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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">Surgery and Oncology</journal-id><journal-title-group><journal-title xml:lang="en">Surgery and Oncology</journal-title><trans-title-group xml:lang="ru"><trans-title>Хирургия и онкология</trans-title></trans-title-group></journal-title-group><issn publication-format="electronic">2949-5857</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">821</article-id><article-id pub-id-type="doi">10.17650/2949-5857-2026-16-1-40-49</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>ORIGINAL REPORT</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>ОРИГИНАЛЬНОЕ ИССЛЕДОВАНИЕ</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">Retrospective non-comparative single-center study of platinum-based regimen efficacy in the 1<sup>st</sup> line therapy of high-grade neuroendocrine carcinomas of gynecologic tract</article-title><trans-title-group xml:lang="ru"><trans-title>Ретроспективное несравнительное одноцентровое исследование по изучению эффективности платиносодержащих режимов в 1-й линии терапии распространенных нейроэндокринных карцином гинекологической локализации</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-3472-3106</contrib-id><name-alternatives><name xml:lang="en"><surname>Suleymanova</surname><given-names>Khadizhat A.</given-names></name><name xml:lang="ru"><surname>Сулейманова</surname><given-names>Хадижат Аслановна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>hadijatsuleymanova@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4108-439X</contrib-id><name-alternatives><name xml:lang="en"><surname>Zhulikov</surname><given-names>Ya. A.</given-names></name><name xml:lang="ru"><surname>Жуликов</surname><given-names>Я. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>hadijatsuleymanova@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5574-9970</contrib-id><name-alternatives><name xml:lang="en"><surname>Evdokimova</surname><given-names>E. V.</given-names></name><name xml:lang="ru"><surname>Евдокимова</surname><given-names>Е. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>hadijatsuleymanova@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9259-4525</contrib-id><name-alternatives><name xml:lang="en"><surname>Shevchuk</surname><given-names>A. S.</given-names></name><name xml:lang="ru"><surname>Шевчук</surname><given-names>А. С.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>hadijatsuleymanova@gmail.com</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0005-2365-495X</contrib-id><name-alternatives><name xml:lang="en"><surname>Kachmasova</surname><given-names>A. K.</given-names></name><name xml:lang="ru"><surname>Качмасова</surname><given-names>А. К.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Oncology Center No. 1</p></bio><bio xml:lang="ru"><p>Онкологический центр № 1</p></bio><email>hadijatsuleymanova@gmail.com</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff3"/><xref ref-type="aff" rid="aff4"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4550-2069</contrib-id><name-alternatives><name xml:lang="en"><surname>Delektorskaya</surname><given-names>V. V.</given-names></name><name xml:lang="ru"><surname>Делекторская</surname><given-names>В. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>hadijatsuleymanova@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5548-1724</contrib-id><name-alternatives><name xml:lang="en"><surname>Markovich</surname><given-names>A. A.</given-names></name><name xml:lang="ru"><surname>Маркович</surname><given-names>А. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>hadijatsuleymanova@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5229-8203</contrib-id><name-alternatives><name xml:lang="en"><surname>Stilidi</surname><given-names>I. S.</given-names></name><name xml:lang="ru"><surname>Стилиди</surname><given-names>И. С.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>hadijatsuleymanova@gmail.com</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7728-9533</contrib-id><name-alternatives><name xml:lang="en"><surname>Artamonova</surname><given-names>E. V.</given-names></name><name xml:lang="ru"><surname>Артамонова</surname><given-names>Е. