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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="other" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Tumors of female reproductive system</journal-id><journal-title-group><journal-title xml:lang="en">Tumors of female reproductive system</journal-title><trans-title-group xml:lang="ru"><trans-title>Опухоли женской репродуктивной системы</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1994-4098</issn><issn publication-format="electronic">1999-8627</issn><publisher><publisher-name xml:lang="en">Publishing House ABV Press</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">1349</article-id><article-id pub-id-type="doi">10.17650/1994-4098-2025-21-1-68-74</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>GYNECOLOGY. ORIGINAL REPORTS</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>ГИНЕКОЛОГИЯ. ОРИГИНАЛЬНЫЕ СТАТЬИ</subject></subj-group><subj-group subj-group-type="article-type"><subject></subject></subj-group></article-categories><title-group><article-title xml:lang="en">Remote results of treatment of patients with advanced ovarian cancer after interval and delayed cytoreductive surgery: a retrospective single-center study</article-title><trans-title-group xml:lang="ru"><trans-title>Отдаленные результаты лечения пациенток с распространенным раком яичников после интервальной и отложенной циторедуктивной операции: ретроспективное одноцентровое исследование</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Sorokin</surname><given-names>P. I.</given-names></name><name xml:lang="ru"><surname>Сорокин</surname><given-names>П. И.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Pavel Igorevich Sorokin</p><p>27 Istra Settlement, Moscow Region 143515</p></bio><bio xml:lang="ru"><p>Павел Игоревич Сорокин</p><p>143515 Московская область, пос. Истра, 27</p></bio><email>sor-pavel@ya.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Utkin</surname><given-names>D. O.</given-names></name><name xml:lang="ru"><surname>Уткин</surname><given-names>Д. О.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>27 Istra Settlement, Moscow Region 143515</p></bio><bio xml:lang="ru"><p>143515 Московская область, пос. Истра, 27</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Novozhilov</surname><given-names>M. V.</given-names></name><name xml:lang="ru"><surname>Новожилов</surname><given-names>М. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>27 Istra Settlement, Moscow Region 143515</p></bio><bio xml:lang="ru"><p>143515 Московская область, пос. Истра, 27</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Abduragimova</surname><given-names>Z. T.</given-names></name><name xml:lang="ru"><surname>Абдурагимова</surname><given-names>З. Т.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>27 Istra Settlement, Moscow Region 143515</p></bio><bio xml:lang="ru"><p>143515 Московская область, пос. Истра, 27</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kulikova</surname><given-names>S. E.</given-names></name><name xml:lang="ru"><surname>Куликова</surname><given-names>С. Е.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>27 Istra Settlement, Moscow Region 143515</p></bio><bio xml:lang="ru"><p>143515 Московская область, пос. Истра, 27</p></bio><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Moscow City Oncology Hospital No. 62, Moscow City Healthcare Department</institution></aff><aff><institution xml:lang="ru">ГБУЗ г. Москвы «Московская городская онкологическая больница № 62 Департамента здравоохранения г. Москвы»</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2025-05-08" publication-format="electronic"><day>08</day><month>05</month><year>2025</year></pub-date><volume>21</volume><issue>1</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>68</fpage><lpage>74</lpage><history><date date-type="received" iso-8601-date="2025-05-06"><day>06</day><month>05</month><year>2025</year></date><date date-type="accepted" iso-8601-date="2025-05-06"><day>06</day><month>05</month><year>2025</year></date></history><permissions><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/></permissions><self-uri xlink:href="https://ojrs.abvpress.ru/ojrs/article/view/1349">https://ojrs.abvpress.ru/ojrs/article/view/1349</self-uri><abstract xml:lang="en"><p><bold>Background.</bold> Neoadjuvant chemotherapy is an option for the treatment of advanced ovarian cancer. The data about optimal chemotherapy cycles before surgery is contradictory. We conducted a retrospective study to evaluate long-term outcomes following interval and delayed cytoreductive surgeries.</p><p><bold>Aim.</bold> To compare long-term outcomes following interval and delayed cytoreductive surgeries.</p><p><bold>Materials and methods.</bold> The study included 115 patients who suffered from advanced ovarian cancer (IIIC–IVB stages) and were operated in Moscow City Oncology Hospital No. 62 after 3–4 (interval cytoreductive surgery; <italic>n</italic> = 58) or 5–6 cycles (delayed cytoreductive surgery; <italic>n</italic> = 57) of neoadjuvant chemotherapy between January 2018 and December 2021. The primary endpoint is overall survival; secondary endpoint is disease-free survival.</p><p><bold>Results.</bold> Median disease-free survival was 18 months in the interval cytoreductive surgery group and 16 months in the delayed cytoreductive surgery group (<italic>p</italic> &gt;0.05). Median overall survival was 47 months in both groups (<italic>p</italic> &gt;0.05).</p><p><bold>Conclusion.</bold> The number of cycles of neoadjuvant chemotherapy did not affect overall and disease-free survival in patients with advanced ovarian cancer.</p></abstract><trans-abstract xml:lang="ru"><p><bold>Введение.</bold> При невозможности выполнения первичной циторедукции при распространенном раке яичников применяется неоадъювантная химиотерапия. данные об оптимальном количестве циклов перед операцией противоречивы. мы провели ретроспективное исследование, сравнивающее отдаленные результаты после интервальной и отложенной циторедуктивной операции.</p><p><bold>Цель исследования </bold>– сравнить отдаленные результаты лечения пациенток, которым проводилось 3–4 или 5–6 циклов химиотерапии перед циторедуктивной операцией.</p><p><bold>Материалы и методы.</bold> В исследование было включено 115 пациенток c IIIC–IVB стадиями рака яичников, которым проводилась неоадъювантная химиотерапия, а затем циторедуктивная операция в московской городской онкологической больнице № 62 в период с января 2018 г. по декабрь 2021 г. В группу интервальных циторедукций вошли пациентки, которым проводилось 3–4 цикла химиотерапии (<italic>n</italic> = 58), в группу отложенных циторедукций – пациентки, получившие 5–6 циклов химиотерапии (<italic>n</italic> = 57). Первичная конечная точка исследования – общая выживаемость, вторичная – выживаемость без прогрессирования.</p><p><bold>Результаты.</bold> Медиана безрецидивной выживаемости в группе интервальных циторедукций – 18 мес, в группе отложенных циторедукций – 16 мес (<italic>p</italic> &gt;0,05). медиана выживаемости составила 47 мес в группе интервальных циторедукций и 47 мес в группе отложенных циторедукций (<italic>p</italic> &gt;0,05).</p><p><bold>Выводы.</bold> Количество циклов неоадъювантной химиотерапии не влияло на общую и безрецидивную выживаемость пациенток с распространенным раком яичников.</p></trans-abstract><kwd-group xml:lang="en"><kwd>advanced ovarian cancer</kwd><kwd>neoadjuvant chemotherapy</kwd><kwd>disease-free survival</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>распространенный рак яичников</kwd><kwd>неоадъювантная химиотерапия</kwd><kwd>безрецидивная выживаемость</kwd></kwd-group><funding-group><funding-statement xml:lang="en">The authors express their gratitude to Vadim Gushchin, surgical oncologist and Director of the Cytoreductive Center at Mercy Clinic (Baltimore, USA) for critical analysis of the article and advice on its design.</funding-statement><funding-statement xml:lang="ru">Коллектив авторов выражает благодарность Вадиму Гущину, хирургу-онкологу и директору циторедуктивного центра клиники Mercy (Балтимор, США) за критический анализ статьи и советы по ее оформлению.</funding-statement></funding-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Erratum: Global Cancer Statistics 2018. 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