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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">10.33380/2305-2066-2024-13-3-1609</article-id><article-id custom-type="elpub" pub-id-type="custom">pharmjournal-1911</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>Количественное определение феназепама и его активного метаболита в плазме крови человека при различных процедурах экстракции</article-title><trans-title-group xml:lang="en"><trans-title>Quantitative determination of phenazepam and its active metabolite in human blood plasma at different extraction procedures</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4950-5336</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Мирошниченко</surname><given-names>И. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Miroshnichenko</surname><given-names>I. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>115522, г. Москва, Каширское шоссе, д. 34</p></bio><bio xml:lang="en"><p>34, Kashirskoe shosse, Moscow, 115522</p></bio><email xlink:type="simple">igormir41@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/0000-0002-9682-4623</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Платова</surname><given-names>А. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Platova</surname><given-names>A. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>115522, г. Москва, Каширское шоссе, д. 34</p></bio><bio xml:lang="en"><p>34, Kashirskoe shosse, Moscow, 115522</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9326-4683</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кузьмин</surname><given-names>И. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Kuzmin</surname><given-names>I. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>115522, г. Москва, Каширское шоссе, д. 34</p></bio><bio xml:lang="en"><p>34, Kashirskoe shosse, Moscow, 115522</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2295-7167</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Иващенко</surname><given-names>Д. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Ivaschenko</surname><given-names>D. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>125993, г. Москва, ул. Баррикадная, д. 2/1, стр. 1</p></bio><bio xml:lang="en"><p>Building 1, 2/1, Barrikadnaya str., Moscow, 125993</p></bio><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Федеральное государственное бюджетное научное учреждение «Научный центр психического здоровья» (ФГБНУ НЦПЗ)</institution></aff><aff xml:lang="en"><institution>Federal state budgetary scientific institution "Mental health research center"</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Федеральное государственное бюджетное образовательное учреждение дополнительного профессионального образования «Российская медицинская академия непрерывного профессионального образования» Министерства здравоохранения Российской Федерации</institution></aff><aff xml:lang="en"><institution>Russian Medical Academy of Continuous Professional Education</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>24</day><month>08</month><year>2024</year></pub-date><volume>13</volume><issue>3</issue><fpage>199</fpage><lpage>207</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Мирошниченко И.И., Платова А.И., Кузьмин И.И., Иващенко Д.В., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Мирошниченко И.И., Платова А.И., Кузьмин И.И., Иващенко Д.В.</copyright-holder><copyright-holder xml:lang="en">Miroshnichenko I.I., Platova A.I., Kuzmin I.I., Ivaschenko D.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/1911">https://www.pharmjournal.ru/jour/article/view/1911</self-uri><abstract><sec><title>Введение</title><p>Введение. Наличие активного метаболита 3-гидроксифеназепама (3-ОН-ФЕН), широкая межиндивидуальная вариабельность активной фракции феназепама (ФЕН) в крови, а также его терапевтического эффекта определяют актуальность терапевтического лекарственного мониторинга (ТЛМ). Для этого исследователь должен располагать экспрессной методикой с широким аналитическим диапазоном, низким пределом количественного определения (НПКО), робастной при разных методах пробоподготовки.</p></sec><sec><title>Цель</title><p>Цель. Разработка и валидация методик количественного определения ФЕН и 3-гидроксифеназепама для измерения содержания этих аналитов в плазме крови человека при разных методах экстракции.