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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">Kazan medical journal</journal-id><journal-title-group><journal-title xml:lang="en">Kazan medical journal</journal-title><trans-title-group xml:lang="ru"><trans-title>Казанский медицинский журнал</trans-title></trans-title-group></journal-title-group><issn publication-format="print">0368-4814</issn><issn publication-format="electronic">2587-9359</issn><publisher><publisher-name xml:lang="en">Eco-Vector</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">627543</article-id><article-id pub-id-type="doi">10.17816/KMJ627543</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Clinical experiences</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Обмен клиническим опытом</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">Treatment experience in patients with recurrent ovarian cancer</article-title><trans-title-group xml:lang="ru"><trans-title>Опыт лечения больных с рецидивом рака яичников</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6927-3336</contrib-id><contrib-id contrib-id-type="spin">1781-0007</contrib-id><name-alternatives><name xml:lang="en"><surname>Zhurman</surname><given-names>Varvara N.</given-names></name><name xml:lang="ru"><surname>Журман</surname><given-names>Варвара Николаевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Cand. Sci. (Med.), Assist. Lecturer, Depart. of Obstetrics and Gynecology</p></bio><bio xml:lang="ru"><p>канд. мед. наук, ассистент, каф. акушерства и гинекологии</p></bio><email>varvara2007@yandex.ru</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Primorsky Regional Oncology Dispensary</institution></aff><aff><institution xml:lang="ru">Приморский краевой онкологический диспансер</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Pacific State Medical University</institution></aff><aff><institution xml:lang="ru">Тихоокеанский государственный медицинский университет</institution></aff></aff-alternatives><pub-date date-type="preprint" iso-8601-date="2025-02-24" publication-format="electronic"><day>24</day><month>02</month><year>2025</year></pub-date><pub-date date-type="pub" iso-8601-date="2025-04-20" publication-format="electronic"><day>20</day><month>04</month><year>2025</year></pub-date><volume>106</volume><issue>2</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>308</fpage><lpage>315</lpage><history><date date-type="received" iso-8601-date="2024-02-28"><day>28</day><month>02</month><year>2024</year></date><date date-type="accepted" iso-8601-date="2024-09-25"><day>25</day><month>09</month><year>2024</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2025, Eco-Vector</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2025, Эко-Вектор</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="en">Eco-Vector</copyright-holder><copyright-holder xml:lang="ru">Эко-Вектор</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/" start_date="2028-04-20"/></permissions><self-uri xlink:href="https://kazanmedjournal.ru/kazanmedj/article/view/627543">https://kazanmedjournal.ru/kazanmedj/article/view/627543</self-uri><abstract xml:lang="en"><p><bold>BACKGROUND</bold>: In patients experiencing recurrence of ovarian cancer, the choice of treatment strategy is crucial—whether to perform secondary cytoreduction followed by chemotherapy or to administer chemotherapy alone.</p> <p><bold>AIM</bold>: The analysis aimed to assess the effectiveness of treatment strategies based on clinicopathological factors in patients with a first recurrence of ovarian cancer.</p> <p><bold>MATERIAL</bold><bold> </bold><bold>AND</bold><bold> </bold><bold>METHODS</bold>: A retrospective analysis was conducted on medical records of 446 female patients with first recurrent ovarian cancer treated at the Primorsky Regional Oncology Center. Among them, 53 (11.9%) had platinum-refractory recurrence, 110 (24.7%) had platinum-resistant recurrence, and 283 (63.5%) had platinum-sensitive recurrence. BRCA1/2 mutation testing was performed in 197 patients, revealing mutations in 62 (31.5%) cases, while 135 (68.5%) had no detected mutations. The primary endpoints were overall survival and progression-free survival. The impact of clinicopathological factors was assessed using univariate and multivariate analyses and Kaplan–Meier survival curves.