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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">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">714</article-id><article-id pub-id-type="doi">10.17650/2222-1468-2021-11-4-41-49</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></subject></subj-group></article-categories><title-group><article-title xml:lang="en">Surgical stage in sequential therapy of unresectable oral cancer T3-4bN0-3M0: evaluation of treatment results</article-title><trans-title-group xml:lang="ru"><trans-title>Хирургический этап в последовательной терапии нерезектабельного рака полости рта T3–4bN0–3M0: оценка результатов лечения</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1185-977X</contrib-id><name-alternatives><name xml:lang="en"><surname>Musin</surname><given-names>Sh. I.</given-names></name><name xml:lang="ru"><surname>Мусин</surname><given-names>Ш. И.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Shamil Ismagilovich Musin</p><p>73 / 1 Oktyabrya Prospekt, Republic of Bashkortostan, Ufa 4500543 Lenin St., Republic of Bashkortostan, Ufa 450008</p></bio><bio xml:lang="ru"><p>Шамиль Исмагилович Мусин</p><p>Республика Башкортостан, 450054 Уфа, проспект Октября, 73 / 1Республика Башкортостан, 450008 Уфа, ул. Ленина, 3</p></bio><email>Musin_shamil@mail.ru</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/0000-0003-0996-5995</contrib-id><name-alternatives><name xml:lang="en"><surname>Sultanbayev</surname><given-names>A. V.</given-names></name><name xml:lang="ru"><surname>Султанбаев</surname><given-names>А. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>73 / 1 Oktyabrya Prospekt, Republic of Bashkortostan, Ufa 450054</p></bio><bio xml:lang="ru"><p>Республика Башкортостан, 450054 Уфа, проспект Октября, 73 / 1</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3734-2779</contrib-id><name-alternatives><name xml:lang="en"><surname>Menshikov</surname><given-names>K. V.</given-names></name><name xml:lang="ru"><surname>Меньшиков</surname><given-names>К. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>73 / 1 Oktyabrya Prospekt, Republic of Bashkortostan, Ufa 4500543 Lenin St., Republic of Bashkortostan, Ufa 450008</p></bio><bio xml:lang="ru"><p>Республика Башкортостан, 450054 Уфа, проспект Октября, 73 / 1Республика Башкортостан, 450008 Уфа, ул. Ленина, 3</p></bio><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/0000-0003-3450-2642</contrib-id><name-alternatives><name xml:lang="en"><surname>Mufazalov</surname><given-names>F. F.</given-names></name><name xml:lang="ru"><surname>Муфазалов</surname><given-names>Ф. Ф.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>73 / 1 Oktyabrya Prospekt, Republic of Bashkortostan, Ufa 4500543 Lenin St., Republic of Bashkortostan, Ufa 450008</p></bio><bio xml:lang="ru"><p>Республика Башкортостан, 450054 Уфа, проспект Октября, 73 / 1Республика Башкортостан, 450008 Уфа, ул. Ленина, 3</p></bio><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/0000-0001-8340-7962</contrib-id><name-alternatives><name xml:lang="en"><surname>Nasretdinov</surname><given-names>A. F.</given-names></name><name xml:lang="ru"><surname>Насретдинов</surname><given-names>А. Ф.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>73 / 1 Oktyabrya Prospekt, Republic of Bashkortostan, Ufa 450054</p></bio><bio xml:lang="ru"><p>Республика Башкортостан, 450054 Уфа, проспект Октября, 73 / 1</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6155-5358</contrib-id><name-alternatives><name xml:lang="en"><surname>Goncharova</surname><given-names>O. V.</given-names></name><name xml:lang="ru"><surname>Гончарова</surname><given-names>О. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>73 / 1 Oktyabrya Prospekt, Republic of Bashkortostan, Ufa 450054</p></bio><bio xml:lang="ru"><p>Республика Башкортостан, 450054 Уфа, проспект Октября, 73 / 1</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4639-962X</contrib-id><name-alternatives><name xml:lang="en"><surname>Osokin</surname><given-names>S. V.</given-names></name><name xml:lang="ru"><surname>Осокин</surname><given-names>С. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>73 / 1 Oktyabrya Prospekt, Republic of Bashkortostan, Ufa 450054</p></bio><bio xml:lang="ru"><p>Республика Башкортостан, 450054 Уфа, проспект Октября, 73 / 1</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0918-3993</contrib-id><name-alternatives><name xml:lang="en"><surname>Zamilov</surname><given-names>M. M.</given-names></name><name xml:lang="ru"><surname>Замилов</surname><given-names>М. М.