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<article article-type="research-article" dtd-version="1.3" 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" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">gnck</journal-id><journal-title-group><journal-title xml:lang="ru">Колопроктология</journal-title><trans-title-group xml:lang="en"><trans-title>Koloproktologia</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2073-7556</issn><issn pub-type="epub">2686-7303</issn><publisher><publisher-name>Russian Association of Coloproctology</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.33878/2073-7556-2024-23-2-61-67</article-id><article-id custom-type="elpub" pub-id-type="custom">gnck-1913</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>ОРИГИНАЛЬНЫЕ СТАТЬИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ORIGINAL ARTICLES</subject></subj-group></article-categories><title-group><article-title>Результаты применения протонной лучевой терапии в лечении рака прямой кишки</article-title><trans-title-group xml:lang="en"><trans-title>Proton radiotherapy for rectal cancer</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0668-1815</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Незвецкая</surname><given-names>И. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Nezvetskaya</surname><given-names>I. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Незвецкая Ирина Валерьевна</p><p>тел.: +79176074314</p><p>аспирант кафедры лучевой диагностики УлГУ, врач-онколог, AuthorID: 1138572 </p><p>ул. Курчатова, д. 5В, г. Димитровград, 433507, Россия</p><p>ул. Льва Толстого, д.42, г. Ульяновск, 432017, Россия</p></bio><bio xml:lang="en"><p>Irina V. Nezvetskaya</p><p>mobile phone: +79176074314 </p><p>Kurchatov st., 5v, Dimitrovgrad, 433507, Russia </p><p>Lev Tolstoy st., 42, Ulyanovsk, 432017, Russia </p></bio><email xlink:type="simple">kirina351277@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9739-8478</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Удалов</surname><given-names>Ю. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Udalov</surname><given-names>Yu. D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Удалов Юрий Дмитриевич — д.м.н., доцент, генеральный директор </p><p>ул. Курчатова, д. 5В, г. Димитровград, 433507, Россия</p><p>ул. Льва Толстого, д.42, г. Ульяновск, 432017, Россия</p></bio><bio xml:lang="en"><p>Kurchatov st., 5v, Dimitrovgrad, 433507, Russia </p><p>Lev Tolstoy st., 42, Ulyanovsk, 432017, Russia </p></bio><email xlink:type="simple">vmp@fvcmrmail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1711-6950</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Незвецкий</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Nezvetsky</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p> Незвецкий Алексей Владимирович — заведующий отделением, врач-радиотерапевт отделения радиотерапии №1 стационара </p><p>ул. Курчатова, д. 5В, г. Димитровград, 433507, Россия</p></bio><bio xml:lang="en"><p>Kurchatov st., 5v, Dimitrovgrad, 433507, Russia </p></bio><email xlink:type="simple">nezvetskijav@fvcmrfmba.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3331-8632</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Богомолова</surname><given-names>И. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Bogomolova</surname><given-names>I. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Богомолова Ирина Александровна — заведующий отделением противоопухолевой лекарственной терапии стационара, врач-онколог; аспирант УлГУ </p><p>ул. Курчатова, д. 5В, г. Димитровград, 433507, Россия</p></bio><bio xml:lang="en"><p>Kurchatov st., 5v, Dimitrovgrad, 433507, Russia </p></bio><email xlink:type="simple">bogomolovaia@fvcmrfmba.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0001-1428-5882</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Коваленко</surname><given-names>Л. О.</given-names></name><name name-style="western" xml:lang="en"><surname>Kovalenko</surname><given-names>L. O.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Коваленко Леонид Олегович — заведующий патологоанатомическим отделением, врач-патологоанатом </p><p>ул. Курчатова, д. 5В, г. Димитровград, 433507, Россия</p></bio><bio xml:lang="en"><p>Kurchatov st., 5v, Dimitrovgrad, 433507, Russia </p></bio><email xlink:type="simple">kovalenkolo@fvcmrfmba.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0008-6846-350X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Петров</surname><given-names>К. Э.</given-names></name><name name-style="western" xml:lang="en"><surname>Petrov</surname><given-names>K. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Петров Константин Эдуардович — заведующий онкологическим отделением хирургических методов лечения; врач-онколог </p><p>ул. Курчатова, д. 5В, г. Димитровград, 433507, Россия</p></bio><bio xml:lang="en"><p>Kurchatov st., 5v, Dimitrovgrad, 433507, Russia </p></bio><email xlink:type="simple">petrovke@fvcmrfmba.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБУ Федеральный научно-клинический центр радиологии и онкологии ФМБА России; &#13;
ФГБОУ ВО «Ульяновский государственный университет»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Federal Scientific Clinical Center for Medical Radiology and Oncology of the Federal Medical Biological Agency;&#13;
