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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">medsovet</journal-id><journal-title-group><journal-title xml:lang="ru">Медицинский Совет</journal-title><trans-title-group xml:lang="en"><trans-title>Meditsinskiy sovet = Medical Council</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2079-701X</issn><issn pub-type="epub">2658-5790</issn><publisher><publisher-name>REMEDIUM GROUP Ltd.</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21518/2079-701X-2018-10-158-160</article-id><article-id custom-type="elpub" pub-id-type="custom">medsovet-2550</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>КЛИНИЧЕСКОЕ НАБЛЮДЕНИЕ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>CLINICAL OBSERVATION</subject></subj-group></article-categories><title-group><article-title>Палбоциклиб в первой линии комбинированной гормонотерапии метастатического гормонозависимого HER2- негативного рака молочной железы. Клиническое наблюдение</article-title><trans-title-group xml:lang="en"><trans-title>Palbociclib in the first line combination hormone therapy of HER2- negative metastatic hormone-dependent breast cancer. Clinical follow-up</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Фролова</surname><given-names>М. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Frolova</surname><given-names>M. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кандидат медицинских наук</p><p>Москва</p></bio><bio xml:lang="en"/><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Глазкова</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Glazkova</surname><given-names>E. B.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москва</p></bio><bio xml:lang="en"/><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Стенина</surname><given-names>М. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Stenina</surname><given-names>M. B.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Доктор медицинских наук</p><p>Москва</p></bio><bio xml:lang="en"/><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБУ «Национальный медицинский исследовательский центр онкологии им. Н. Н. Блохина» Минздрава России</institution><country>Россия</country></aff><aff xml:lang="en"><institution>N.N.Blokhin Russian Cancer Research Centre, Federal State Budgetary Institution of the Ministry of Health of Russia</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2018</year></pub-date><pub-date pub-type="epub"><day>19</day><month>07</month><year>2018</year></pub-date><volume>0</volume><issue>10</issue><fpage>158</fpage><lpage>160</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Фролова М.А., Глазкова Е.В., Стенина М.Б., 2018</copyright-statement><copyright-year>2018</copyright-year><copyright-holder xml:lang="ru">Фролова М.А., Глазкова Е.В., Стенина М.Б.</copyright-holder><copyright-holder xml:lang="en">Frolova M.A., Glazkova E.B., Stenina M.B.</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.med-sovet.pro/jour/article/view/2550">https://www.med-sovet.pro/jour/article/view/2550</self-uri><abstract><p>Согласно современным представлениям основой лечения метастатического гормонозависимого HER2-негативного рака молочной железы является проведение последовательных линий гормонотерапии, в том числе у больных с висцеральными метастазами и множественным характером поражения. Это позволяет длительно контролировать болезнь, поддерживая при этом хорошее качество жизни. В последние годы в клиническую практику входят препараты нового поколения, позволяющие потенцировать действие препаратов гормонотерапии. К их числу относятся ингибиторы циклин-зависимых киназ 4/6. Первым представителем этого класса, одобренным в РФ для лечения диссеминированного гормонозависимого рака молочной железы, является палбоциклиб (Ибранса, Pfizer). В исследовании PALOMA-2 была продемонстрирована высокая эффективность комбинации палбоциклиба и летрозола в качестве гормонотерапии первой линии. Медиана времени до прогрессирования в группе комбинации летрозола и палбоциклиба составила 27,6 месяцев против 14,5 месяцев в группе монотерапии летрозолом (p&lt;0,0001). Представленный клинический случай демонстрирует возможность длительного успешного контроля заболевания с помощью комбинированной гормонотерапии палбоциклибом и летрозолом.</p></abstract><trans-abstract xml:lang="en"><p>According with the present-day ideas, sequential lines of hormone therapy including those in patients with visceral metastases and multiple lesions form the basis of the treatment of HER2-negative metastatic hormone-dependent breast cancer. These measures make it possible to exercise the long-term control of the disease and maintain a good quality of life. In recent years, the clinical practice comprises the next-generation drugs that potentiate the effect of hormone therapy. These include cyclindependent kinases 4/6 inhibitors. Palbociclib (Ibransa, Pfizer) is the first representative of this class approved in Russia for the treatment of disseminated hormone-dependent breast cancer. The PALOMA-2 study demonstrated the high efficacy of the palbociclib combined with letrozole as a first-line hormone therapy. In the palbociclib and letrozole combination arm, the median time to progression was 27,6 months compared to 14,5 months in the letrozole monotherapy arm (p &lt;0,001). The presented clinical case demonstrates the possibility of long-term successful control of the disease using palbociclib combined with letrozole hormone therapy.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>метастатический гормонозависимый HER2-негативный рак молочной железы</kwd><kwd>гормонотерапия</kwd><kwd>палбоциклиб</kwd><kwd>летрозол</kwd></kwd-group><kwd-group xml:lang="en"><kwd>HER2-negative metastatic hormone-dependent breast cancer</kwd><kwd>hormone therapy</kwd><kwd>palbociclib</kwd><kwd>letrozole</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">Cardoso F, Costa A, Norton L et al. ESOESMO 2nd international consensus guidelines for advanced breast cancer (ABC2). Ann Oncol, 2014, 25(10): 1871–88.</mixed-citation><mixed-citation xml:lang="en">Cardoso F, Costa A, Norton L et al. 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