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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">Terapevticheskii arkhiv</journal-id><journal-title-group><journal-title xml:lang="en">Terapevticheskii arkhiv</journal-title><trans-title-group xml:lang="ru"><trans-title>Терапевтический архив</trans-title></trans-title-group></journal-title-group><issn publication-format="print">0040-3660</issn><issn publication-format="electronic">2309-5342</issn><publisher><publisher-name xml:lang="en">LLC Obyedinennaya Redaktsiya</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">31323</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Editorial article</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Передовая статья</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">Successful use of vemurafenib in a patient with resistant hairy cell leukemia</article-title><trans-title-group xml:lang="ru"><trans-title>Успешное применение вемурафениба у больного с резистентной формой волосатоклеточного лейкоза</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Urnova</surname><given-names>E S</given-names></name><name xml:lang="ru"><surname>Урнова</surname><given-names>Е С</given-names></name></name-alternatives><email>Eurnova@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Al'-Radi</surname><given-names>L S</given-names></name><name xml:lang="ru"><surname>Аль-Ради</surname><given-names>Л С</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kuz'mina</surname><given-names>L A</given-names></name><name xml:lang="ru"><surname>Кузьмина</surname><given-names>Л А</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kariakina</surname><given-names>A A</given-names></name><name xml:lang="ru"><surname>Карякина</surname><given-names>А А</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kovrigina</surname><given-names>A M</given-names></name><name xml:lang="ru"><surname>Ковригина</surname><given-names>А М</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Dvirnyk</surname><given-names>V N</given-names></name><name xml:lang="ru"><surname>Двирнык</surname><given-names>В Н</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Iakutik</surname><given-names>I A</given-names></name><name xml:lang="ru"><surname>Якутик</surname><given-names>И А</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Sudarikov</surname><given-names>A B</given-names></name><name xml:lang="ru"><surname>Судариков</surname><given-names>А Б</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Parovichnikova</surname><given-names>E N</given-names></name><name xml:lang="ru"><surname>Паровичникова</surname><given-names>Е Н</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Savchenko</surname><given-names>V G</given-names></name><name xml:lang="ru"><surname>Савченко</surname><given-names>В Г</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en"></institution></aff><aff><institution xml:lang="ru">Гематологический научный центр Минздрава России, Москва</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2013-07-15" publication-format="electronic"><day>15</day><month>07</month><year>2013</year></pub-date><volume>85</volume><issue>7</issue><issue-title xml:lang="en">VOL 85, NO7 ()</issue-title><issue-title xml:lang="ru">ТОМ 85, №7 (2013)</issue-title><fpage>76</fpage><lpage>78</lpage><history><date date-type="received" iso-8601-date="2020-04-10"><day>10</day><month>04</month><year>2020</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2013, Consilium Medicum</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2013, ООО "Консилиум Медикум"</copyright-statement><copyright-year>2013</copyright-year><copyright-holder xml:lang="en">Consilium Medicum</copyright-holder><copyright-holder xml:lang="ru">ООО "Консилиум Медикум"</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-nc-sa/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://ter-arkhiv.ru/0040-3660/article/view/31323">https://ter-arkhiv.ru/0040-3660/article/view/31323</self-uri><abstract xml:lang="en"><p>The paper describes a case of a patient with refractory hairy cell leukemia. In spite of the absence of CD25 expression, the disease was classified as a classical form according to the WHO classification (2008), as also confirmed by the detection of BRAFV600E mutation. The disease was characterized by resistance to all lines of therapy (interferon-α, splenectomy, cladribin). Clinical and hematological remission was achieved within 2 months of administration of the BRAF kinase inhibitor vemurafenib.</p></abstract><trans-abstract xml:lang="ru"><p>Аннотация. Представлено наблюдение за пациентом с рефрактерным течением волосатоклеточного лейкоза. Несмотря на отсутствие экспрессии СD25, в соответствии с классификацией ВОЗ (2008) заболевание отнесено к классической форме, что также подтверждено выявлением мутации BRAFV600E. Течение заболевания характеризовалось резистентностью к терапии всех линий (интерферон-α, спленэктомия, кладрибин). В результате применения ингибитора BRAF-киназы вемурафениба в течение 2 мес достигнута клинико-гематологическая ремиссия заболевания.</p></trans-abstract><kwd-group xml:lang="en"><kwd>hairy cell leukemia</kwd><kwd>resistant form</kwd><kwd>vemurafenib</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>волосатоклеточный лейкоз</kwd><kwd>резистентная форма</kwd><kwd>вемурафениб</kwd></kwd-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Аль-Ради Л.С., Пивник А.В. Особенности течения и современная тактика терапии волосатоклеточного лейкоза. Клин онкогематол 2009; 2: 111-120.</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>Аль-Ради Л.С., Пивник А.В., Зингерман Б.В., Кравченко С.К. Лечение рецидивов волосатоклеточного лейкоза. Тер арх 2012; 7: 4-9.</mixed-citation></ref><ref id="B3"><label>3.</label><mixed-citation>Волкова М.А. Волосатоклеточный лейкоз. В кн: Клиническая онкогематология. Руководство для врачей, 2-е изд. 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