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>73 / 1 Oktyabrya Prospekt, Republic of Bashkortostan, Ufa 450054</p></bio><bio xml:lang="ru"><p>Республика Башкортостан, 450054 Уфа, проспект Октября, 73 / 1</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-9630-1972</contrib-id><name-alternatives><name xml:lang="en"><surname>Timin</surname><given-names>K. E.</given-names></name><name xml:lang="ru"><surname>Тимин</surname><given-names>К. Е.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>3 Lenin St., Republic of Bashkortostan, Ufa 450008</p></bio><bio xml:lang="ru"><p>Республика Башкортостан, 450008 Уфа, ул. Ленина, 3</p></bio><xref ref-type="aff" rid="aff2"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Republican Clinical Oncological Dispensary, Ministry of Health of Republic of Bashkortostan</institution></aff><aff><institution xml:lang="ru">ГБУЗ «Республиканский клинический онкологический диспансер» Минздрава Республики Башкортостан</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Bashkir State Medical University, Ministry of Health of Russia</institution></aff><aff><institution xml:lang="ru">ФГБОУ ВО «Башкирский государственный медицинский университет» Минздрава России</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2021-12-14" publication-format="electronic"><day>14</day><month>12</month><year>2021</year></pub-date><volume>11</volume><issue>4</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>41</fpage><lpage>49</lpage><history><date date-type="received" iso-8601-date="2022-02-13"><day>13</day><month>02</month><year>2022</year></date><date date-type="accepted" iso-8601-date="2022-02-13"><day>13</day><month>02</month><year>2022</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2021, Musin S.I., Sultanbayev A.V., Menshikov K.V., Mufazalov F.F., Nasretdinov A.F., Goncharova O.V., Osokin S.V., Zamilov M.M., Timin K.E.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2021, Мусин Ш.И., Султанбаев А.В., Меньшиков К.В., Муфазалов Ф.Ф., Насретдинов А.Ф., Гончарова О.В., Осокин С.В., Замилов М.М., Тимин К.Е.</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="en">Musin S.I., Sultanbayev A.V., Menshikov K.V., Mufazalov F.F., Nasretdinov A.F., Goncharova O.V., Osokin S.V., Zamilov M.M., Timin K.E.</copyright-holder><copyright-holder xml:lang="ru">Мусин Ш.И., Султанбаев А.В., Меньшиков К.В., Муфазалов Ф.Ф., Насретдинов А.Ф., Гончарова О.В., Осокин С.В., Замилов М.М., Тимин К.Е.</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/714">https://ogsh.abvpress.ru/jour/article/view/714</self-uri><abstract xml:lang="en"><p><bold>Introduction</bold>. Unresectable oral cancer is an urgent and complex problem in modern oncology. Annually, the proportion of patients with stage III–IV is 35 %, and the one-year mortality rate for this pathology reaches 32 %. Patients with advanced oral tumors usually have a negative prognosis and treatment tactics are limited to radiation therapy (RT), chemoradiation therapy, or sequential therapy, including induction chemotherapy (CT). Polymodal therapy for oral cancer is of particular interest in the treatment of pathology in this area.</p><p><bold>The study objective</bold> – to analyze the results of sequential treatment, including induction CT followed by RT and induction CT followed by surgery and RT in patients with unresectable oral cancer (T3–4bN0–3M0).</p><p><bold>Materials and methods</bold>. This retrospective study included 30 patients (11 women and 19 men) with primary non-resectable squamous cell carcinoma of the oral cavity (T3–4bN0–3M0) who received 2–3 courses of induction chemotherapy (CT) with DCF (docetaxel, cisplatin, 5-fluorouracil). Mean patients’ age was 61.2 years. The first treatment stage included induction CT according to the following scheme: docetaxel (75 mg/m<sup>2</sup> /day on day 1) + cisplatin (75 mg/m<sup>2</sup> /day on day 1) + 5-fluorouracil (1000 mg/m<sup>2</sup> /day on days 1–4) repeated every 21 days. Study participants were divided into 2 groups according to their objective response to CT. Patients with resectable residual tumors have undergone surgery (after induction CT) followed by radical radiation therapy (RT) (induction CT + surgery + RT). Patients with non-resectable residual tumors/no objective response/no complete response after induction CT have undergone radical RT (induction CT + RT).