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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">Tumors of female reproductive system</journal-id><journal-title-group><journal-title xml:lang="en">Tumors of female reproductive system</journal-title><trans-title-group xml:lang="ru"><trans-title>Опухоли женской репродуктивной системы</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1994-4098</issn><issn publication-format="electronic">1999-8627</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">503</article-id><article-id pub-id-type="doi">10.17650/1994-4098-2016-12-3-17-22</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>MAMMOLOGY. ORIGINAL ARTICLE</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>МАММОЛОГИЯ. ОРИГИНАЛЬНАЯ СТАТЬЯ</subject></subj-group><subj-group subj-group-type="article-type"><subject></subject></subj-group></article-categories><title-group><article-title xml:lang="en">An accelerated hypofractionated radiotherapy regimen in patients after organ-sparing surgery for stages I–IIA breast cancer</article-title><trans-title-group xml:lang="ru"><trans-title>Гипофракционированный ускоренный режим лучевой терапии у больных после органосохраняющих операций по поводу I–IIА стадий рака молочной железы</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Gladilina</surname><given-names>I. A.</given-names></name><name xml:lang="ru"><surname>Гладилина</surname><given-names>И. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>23 Kashirskoe Shosse, Moscow, 115478</p></bio><bio xml:lang="ru"><p>115478, Москва, Каширское шоссе, 23</p></bio><email>0152@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Klepper</surname><given-names>L. Ya.</given-names></name><name xml:lang="ru"><surname>Клеппер</surname><given-names>Л. Я.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>47 Nakhimovskiy Prospect, Moscow, 117418</p></bio><bio xml:lang="ru"><p>117418, Москва, Нахимовский проспект, 47</p></bio><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Efimkina</surname><given-names>Yu. V.</given-names></name><name xml:lang="ru"><surname>Ефимкина</surname><given-names>Ю. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>23 Kashirskoe Shosse, Moscow, 115478</p></bio><bio xml:lang="ru"><p>115478, Москва, Каширское шоссе, 23</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Vysotskaya</surname><given-names>I. V.</given-names></name><name xml:lang="ru"><surname>Высоцкая</surname><given-names>И. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>2 Build. 4, Bol’shaya Pirogovskaya St., Moscow, 119991</p></bio><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Petrovskiy</surname><given-names>A. V.</given-names></name><name xml:lang="ru"><surname>Петровский</surname><given-names>А. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>23 Kashirskoe Shosse, Moscow, 115478</p></bio><bio xml:lang="ru"><p>115478, Москва, Каширское шоссе, 23</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kozlov</surname><given-names>O. V.</given-names></name><name xml:lang="ru"><surname>Козлов</surname><given-names>О. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>23 Kashirskoe Shosse, Moscow, 115478</p></bio><bio xml:lang="ru"><p>115478, Москва, Каширское шоссе, 23</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Chernykh</surname><given-names>M. V.</given-names></name><name xml:lang="ru"><surname>Черных</surname><given-names>М. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>23 Kashirskoe Shosse, Moscow, 115478</p></bio><bio xml:lang="ru"><p>115478, Москва, Каширское шоссе, 23</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Voronchikhina</surname><given-names>E. Yu.</given-names></name><name xml:lang="ru"><surname>Ворончихина</surname><given-names>Е. Ю.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>2 Build. 4, Bol’shaya Pirogovskaya St., Moscow, 119991</p></bio><bio xml:lang="ru"><p>119991, Москва, ул. Большая Пироговская, 2, стр. 4</p></bio><xref ref-type="aff" rid="aff4"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Makarov</surname><given-names>E. S.</given-names></name><name xml:lang="ru"><surname>Макаров</surname><given-names>Е. С.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>23 Kashirskoe Shosse, Moscow, 115478</p></bio><bio xml:lang="ru"><p>115478, Москва, Каширское шоссе, 23</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Ivanova</surname><given-names>A. V.</given-names></name><name xml:lang="ru"><surname>Иванова</surname><given-names>А. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>23 Kashirskoe Shosse, Moscow, 115478</p></bio><bio xml:lang="ru"><p>115478, Москва, Каширское шоссе, 23</p></bio><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">N.N. Blokhin Russian Cancer Research Center, Ministry of Health of Russia</institution></aff><aff><institution xml:lang="ru">ФГБУ «Российский онкологический научный центр им. Н.Н. Блохина» Минздрава России</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Central Economics and Mathematics Institute, Russian Academy of Sciences</institution></aff><aff><institution xml:lang="ru">ФГБУН «Центральный экономико-математический институт РАН»</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">I.M. Sechenov First Moscow State Medical University, Ministry of Health of Russia</institution></aff><aff><institution xml:lang="ru"></institution></aff></aff-alternatives><aff-alternatives id="aff4"><aff><institution xml:lang="en">I.M. Sechenov First Moscow State Medical University, Ministry of Health of Russia</institution></aff><aff><institution xml:lang="ru">ФГБОУ ВО «Первый Московский государственный медицинский университет им. И.