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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">clinicaloncology</journal-id><journal-title-group><journal-title xml:lang="ru">Клинический случай в онкологии</journal-title><trans-title-group xml:lang="en"><trans-title>Clinical Case in Oncology</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">3034-1477</issn><issn pub-type="epub">3034-4018</issn><publisher><publisher-name>ОНКОПРАКТИК</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.62546/3034-1477-2025-3-1-27-34</article-id><article-id custom-type="elpub" pub-id-type="custom">clinicaloncology-100</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>КЛИНИЧЕСКИЕ СЛУЧАИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>CASE REPORTS</subject></subj-group></article-categories><title-group><article-title>Есть ли аргументы за использование CDK4/6-ингибиторов при висцеральном кризе при люминальном метастатическом раке молочной железы? Обзор существующих данных и клинический случай</article-title><trans-title-group xml:lang="en"><trans-title>Are there arguments for CDK4/6 inhibitors in visceral crisis in metastatic luminal breast cancer? Review of recent data and presentation of the clinical case</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4979-3246</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Чиж</surname><given-names>Г. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Chizh</surname><given-names>G. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Чиж Григорий Алексеевич</p><p>188651, Ленинградская область, м. р-н Всеволожский, с. п. Юкковское, тер. «Клиника «Белоостров», зд. 1. 1</p></bio><bio xml:lang="en"><p>Grigory A. Chizh</p><p>Vsevolozhsky district, rural settlement Yukkovskoye, territory «Clinic «Beloostrov», bldg. 1. 1, 188651</p></bio><email xlink:type="simple">ya.grisha234@yandex.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/0000-0002-8250-8144</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Рыков</surname><given-names>И. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Rykov</surname><given-names>I. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>188651, Ленинградская область, м. р-н Всеволожский, с. п. Юкковское, тер. «Клиника «Белоостров», зд. 1. 1</p></bio><bio xml:lang="en"><p>Ivan V. Rykov</p><p>Vsevolozhsky district, rural settlement Yukkovskoye, territory «Clinic «Beloostrov», bldg. 1. 1, 188651</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Орлова</surname><given-names>Д. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Orlova</surname><given-names>D. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>188651, Ленинградская область, м. р-н Всеволожский, с. п. Юкковское, тер. «Клиника «Белоостров», зд. 1. 1</p></bio><bio xml:lang="en"><p>Daria S. Orlova</p><p>Vsevolozhsky district, rural settlement Yukkovskoye, territory «Clinic «Beloostrov», bldg. 1. 1, 188651</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ООО «Многопрофильный медицинский центр» клиника Высоких технологий «Белоостров»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>LLC «Multidisciplinary medical centre» High technology clinic «Beloostrov»</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>13</day><month>07</month><year>2025</year></pub-date><volume>3</volume><issue>1</issue><fpage>27</fpage><lpage>34</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Чиж Г.А., Рыков И.В., Орлова Д.С., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Чиж Г.А., Рыков И.В., Орлова Д.С.</copyright-holder><copyright-holder xml:lang="en">Chizh G.A., Rykov I.V., Orlova D.S.</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.oncocase.ru/jour/article/view/100">https://www.oncocase.ru/jour/article/view/100</self-uri><abstract><p>Рак молочной железы (РМЖ) является наиболее распространенной злокачественной опухолью и ведущей причиной смертности от рака у женщин во всем мире [1, 2]. В лечении данного заболевания за последние десять лет были достигнуты значительные успехи [<xref ref-type="bibr" rid="cit3">3</xref>], во многом в силу внедрения новых вариантов лекарственной терапии, среди которых одним из наиболее значимых выступают CDK4/6-ингибиторы.</p><p>CDK4/6-ингибиторы в сочетании с гормонотерапией (ингибиторы ароматазы, фулвестрант) в серии исследований продемонстрировали убедительный выигрыш в беспрогрессивной выживаемости, частоте объективного ответа [4–12], а в отдельных случаях — преимущество и в общей выживаемости в сравнении с гормонотерапией в монорежиме [6, 8, 11, 12], что сделало комбинацию CDK4/6 и гормонотерапию незыблемым стандартом первых линий лечения метастатического рака молочной железы [6, 8, 11–13].</p><p>Однако долгое время возможность применения CDK4/6-ингибиторов в первой линии при висцеральном кризе, при агрессивном течении заболевания была дискутабельной и не рассматривалась в качестве допустимого варианта лечения, так как долгое время не было никаких проспективных данных, которые свидетельствовали бы в пользу применения именно CDK4/6-ингибиторов при обрисованной клинической ситуации и их преимущества перед химиотерапией, которая представлялась безальтернативной опцией лечения.</p><p>В представленном далее клиническом случае описан результат лечения рибоциклибом и анастрозолом пациентки с метастатическим люминальным раком молочной железы, осложненный висцеральным кризом.</p></abstract><trans-abstract xml:lang="en"><p>Breast cancer (BC) is the most common malignant tumour and the leading cause of cancer death in women worldwide [1, 2]. Significant progress has been made in the treatment of this disease over the last decade [<xref ref-type="bibr" rid="cit3">3</xref>], largely due to the introduction of new drug treatment options, of which CDK4/6 inhibitors are one of the most important.</p><p>CDK4/6 inhibitors in combination with hormonal therapy (aromatase inhibitors, fulvestrant) have shown in a number of trials a convincing increase in progression-free survival, objective response rate [4–12] and in some cases — an advantage in overall survival compared to hormonal therapy as monotherapy [6, 8, 11, 12], making the combination of CDK4/6 and hormonal therapy the unquestioned standard in first-line treatment of metastatic breast cancer [6, 8, 11–However, for a long time the possibility of using CDK4/6 inhibitors in the first-line setting of visceral crisis and aggressive disease was controversial and not considered an acceptable treatment option because of the lack of prospective data supporting the use of CDK4/6 inhibitors in the described clinical setting and their advantages over chemotherapy, which seemed to be an alternative treatment option.</p><p>The following case describes the outcome of treatment with ribociclib and anastrozole in a patient with metastatic luminal breast cancer complicated by visceral crisis.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>CDK4/6-ингибиторы</kwd><kwd>гормональная терапия</kwd><kwd>рак молочной железы</kwd></kwd-group><kwd-group xml:lang="en"><kwd>CDK4/6-inhibitors</kwd><kwd>hormonal therapy</kwd><kwd>breast cancer</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">Sung H., Ferlay J., Siegel R.L. et al. 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