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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">pharmjournal</journal-id><journal-title-group><journal-title xml:lang="ru">Разработка и регистрация лекарственных средств</journal-title><trans-title-group xml:lang="en"><trans-title>Drug development &amp; registration</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2305-2066</issn><issn pub-type="epub">2658-5049</issn><publisher><publisher-name>LLC «CPHA»</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.33380/2305-2066-2022-11-4-226-239</article-id><article-id custom-type="elpub" pub-id-type="custom">pharmjournal-1381</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>ДОКЛИНИЧЕСКИЕ И КЛИНИЧЕСКИЕ ИССЛЕДОВАНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>PRECLINICAL AND CLINICAL STUDIES</subject></subj-group></article-categories><title-group><article-title>Разработка и валидация определения элтромбопага в плазме крови человека методом ВЭЖХ-МС</article-title><trans-title-group xml:lang="en"><trans-title>Development and Validation of Eltrombopag Determination in Human Plasma Blood by HPLC-MS Method</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9044-243X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Аль-Дураиби</surname><given-names>А. М.</given-names></name><name name-style="western" xml:lang="en"><surname>AL-Dhuraibi</surname><given-names>А. М.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кафедра фармакологии и клинической фармакологии, Аден, Йемен;Научно-исследовательский институт фармакологии живых систем, лаборатория фармакокинетических исследований, 308015, Россия, г. Белгород, ул. Победы, д. 85, корпус 11</p></bio><bio xml:lang="en"><p>Department of Pharmacology and Clinical Pharmacology, Aden, Yemen</p><p>Research Institute of Pharmacology of Living Systems, Laboratory of Pharmacokinetic Research, 85/11, Pobeda str., Belgorod, 308015, Russia</p></bio><email xlink:type="simple">aldhuraibi2019@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6422-0377</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Куликов</surname><given-names>А. Л.</given-names></name><name name-style="western" xml:lang="en"><surname>Kulikov</surname><given-names>A. L.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Научно-исследовательский институт фармакологии живых систем, лаборатория фармакокинетических исследований</p><p>308015, г. Белгород, ул. Победы, д. 85, корпус 11</p></bio><bio xml:lang="en"><p>Research Institute of Pharmacology of Living Systems, Laboratory of Pharmacokinetic Research</p><p>85/11, Pobeda str., Belgorod, 308015</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1493-3376</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Покровский</surname><given-names>М. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Pokrovskiy</surname><given-names>M. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Научно-исследовательский институт фармакологии живых систем, лаборатория фармакокинетических исследований</p><p>308015, г. Белгород, ул. Победы, д. 85, корпус 11</p></bio><bio xml:lang="en"><p>Research Institute of Pharmacology of Living Systems, Laboratory of Pharmacokinetic Research</p><p>85/11, Pobeda str., Belgorod, 308015</p></bio><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Аденский университет; ФГАОУ ВО «Белгородский государственный национальный исследовательский университет» (НИУ «БелГУ)</institution></aff><aff xml:lang="en"><institution>Aden University; Federal State Autonomous Educational Institution of Higher Education «Belgorod National Research University»</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ФГАОУ ВО «Белгородский государственный национальный исследовательский университет» (НИУ «БелГУ)</institution></aff><aff xml:lang="en"><institution>Federal State Autonomous Educational Institution of Higher Education «Belgorod National Research University»</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>27</day><month>11</month><year>2022</year></pub-date><volume>11</volume><issue>4</issue><fpage>226</fpage><lpage>239</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Аль-Дураиби А.М., Куликов А.Л., Покровский М.В., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Аль-Дураиби А.М., Куликов А.Л., Покровский М.В.</copyright-holder><copyright-holder xml:lang="en">AL-Dhuraibi А.М., Kulikov A.L., Pokrovskiy M.V.