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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">Head and Neck Tumors</journal-id><journal-title-group><journal-title xml:lang="en">Head and Neck Tumors</journal-title><trans-title-group xml:lang="ru"><trans-title>Опухоли головы и шеи</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2222-1468</issn><issn publication-format="electronic">2411-4634</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">1084</article-id><article-id pub-id-type="doi">10.17650/2222-1468-2025-15-4-52-59</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>DIAGNOSIS AND TREATMENT OF HEAD AND NECK TUMORS</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>ДИАГНОСТИКА И ЛЕЧЕНИЕ ОПУХОЛЕЙ ГОЛОВЫ И ШЕИ</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">Optimization of the systemic therapy stage in the management of patients with anaplastic thyroid cancer: the experience of one center</article-title><trans-title-group xml:lang="ru"><trans-title>Оптимизация этапа системной терапии в лечении пациентов с анапластическим раком щитовидной железы: опыт одного центра</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2571-243X</contrib-id><name-alternatives><name xml:lang="en"><surname>Dzhelialov</surname><given-names>E. S.</given-names></name><name xml:lang="ru"><surname>Джелялов</surname><given-names>Э. С.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>ernest.dzhelialov@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1903-5081</contrib-id><name-alternatives><name xml:lang="en"><surname>Sleptsov</surname><given-names>I. V.</given-names></name><name xml:lang="ru"><surname>Слепцов</surname><given-names>И. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>ernest.dzhelialov@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-3001-664X</contrib-id><name-alternatives><name xml:lang="en"><surname>Chernikov</surname><given-names>R. A.</given-names></name><name xml:lang="ru"><surname>Черников</surname><given-names>Р. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>ernest.dzhelialov@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6594-8845</contrib-id><name-alternatives><name xml:lang="en"><surname>Timofeeva</surname><given-names>N. I.</given-names></name><name xml:lang="ru"><surname>Тимофеева</surname><given-names>Н. И.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>ernest.dzhelialov@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7553-2026</contrib-id><name-alternatives><name xml:lang="en"><surname>Sereda</surname><given-names>O. A.</given-names></name><name xml:lang="ru"><surname>Середа</surname><given-names>О. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>ernest.dzhelialov@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0009-2644-3102</contrib-id><name-alternatives><name xml:lang="en"><surname>Mikheeva</surname><given-names>Yu. V.</given-names></name><name xml:lang="ru"><surname>Михеева</surname><given-names>Ю. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>ernest.dzhelialov@gmail.com</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5405-7887</contrib-id><name-alternatives><name xml:lang="en"><surname>Zulkarnaev</surname><given-names>A. B.</given-names></name><name xml:lang="ru"><surname>Зулькарнаев</surname><given-names>А. Б.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>ernest.dzhelialov@gmail.com</email><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-2654-1190</contrib-id><name-alternatives><name xml:lang="en"><surname>Shostka</surname><given-names>K. G.</given-names></name><name xml:lang="ru"><surname>Шостка</surname><given-names>К. Г.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>ernest.dzhelialov@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2274-8170</contrib-id><name-alternatives><name xml:lang="en"><surname>Belousov</surname><given-names>A. M.</given-names></name><name xml:lang="ru"><surname>Белоусов</surname><given-names>А. М.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>ernest.dzhelialov@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4447-9458</contrib-id><name-alternatives><name xml:lang="en"><surname>Orlova</surname><given-names>R. V.