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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">Bulletin of the Russian Military Medical Academy</journal-id><journal-title-group><journal-title xml:lang="en">Bulletin of the Russian Military Medical Academy</journal-title><trans-title-group xml:lang="ru"><trans-title>Вестник Российской военно-медицинской академии</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1682-7392</issn><issn publication-format="electronic">2687-1424</issn><publisher><publisher-name xml:lang="en">Eco-Vector</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">64961</article-id><article-id pub-id-type="doi">10.17816/brmma64961</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Clinical Trials</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Клинические исследования</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">Possibilities of the efficiency and safety control of rivaroxaban application in patients with atrial fibrillation</article-title><trans-title-group xml:lang="ru"><trans-title>Возможности контроля эффективности и безопасности применения ривароксабана у пациентов, страдающих фибрилляцией предсердий</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8396-1936</contrib-id><contrib-id contrib-id-type="scopus">57208311867</contrib-id><name-alternatives><name xml:lang="en"><surname>Kryukov</surname><given-names>Evgeny V.</given-names></name><name xml:lang="ru"><surname>Крюков</surname><given-names>Евгений Владимирович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>doctor of medical sciences, professor</p></bio><bio xml:lang="ru"><p>доктор медицинских наук, профессор</p></bio><email>evgeniy.md@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Prokofiev</surname><given-names>Alexey B.</given-names></name><name xml:lang="ru"><surname>Прокофьев</surname><given-names>Алексей Борисович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>doctor of medical sciences</p></bio><bio xml:lang="ru"><p>доктор медицинских наук, профессор</p></bio><email>andreida@mail.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Danko</surname><given-names>Andrey A.</given-names></name><name xml:lang="ru"><surname>Данько</surname><given-names>Андрей Андреевич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>candidate of medical sciences</p></bio><bio xml:lang="ru"><p>кандидат медицинских наук</p></bio><email>andreida@mail.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Dmitriev</surname><given-names>Artyom I.</given-names></name><name xml:lang="ru"><surname>Дмитриев</surname><given-names>Артëм Иванович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>analyst</p></bio><bio xml:lang="ru"><p>аналитик</p></bio><email>andreida@mail.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Melnikov</surname><given-names>Evgeny S.</given-names></name><name xml:lang="ru"><surname>Мельников</surname><given-names>Евгений Сергеевич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>candidate of pharmaceutical sciences</p></bio><bio xml:lang="ru"><p>кандидат фармацевтических наук</p></bio><email>andreida@mail.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Rodina</surname><given-names>Tatyana A.</given-names></name><name xml:lang="ru"><surname>Родина</surname><given-names>Татьяна Александровна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>candidate of chemical sciences</p></bio><bio xml:lang="ru"><p>кандидат химических наук</p></bio><email>andreida@mail.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Belkov</surname><given-names>Sergey A.</given-names></name><name xml:lang="ru"><surname>Белков</surname><given-names>Сергей Александрович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>doctor of medical sciences, professor</p></bio><bio xml:lang="ru"><p>доктор медицинских наук, профессор</p></bio><email>andreida@mail.ru</email><xref ref-type="aff" rid="aff2"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Military Medical Academy named after S.M. Kirov of the Ministry of Defense of the Russian Federation</institution></aff><aff><institution xml:lang="ru">Военно-медицинская академия имени С.М. Кирова МО РФ</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Scientific Center for Expertise of Medicinal Products, Ministry of Health of the Russian Federation</institution></aff><aff><institution xml:lang="ru">Научный центр экспертизы средств медицинского применения МЗ РФ</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2021-06-15" publication-format="electronic"><day>15</day><month>06</month><year>2021</year></pub-date><volume>23</volume><issue>2</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>9</fpage><lpage>16</lpage><history><date date-type="received" iso-8601-date="2021-04-07"><day>07</day><month>04</month><year>2021</year></date><date date-type="accepted" iso-8601-date="2021-06-01"><day>01</day><month>06</month><year>2021</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2021, Kryukov E.V., Prokofiev A.B., Danko A.A., Dmitriev A.I., Melnikov E.S., Rodina T.A., Belkov S.A.