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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">Journal of Modern Oncology</journal-id><journal-title-group><journal-title xml:lang="en">Journal of Modern Oncology</journal-title><trans-title-group xml:lang="ru"><trans-title>Современная онкология</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1815-1434</issn><issn publication-format="electronic">1815-1442</issn><publisher><publisher-name xml:lang="en">LLC Obyedinennaya Redaktsiya</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">110982</article-id><article-id pub-id-type="doi">10.26442/18151434.2022.3.201895</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>CLINICAL ONCOLOGY</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>КЛИНИЧЕСКАЯ ОНКОЛОГИЯ</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">Antitumor response and quality of life: is there a need to sacrifice? Clinical observation: long-term and safe control of the disease using a combination of ribociclib with letrozole. Case report</article-title><trans-title-group xml:lang="ru"><trans-title>Противоопухолевый эффект и качество жизни: есть ли необходимость жертвовать? Клиническое наблюдение: длительный и безопасный контроль над болезнью при помощи комбинации рибоциклиба с летрозолом</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0616-5477</contrib-id><name-alternatives><name xml:lang="en"><surname>Grechukhina</surname><given-names>Katerina S.</given-names></name><name xml:lang="ru"><surname>Гречухина</surname><given-names>Катерина Сергеевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Department Head</p></bio><bio xml:lang="ru"><p>зав. химиотерапевтическим отд-нием Центра амбулаторной онкологической помощи, председатель онкологического консилиума</p></bio><email>dr.grechukhina@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-2739-8875</contrib-id><name-alternatives><name xml:lang="en"><surname>Vorontsova</surname><given-names>Karina A.</given-names></name><name xml:lang="ru"><surname>Воронцова</surname><given-names>Карина Андреевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Cand. Sci. (Med.)</p></bio><bio xml:lang="ru"><p>канд. мед. наук, зав. отд. организации клинических исследований</p></bio><email>dr.grechukhina@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7224-3111</contrib-id><name-alternatives><name xml:lang="en"><surname>Filonenko</surname><given-names>Daria A.</given-names></name><name xml:lang="ru"><surname>Филоненко</surname><given-names>Дарья Александровна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Cand. Sci. (Med.)</p></bio><bio xml:lang="ru"><p>канд. мед. наук, зав. дневным стационаром по онкологическому профилю</p></bio><email>dr.grechukhina@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6410-7355</contrib-id><name-alternatives><name xml:lang="en"><surname>Tyutyunnik</surname><given-names>Pavel S.</given-names></name><name xml:lang="ru"><surname>Тютюнник</surname><given-names>Павел Станиславович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Cand. Sci. (Med.)</p></bio><bio xml:lang="ru"><p>канд. мед. наук, ст. науч. сотр. отд-ния высокотехнологичной хирургии и хирургической эндоскопии</p></bio><email>dr.grechukhina@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3451-0896</contrib-id><name-alternatives><name xml:lang="en"><surname>Shchadrova</surname><given-names>Victoria V.</given-names></name><name xml:lang="ru"><surname>Щадрова</surname><given-names>Виктория Васильевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>radiologist</p></bio><bio xml:lang="ru"><p>врач-рентгенолог рентгеновского отд-ния</p></bio><email>dr.grechukhina@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4848-6938</contrib-id><name-alternatives><name xml:lang="en"><surname>Zhukova</surname><given-names>Liudmila G.</given-names></name><name xml:lang="ru"><surname>Жукова</surname><given-names>Людмила Григорьевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>D. Sci. (Med.), Corr. Memb. RAS</p></bio><bio xml:lang="ru"><p>чл.-кор. РАН, д-р мед. наук, зам. дир. по онкологии</p></bio><email>dr.grechukhina@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Loginov Moscow Clinical Scientific Center</institution></aff><aff><institution xml:lang="ru">ГБУЗ «Московский клинический научно-практический центр им. А.