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. Определение ФЕН и 3-ОН-ФЕН в плазме крови человека проводили методом высокоэффективной жидкостной хроматографии с тандемной масс-спектрометрией (ВЭЖХ-МС/МС). Для пробоподготовки использовали твердофазную экстракцию (SPE, от англ. «solid phase extraction») и жидкостную экстракцию с поддержкой (SLE, от англ. «supported liquid extraction»), иначе называемую жидкостно-жидкостной экстракцией на твердой фазе. Внутренний стандарт (ВС) − метопролол. Подвижная фаза: 0,2%-й водный раствор муравьиной кислоты (элюент А) и 100%-й ацетонитрил (элюент B); режим: градиентный. Колонка: Hypersil GOLD® C18, 50 × 2,1 мм, 3,5 мкм.</p></sec><sec><title>Результаты и обсуждение</title><p>Результаты и обсуждение. Разработаны две методики количественного определения ФЕН и 3-ОН-ФЕН в плазме крови человека при разных методах пробоподготовки: SPE и SLE. Подобраны условия хроматографического разделения и масс-спектрометрической детекции изучаемых аналитов. Для обеих методик были определены следующие валидационные характеристики: селективность, калибровочная кривая, точность, прецизионность, степень экстракции, НПКО, эффект переноса, фактор матрицы, стабильность рабочих растворов и аналита в матрице.</p></sec><sec><title>Заключение</title><p>Заключение. Результаты валидации разработанных методик соответствуют установленным критериям, что позволяет их использовать для количественного определения ФЕН и 3-ОН-ФЕН в плазме крови человека. Широкий аналитический диапазон обеих методик – 1–1000,00 нг/мл – позволяет применять их для проведения исследований фармакокинетики и биоэквивалентности, а также в токсикологии.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Introduction</title><p>Introduction. The presence of the active metabolite (3-hydroxyphenazepam, 3-OH-PHEN), the wide interindividual variability of the therapeutic effect of phenazepam (PHEN), as well as its active moiety in the blood, determine the relevance of therapeutic drug monitoring (TDM). To do this, the researcher must have an express analytical technique with a wide analytical range, a low limit of quantification (LLOQ), and with robustness with different sample preparation methods.</p></sec><sec><title>Aim</title><p>Aim. Development and validation of quantitative methods for PHEN and 3-OH-PHEN in human blood plasma with different sample preparation methods.</p></sec><sec><title>Materials and methods</title><p>Materials and methods. The determination of PHEN and 3-OH-PHEN has been performed by high-performance liquid chromatography with tandem mass spectrometry (HPLC-MS/MS). Solid-phase extraction (SPE) and liquid extraction with support (SLE) otherwise called liquid-liquid extraction in the solid phase were used for sample preparation. Metoprolol was utilized as an internal standard (IS). Gradient elution profile between mobile phase A (0.2 % aqueous formic acid) and B (100 % acetonitrile) has been used. Column: Hypersil GOLD® C18, 50 × 2.1 mm, 3.5 μm.</p></sec><sec><title>Results and discussion</title><p>Results and discussion. Two methods have been developed for the quantitative determination of PHEN and 3-OH-PHEN in human blood plasma using different sample preparation methods: SPE and SLE. The conditions of chromatographic separation and mass spectrometric detection of the analytes are selected. The following validation characteristics were determined for both methods: selectivity, calibration curve, accuracy, precision, degree of extraction, LLOQ, carry-over effect, matrix factor, stability of standard solutions and analyte in the matrix.</p></sec><sec><title>Conclusion</title><p>Conclusion. The validation results of the developed methods meet the established criteria, which allows them to be used for the quantitative determination of PHEN and 3-OH-PHEN in human blood plasma. The wide analytical range for both methods 1–1000.00 ng/ml allows the use them for pharmacokinetics and bioequivalence studies, as well as in toxicology.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>феназепам</kwd><kwd>3-гидроксифеназепам</kwd><kwd>ВЭЖХ-МС/МС</kwd><kwd>валидация</kwd><kwd>твердофазная экстракция</kwd><kwd>жидкостная экстракция с поддержкой</kwd></kwd-group><kwd-group xml:lang="en"><kwd>phenazepam</kwd><kwd>3-oxyphenazepam</kwd><kwd>HPLC-MS/MS</kwd><kwd>validation</kwd><kwd>solid phase extraction</kwd><kwd>supported liquid extraction</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">Moosmann B., Huppertz L. M., Hutter M., Buchwald A., Ferlaino S., Auwärter V. Detection and identification of the designer benzodiazepine flubromazepam and preliminary data on its metabolism and pharmacokinetics. 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