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2021, Крюков Е.В., Прокофьев А.Б., Данько А.А., Дмитриев А.И., Мельников Е.С., Родина Т.А., Белков С.А.</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="en">Kryukov E.V., Prokofiev A.B., Danko A.A., Dmitriev A.I., Melnikov E.S., Rodina T.A., Belkov S.A.</copyright-holder><copyright-holder xml:lang="ru">Крюков Е.В., Прокофьев А.Б., Данько А.А., Дмитриев А.И., Мельников Е.С., Родина Т.А., Белков С.А.</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/">http://creativecommons.org/licenses/by-nc-nd/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://journals.eco-vector.com/1682-7392/article/view/64961">https://journals.eco-vector.com/1682-7392/article/view/64961</self-uri><abstract xml:lang="en"><p>The results of a study of the concentration of rivaroxaban in the peripheral blood in patients with atrial fibrillation, receiving different doses of rivaroxaban, as well as in the case of developing hemorrhagic complications, are presented. 65 patients admitted for treatment for atrial fibrillation were examined. As an anticoagulant drug, rivaroxaban was prescribed at a dose of 15 or 20 mg once a day, depending on the state of renal function. The patients were divided into 3 groups depending on the prescribed dose of rivaroxaban and the presence or absence of hemorrhagic complications. At the same time, each patient underwent therapeutic drug monitoring of the drug. It was found that in patients, who received rivaroxaban at a dose of 15 mg, in 35% of cases its concentration in the blood was below the average minimum values. In patients, who received the drug at a dose of 20 mg, in 16% of cases its concentration in the blood serum exceeded the average maximum values. Patients treated with 15 mg of rivaroxaban lacked any hemorrhagic complications. In the group of patients with advanced hemorrhagic complications who received rivaroxaban at a dose of 20 mg, its serum concentration at all stages of therapeutic drug monitoring was significantly higher than the average maximum values and more than 4 times higher than in the control group (without hemorrhagic complications). The results of the study indicate the advisability of conducting therapeutic drug monitoring with the determination of rivaroxaban concentrations in the blood serum of patients receiving the drug, especially when they develop hemorrhagic complications.</p></abstract><trans-abstract xml:lang="ru"><p>Приведены результаты исследования концентрации ривароксабана в периферической крови у больных, страдающих фибрилляцией предсердий, получающих разные дозы ривароксабана, а также в случае развития у них геморрагических осложнений. Обследовано 65 больных, поступивших на лечение по поводу фибрилляции предсердий. В качестве антикоагулянтного препарата назначался ривароксабан в дозе 15 или 20 мг 1 раз в день в зависимости от состояния функции почек. Больные были распределены на 3 группы в зависимости от назначенной дозы ривароксабана и наличия или отсутствия геморрагических осложнений. При этом каждому пациенту проводили терапевтический лекарственный мониторинг препарата. Установлено, что у пациентов, получавших ривароксабан в дозе 15 мг, в 35% случаев его концентрация в крови была ниже средних минимальных значений. У пациентов, получавших препарат в дозе 20 мг, в 16% случаев его концентрация в сыворотке крови превышала средние максимальные значения. У больных, получавших 15 мг ривароксабана, отсутствовали какие-либо геморрагические осложнения. В группе больных с развившимися геморрагическими осложнениями, получавших ривароксабан в дозе 20 мг, его концентрация в сыворотке крови на всех этапах терапевтического лекарственного мониторинга была значительно выше средних максимальных значений и более чем в 4 раза превышала аналогичный показатель в контрольной группе (без геморрагических осложнений). Результаты исследования свидетельствуют о целесообразности проведения терапевтического лекарственного мониторинга с определением концентраций ривароксабана в сыворотке крови пациентов, получающих препарат, особенно при развитии у них геморрагических осложнений.</p></trans-abstract><kwd-group xml:lang="en"><kwd>atrial fibrillation</kwd><kwd>new oral anticoagulants</kwd><kwd>rivaroxaban</kwd><kwd>pharmacokinetics</kwd><kwd>therapeutic drug monitoring</kwd><kwd>safety control</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>фибрилляция предсердий</kwd><kwd>новые оральные антикоагулянты</kwd><kwd>ривароксабан</kwd><kwd>фармакокинетика</kwd><kwd>терапевтический лекарственный мониторинг</kwd><kwd>контроль безопасности</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><citation-alternatives><mixed-citation xml:lang="en">Patel MR for ROCKET AF Executive Steering Committee. 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