</p> <p><bold>RESULTS</bold>: In patients with first recurrence of ovarian cancer, overall survival and progression-free survival were significantly improved in cases of platinum-sensitive recurrence (p = 0.0010 for both overall and progression-free survival), stage I disease (p = 0.0030 for overall survival; p = 0.0010 for progression-free survival), the presence of BRCA1/2 mutations (p = 0.0010 for overall survival; p = 0.0070 for progression-free survival), secondary cytoreduction followed by chemotherapy (p = 0.0010 for both overall and progression-free survival), a single recurrent tumor (p = 0.0010 for overall survival; p = 0.0040 for progression-free survival), and complete primary cytoreduction (p = 0.0010 for both overall and progression-free survival), with the extent of initial cytoreduction being a significant factor (p = 0.0100 for overall survival; p = 0.0010 for progression-free survival). According to multivariate analysis, the risk of progression decreased by 30% in the presence of BRCA1/2 mutations (p = 0.0160) and by 30% in cases of a single recurrent tumor (p = 0.0040). Independent risk factors for progression included tumor histological type, the extent of primary cytoreduction, platinum-free interval duration, treatment strategy for the first recurrence, chemotherapy regimen, and maintenance therapy approach.</p> <p><bold>CONCLUSION</bold>: Complete secondary cytoreduction followed by antitumor drug therapy significantly improves overall survival and progression-free survival in patients with platinum-sensitive recurrence, increasing the likelihood of subsequent platinum-sensitive recurrences.</p></abstract><trans-abstract xml:lang="ru"><p><bold>Актуальность</bold>. У больных с рецидивом рака яичников остро встаёт необходимость выбора тактики лечения — повторная циторедукция с последующей химиотерапией или проведение только химиотерапии.</p> <p><bold>Цель исследования</bold>. Определение эффективности лечения больных с первым рецидивом рака яичников в зависимости от клинико-морфологических факторов.</p> <p><bold>Материал и методы</bold>. Оценивали результаты ретроспективного анализа медицинских карт стационарного больного 446 пациенток с первым рецидивом рака яичников, проходивших лечение на базе Приморского краевого онкологического диспансера. Из них группу больных с платинорефрактерным рецидивом составили 53 (11,9%) пациента, с платинорезистентным рецидивом — 110 (24,7%) больных и с платиночувствительным рецидивом — 283 (63,5%). Обследование на наличие мутаций в генах <italic>BRCA</italic>1/2 выполнили 197 больным; у 62 из 197 (31,5%) обнаружили мутацию в данных генах, у 135 из 197 (68,5%) мутации отсутствовали. Первичной конечной точкой была общая выживаемость и выживаемость без прогрессирования. Влияние клинико-морфологических факторов определяли с помощью однофакторного и многофакторного анализов и кривой выживаемости Каплана–Мейера.</p> <p><bold>Результаты</bold>. У больных с первым рецидивом рака яичников преимущества в общей выживаемости и выживаемости без прогрессирования были при платиночувствительном рецидиве (<italic>р</italic>=0,0010 для общей выживаемости и выживаемости без прогрессирования), при I стадии (<italic>р</italic>=0,0030 для общей выживаемости; <italic>р</italic>=0,0010 для выживаемости без прогрессирования), при наличии мутации в генах <italic>BRCA</italic>1/2 (<italic>р</italic>=0,0010 для общей выживаемости; <italic>р</italic>=0,0070 для выживаемости без прогрессирования), при повторной циторедукции с последующим проведением химиотерапии (<italic>р</italic>=0,0010 для общей выживаемости и выживаемости без прогрессирования), при наличии одной рецидивной опухоли (<italic>р</italic>=0,0010 для общей выживаемости; <italic>р</italic>=0,0040 для выживаемости без прогрессирования), при первичной циторедукции (<italic>р</italic>=0,0010 для общей выживаемости и выживаемости без прогрессирования), выполненной в полном объёме (<italic>р</italic>=0,0100 для общей выживаемости; <italic>р</italic>=0,0010 для выживаемости без прогрессирования). По данным многофакторного анализа риск прогрессирования снижался на 30% при наличии мутации в генах <italic>BRCA</italic>1/2 (<italic>р</italic>=0,0160) и на 30% при наличии одной рецидивной опухоли (<italic>р</italic>=0,0040). Независимыми факторами риска прогрессирования были гистологический тип опухоли, объём первичной циторедукции, длительности бесплатинового интервала, вариант лечения первого рецидива, вариант химиотерапии, вариант поддерживающей терапии.</p> <p><bold>Заключение</bold>. Выполнение полной повторной циторедукции с последующим проведением противоопухолевой лекарственной терапии у больных с платиночувствительным рецидивом значимо повышает общую выживаемость и выживаемость без прогрессирования, увеличивая частоту последующих платиночувствительных рецидивов.</p></trans-abstract><kwd-group xml:lang="en"><kwd>ovarian cancer</kwd><kwd>first recurrence</kwd><kwd>secondary cytoreduction</kwd><kwd>overall survival</kwd><kwd>progression-free survival</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>рак яичников</kwd><kwd>первый рецидив</kwd><kwd>повторная циторедукция</kwd><kwd>общая выживаемость</kwd><kwd>выживаемость без прогрессирования</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Momenimovahed Z, Tiznobaik A, Taheri S, et al. Ovarian cancer in the world: epidemiology and risk factors. 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