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>hadijatsuleymanova@gmail.com</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/><xref ref-type="aff" rid="aff5"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">N.N. Blokhin National Medical Research Center of Oncology, Ministry of Health of Russia</institution></aff><aff><institution xml:lang="ru">ФГБУ «Национальный медицинский исследовательский центр онкологии им. Н. Н. Блохина» Минздрава России</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">N.I. Pirogov Russian National Research Medical University, Ministry of Health of Russia</institution></aff><aff><institution xml:lang="ru">ФГАОУ ВО «Российский национальный исследовательский медицинский университет им. Н. И. Пирогова» Минздрава России</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">Russian University of Medicine, Ministry of Health of Russia</institution></aff><aff><institution xml:lang="ru">ФГБОУ ВО «Российский университет медицины» Минздрава России</institution></aff></aff-alternatives><aff-alternatives id="aff4"><aff><institution xml:lang="en">S. S. Yudin Moscow City Clinical Hospital, Moscow Healthcare Department</institution></aff><aff><institution xml:lang="ru">ГБУЗ г. Москвы «Городская клиническая больница им. С. С. Юдина Департамента здравоохранения г. Москвы»</institution></aff></aff-alternatives><aff-alternatives id="aff5"><aff><institution xml:lang="en">M.F. Vladimirsky Moscow Regional Scientific Research Clinical Institute</institution></aff><aff><institution xml:lang="ru">ГБУЗ МО «Московский областной научно-исследовательский клинический институт им. М. Ф. Владимирского»</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2026-03-15" publication-format="electronic"><day>15</day><month>03</month><year>2026</year></pub-date><volume>16</volume><issue>1</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>40</fpage><lpage>49</lpage><history><date date-type="received" iso-8601-date="2025-07-29"><day>29</day><month>07</month><year>2025</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2026, ABV-press</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2026, АБВ-пресс</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="en">ABV-press</copyright-holder><copyright-holder xml:lang="ru">АБВ-пресс</copyright-holder><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://onco-surgery.info/jour/about/editorialPolicies</ali:license_ref></license></permissions><self-uri xlink:href="https://onco-surgery.info/jour/article/view/821">https://onco-surgery.info/jour/article/view/821</self-uri><abstract xml:lang="en"><p><bold>Introduction.</bold> Neuroendocrine carcinomas (NEC) of gynecologic tract are rare and aggressive tumors for which there are currently no standardized approaches to systemic therapy. Platinum-based chemotherapy regimens are the main treatment method, but data on their efficacy are limited to a few retrospective studies.</p> <p><bold>Aim.</bold> To evaluate the efficacy of platinum-based chemotherapy as first-line treatment for patients with metastatic gynecologic NEC, as well as the prognostic role of tumor histology, tumor location, disease extent, frequency of second-line therapy, and progression-free survival (PFS).</p> <p><bold>Materials and methods.</bold> A retrospective analysis was conducted of the efficacy of platinum-based chemotherapy as first-line therapy for primary metastatic or recurrent (with a platinum-free interval ≥12 months) NEC of gynecologic tract at the N. N. Blokhin National Medical Research Centre for Oncology in 2017–2024.</p> <p><bold>Results.</bold> The most common site of primary tumor was the cervix (<italic>n</italic> = 18; 62.1 %), 5 patients had ovarian NEC (17.2 %), 3 had uterine NEC (10.3 %), 2 had vulvar NEC (6.9 %), and 1 case of vaginal NEC was diagnosed (3.4 %). In 15 patients (51.7 %), the disease was detected at stage IV, and in 14 (48.3 %), progression was noted after primary treatment with a platinum-free interval of ≥12 months. Small-cell histological type was detected in 17 patients (58.6 %), large-cell in 12 of 29 (41.4 %). The frequency of high microsatellite instability (MSI) cases was 13.3 % (2 out of 15 examined), and positive expression of somatostatin receptors 2 and / or 5 (SSTR) was found in 33.3 % (4 out of 12 examined). In most cases, etoposide + cisplatin / carboplatin regimens were used (<italic>n</italic> = 25; 86.2 %), and 4 patients (13.8 %) received the paclitaxel + carboplatin regimen. The objective response rate was 44.8 %; the median PFS was 7.5 months (95 % confidence interval (CI) 2.9–12.1), median overall survival (OS) was 14 months (95 % CI 13–16.2). Disease control ≥6 months was achieved in 15 (51.7 %) patients, ≥12 months in 6 (20.7 %). Peritoneal carcinomatosis was significantly associated with worse PFS (hazard ratio 4.37; <italic>p </italic>= 0.01), and ECOG status 1–2 was associated with worse OS (hazard ratio 3.4; <italic>p </italic>= 0.01). No statistically significant differences in survival were found between histological types.