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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">10.33380/2305-2066-2024-13-4-1876</article-id><article-id custom-type="elpub" pub-id-type="custom">pharmjournal-1975</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>Изучение фармакокинетики нового производного 4,5-дигидроизоксазол-5-карбоксамида на крысах</article-title><trans-title-group xml:lang="en"><trans-title>Pharmacokinetic study of a new 4,5-dihydroisoxazole-5-carboxamide derivative in rats</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0066-7388</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Яичков</surname><given-names>И. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Yaichkov</surname><given-names>I. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>150000, г. Ярославль, ул. Революционная, д. 5; 150000, г. Ярославль, ул. Республиканская, д. 108/1</p></bio><bio xml:lang="en"><p>5, Revolutsionnaya str., Yaroslavl, 150000; 108/1, Respublikanskaya str., Yaroslav, 150000</p></bio><email xlink:type="simple">i.yaichkov@yspu.org</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0913-2571</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Корсаков</surname><given-names>М. К.</given-names></name><name name-style="western" xml:lang="en"><surname>Korsakov</surname><given-names>M. K.</given-names></name></name-alternatives><bio xml:lang="ru"><p>150000, г. Ярославль, ул. Республиканская, д. 108/1</p></bio><bio xml:lang="en"><p>108/1, Respublikanskaya str., Yaroslav, 150000</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/0000-0002-4275-9037</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Вольхин</surname><given-names>Н. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Volkhin</surname><given-names>N. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>150000, г. Ярославль, ул. Революционная, д. 5</p></bio><bio xml:lang="en"><p>5, Revolutsionnaya str., Yaroslavl, 150000</p></bio><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0007-8435-7689</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Петухов</surname><given-names>С. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Petukhov</surname><given-names>S. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>150000, г. Ярославль, ул. Революционная, д. 5; 150000, г. Ярославль, ул. Республиканская, д. 108/1</p></bio><bio xml:lang="en"><p>5, Revolutsionnaya str., Yaroslavl, 150000; 108/1, Respublikanskaya str., Yaroslav, 150000</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/0009-0007-8084-5239</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Тюшина</surname><given-names>А. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Tyushina</surname><given-names>A. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>150000, г. Ярославль, ул. Революционная, д. 5; 150000, г. Ярославль, ул. Республиканская, д. 108/1</p></bio><bio xml:lang="en"><p>5, Revolutsionnaya str., Yaroslavl, 150000; 108/1, Respublikanskaya str., Yaroslav, 150000</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/0009-0008-9431-1980</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Зайкова</surname><given-names>В. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Zaykova</surname><given-names>V. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>150000, г. Ярославль, ул. Революционная, д. 5; 150000, г. Ярославль, ул. Республиканская, д. 108/1</p></bio><bio xml:lang="en"><p>5, Revolutsionnaya str., Yaroslavl, 150000; 108/1, Respublikanskaya str., Yaroslav, 150000</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/0009-0002-1249-3669</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Лазарянц</surname><given-names>О. Э.</given-names></name><name name-style="western" xml:lang="en"><surname>Lasaraynz</surname><given-names>O. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>150000, г. Ярославль, ул. Революционная, д. 5; 150000, г. Ярославль, ул. Республиканская, д. 108/1</p></bio><bio xml:lang="en"><p>5, Revolutsionnaya str., Yaroslavl, 150000; 108/1, Respublikanskaya str., Yaroslav, 150000</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Федеральное государственное бюджетное образовательное учреждение высшего образования «Ярославский государственный медицинский университет» Министерства здравоохранения Российской Федерации (ФГБОУ ВО ЯГМУ Минздрава России); Федеральное государственное бюджетное образовательное учреждение высшего образования «Ярославский государственный педагогический университет им. К. Д. Ушинского». Центр трансфера фармацевтических технологий