</p><p><bold>Results</bold>. The objective response rate (ORR) to induction CT was 66.6 % (20 / 30). Five out of thirty patients (16.7 %) received no subsequent therapy: 3 individuals developed grade III–IV adverse events, while 2 individuals had progressive disease. One-third of patients (10 / 30; 33.3 %) had surgery followed by RT. Half of patients (15 / 30; 50 %) received RT after induction CT. The two-year relapse-free survival rates in the groups of induction CT + surgery + RT and induction CT + RT was 14 and 16 %, respectively (p = 0.49). The two-year overall survival rates in the same groups were 44 and 38 %, respectively (р = 0.74).</p><p><bold>Conclusion</bold>. Resectability was achieved in 33.3 % (10 / 30) of patients with initially unresectable oral cancer after induction CT. A sequential therapy regimen, including a surgical stage after induction CT, did not demonstrate a statistically significant increase in overall and disease-free survival rates. Sequential multimodal treatment of common oral cancers has some potential, but requires further study to assess its significance.</p></abstract><trans-abstract xml:lang="ru"><p><bold>Введение</bold>. Лечение нерезектабельного рака полости рта представляет собой актуальную и сложнейшую проблему современной онкологии. Ежегодно доля пациентов с заболеванием III–IV стадии составляет 35 %, а 1-летняя летальность при данной патологии достигает 32 %. Пациенты с распространенными опухолями полости рта, как правило, имеют негативный прогноз. Лечебная тактика при нерезектабельном раке полости рта ограничена лучевой (ЛТ), химиолучевой и последовательной терапией, включающей индукционную химиотерапию (ХТ). Полимодальная терапия при раке полости рта представляет особый интерес.</p><p><bold>Цель исследования</bold> – проанализировать результаты последовательного лечения пациентов c нерезектабельным раком полости рта (T3–4bN0–3M0), включающего индукционную ХТ с последующей ЛТ и индукционную ХТ с последующими оперативным лечением и ЛТ.</p><p><bold>Материалы и методы</bold>. В ретроспективный анализ включены 30 пациентов (11 женщин и 19 мужчин) с первоначально нерезектабельным плоскоклеточным раком полости рта (T3–4bN0–3M0), которые в 2019–2020 гг. в качестве этапа последовательной терапии получили 2–3 курса индукционной ХТ в режиме DCF. Средний возраст больных составил 61,2 года. Первый этап лечения включал индукционную ХТ в следующем режиме: доцетаксел (в дозе 75 мг/м<sup>2 </sup>– в сутки в 1-й день) + цисплатин (в дозе 75 мг / м<sup>2</sup> в сутки в 1-й день) + 5-фторурацил (в дозе 1000 мг / м<sup>2</sup> в сутки в 1–4-й дни), интервал 21 день. В зависимости от объективного ответа на лекарственное лечение пациенты были распределены на 2 группы. При резектабельности остаточной опухоли после индукционной ХТ проводили хирургическое лечение, а затем – ЛТ по радикальной программе (индукционная ХТ + хирургическое лечение + ЛТ). При нерезектабельности / отсутствии объективного ответа / полного ответа после индукционной ХТ назначали ЛТ по радикальной программе (индукционная ХТ + ЛТ).</p><p><bold>Результаты</bold>. Частота объективных ответов на индукционную ХТ составила 66,6 % (20 / 30). 16,7 % (5 / 30) пациентов не получили дальнейшую последовательную терапию: у 3 развились нежелательные явления III–IV степени, у 2 наблюдалось прогрессирование основного заболевания. В 33,3 % (10 / 30) случаев в качестве этапа последовательной терапии проведено хирургическое лечение с дальнейшей ЛТ. В 50 % (15 / 30) случаев после индукционной ХТ проведена ЛТ. Двухлетняя безрецидивная выживаемость в группах индукционной ХТ + хирургического лечения + ЛТ и индукционной ХТ + ЛТ составила 14 и 16 % соответственно (р = 0,49), а 2-летняя общая выживаемость – 44 и 38 % соответственно (р = 0,74).</p><p><bold>Заключение</bold>. У 33,3 % (10 / 30) пациентов с нерезектабельным раком полости рта после индукционной ХТ достигнута резектабельность опухоли. Последовательная схема терапии, включающая хирургический этап после индукционной ХТ, не продемонстрировала статистически значимого увеличения показателей общей и безрецидивной выживаемости. последовательное полимодальное лечение распространенных форм рака полости рта имеет определенный потенциал, но для оценки его значимости требуются дальнейшие исследования.</p></trans-abstract><kwd-group xml:lang="en"><kwd>unresectable oral cancer</kwd><kwd>induction chemotherapy</kwd><kwd>sequential therapy</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>нерезектабельный рак полости рта</kwd><kwd>индукционная химиотерапия</kwd><kwd>последовательная терапия</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><citation-alternatives><mixed-citation xml:lang="en">The state of oncological care to the population of Russia in 2019. Ed. by A.D. Kaprin, V.V. Starinsky, A.O. Shakhzadova. Moscow: P.A. 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