id custom-type="elpub" pub-id-type="custom">tumors-846</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>Статьи</subject></subj-group></article-categories><title-group><article-title>НЭО G3 — новая подгруппа, новые подходы</article-title><trans-title-group xml:lang="en"><trans-title></trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Евдокимова</surname><given-names>Е. В.</given-names></name></name-alternatives><bio xml:lang="ru"><p> Москва </p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Артамонова</surname><given-names>Е. В.</given-names></name></name-alternatives><bio xml:lang="ru"><p> Москва </p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Делекторская</surname><given-names>В. В.</given-names></name></name-alternatives><bio xml:lang="ru"><p> Москва </p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Чемерис</surname><given-names>Г. Ю.</given-names></name></name-alternatives><bio xml:lang="ru"><p> Москва </p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff xml:lang="ru" id="aff-1"><institution>ФГБУ «НМИЦ онкологии имени Н.Н. Блохина» Минздрава России</institution><country>Russian Federation</country></aff><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>04</day><month>11</month><year>2021</year></pub-date><volume>11</volume><issue>3s1</issue><fpage>16</fpage><lpage>18</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Евдокимова Е.В., Артамонова Е.В., Делекторская В.В., Чемерис Г.Ю., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Евдокимова Е.В., Артамонова Е.В., Делекторская В.В., Чемерис Г.Ю.</copyright-holder><copyright-holder xml:lang="en">Евдокимова Е.В., Артамонова Е.В., Делекторская В.В., Чемерис Г.Ю.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://www.malignanttumors.org/jour/article/view/846">https://www.malignanttumors.org/jour/article/view/846</self-uri><abstract><p>Введение: Подгруппа нейроэндокринных опухолей (НЭО) G3 впервые была выделена в 2017 году. Данная подгруппа опухолей отличается от смежных групп НЭО G2 и крупноклеточных нейроэндокринный карцином (КНЭК) по своим молекулярным и морфологическим свойствам. Эта группа характеризуется индексом ki-67&gt;20% и отсутствием мутаций p53 и Rb, которые характерны для нейроэндокринных карцином (НЭК), но отсутствуют в группе НЭО. Опухоли группы НЭО G3 характеризуются менее благоприятным течением, чем опухоли группы НЭО G2, но, тем не менее, протекают значительно более благоприятно, нежели НЭК. К сожалению, на сегодняшний день не существует единого стандарта лечения для данной группы пациентов.Цели и задачи: 1) определение иммуногистохимического статуса рецепторов соматостатина в новой группе НЭО G3; 2) оценка эффективности режимов химиотерапии 1-й линии в комбинации с терапией аналогами соматостатина.Материалы и методы: В исследование включено 53 пациента с диагнозом НЭО G3 (медиана ki-67 36,4% [21,0–60,0%]). В 1 линию лечения пациентам проводилась химиотерапия (ХТ) 1-й линии Аранозой (n =19) или в режиме XELOX (n =8) или TemCAP (n =11) или платиносодержащими режимами (n =10) в комбинации с аналогами соматостатина (АС). Анализ базы данных проведен с помощью программы IBM SPSS Statistics версия 26.0.0.0.Заключение: Экспрессия РСС 2 и/или 5 типа выявлена в 64,1% (n =34) случаев НЭО G3. Наличие экспрессии рецепторов соматостатина в опухоли позволило добавить терапию АС к системной ХТ. Медиана выживаемости без прогрессирования (ВБП) в группе Аранозы +АС составила 12,0 ± 5,1 месяцев (95%ДИ: 1,9–22,0), в группе XELOX +АС — 5,0 ± 2,0 месяцев (0,9–9,0), в группе TemCAP +АС — 11,0 ± 8,4 месяцев (1,6–27,4) и в группе платиносодержащих комбинаций +АС — 4,0 ± 1,3 месяца (1,4–6,6), статистическая значимость не достигнута (p =0,3). Частота контроля заболевания (ЧКЗ) в группе Аранозы + АС составила 73,6 %, частота объективных ответов (ЧОО) — 36,8 %, прогрессирование заболевания (ПЗ) наблюдалось в 21,1% случаев. В группе XELOX +АС ЧОО составила 62,5%, стабилизация болезни наблюдалась в 50,0% случаев, ПЗ в 25,0%. В группе TemCAP +АС ЧКЗ составила 63,6%, ЧОО наблюдался в 9,1%, ПЗ в 18,2% случаев. В группе платиносодержащих режимов +АС стабилизация болезни наблюдалась в 40,0% случаев, ПЗ было отмечено в 50,0% случаев (p =0,05). В результате комбинированного действия двух групп препаратов была достигнута максимальная эффективность лечения данных пациентов.</p></abstract><kwd-group xml:lang="ru"><kwd>нейроэндокринные неоплазии</kwd><kwd>НЭО Grade 3</kwd><kwd>высокодифференцированные</kwd><kwd>высокозлокачественные</kwd><kwd>нейроэндокринные опухоли</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Pavel M, O’Toole D, Costa F, et al. ENETS consensus guidelines update for the management of distant metastatic disease of intestinal, pancreatic, bronchial neuroendocrine neoplasms (NEN) and NEN of unknown primary site. Neuroendocrinology 2016;103:172– 85.</mixed-citation><mixed-citation xml:lang="en">Pavel M, O’Toole D, Costa F, et al. 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