Ulyanovsk State University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ФГБУ Федеральный научно-клинический центр радиологии и онкологии ФМБА России</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Federal Scientific Clinical Center for Medical Radiology and Oncology of the Federal Medical Biological Agency</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>21</day><month>06</month><year>2024</year></pub-date><volume>23</volume><issue>2</issue><fpage>61</fpage><lpage>67</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Незвецкая И.В., Удалов Ю.Д., Незвецкий А.В., Богомолова И.А., Коваленко Л.О., Петров К.Э., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Незвецкая И.В., Удалов Ю.Д., Незвецкий А.В., Богомолова И.А., Коваленко Л.О., Петров К.Э.</copyright-holder><copyright-holder xml:lang="en">Nezvetskaya I.V., Udalov Y.D., Nezvetsky A.V., Bogomolova I.A., Kovalenko L.O., Petrov K.E.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://www.ruproctology.com/jour/article/view/1913">https://www.ruproctology.com/jour/article/view/1913</self-uri><abstract><p>ЦЕЛЬ: анализ первых результатов эффективности протонной лучевой терапии в рамках комбинированного подхода к лечению злокачественного новообразования прямой кишки и оценка острой лучевой токсичности, напрямую влияющую на качество жизни пациентов.ПАЦИЕНТЫ И МЕТОДЫ: в период с 2020 по 2023 гг. проведено исследование, включившее 74 пациента со злокачественным новообразованием прямой кишки. Средний возраст пациентов составил 65 ± 9,9 лет. В оцениваемой группе мужской пол составил 44 (60%) человек, женский пол — 30 (40%) от общего числа пациентов. Распределение по стадиям составило: I стадия — 8 (10,8%) пациентов, II стадия — 14 (18,9%), III стадия — 52 (70,3%). На первом этапе все пациенты исследуемой группы завершили протонную лучевую терапию в режиме классического фракционирования.РЕЗУЛЬТАТЫ: из нежелательных явлений у 49 (66%) пациентов отмечались лучевые реакции 1–2 степени в виде проктита и цистита. Локальных лучевых реакций 3 и более степени отмечено не было. Системные осложнения 3 степени были отмечены у 2 (2%) пациентов в виде гематологической токсичности — анемии (1%), афебрильной нейтропении (2%). Из 62 прооперированных пациентов у 12 (19,3%) человек отмечается полный лечебный патоморфоз. При медиане наблюдения 23 месяца (13;35) у 1 (1,35%) пациента выявлен продолженный рост опухоли через 28 месяцев после окончания лучевой терапии, у 2 (2,7%) пациентов выявлен местный рецидив. Отдаленные метастазы в легкие, печень или кости выявлены у 9 (12,2%) пациентов, медиана — 12 месяцев (6;23). Смертность за весь период наблюдения составила 9 (12,2%) человек. У 62 (83,8%) пациентов за период наблюдения не выявлено признаков рецидива или прогрессирования заболевания, из них 9 (14.5%) пациентов не получали какое-либо лечение после химиолучевой терапии и находятся в процессе активного динамического наблюдения.ЗАКЛЮЧЕНИЕ: результаты применения протонной лучевой терапии в лечении рака прямой кишки по двухгодичной общей выживаемости (90,5%) и выживаемости без прогрессирования (88,9%) сопоставимы с литературным данным последних исследований по применению фотонной лучевой терапии в лечении рака прямой кишки, но превосходят по результатам полного патоморфологического ответа (19,3%).</p></abstract><trans-abstract xml:lang="en"><p>AIM: to assess the effectiveness of proton radiotherapy as part of a combined approach to the treatment of rectal malignancies and to assess acute radiation toxicity, which directly affects patients’ quality of life.PATIENTS AND METHODS: between 2020 and 2023, a study included 74 patients with rectal cancer. The mean age of the patients was 65 ± 9.9 years, 44 (60%) males. Stage I occurred in 8 (10.8%) patients, stage II — in 14 (18.9%) patients, stage III — in 52 (70.3%) patients. At the first stage, all patients completed proton radiation therapy in the classical fractionation mode.RESULTS: of the adverse events, 49 (66%) patients had grade 1–2 radiation reactions in the form of proctitis and cystitis. There were no local radiation reactions of grade 3 or higher. Systemic complications of grade 3 were noted in 2 (2%) patients in the form of hematological toxicity — anemia (1%), afebrile neutropenia (2%). Of the 62 operated patients, 12 (19.3%) people showed complete therapeutic pathomorphosis. With a median follow-up of 23 months (13;35), 1 (1.35%) patient showed continued tumor growth 28 months after completed radiotherapy, 2 (2.7%) patients had local recurrence 3 and 18 months after treatment. Distant metastases to the lungs, liver, or bones were detected in 9 (12.2%) patients, median — 12 months (6;23). Mortality during the entire observation period was 9 (12.2%) patients. Sixty-two (83.8%) patients showed no signs of relapse or progression of the disease, of which 9 (14.5%) patients did not receive any treatment after chemoradiotherapy and are in the process of active follow-up.CONCLUSION: proton radiation therapy in patients with rectal cancer in two-year overall survival (90.5%) and progression-free survival (88.9%) are comparable with the literature data of recent studies, but are superior in overall survival pathological response (19.3%).</p></trans-abstract><kwd-group xml:lang="ru"><kwd>рак прямой кишки</kwd><kwd>протонная лучевая терапия</kwd><kwd>общая выживаемость</kwd></kwd-group><kwd-group xml:lang="en"><kwd>rectal cancer</kwd><kwd>proton radiation therapy</kwd><kwd>overall survival</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Jin J, Tang Y, Hu C, et al. 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