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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">526</article-id><article-id pub-id-type="doi">10.17650/2222-1468-2020-10-2-46-53</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>ORIGINAL REPORT</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>ОРИГИНАЛЬНОЕ ИССЛЕДОВАНИЕ</subject></subj-group><subj-group subj-group-type="article-type"><subject></subject></subj-group></article-categories><title-group><article-title xml:lang="en">Analysis of treatment outcomes in patients with progressive locally advanced non-resectable and disseminated medullary thyroid cancer receiving vandetanib outside of clinical trials (Russian experience)</article-title><trans-title-group xml:lang="ru"><trans-title>Анализ результатов лечения вандетанибом прогрессирующего местно-распространенного неоперабельного и диссеминированного медуллярного рака щитовидной железы вне клинического исследования (российский опыт)</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5421-5985</contrib-id><name-alternatives><name xml:lang="en"><surname>Romanov</surname><given-names>I. S.</given-names></name><name xml:lang="ru"><surname>Романов</surname><given-names>И. С.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>24 Kashirskoe Shosse, Moscow 115478</p></bio><bio xml:lang="ru"><p>115478 Москва, Каширское шоссе, 24</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1255-5700</contrib-id><name-alternatives><name xml:lang="en"><surname>Mudunov</surname><given-names>А. М.</given-names></name><name xml:lang="ru"><surname>Мудунов</surname><given-names>А. М.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>24 Kashirskoe Shosse, Moscow 115478</p></bio><bio xml:lang="ru"><p>115478 Москва, Каширское шоссе, 24</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1341-0765</contrib-id><name-alternatives><name xml:lang="en"><surname>Podvyaznikov</surname><given-names>S. О.</given-names></name><name xml:lang="ru"><surname>Подвязников</surname><given-names>С. О.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Bld. 1, 2/1 Barrikadnaya St., Moscow 125993</p></bio><bio xml:lang="ru"><p>125993 Москва, ул. Баррикадная, 2/1, стр. 1</p></bio><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6796-0968</contrib-id><name-alternatives><name xml:lang="en"><surname>Ignatova</surname><given-names>А. V.</given-names></name><name xml:lang="ru"><surname>Игнатова</surname><given-names>А. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Bld. 1, 2/1 Barrikadnaya St., Moscow 125993</p><p>6 Miklukho-Maklaya St., Moscow 117198</p></bio><bio xml:lang="ru"><p>125993 Москва, ул. Баррикадная, 2/1, стр. 1</p><p>117198 Москва, ул. Миклухо-Маклая, 6</p></bio><xref ref-type="aff" rid="aff2"/><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6851-9867</contrib-id><name-alternatives><name xml:lang="en"><surname>Alymov</surname><given-names>Yu. V.</given-names></name><name xml:lang="ru"><surname>Алымов</surname><given-names>Ю. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>24 Kashirskoe Shosse, Moscow 115478</p></bio><bio xml:lang="ru"><p>Юрий Владимирович Алымов </p><p>115478 Москва, Каширское шоссе, 24</p></bio><email>allmedperevod@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">N.N. Blokhin National Medical Research Center of Oncology, Ministry of Health of Russia</institution></aff><aff><institution xml:lang="ru">ФГБУ «Национальный медицинский исследовательский центр онкологии им. Н.Н. Блохина» Минздрава России</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Russian Medical Academy of Continuing Professional Education, Ministry of Health of Russia</institution></aff><aff><institution xml:lang="ru">ФГБОУ ДПО «Российская медицинская академия непрерывного профессионального образования» Минздрава России</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">RUDN University</institution></aff><aff><institution xml:lang="ru">ФГАОУ ВО «Российский университет дружбы народов»</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2020-07-24" publication-format="electronic"><day>24</day><month>07</month><year>2020</year></pub-date><volume>10</volume><issue>2</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>46</fpage><lpage>53</lpage><history><date date-type="received" iso-8601-date="2020-07-24"><day>24</day><month>07</month><year>2020</year></date><date date-type="accepted" iso-8601-date="2020-07-24"><day>24</day><month>07</month><year>2020</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2020, Romanov I.S., Mudunov А.