</given-names></name><name xml:lang="ru"><surname>Орлова</surname><given-names>Р. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>ernest.dzhelialov@gmail.com</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff4"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">N.I. Pirogova Clinic of High Medical Technologies, Saint Petersburg State University</institution></aff><aff><institution xml:lang="ru">Клиника высоких медицинских технологий им. Н. И. Пирогова ФГБОУ ВО «Санкт-Петербургский государственный университет»</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">National Medical Research Centre “Treatment and Rehabilitation Centre”, Ministry of Health of Russia</institution></aff><aff><institution xml:lang="ru">ФГАУ «Национальный медицинский исследовательский центр «Лечебно-реабилитационный центр»» Минздрава России</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">M.F. Vladimirsky Moscow Regional 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><aff-alternatives id="aff4"><aff><institution xml:lang="en">City Clinical Oncology Dispensary</institution></aff><aff><institution xml:lang="ru">СПб ГБУЗ «Городской клинический онкологический диспансер»</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2026-03-18" publication-format="electronic"><day>18</day><month>03</month><year>2026</year></pub-date><volume>15</volume><issue>4</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>52</fpage><lpage>59</lpage><history><date date-type="received" iso-8601-date="2025-09-01"><day>01</day><month>09</month><year>2025</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2026, Dzhelialov E.S., Sleptsov I.V., Chernikov R.A., Timofeeva N.I., Sereda O.A., Mikheeva Y.V., Zulkarnaev A.B., Shostka K.G., Belousov A.M., Orlova R.V.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2026, Джелялов Э.С., Слепцов И.В., Черников Р.А., Тимофеева Н.И., Середа О.А., Михеева Ю.В., Зулькарнаев А.Б., Шостка К.Г., Белоусов А.М., Орлова Р.В.</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="en">Dzhelialov E.S., Sleptsov I.V., Chernikov R.A., Timofeeva N.I., Sereda O.A., Mikheeva Y.V., Zulkarnaev A.B., Shostka K.G., Belousov A.M., Orlova R.V.</copyright-holder><copyright-holder xml:lang="ru">Джелялов Э.С., Слепцов И.В., Черников Р.А., Тимофеева Н.И., Середа О.А., Михеева Ю.В., Зулькарнаев А.Б., Шостка К.Г., Белоусов А.М., Орлова Р.В.</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://creativecommons.org/licenses/by/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://ogsh.abvpress.ru/jour/article/view/1084">https://ogsh.abvpress.ru/jour/article/view/1084</self-uri><abstract xml:lang="en"><p><bold>Introduction. </bold>Anaplastic thyroid cancer is a rare and extremely aggressive disease characterized by unfavorable prognosis. Improvement of systemic therapy allowed to treat this pathology, however its efficacy is limited.</p> <p><bold>Aim. </bold>To evaluate in real clinical practice efficacy of various systemic therapy regimens in patients with anaplastic thyroid cancer.</p> <p><bold>Materials and methods. </bold>A retrospective study of patients who received systemic therapy between 2019 and 2024 in N. I. Pirogova Clinic of High Medical Technologies, Saint Petersburg State University was performed with assessment of progression-free survival, overall survival, and objective response rate.</p> <p><bold>Results. </bold>Data on efficacy of 4 systemic therapy regimens were obtained: dabrafenib+ trametinib (n = 41; with BRAF gene mutation 41 (100 %) cases, without previous therapy 36 (87.8 %) cases), paclitaxel + carboplatin (n = 55; with BRAF gene mutation 14 (25.5 %) cases, without без previous therapy 44 (80 %) cases); doxorubicin (n = 17; with BRAF gene mutation 6 (35.3 %) cases, with previous therapy 17 (100 %) cases); pembrolizumab + lenvatinib (n = 18; with BRAF gene mutation 5 (27.8 %) cases,<bold> </bold>without previous therapy 11 (61.1 %) cases). Median progression-free survival in the dabrafenib + trametinib group was 163 days (95 % confidence interval 93–402), in the paclitaxel + carboplatin group 71 days, in the doxorubicin group 42 days, not reached in the pembrolizumab + lenvatinib group. Objective response rate for dabrafenib + trametinib therapy was 65.9 %, for paclitaxel + carboplatin 16.4 %, for doxorubicin 0 %, for pembrolizumab + lenvatinib 50 %. Median overall survival of patients with BRAF gene mutation was 299 days, of patients without it 156 days. One- and 2-year overall survival in these groups was 41.3 and 32.5 % versus 21.4 and 16.1 %, respectively.