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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">33578</article-id><article-id pub-id-type="doi">10.26442/00403660.2019.05.000230</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">The role of laboratory biomarkers in monitoring of rituximab biosimilar therapy (Acellbia, “BIOCAD”) in patients with rheumatoid arthritis</article-title><trans-title-group xml:lang="ru"><trans-title>Роль лабораторных биомаркеров в мониторинге эффективности терапии биоаналогом ритуксимаба (Ацеллбия, «БИОКАД») у больных ревматоидным артритом</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Avdeeva</surname><given-names>A S</given-names></name><name xml:lang="ru"><surname>Авдеева</surname><given-names>Анастасия Сергеевна</given-names></name></name-alternatives><bio xml:lang="ru"><p>с.н.с. лаб. ранних артритов ФГБНУ «НИИР им. В.А. Насоновой»</p></bio><email>9056249400@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Cherkasova</surname><given-names>M V</given-names></name><name xml:lang="ru"><surname>Черкасова</surname><given-names>Мария Владимировна</given-names></name></name-alternatives><bio xml:lang="ru"><p>н.с. лаб. иммунологии и молекулярной биологии ревматических заболеваний ФГБНУ «НИИР им. В.А. Насоновой»</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kusevich</surname><given-names>D A</given-names></name><name xml:lang="ru"><surname>Кусевич</surname><given-names>Дарья Александровна</given-names></name></name-alternatives><bio xml:lang="ru"><p>м.н.с. лаб. остеоартрита, аспирант каф. внутренних профессиональных болезней и ревматологии ФГАОУ ВО «Первый МГМУ им. И.М. Сеченова» Минздрава России</p></bio><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Rybakova</surname><given-names>V V</given-names></name><name xml:lang="ru"><surname>Рыбакова</surname><given-names>Валерия Владимировна</given-names></name></name-alternatives><bio xml:lang="ru"><p>аспирант каф. внутренних профессиональных болезней и ревматологии ФГАОУ ВО «Первый МГМУ им. И.М. Сеченова» Минздрава России</p></bio><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Artyuhov</surname><given-names>A S</given-names></name><name xml:lang="ru"><surname>Артюхов</surname><given-names>Александр Сергеевич</given-names></name></name-alternatives><bio xml:lang="ru"><p>м.н.с. отд. регенеративной медицины НИИ трансляционной медицины РНИМУ им. Н.И. Пирогова</p></bio><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Dashinimaev</surname><given-names>Eh B</given-names></name><name xml:lang="ru"><surname>Дашинимаева</surname><given-names>Эрдэма Баировича</given-names></name></name-alternatives><bio xml:lang="ru"><p>с.н.с. лаб. клеточной биологии ИБР РАН им. Н.К. Кольцова; н.с. отд. регенеративной медицины НИИ трансляционной медицины РНИМУ им. Н.И. Пирогова</p></bio></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Chichasova</surname><given-names>N V</given-names></name><name xml:lang="ru"><surname>Чичасова</surname><given-names>Наталья Владимировна</given-names></name></name-alternatives><bio xml:lang="ru"><p>старший преподаватель отд. ординатуры и аспирантуры ФГБНУ «НИИР им. В.А. Насоновой»; проф. каф. ревматологии ФГАОУ ВО «Первый МГМУ им. И.М. Сеченова» Минздрава России</p></bio><xref ref-type="aff" rid="aff7"/><xref ref-type="aff" rid="aff8"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Nasonov</surname><given-names>E L</given-names></name><name xml:lang="ru"><surname>Насонов</surname><given-names>Евгений Львович</given-names></name></name-alternatives><bio xml:lang="ru"><p>акад. РАН, д.м.н., проф., научный руководитель ФГБНУ «НИИР им. В.А. Насоновой»; зав. каф. ревматологии ФГАОУ ВО «Первый МГМУ им. И.М. Сеченова» Минздрава России</p></bio><xref ref-type="aff" rid="aff7"/><xref ref-type="aff" rid="aff8"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">V.A. Nasonova Scientific and Research Institute of Rheumatology</institution></aff><aff><institution xml:lang="ru">ФГБНУ «Научно-исследовательский институт ревматологии им. В.