им. М. В. Дорогова<country>Россия</country></aff><aff xml:lang="en">Federal State Budgetary Educational Institution of Higher Education "Yaroslavl State Medical University" of the Ministry of Healthcare of the Russian Federation; Yaroslavl State Pedagogical University named after K. D. Ushinsky. M. V. Dorogov Pharmaceutical Technology Transfer Center<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru">Федеральное государственное бюджетное образовательное учреждение высшего образования «Ярославский государственный педагогический университет им. К. Д. Ушинского». Центр трансфера фармацевтических технологий им. М. В. Дорогова<country>Россия</country></aff><aff xml:lang="en">Yaroslavl State Pedagogical University named after K. D. Ushinsky. M. V. Dorogov Pharmaceutical Technology Transfer Center<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru">Федеральное государственное бюджетное образовательное учреждение высшего образования «Ярославский государственный медицинский университет» Министерства здравоохранения Российской Федерации (ФГБОУ ВО ЯГМУ Минздрава России)<country>Россия</country></aff><aff xml:lang="en">Federal State Budgetary Educational Institution of Higher Education "Yaroslavl State Medical University" of the Ministry of Healthcare of the Russian Federation<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>14</day><month>11</month><year>2024</year></pub-date><volume>13</volume><issue>4</issue><fpage>238</fpage><lpage>250</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Яичков И.И., Корсаков М.К., Вольхин Н.Н., Петухов С.С., Тюшина А.Н., Зайкова В.Е., Лазарянц О.Э., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Яичков И.И., Корсаков М.К., Вольхин Н.Н., Петухов С.С., Тюшина А.Н., Зайкова В.Е., Лазарянц О.Э.</copyright-holder><copyright-holder xml:lang="en">Yaichkov I.I., Korsakov M.K., Volkhin N.N., Petukhov S.S., Tyushina A.N., Zaykova V.E., Lasaraynz O.E.</copyright-holder><license 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/1975">https://www.pharmjournal.ru/jour/article/view/1975</self-uri><abstract><sec><title>Введение</title><p>Введение. 3-(2-бутил-5-хлоро-1Н-имидазол-4-ил)-N-[4-метокси-3-(трифторметил)фенил]-4,5-дигидро-1,2-оксазол-5-карбоксамид (R004) является новой перспективной молекулой для терапии ревматоидного артрита. Данное соединение находится на стадии доклинического исследования, в ходе которого вместе с эффективностью и безопасностью необходимо изучить его фармакокинетику. При этом необходимо установить основные фармакокинетические параметры лекарственного средства и его метаболитов в плазме крови при однократном введении.</p></sec><sec><title>Цель</title><p>Цель. Оценка линейности фармакокинетики и относительной биодоступности 3-(2-бутил-5-хлоро-1Н-имидазол-4-ил)-N-[4-метокси-3-(трифторметил)фенил]-4,5-дигидро-1,2-оксазол-5-карбоксамида после однократного введения субстанции крысам.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. Субстанцию R004 вводили крысам однократно перорально в дозировках 10 мг/кг, 20 мг/кг и 40 мг/кг и внутрибрюшинно в дозировке 10 мг/кг. Исследование проводилось на 24 крысах линии Wistar: по 6 крыс на каждую из дозировок. Образцы крови отбирались до введения и через 30 мин, 1 ч, 1 ч 30 мин, 2 ч, 3 ч, 4 ч, 6 ч, 8 ч, 10 ч, 12 ч, 24 ч после введения лекарственного средства. Полученная плазма стабилизировалась 250 мМ раствором ацетата аммония для предотвращения гидролиза R004. Подготовку проб плазмы осуществляли путем осаждения белков ацетонитрильным раствором внутренних стандартов. Измерение концентрации R004 и его метаболитов 3-(2-бутил-5-хлоро-1Н-имидазол-4-ил)-4,5-дигидро-1,2-оксазол-5-карбоновой кислоты (М1) и 4-метокси-3-(трифторметил)анилина (M2) проводили с помощью ВЭЖХ-МС/МС. При оценке фармакокинетических параметров применялся некомпартментный подход.</p></sec><sec><title>Результаты и обсуждение</title><p>Результаты и обсуждение. Разработанная биоаналитическая методика прошла полную валидацию согласно требованиям руководств ЕАЭС по проведению исследований биоэквивалентности и ICH M10. Аналитический диапазон определения в плазме R004 составил 2–2000 нг/мл, М1 и М2 – 1–1000 нг/мл. Зависимость параметров Cmax и AUC0–t изучаемого соединения и его метаболитов от введенной дозы носила линейный характер. Так, величина коэффициента корреляции Cmax R004 составил 0,9995, а параметра AUC0–t – 0,9932. Установлено наличие энтерогепатической рециркуляции R004. Величина относительной биодоступности R004 составила 21,26 %.