С. Логинова» Департамента здравоохранения г. Москвы</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2022-11-25" publication-format="electronic"><day>25</day><month>11</month><year>2022</year></pub-date><volume>24</volume><issue>3</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>373</fpage><lpage>379</lpage><history><date date-type="received" iso-8601-date="2022-09-20"><day>20</day><month>09</month><year>2022</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2022, Consilium Medicum</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2022, ООО "Консилиум Медикум"</copyright-statement><copyright-year>2022</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://modernonco.orscience.ru/1815-1434/article/view/110982">https://modernonco.orscience.ru/1815-1434/article/view/110982</self-uri><abstract xml:lang="en"><p>Metastatic luminal B HER2-negative breast cancer (HR+/HER2- mBC) occupies a leading place in the global structure of morbidity and mortality among women. The current gold standard of first-line treatment is the combination of CDK4/6 inhibitors with aromatase inhibitors, among which ribociclib with letrozole is distinguished. According to the MONALEESA-2 study, the addition of ribociclib to letrozole significantly increased the median overall survival to 63.9 months, reducing the risk of death by 24%. The safety profile of the combination is manageable, and the development of adverse events led to the interruption of therapy only in 7.5% of cases. A study of the actual clinical practice of CompLEEment-1 also confirmed the safety and effectiveness of the combination. Maintaining and improving the quality of life is one of the main tasks in the treatment of patients with HR+/HER2- mBC. According to the MONALEESA-2 study, the addition of ribociclib significantly affects the maintenance of quality of life and leads to a decrease in the intensity of pain syndrome. The published data allowed us to assign a combination of ribociclib and letrozole 4 points on the ESMO-MCBS scale. The safety of long-term use of the combination in the first line of treatment illustrated by clinical observation. The patient's progression-free survival during therapy was 40 months, which significantly exceeds the data of the MONALEESA-2 and CompLEEment-1 studies. The maximum effect (partial response according to RECIST 1.1 -40%) achieved after 24 weeks and persisted for 24 months. Clinically, the patient noted a decrease in the severity of the pain syndrome after 8 weeks of therapy. Against the background of therapy, it was possible to maintain the quality of life without sacrificing antitumor efficacy.</p></abstract><trans-abstract xml:lang="ru"><p>Метастатический люминальный В HER2-негативный рак молочной железы (HR+/HER2- мРМЖ) является одним из наиболее распространенных подтипов РМЖ, занимая одно из ведущих мест в мировой структуре заболеваемости и смертности среди женщин. Текущим «золотым стандартом» лечения 1-й линии определена комбинация ингибиторов CDK4/6 с ингибиторами ароматазы, среди которых выделяют рибоциклиб с летрозолом – единственную на сегодняшний день комбинацию, подтвердившую увеличение общей выживаемости при использовании в 1-й линии. По данным исследования MONALEESA-2, добавление рибоциклиба к летрозолу достоверно увеличило медиану общей выживаемости до 63,9 мес, снижая относительный риск смерти на 24%. Комбинация имеет благоприятный профиль безопасности, токсичность предсказуема и управляема. Развитие нежелательных явлений привело к прерыванию терапии только в 7,5% случаев. Безопасность и эффективность комбинации подтверждена и в исследовании реальной клинической практики CompLEEment-1. Сохранение и улучшение качества жизни является одной из главенствующих задач в лечении пациенток с HR+/HER2- мРМЖ. По данным исследования MONALEESA-2, добавление рибоциклиба значимо влияет на длительность сохранения качества жизни и приводит к уменьшению интенсивности болевого синдрома. Опубликованные данные позволили присвоить комбинации рибоциклиба и летрозола 4 балла по шкале ESMO-MCBS. Безопасность длительного применения комбинации в 1-й линии лечения иллюстрирована множеством собственных клинических наблюдений, одно из которых приведено в данной публикации. Выживаемость без прогрессирования на фоне терапии у пациентки составила 40 мес, что значительно превышает данные исследований MONALEESA-2 и CompLEEment-1. Максимальный эффект – частичный ответ по RECIST 1.1 (-40%), достигнут через 24 нед и сохранялся на протяжении 24 мес. Клинически пациентка отметила уменьшение выраженности болевого синдрома уже через 8 нед терапии. На фоне терапии удалось поддержать качество жизни, не жертвуя при этом противоопухолевой эффективностью.</p></trans-abstract><kwd-group xml:lang="en"><kwd>breast cancer</kwd><kwd>luminal subtype</kwd><kwd>quality of life</kwd><kwd>ribociclib</kwd><kwd>letrozole</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>рак молочной железы</kwd><kwd>люминальный подтип</kwd><kwd>качество жизни</kwd><kwd>рибоциклиб</kwd><kwd>летрозол</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Bray F, Ferlay J, Soerjomataram I, et al. Global cancer statistics 2018: GLOBOCAN estimates of incidence and mortality worldwide for 36 cancers in 185 countries. CA: Cancer J Clin. 2018;68:394-424. 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