А. Насоновой»</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">I.M. Sechenov First Moscow State Medical University of Ministry of Health of the Russian Federation (Sechenov University)</institution></aff><aff><institution xml:lang="ru">ФГАОУ ВО «Первый Московский государственный медицинский университет им. И.М. Сеченова»» Минздрава России (Сеченовский Университет)</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">Department of Regenerative Medicine</institution></aff><aff><institution xml:lang="ru">Российский национальный исследовательский медицинский университет им. Н.И. Пирогова</institution></aff></aff-alternatives><aff-alternatives id="aff4"><aff><institution xml:lang="en">Institute of Developmental Biology, Russian Academy of Sciences, Laboratory of Cell Proliferation, Pirogov Russian National Research Medical University</institution></aff><aff><institution xml:lang="ru">Российский национальный исследовательский медицинский университет им. Н.И. Пирогова</institution></aff></aff-alternatives><aff-alternatives id="aff5"><aff><institution xml:lang="en">Department of Regenerative Medicine</institution></aff><aff><institution xml:lang="ru">ФГБНУ «Научно-исследовательский институт ревматологии им. В.А. Насоновой»</institution></aff></aff-alternatives><aff-alternatives id="aff6"><aff><institution xml:lang="en">Institute of Developmental Biology, Russian Academy of Sciences, Laboratory of Cell Proliferation, Pirogov Russian National Research Medical University</institution></aff><aff><institution xml:lang="ru">ФГАОУ ВО «Первый Московский государственный медицинский университет им. И.М. Сеченова»» Минздрава России (Сеченовский Университет)</institution></aff></aff-alternatives><aff id="aff7"><institution>V.A. Nasonova Scientific and Research Institute of Rheumatology</institution></aff><aff id="aff8"><institution>I.M. Sechenov First Moscow State Medical University of Ministry of Health of the Russian Federation (Sechenov University)</institution></aff><pub-date date-type="pub" iso-8601-date="2019-05-15" publication-format="electronic"><day>15</day><month>05</month><year>2019</year></pub-date><volume>91</volume><issue>5</issue><issue-title xml:lang="en">VOL 91, NO5 (2019)</issue-title><issue-title xml:lang="ru">ТОМ 91, №5 (2019)</issue-title><fpage>26</fpage><lpage>33</lpage><history><date date-type="received" iso-8601-date="2020-04-16"><day>16</day><month>04</month><year>2020</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2019, Consilium Medicum</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2019, ООО "Консилиум Медикум"</copyright-statement><copyright-year>2019</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/33578">https://ter-arkhiv.ru/0040-3660/article/view/33578</self-uri><abstract xml:lang="en"><p>Aim: to evaluate the role of laboratory biomarkers in monitoring effectiveness of rituximab (RTM) biosimilar therapy in a total dose of 1200 mg. Materials and methods. 20 patients (pts) with rheumatoid arthritis (RA) (18 woman, mean age 61.5(54-66.5) years, mean disease duration 39.5(20-84) months, mean DAS28 5.6(4.9-6.8)) received two intravenous RTM biosimilar infusions (600 mg №2) in combination with DMARDs and glucocorticoids. Laboratory biomarkers were assessed at baseline and weeks 12 and 24 after the first infusion of RTX. Results. RTM biosimilar induced decreases in DAS28, erythrocyte sedimentation rate (ESR), C-reactive protein (CRP) at week 12 and 24, p&lt;0.05. The decrease in the concentration of immunoglobulin (Ig) M rheumatoid factor (RF) was detected at week 12 and 24 and amounted to 79.7% and 87.1% of the initial level, respectively (p&lt;0.05). IgA RF level decreased by 72% and 85% from baseline, respectively, at the 12 and 24 week of RTM therapy in patients with a good effect of the drug (p&lt;0.05). The concentration of antibodies to cyclic citrullinated peptide in the sera did not reduced. Depletion of CD19+ B-cells was achieved at week 12 in all patients (absolute number 0), with an increase in the level of B-cells at week 24 (0.0030 (0.0003-0.0270) 109/l). The immunoglobulin level decreased at week 24, but remained normal. RTM biosimilar therapy was accompanied by a rapid and pronounced decrease in the concentration of cytokine profile by 12-24 weeks after the first infusion. Conclusion. RTX biosimilar therapy induced a rapid and significant improvement in ESR, CRP, IgM/IgA RF, anti-MCV, proinflammatory cytokines, chemokines and growth factors levels and CD19+ B-cells depletion in RA pts. IgM RF and/or antibodies to citrullinated proteins seropositivity, increased levels of interleukin-17 after 12 weeks of treatment can be considered as predictors of a good response to RTM biosimilar therapy.</p></abstract><trans-abstract xml:lang="ru"><p>Цель: оценить роль лабораторных биомаркеров в мониторинге эффективности терапии биоаналогом ритуксимаба (РТМ) в суммарной дозе 1200 мг. Материалы и методы. Обследовано 20 больных с достоверным диагнозом ревматоидного артрита (РА; 18 женщин, медиана возраста 61,5 [54-66,5] лет, длительность заболевания 39,5 [20-84] лет, индекс DAS28 5,6 [4,9-6,8]). Всем больным проведено по 2 инфузии РТМ (Ацеллбия®) в дозе 600 мг внутривенно с интервалом в 2 нед на фоне терапии метотрексатом (МТ), нестероидными противовоспалительными препаратами (НПВП) и глюкокортикоидами (ГК). Клинические и лабораторные показатели анализировали непосредственно перед началом терапии, а затем через 12 и 24 нед после первой инфузии препарата. Результаты. У ответчиков на терапию индекс DAS28, скорость оседания эритроцитов и уровень С-реактивного белка достоверно снижались через 12 и 24 нед после применения РТМ. Снижение концентрации иммуноглобулина (Ig) M ревматоидного фактора (РФ) в сыворотках ответчиков выявлено на 12-й и 24-й неделе и составило 79,7 и 87,1% от исходного уровня соответственно (p&lt;0,05). Уровень IgA РФ снижался на 72 и 85% от исходного уровня соответственно на 12-й и 24-й неделе терапии РТМ у больных с хорошим эффектом препарата (p&lt;0,05). Концентрация антител к циклическому цитруллинированному пептиду в сыворотках ответчиков оставалась высокой на всем протяжении наблюдения. Деплеция CD19+ В-лимфоцитов достигнута к 12-й неделе терапии у всех пациентов (абсолютное содержание 0), к 24-й неделе отмечено нарастание уровня CD19+ B-клеток (0,0030 [0,0003-0,0270] 109/л). Средние уровни иммуноглобулинов как в группе пациентов с хорошим, так и с удовлетворительным эффектом оставались в пределах нормы. Применение ацеллбии также сопровождалось быстрым и выраженным снижением концентрации практически всего спектра показателей цитокинового профиля через 12-24 нед после первой инфузии. Заключение. Анализ иммунологических эффектов биоаналога РТМ свидетельствует о его способности вызывать снижение лабораторных показателей воспалительной активности, концентрации аутоантител, провоспалительных цитокинов, хемокинов и факторов роста, полную деплецию В-лимфоцитов. Серопозитивность по IgM РФ и/или антителам к цитруллинированным белкам и повышенные уровни данных аутоантител в сыворотке крови, а также повышенный уровень интерлейкина-17 через 12 нед лечения можно рассматривать в качестве предикторов хорошего ответа на проводимую терапию.</p></trans-abstract><kwd-group xml:lang="en"><kwd>rheumatoid arthritis</kwd><kwd>rituximab biosimilar</kwd><kwd>disease activity</kwd><kwd>autoantibodies</kwd><kwd>cytokine profile</kwd><kwd>B-lymphocytes</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>ревматоидный артрит</kwd><kwd>биоаналог ритуксимаба</kwd><kwd>активность заболевания</kwd><kwd>аутоантитела</kwd><kwd>цитокиновый профиль</kwd><kwd>В-лимфоциты</kwd></kwd-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Насонов Е.Л., Каратеев Д.Е., Балабанова Р.М. Ревматоидный артрит. В кн.: Ревматология. Национальное руководство. Под ред. Е.Л. Насонова, В.А. Насоновой. 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