М., Podvyaznikov S.О., Ignatova А.V., Alymov Y.V.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2020, Романов И.С., Мудунов А.М., Подвязников С.О., Игнатова А.В., Алымов Ю.В.</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="en">Romanov I.S., Mudunov А.М., Podvyaznikov S.О., Ignatova А.V., Alymov Y.V.</copyright-holder><copyright-holder xml:lang="ru">Романов И.С., Мудунов А.М., Подвязников С.О., Игнатова А.В., Алымов Ю.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/526">https://ogsh.abvpress.ru/jour/article/view/526</self-uri><abstract xml:lang="en"><p><bold>The study objective</bold> is to perform retrospective analysis of the efficacy and safety of vandetanib for metastatic and non-resectable medullary thyroid cancer in routine clinical practice. <bold>Materials and methods.</bold> We analyzed treatment outcomes in 46 patients treated with vandetanib. We also evaluated progression-free survival, overall survival, time to progression, and frequency of adverse events. <bold>Results.</bold> At a median follow-up time of 27.4 months (range: 2.5–106.5 months) and median duration of vandetanib therapy of 21 months, disease progression was registered in 32.6 % of cases, whereas stable disease was observed in 28.3 % of cases and 8.7 % of study participants demonstrated partial response. One patient had complete response to treatment. Almost one-third of patients (28.2 %) died, including 2 individuals whose death was not associated with cancer. The one-year and three-year progression-free survival rates were 67.3 % and 33.3 %, respectively; the two-year and five-year overall survival rates were 82.4 % and 29.4 %, respectively. The efficacy of therapy was confirmed by a 79.4 % decrease in the serum level of calcitonin after treatment initiation. Side effects were observed in 33.9 % of patients (primarily skin and gastrointestinal toxic reactions) and were easily managed in most of the cases. Eight individuals (17.4 %) required cessation of vandetanib due to adverse events. <bold>Conclusion.</bold> Our findings suggest high efficacy and acceptable safety profile of vandetanib in the treatment of progressive locally advanced non-resectable and disseminated medullary thyroid cancer</p></abstract><trans-abstract xml:lang="ru"><p><bold>Цель исследования</bold> – ретроспективный анализ эффективности и безопасности применения вандетаниба в клинической практике с целью лечения метастатических и неоперабельных форм медуллярного рака щитовидной железы. <bold>Материалы и методы.</bold> Проанализированы результаты лечения вандетанибом 46 пациентов. Оценивали выживаемость без прогрессирования, общую выживаемость, срок до прогрессирования и частоту нежелательных явлений. <bold>Результаты.</bold> При медиане длительности наблюдения в 27,4 мес (диапазон 2,5–106,5 мес) и медиане длительности приема вандетаниба в 21 мес прогрессирование было зафиксировано в 32,6 % случаев, стабилизация – в 28,3 %, частичный ответ – в 8,7 %. У 1 пациента получен полный ответ на лечение. Смертельный исход произошел в 28,2 % случаев, в том числе в 2 случаях по не связанным с опухолью причинам. Однолетняя и трехлетняя выживаемость без прогрессирования составила соответственно 67,3 и 33,3 %, а двухлетняя и пятилетняя общая выживаемость – соответственно 82,4 и 29,4 %. Эффективность лечения подтверждена снижением уровня кальцитонина в крови после начала терапии на 79,4 %. Побочные эффекты зарегистрированы у 33,9 % пациентов (чаще кожные и гастроинтестинальные токсические реакции) и в большинстве случаев легко поддавались коррекции. В 8 (17,4 %) случаях в связи с возникновением нежелательных явлений терапия вандетанибом была прекращена. <bold>Заключение.</bold> Полученные результаты свидетельствуют о высокой эффективности и приемлемой безопасности вандетаниба в лечении прогрессирующего местно-распространенного неоперабельного и диссеминированного медуллярного рака щитовидной железы.</p></trans-abstract><kwd-group xml:lang="en"><kwd>medullary thyroid cancer</kwd><kwd>vandetanib</kwd><kwd>tyrosine kinase inhibitors</kwd><kwd>survival</kwd><kwd>adverse events</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>медуллярный рак щитовидной железы</kwd><kwd>вандетаниб</kwd><kwd>ингибиторы тирозинкиназ</kwd><kwd>выживаемость</kwd><kwd>нежелательные явления</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. Злокачественные новообразования в России в 2018 году (заболеваемость и смертность). Под ред. А.Д. 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