</p></sec><sec><title>Заключение</title><p>Заключение. Разработанная методика успешно применена для фармакокинетического исследования. R004 и его метаболиты обладают линейной фармакокинетикой при пероральном введении субстанции.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Introduction</title><p>Introduction. 3-(2-butyl-5-chloro-1H-imidazole-4-yl)-N-[4-methoxy-3-(trifluoromethyl)phenyl]-4,5-dihydro-1,2-oxazole-5-carboxamide (R004) is a prospective new molecule for the treatment of rheumatoid arthritis. This compound is at the stage of preclinical research, during which its pharmacokinetics must be studied along with efficacy and safety. In this case, it is necessary to establish the main pharmacokinetic parameters of the drug and its metabolites in blood plasma after a single administration.</p></sec><sec><title>Aim</title><p>Aim. Evaluation of linearity of pharmacokinetics and relative bioavailability of 3-(2-butyl-5-chloro-1H-imidazole-4-yl)-N-[4-methoxy-3-(trifluoromethyl)phenyl]-4,5-dihydro-1,2-oxazole-5-carboxamide and its main metabolites in plasma after a single administration of the substance to rats.</p></sec><sec><title>Materials and methods</title><p>Materials and methods. Substance R004 was administered to rats once orally at dosages of 10 mg/kg, 20 mg/kg and 40 mg/kg and intraperitoneally at a dosage of 10 mg/kg. The study was carried out using 24 Wistar rats: 6 rats were used for each of the dosage. Blood samples were collected before administration and 30 min, 1 h, 1 h, 30 min, 2 h, 3 h, 4 h, 6 h, 8 h, 10 h, 12 h, 24 h after administration of the drug. The obtained plasma was stabilized with a 250 mM ammonium acetate solution to prevent hydrolysis of R004. Plasma samples were prepared by means proteins precipitation by acetonitrile solution of internal standards. Measurement of the concentration of R004 and its metabolites 3-(2-butyl-5-chloro-1H-imidazole-4-yl)-4,5-dihydro-1,2-oxazole-5-carboxylic acid (M1) and 4-methoxy-3-(trifluoromethyl)aniline (M2) was performed using HPLC-MS/MS. A non-compartment approach was applied for evaluation pharmacokinetic parameters.</p></sec><sec><title>Results and discussion</title><p>Results and discussion. The developed bioanalytical method has been fully validated in accordance with the requirements of the EAEU guideline for conducting bioequivalence study and ICH M10 guideline. The analytical range of determination in plasma of R004 was 2–2000 ng/ml, M1 and M2 – 1–1000 ng/ml. The dependence of the parameters Cmax and AUC0–t of the studied compound and its metabolites on the administered dose was linear. Thus, the value of the correlation coefficient of Cmax R004 was 0.9995, and value of the correlation coefficient of AUC0–t was 0.9991. The presence of enterohepatic recirculation R004 has been determined. The relative bioavailability of R004 was 21.26%.</p></sec><sec><title>Conclusion</title><p>Conclusion. The developed method was successfully applied for the pharmacokinetic research. R004 and its metabolites have linear pharmacokinetics in case of oral administration.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>производное 4</kwd><kwd>5-дигидроизоксазол-5-карбоксамида</kwd><kwd>ингибитор PAR-2-рецепторов</kwd><kwd>ВЭЖХ-МС/МС</kwd><kwd>плазма</kwd><kwd>фармакокинетика</kwd><kwd>стабилизация</kwd><kwd>крысы</kwd></kwd-group><kwd-group xml:lang="en"><kwd>4.5-dihydroisoxazol-5-carboxamide derivative</kwd><kwd>PAR-2 receptor inhibitor</kwd><kwd>HPLC-MS/MS</kwd><kwd>plasma</kwd><kwd>pharmacokinetics</kwd><kwd>stabilization</kwd><kwd>rats</kwd></kwd-group><funding-group xml:lang="ru"><funding-statement>Статья подготовлена в рамках государственного задания Ярославского государственного педагогического университета им. К. Д. Ушинского на 2024 год от Минпросвещения РФ по теме «Разработка нового лекарственного средства для лечения нейродегенеративных заболеваний на основе ингибитора моноаминоксидазы» (номер реестровой записи 720000Ф.99.1.БН62АА12000).</funding-statement></funding-group><funding-group xml:lang="en"><funding-statement>The article was prepared within the framework of the State assignment of the Yaroslavl State Pedagogical University named after K.D. Ushinsky for 2024 from the Ministry of Education of the Russian Federation on the topic "Development of a new drug for the treatment of neurodegenerative diseases based on a monoamine oxidase inhibitor" (registry entry number 720000Ф.99.1.БН62АА12000).</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Scherer H. U., Häupl T., Burmester G. R. The etiology of rheumatoid arthritis. 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