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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">Russian Journal of Oncology</journal-id><journal-title-group><journal-title xml:lang="en">Russian Journal of Oncology</journal-title><trans-title-group xml:lang="ru"><trans-title>Российский онкологический журнал</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1028-9984</issn><issn publication-format="electronic">2412-9119</issn><publisher><publisher-name xml:lang="en">Eco-Vector</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">568572</article-id><article-id pub-id-type="doi">10.17816/onco568572</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Original Study Articles</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Оригинальные исследования</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">Clinical results of cervix cancer treatment using various technologies in radiation therapy</article-title><trans-title-group xml:lang="ru"><trans-title>Клинические результаты лечения рака шейки матки с учётом различных технологий в лучевой терапии</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-3347-5278</contrib-id><contrib-id contrib-id-type="scopus">6506974295</contrib-id><contrib-id contrib-id-type="spin">8311-0979</contrib-id><name-alternatives><name xml:lang="en"><surname>Kravets</surname><given-names>Olga A.</given-names></name><name xml:lang="ru"><surname>Кравец</surname><given-names>Ольга Александровна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Dr. Sci. (Med.), Assistant Professor</p></bio><bio xml:lang="ru"><p>доктор медицинских наук, доцент</p></bio><email>Kravetz_olga@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/0009-0009-6568-1402</contrib-id><contrib-id contrib-id-type="scopus">Anara24101977</contrib-id><contrib-id contrib-id-type="spin">6872-8278</contrib-id><name-alternatives><name xml:lang="en"><surname>Kurmanova</surname><given-names>Anara A.</given-names></name><name xml:lang="ru"><surname>Курманова</surname><given-names>Анара Амангельдыевна</given-names></name></name-alternatives><address><country country="KZ">Kazakhstan</country></address><bio xml:lang="en"><p>MD</p></bio><bio xml:lang="ru"><p>врач</p></bio><email>anara_kurmanova@mail.ru</email><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3713-9770</contrib-id><contrib-id contrib-id-type="spin">8493-8443</contrib-id><name-alternatives><name xml:lang="en"><surname>Bogatyrev</surname><given-names>Vladimir N.</given-names></name><name xml:lang="ru"><surname>Богатырев</surname><given-names>Владимир Николаевич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Dr. Sci. (Med.), Professor</p></bio><bio xml:lang="ru"><p>доктор медицинских наук, профессор</p></bio><email>bogatyrevvn@mail.ru</email><xref ref-type="aff" rid="aff4"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">JSC «Medicine»</institution></aff><aff><institution xml:lang="ru">Клиника АО «Медицина»</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">The Russian National Research Medical University named after N.I. Pirogov</institution></aff><aff><institution xml:lang="ru">Российский национальный исследовательский медицинский университет имени Н.И. Пирогова</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">Kazakh Institute of Oncology and Radiology</institution></aff><aff><institution xml:lang="ru">Казахский научно-исследовательский институт онкологии и радиологии</institution></aff></aff-alternatives><aff-alternatives id="aff4"><aff><institution xml:lang="en">N.N. Blokhin National Medical Research Center of Oncology</institution></aff><aff><institution xml:lang="ru">Национальный медицинский исследовательский центр онкологии имени Н.Н. Блохина</institution></aff></aff-alternatives><pub-date date-type="preprint" iso-8601-date="2023-12-25" publication-format="electronic"><day>25</day><month>12</month><year>2023</year></pub-date><pub-date date-type="pub" iso-8601-date="2022-12-09" publication-format="electronic"><day>09</day><month>12</month><year>2022</year></pub-date><volume>27</volume><issue>5</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>229</fpage><lpage>242</lpage><history><date date-type="received" iso-8601-date="2023-09-04"><day>04</day><month>09</month><year>2023</year></date><date date-type="accepted" iso-8601-date="2023-09-21"><day>21</day><month>09</month><year>2023</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2022, Eco-Vector</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2022, Эко-Вектор</copyright-statement><copyright-year>2022</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="2025-12-09"/></permissions><self-uri xlink:href="https://rjonco.com/1028-9984/article/view/568572">https://rjonco.com/1028-9984/article/view/568572</self-uri><abstract xml:lang="en"><p><bold>BACKGROUND</bold><bold>:</bold> The study reported clinical results of patients with cervical cancer, who were treated with different methodological approaches of radiation therapy (RT), switching from conventional to conformal irradiation, as well as different brachytherapy (BT) techniques.</p> <p><bold>AIM</bold><bold>:</bold><bold> </bold>To evaluate long-term results of treatment, locoregional and distant control.</p> <p><bold>METHODS</bold><bold>:</bold><bold> </bold>137 patients having stage IIB–IIIB cervical cancer in 2013–2016 were analyzed retrospectively. 