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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">phkinetica</journal-id><journal-title-group><journal-title xml:lang="ru">Фармакокинетика и Фармакодинамика</journal-title><trans-title-group xml:lang="en"><trans-title>Pharmacokinetics and Pharmacodynamics</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2587-7836</issn><issn pub-type="epub">2686-8830</issn><publisher><publisher-name>ООО «Издательство ОКИ»</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">phkinetica-150</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>ИССЛЕДОВАНИЯ БИОЭКВИВАЛЕНТНОСТИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>BIOEQUIVALENCE STUDIES</subject></subj-group></article-categories><title-group><article-title>Исследование биоэквивалентности препаратов ондансетрона с использованием метода ВЭЖХ-МС</article-title><trans-title-group xml:lang="en"><trans-title>Bioequivalence study of ondansetron tablets by HPLC-MS</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Степанова</surname><given-names>Елена Сергеевна</given-names></name><name name-style="western" xml:lang="en"><surname>Stepanova</surname><given-names>E. S.</given-names></name></name-alternatives><email xlink:type="simple">stepanova_25@inbox.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Овчаров</surname><given-names>М. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Ovcharov</surname><given-names>M. V.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Барсегян</surname><given-names>С. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Barsegyan</surname><given-names>S. S.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Чистяков</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Nikonova</surname><given-names>S. M.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Никонова</surname><given-names>С. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Shilov</surname><given-names>V. V.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шилов</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Chistyakov</surname><given-names>V. V.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГАОУ ВПО «Российский университет дружбы народов»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Peoples' Friendship university of Russia</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ФБУН СЗНЦ «Гигиены и общественного здоровья»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Science Center «Hygiene and Public Health»</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2015</year></pub-date><pub-date pub-type="epub"><day>09</day><month>04</month><year>2014</year></pub-date><volume>0</volume><issue>1</issue><fpage>21</fpage><lpage>26</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Степанова Е.С., Овчаров М.В., Барсегян С.С., Чистяков В.В., Никонова С.М., Шилов В.В., 2014</copyright-statement><copyright-year>2014</copyright-year><copyright-holder xml:lang="ru">Степанова Е.С., Овчаров М.В., Барсегян С.С., Чистяков В.В., Никонова С.М., Шилов В.В.</copyright-holder><copyright-holder xml:lang="en">Stepanova E.S., Ovcharov M.V., Barsegyan S.S., Nikonova S.M., Shilov V.V., Chistyakov V.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.pharmacokinetica.ru/jour/article/view/150">https://www.pharmacokinetica.ru/jour/article/view/150</self-uri><abstract><p>В рамках перекрёстного, открытого, рандомизированного исследования с недельным периодом отмывки, с двумя последовательностями была изучена биоэквивалентность двух таблетированных форм ондансетрона на 18 добровольцах (дозировка 8 мг). Образцы плазмы крови анализировали валидированным методом ВЭЖХ-МС, с внутренним стандартом - трописетроном. Предел количественного определения составил 1 нг/мл. Для анализируемых препаратов рассчитаны фармакокинетические параметры: AUC0-t, Cmax, Tmax, MRT, Cmax/AUC. 90% доверительный интервал для логарифмически преобразованных значений AUC0-t составил 0,9507 - 1,0037, для AUC(0-∞) 0,9402-0,9974 и для Cmax - 0,9255 - 1,0095. По результатам исследования сделан вывод о биоэквивалентности сравниваемых препаратов ондансетрона.</p></abstract><trans-abstract xml:lang="en"><p>Within the cross, a single, open, randomized study with a week washout period, the two sequences has been studied bioequivalence of tablet forms two ondansetron 18 volunteers (8 mg dosage). Plasma samples were analyzed by a validated HPLC-MS, tropisetron was used as the internal standard. Limit of quantification was 1 ng/ml. Analyzed for drugs following pharmacokinetic parameters were calculated: AUC0-t, Cmax, Tmax, MRT, Cmax/AUC ' 90% confidence interval for log-transformed values of AUC0-t was 0,9507 - 1,0037, of AUC(0-∞ ). was 0,9402-0,9974, of C was 0,9255 - 1,0095. The study concluded that bioequivalence compared ondansetron drugs.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>ондансетрон</kwd><kwd>трописетрон</kwd><kwd>ВЭЖХ/МС</kwd><kwd>валидация</kwd><kwd>фармакокинетика</kwd><kwd>биоэквивалентность</kwd><kwd>ondansetron</kwd><kwd>tropisetron</kwd><kwd>HPLC/MS</kwd><kwd>validation</kwd><kwd>pharmacokinetics</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">Kris M.G., Hesketh P.J., Herrstedt J., Rittenberg C., Einhorn L.H., Grunberg S. et al. 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