М. Сеченова» Минздрава России</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2016-11-24" publication-format="electronic"><day>24</day><month>11</month><year>2016</year></pub-date><volume>12</volume><issue>3</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>17</fpage><lpage>22</lpage><history><date date-type="received" iso-8601-date="2016-11-23"><day>23</day><month>11</month><year>2016</year></date><date date-type="accepted" iso-8601-date="2016-11-23"><day>23</day><month>11</month><year>2016</year></date></history><permissions><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/></permissions><self-uri xlink:href="https://ojrs.abvpress.ru/ojrs/article/view/503">https://ojrs.abvpress.ru/ojrs/article/view/503</self-uri><abstract xml:lang="en"><p><bold>Objective:</bold> to assess the results of accelerated hypofractionated radiotherapy and to comparatively analyze it with the standard radiotherapy in patients with stages I–IIA breast cancer (BC) after organ-sparing surgery.</p><p><bold>Materials and methods.</bold> A total of 203 patients with stages I–IIA BC underwent radiotherapy after organ-sparing surgery. A control group of 91 patients received the standard radiotherapy (the single focal dose (SFD) was 2 Gy 5 times a week, 25 fractions; the total focal dose (TFD) was 50 Gy for 5 weeks). A study group of 112 patients had accelerated hypofractionated radiotherapy (SFD 3 Gy 5 times a week, 13 fractions; TFD 39 Gy for 2.3 weeks).</p><p><bold>Results.</bold> Local recurrences were not detected in any patient after the hypofractionated radiotherapy regimen and were diagnosed in 3.3 % of the patients after the standard regimen. There were no statistically significant differences between the groups in 5-year overall and relapsefree survival rates. Further observation revealed a statistically significant difference in 6-year overall survival rates in the study and control groups: 99.1 and 70.4 %, respectively (p ≤ 0.046). The 6-year relapse-free survival rates in patients who had received the accelerated hypo-fractionated radiotherapy regimen were also significantly higher than in those who had the standard radiotherapy regimen: 97.9 and 71.3 %, respectively (p ≤ 0.043). The rate of post-radiation normal tissue damages after the hypofractionated radiotherapy regimen was significantly lower (15.2 %) than that after the standard regimen (27.5 %). Good and excellent cosmetic results of treatment were achieved in most (95.1 %) patients and did not differ in their frequency after different radiotherapy regimens.</p><p><bold>Conclusion.</bold> The accelerated hypofractionated radiotherapy regimen showed a high efficiency and a favorable toxicity profile in patients with stages I–IIA BC.</p></abstract><trans-abstract xml:lang="ru"><p><bold>Цель исследования –</bold> оценить результаты гипофракционированной ускоренной лучевой терапии и провести сравнительный анализ со стандартной радиотерапией у больных раком молочной железы (РМЖ) I–IIА стадий после органосохраняющих операций.</p><p><bold>Материалы и методы.</bold> Больным РМЖ I–IIА стадий (n = 203) после органосохраняющих операций проводии лучевую терапию в стандартном (контрольная группа, n = 91, разовая очаговая доза (РОД) 2 Гр 5 раз в неделю, 25 фракций, суммарная очаговая доза (СОД) 50 Гр в течение 5 нед) и ускоренном (тестируемая группа, n = 112, РОД 3 Гр 5 раз в неделю, 13 фракций, СОД 39 Гр в течение 2,3 нед) режимах гипофракционирования.</p><p><bold>Результаты.</bold> Локальные рецидивы не выявлены ни у одной пациентки после гипофракционированного режима лучевой терапии, а после стандартного режима они диагностированы у 3,3 % больных. Показатели 5-летней общей и безрецидивной выживаемости не имели статистически значимых различий между группами. При дальнейшем наблюдении была отмечена статистически значимая разница в показателях 6-летней общей выживаемости у больных тестируемой и контрольной групп: 99,1 и 70,4 % соот- ветственно (р ≤ 0,046). Показатели 6-летней безрецидивной выживаемости у больных, получивших лучевую терапию в гипофракционированном ускоренном режиме, были также достоверно выше по сравнению со стандартным курсом радиотерапии: 97,9 и 71,3 % соответственно (р ≤ 0,043). Частота постлучевых повреждений нормальных тканей при применении гипофракционированного режима лучевой терапии была достоверно ниже (15,2 %) по сравнению со стандартным (27,5 %). Хорошие и отличные косметические результаты лечения получены у большинства (95,1 %) больных и не отличались по частоте при разных режимах радиотерапии.</p><p><bold>Выводы.</bold> Лучевая терапия в режиме ускоренного гипофракционирования показала высокую эффективность и благоприятный токсический профиль у больных РМЖ I–IIА стадий.</p></trans-abstract><kwd-group xml:lang="en"><kwd>breast cancer</kwd><kwd>radiotherapy</kwd><kwd>organ-sparing surgery</kwd><kwd>local recurrences</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>рак молочной железы</kwd><kwd>лучевая терапия</kwd><kwd>органосохраняющие операции</kwd><kwd>локальные рецидивы</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">1. Cosset J.M. The come-back of hypofractionation? Cancer Radiother 2005;9(6–7):366–73. DOI: 10.1016/j.canrad.2005.09.013. 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