</p> <p><bold>Conclusion.</bold> First-line platinum-based chemotherapy demonstrates efficacy comparable to previously published data in metastatic NEC of gynecologic tract. The high frequency of MSI-high cases justifies its routine measurement. The expression of somatostatin receptors is of interest for further study as a prognostic and therapeutic marker.</p></abstract><trans-abstract xml:lang="ru"><p><bold>Введение.</bold> Нейроэндокринные карциномы (НЭК) гинекологической локализации – редкие и агрессивные опухоли, для которых до настоящего времени не существует стандартизированных подходов к системной терапии. Платиносодержащие режимы химиотерапии – основной метод лечения, однако данные об их эффективности ограничены несколькими ретроспективными исследованиями.</p> <p><bold>Цель исследования</bold> – оценить эффективность платиносодержащей химиотерапии в 1-й линии лечения пациенток с метастатическими НЭК гинекологической локализации, а также прогностическую роль гистологического типа опухоли, ее локализации и распространенности процесса, частоту назначения 2-й линии терапии и показатель выживаемости без прогрессирования (ВБП).</p> <p><bold>Материалы и методы.</bold> Проведен ретроспективный анализ эффективности платиносодержащей химиотерапии в 1-й линии лечения первично-метастатических или рецидивных (при бесплатиновом интервале ≥12 мес) НЭК гинекологической локализации у пациенток, лечившихся в Национальном медицинском исследовательском центре онкологии им. Н. Н. Блохина в 2017–2024 гг.</p> <p><bold>Результаты.</bold> Наиболее частой локализацией первичной опухоли стала шейка матки (<italic>n</italic> = 18; 62,1 %), у 5 (17,2 %) пациенток выявлена НЭК яичников, у 3 (10,3 %) – НЭК тела матки, у 2 (6,9 %) – НЭК вульвы, в 1 случае диагностирована НЭК влагалища (3,4 %). У 15 (51,7 %) пациенток заболевание выявлено на IV стадии, у 14 (48,3 %) отмечено прогрессирование после первичного лечения при бесплатиновом интервале ≥12 мес. Мелкоклеточный гистотип выявлен у 17 (58,6 %) пациенток, крупноклеточный – у 12 (41,4 %) из 29. Частота статуса высокой микросателлитной нестабильности составила 13,3 % (2 наблюдения из 15), положительная экспрессия рецепторов соматостатина 2-го и / или 5-го типов обнаружена в 33,3 % (4 из 12 исследованных) случаев. В большинстве случаев (<italic>n</italic> = 25; 86,2 %) использовались схемы этопозид + цисплатин / карбоплатин, 4 (13,8 %) пациентки получали режим паклитаксел + цисплатин / карбоплатин. Частота объективного ответа составила 44,8 %, медиана ВБП – 7,5 мес (95 % доверительный интервал 2,9–12,1), медиана общей выживаемости – 14 мес (95 % доверительный интервал 13–16,2). Контроль болезни ≥6 мес достигнут у 15 (51,7 %) пациенток, ≥12 мес – у 6 (20,7 %). Канцероматоз брюшины достоверно ассоциировался с ухудшением ВБП (отношение рисков 4,37; <italic>p</italic> = 0,01), ECOG-статус 1–2 – с ухудшением общей выживаемости (отношение рисков 3,4; <italic>p</italic> = 0,01). Выживаемость пациенток с разными гистологическими подтипами опухолей статистически значимо не различалась.</p> <p><bold>Заключение.</bold> Платиносодержащая химиотерапия в 1-й линии лечения метастатических НЭК гинекологической локализации продемонстрировала эффективность, сопоставимую с таковой в данных литературы. Выявленная частота статуса высокой микросателлитной нестабильности обосновывает целесообразность его рутинного определения. Экспрессия рецепторов соматостатина представляет интерес для дальнейшего изучения в качестве прогностического и терапевтического маркера.</p></trans-abstract><kwd-group xml:lang="en"><kwd>platinum-containing chemotherapy</kwd><kwd>small cell neuroendocrine cancer</kwd><kwd>large cell neuroendocrine cancer</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>платиносодержащая химиотерапия</kwd><kwd>мелкоклеточный нейроэндокринный рак</kwd><kwd>крупноклеточный нейроэндокринный рак</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Zhang X., Lv Z., Lou H. The clinicopathological features and treatment modalities associated with survival of neuroendocrine cervical carcinoma in a Chinese population. BMC Cancer 2019;19(1):22. DOI: 10.1186/s12885-018-5147-2</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>Stecklein S.R., Jhingran A., Burzawa J. et al. 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