</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.pharmjournal.ru/jour/article/view/1381">https://www.pharmjournal.ru/jour/article/view/1381</self-uri><abstract><sec><title>Введение</title><p>Введение. «Элтромбопаг» – агонист рецепторов тромбопоэтина (TPO-RAs), одобренный для лечения иммунной тромбоцитопенической пурпуры (ИТП). В соответствии с изученной литературой, было обнаружено, что существует очень мало аналитических методов для определения элтромбопага в биологических образцах. Для изучения фармакокинетики новых составов элтромбопага необходим чувствительный и специфичный метод, позволяющий точно определять концентрации элтромбопага в плазме крови человека. Обычно методы ВЭЖХ должны обеспечивать время, точность и чувствительность. Поэтому необходимо разработать быстрые или сверхбыстрые методы, такие как LC-MS/MS, без какой-либо потери эффективности и чувствительности разделения.</p></sec><sec><title>Цель</title><p>Цель. Наша цель заключалась в разработке и валидации метода, нацеленное на количественное определение элтромбопага в человеческой плазме крови при том, чтобы использовались методы высокоэффективной жидкостной хроматографии с одноквадрупольным масс-спектрометрическим детектированием (ВЭЖХ-МС) для выполнения аналитической части фармакокинетических исследований.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. Количество элтромбопага в плазме человека определяли с помощью ВЭЖХ-МС. Способ осаждения белков был проведен в качестве пробоподготовки.</p></sec><sec><title>Результаты и обсуждение</title><p>Результаты и обсуждение. Разработанную методику валидировали по линейности, переносу пробы, стабильности, селективности, точности, эффекту матрицы, прецизионности, пределу количественного определения препарата.</p></sec><sec><title>Заключение</title><p>Заключение. Метод определения элтромбопага в плазме крови человека был разработан и валидирован методом ВЭЖХ-МС. При исследовании аналитического диапазона препарат элтромбопаг в плазме составил 10–6750 нг/мл. Данный аналитический диапазон разработанной методики может быть применен для проведения аналитической части фармакокинетических исследований препаратов, содержащих в составе элтромбопаг.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Introduction</title><p>Introduction. "Eltrombopag" is a thrombopoietin receptor agonist (TPO-RA) that is approved for the treatment of immune thrombocytopenic purpura (ITP). According to the literature, very few analytical methods for determining eltrombopag in biological samples have been reported. To study the pharmacokinetics of new formulations of eltrombopag, a sensitive and specific method is required that allows one to accurately determine the concentration of eltrombopag in human blood plasma. Normally, HPLC methods should provide time, accuracy, and sensitivity as a result, it is necessary to develop fast or ultra-fast methods such as LC-MS/MS without any loss in sensitivity or separation efficiency.</p></sec><sec><title>Aim</title><p>Aim. We aimed to develop and validate a method for the quantitative determination of eltrombopag levels in human plasma by using HPLC with mass spectrometric detection for performing the analytical part of pharmacokinetic studies.</p></sec><sec><title>Materials and methods</title><p>Materials and methods. Eltrombopag levels were determined in human plasma by HPLC with mass spectrometric detection. The samples were prepared using protein deposition.</p></sec><sec><title>Results and discussion</title><p>Results and discussion. The method was validated for selectivity, matrix effect, calibration curve, accuracy, precision, the limit of quantification, carry-over effect, and sample stability.</p></sec><sec><title>Conclusion</title><p>Conclusion. The method for the determination of eltrombopag levels in human plasma has been developed and validated by HPLC-MS. The analytical range of eltrombopag levels in human plasma was 10–6750 ng/ml. This method could be used to determine eltrombopag levels in plasma for PK and BE studies.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>«Элтромбопаг»</kwd><kwd>плазма</kwd><kwd>ВЭЖХ-МС/МС</kwd><kwd>валидация</kwd><kwd>биоэквивалентность</kwd></kwd-group><kwd-group xml:lang="en"><kwd>"Eltrombopag"</kwd><kwd>plasma</kwd><kwd>HPLC-MS/MS</kwd><kwd>validation</kwd><kwd>bioequivalence</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">Ahmed M. A., Yassin M. A. Low-Dose Eltrombopag in a Patient with Chronic Idiopathic Thrombocytopenic Purpura Post Sleeve Gastrectomy. Case Rep. Oncol. 2020;(13):655–658. 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