</p> <p><bold>Conclusion. </bold>Immune therapy is a promising approach to treatment of anaplastic thyroid cancer but observation of these patients continues. Further search for new treatments for this pathology is necessary.</p></abstract><trans-abstract xml:lang="ru"><p><bold>Введение. </bold>Анапластический рак щитовидной железы – редкое и крайне агрессивное заболевание, характеризующееся неблагоприятным прогнозом. Совершенствование системной терапии расширило возможности лечения данной патологии, однако его эффективность остается ограниченной.</p> <p><bold>Цель исследования</bold> – оценить эффективность различных режимов системной терапии у пациентов с анапластическим раком щитовидной железы в условиях реальной клинической практики.</p> <p><bold>Материалы и методы.</bold> Проведено ретроспективное исследование пациентов, которые получали системную терапию в период с 2019 по 2024 г. в Клинике высоких медицинских технологий им. Н. И. Пирогова Санкт-Петербургского государственного университета, с оценкой выживаемости без прогрессирования, общей выживаемости и частоты объективного ответа.</p> <p><bold>Результаты. </bold>Получены данные об эффективности 4 режимов системной терапии: дабрафениб + траметиниб (n = 41; с мутацией в гене BRAF – 41 (100 %) случай, без предшествующей терапии – 36 (87,8 %)), паклитаксел + карбоплатин (n = 55; с мутацией в гене BRAF – 14 (25,5 %) случаев, без предшествующей терапии – 44 (80 %)); доксорубицин (n = 17; с мутацией в гене BRAF – 6 (35,3 %) случаев, с предшествующей терапией – 17 (100 %)); пембролизумаб + ленватиниб (n = 18; с мутацией в гене BRAF – 5 (27,8 %) случаев,<bold> </bold>без предшествующей терапии – 11 (61,1 %)). Медиана выживаемости без прогрессирования в группе дабрафениба и траметиниба составила 163 дня (95 % доверительный интервал 93–402), в группе паклитаксела и карбоплатина – 71, в группе доксорубицина – 42, в группе пембролизумаба и ленватиниба не была достигнута. Частота объективного ответа при лечении дабрафенибом и траметинибом оказалась равной 65,9 %, паклитакселом и карбоплатином – 16,4 %, доксорубицином – 0 %, пембролизумабом и ленватинибом – 50 %. Медиана общей выживаемости у пациентов с мутацией в гене BRAF составила 299 дней, у пациентов без нее – 156. Одно- и 2-летняя общая выживаемости в этих группах оказалась равной 41,3 и 32,5 % против 21,4 и 16,1 % соответственно.</p> <p><bold>Заключение. </bold>Иммунотаргетная терапия является перспективным направлением в лечении анапластического рака щитовидной железы, однако наблюдение за этой группой пациентов продолжается. Необходим дальнейший поиск новых методов лечения данной патологии.</p></trans-abstract><kwd-group xml:lang="en"><kwd>anaplastic thyroid cancer</kwd><kwd>thyroid cancer</kwd><kwd>systemic therapy</kwd><kwd>chemotherapy</kwd><kwd>immunotherapy</kwd><kwd>targeted therapy</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>анапластический рак щитовидной железы</kwd><kwd>рак щитовидной железы</kwd><kwd>системная терапия</kwd><kwd>химиотерапия</kwd><kwd>таргетная терапия</kwd><kwd>иммунотерапия</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Jannin A., Escande A., Al Ghuzlan A. et al. Anaplastic thyroid carcinoma: an update. Cancers (Basel) 2022;14(4):1061. DOI: 10.3390/cancers14041061</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>Smallridge R.C., Copland J.A. Anaplastic thyroid carcinoma: pathogenesis and emerging therapies. Clin Oncol (R Coll Radiol) 2010;22(6):486–97. 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