70 patients (51%), divided in two groups of n=35, were treated with conventional RT and two-dimensional (2D) planning of intracavitary BT with <sup>60</sup>Сo alone or in combination with cisplatin (40 mg/m<sup>2</sup>). The total dose (TD) for point A was 75.08±0.57 Gy, for point B — 57.9±0.43 Gy. 67 patients (49%), divided in two groups of n=35 and n=32, were treated with conformal external-beam RT following three-dimensional (3D) planning of intracavitary BT with <sup>192</sup>Ir alone or in combination with cisplatin (40 mg/m<sup>2</sup>), respectively. Total D90 of high-risk clinical target volume was 95.0±0.67 Gy EQD2 (Equivalent Total Dose in 2 Gy fraction).</p> <p><bold>RESULTS</bold><bold>:</bold><bold> </bold>3- and 5-year overall survival rate with 3D-RT versus 2D-RT was 84.6±4.5% vs 63.1±6.0% and 84.6±4.5% vs 56.1±6.0%, respectively (p=0.030). It was revealed that modern technologies are also important in improving overall survival with image-guided RT: 3-year overall survival rate was higher in the group of image-guided RT combined with 3D-BT — 88.2±6.6% versus 59.0±8.4%, respectively (p=0.027). The use of chemoradiotherapy showed an advantage for 3-year event-free survival in groups with 2D RT — 67.9±8.4% versus 55.2±8.6% (p=0.042). Between the groups where 3D RT was used, no statistically significant differences were recorded. Locoregional control was higher in the 3D RT groups at 3 years of follow-up: 97.0±2.9% versus 82.9±5.3%, p=0.050. Chemoradiotherapy allows to reduce the number of local failures in the pelvis in the follow-up period up to 6 months, regardless of the RT technologies. The number of relapses and metastases in pelvis is lower when using 3D RT (3.0±2.1%) compared with 2D (15.7±4.4%), p=0.05. There was no statistically significant difference in the frequency of detection of metastases: with 2D RT — 5.7±2.8%, and with 3D RT — 9.0±3.5% (p &gt;0.05).</p> <p><bold>CONCLUSIONS</bold><bold>:</bold><bold> </bold>The study proves the improvement of local control when using conformal RT and 3D-BT, which is an important component in the RT program for cervical cancer.</p></abstract><trans-abstract xml:lang="ru"><p><bold>Обоснование.</bold> Проведено клиническое исследование результатов лечения больных раком шейки матки с учётом методологических подходов к лучевой терапии (ЛТ) при переходе от конвенциального облучения к конформному, а также методик брахитерапии (БТ).</p> <p><bold>Цель</bold><bold> </bold><bold>—</bold> оценить отдалённые результаты лечения, локорегионарный контроль, наличие метастазов, сроки их возникновения.</p> <p><bold>Методы.</bold> Был проведён ретроспективный анализ 137 больных раком шейки матки (стадии T2bN0-1M0–T3bN0-1M0, или IIB–IIIB) за 2013–2016 гг. 70 пациенткам (51%), разделённым на две группы по <italic>n</italic>=35, проводили дистанционную ЛТ и двухмерное (2D) планирование БТ с источником кобальт-60 в самостоятельном режиме и в комбинации с цисплатином (в дозе 40 мг/м<sup>2</sup>). Суммарная доза от ЛТ составила в точке А — 75,08±0,57 Гр, в точке В — 57,9±0,43 Гр. 67 пациенткам (49%), разделённым на две группы по <italic>n</italic>=35 и <italic>n</italic>=32, проводили конформную ЛТ и трёхмерное (3D) планирование БТ с источником иридий-192 в самостоятельном варианте и в комбинации с цисплатином (в дозе 40 мг/м<sup>2</sup>), соответственно. Суммарная D90 на клинический объём мишени составила 95,0±0,67 Гр EQD2 (Equivalent Total Dose in 2 Gy fraction).</p> <p><bold>Результаты:</bold><bold> </bold>3- и 5-летняя общая выживаемость при 3D ЛТ по сравнению с группой 2D ЛТ составила 84,6±4,5% против 63,1±6,0% и 84,6±4,5% против 56,1±6,0% соответственно (<italic>p</italic><italic>=</italic>0,030). Современные технологии имеют значение и при самостоятельной ЛТ: 3-летняя общая выживаемость после самостоятельной ЛТ была выше в группе с 3D-БТ, по сравнению с группой 2D-БТ: 88,2±6,6% против 59,0±8,4% соответственно (<italic>р</italic>=0,027). Применение химиолучевой терапии показало преимущество в 3-летней бессобытийной выживаемости в группах с 2D ЛТ — 67,9±8,4% против 55,2±8,6% (<italic>p</italic><italic>=</italic>0,042). Между двумя группами с 3D ЛТ статистически значимых различий не получено. Локорегионарный контроль в группах 3D ЛТ за 3-летний период наблюдения был значимо выше: 97,0±2,9% против 82,9±5,3%, <italic>p</italic><italic>=</italic>0,050. Химиолучевая терапия позволяет уменьшить количество местных неудач в малом тазу (в период наблюдения 6 месяцев) независимо от технологий ЛТ. Количество рецидивов и метастазов в малом тазу оказалось значимо ниже при 3D ЛТ: 3,0±2,1% по сравнению с 15,7±4,4% (<italic>p</italic><italic>=</italic>0,05). Частота выявления метастазов — без статистически значимых различий: при 2D ЛТ — 5,7±2,8%, при 3D ЛТ — 9,0±3,5% (<italic>р</italic> <italic>&gt;</italic>0,05).</p> <p><bold>Заключение.</bold><bold> </bold>Исследование доказывает улучшение локального контроля в случаях применения конформной ЛТ и 3D-БТ, которая является важным компонентом в программе ЛТ при лечении рака шейки матки.</p></trans-abstract><kwd-group xml:lang="en"><kwd>cervical cancer</kwd><kwd>radiotherapy</kwd><kwd>chemoradiotherapy</kwd><kwd>brachytherapy</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>рак шейки матки</kwd><kwd>лучевая терапия</kwd><kwd>химиолучевая терапия</kwd><kwd>брахитерапия</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">Kaprin AD, Starinskii VV, Shakhzadova AO, editors. Sostoyanie onkologicheskoi pomoshchi naseleniyu Rossii v 2021 godu. Moscow: MNIOI im. P.A. 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