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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">biopreparat</journal-id><journal-title-group><journal-title xml:lang="ru">БИОпрепараты. Профилактика, диагностика, лечение</journal-title><trans-title-group xml:lang="en"><trans-title>Biological Products. Prevention, Diagnosis, Treatment</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2221-996X</issn><issn pub-type="epub">2619-1156</issn><publisher><publisher-name>Scientific Centre for Expert Evaluation of Medicinal Products</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.30895/2221-996X-2025-25-4-389-399</article-id><article-id custom-type="elpub" pub-id-type="custom">biopreparat-672</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>ТЕМА НОМЕРА: ПРЕПАРАТЫ МОНОКЛОНАЛЬНЫХ АНТИТЕЛ И ИММУНОГЛОБУЛИНОВ: ОТ РАЗРАБОТКИ ДО КЛИНИЧЕСКОГО ПРИМЕНЕНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ISSUE TOPIC: MONOCLONAL ANTIBODIES AND IMMUNOGLOBULINS: FROM DESIGN TO CLINICAL USE</subject></subj-group></article-categories><title-group><article-title>Оценка фармакокинетики двух моноклональных антител IgG1 каппа, нейтрализующих SARS-CoV-2: исследование на сирийских хомяках и аутбредных мышах линии ICR CD1</article-title><trans-title-group xml:lang="en"><trans-title>Pharmacokinetic assessment of two IgG1 kappa monoclonal antibodies neutralising the SARS-CoV-2: A study in Syrian hamsters and ICR CD1 outbred mice</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7428-9092</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Барыбина</surname><given-names>Т. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Barybina</surname><given-names>T. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Барыбина Татьяна Николаевна </p><p>ул. Заводская, д. 3, корп. 245, г.п. Кузьмоловский, Всеволожский район, Ленинградская область, 188663</p></bio><bio xml:lang="en"><p>Tatiana N. Barybina</p><p>3/245 Zavodskaya St., Kuzmolovsky urban-type settlement, Vsevolozhsky district, Leningrad region 188663</p></bio><email xlink:type="simple">barybina.tn@doclinika.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6866-5741</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Фаустова</surname><given-names>Н. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Faustova</surname><given-names>N. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Фаустова Наталья Михайловна, канд. хим. наук </p><p>ул. Заводская, д. 3, корп. 245, г.п. Кузьмоловский, Всеволожский район, Ленинградская область, 188663</p></bio><bio xml:lang="en"><p>Natalia M. Faustova, Cand. Sci. (Chem.)</p><p>3/245 Zavodskaya St., Kuzmolovsky urban-type settlement, Vsevolozhsky district, Leningrad region 188663</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/0000-0002-6292-8934</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Карлина</surname><given-names>М. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Karlina</surname><given-names>M. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Карлина Марина Валерьевна, канд. биол. наук </p><p>ул. Заводская, д. 3, корп. 245, г.п. Кузьмоловский, Всеволожский район, Ленинградская область, 188663</p></bio><bio xml:lang="en"><p>Marina V. Karlina, Cand. Sci. (Biol.)</p><p>3/245 Zavodskaya St., Kuzmolovsky urban-type settlement, Vsevolozhsky district, Leningrad region 188663</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/0000-0001-9690-1935</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Косман</surname><given-names>В. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Kosman</surname><given-names>V. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Косман Вера Михайловна, канд. фарм. наук </p><p>ул. Заводская, д. 3, корп. 245, г.п. Кузьмоловский, Всеволожский район, Ленинградская область, 188663</p></bio><bio xml:lang="en"><p>Vera M. Kosman, Cand. Sci. (Pharm.) </p><p>3/245 Zavodskaya St., Kuzmolovsky urban-type settlement, Vsevolozhsky district, Leningrad region 188663</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/0000-0003-2105-4553</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Солодков</surname><given-names>П. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Solodkov</surname><given-names>P. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Солодков Павел Павлович </p><p>проспект Академика Лаврентьева, д. 8/2, г. Новосибирск, 630090</p></bio><bio xml:lang="en"><p>Pavel P. Solodkov</p><p>8/2 Academician Lavrentyev Ave, Novosibirsk 630090</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/0000-0002-4706-623X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кулемзин</surname><given-names>С. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Kulemzin</surname><given-names>S. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кулемзин Сергей Викторович, канд. биол. наук </p><p>проспект Академика Лаврентьева, д. 8/2, г. Новосибирск, 630090</p></bio><bio xml:lang="en"><p>Sergey V. Kulemzin, Cand. Sci. (Biol.)</p><p>8/2 Academician Lavrentyev Ave, Novosibirsk 630090</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/0000-0003-3176-6386</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Макарова</surname><given-names>М. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Makarova</surname><given-names>M. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Макарова Марина Николаевна, д-р мед. наук </p><p>ул. Заводская, д. 3, корп. 245, г.п. Кузьмоловский, Всеволожский район, Ленинградская область, 188663</p></bio><bio xml:lang="en"><p>Marina N. Makarova, Dr. Sci. (Med.)</p><p>3/245 Zavodskaya St., Kuzmolovsky urban-type settlement, Vsevolozhsky district, Leningrad region 188663</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/0000-0002-2447-7888</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Макаров</surname><given-names>В. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Makarov</surname><given-names>V. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Макаров Валерий Геннадьевич, д-р мед. наук </p><p>ул. Заводская, д. 3, корп. 245, г.п. Кузьмоловский, Всеволожский район, Ленинградская область, 188663</p></bio><bio xml:lang="en"><p>Valery G. Makarov, Dr. Sci. (Med.)</p><p>3/245 Zavodskaya St., Kuzmolovsky urban-type settlement, Vsevolozhsky district, Leningrad region 188663</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Акционерное общество «Научно-производственное объединение «ДОМ ФАРМАЦИИ»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Research-and-manufacturing company “HOME OF PHARMACY”</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Федеральное государственное бюджетное учреждение науки Институт молекулярной и клеточной биологии Сибирского отделения Российской академии наук</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Institute of Molecular and Cellular Biology, Siberian Branch of the Russian Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>19</day><month>12</month><year>2025</year></pub-date><volume>25</volume><issue>4</issue><fpage>389</fpage><lpage>399</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Барыбина Т.Н., Фаустова Н.М., Карлина М.В., Косман В.М., Солодков П.П., Кулемзин С.В., Макарова М.Н., Макаров В.Г., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Барыбина Т.Н., Фаустова Н.М., Карлина М.В., Косман В.М., Солодков П.П., Кулемзин С.В., Макарова М.Н., Макаров В.Г.</copyright-holder><copyright-holder xml:lang="en">Barybina T.N., Faustova N.M., Karlina M.V., Kosman V.M., Solodkov P.P., Kulemzin S.V., Makarova M.N., Makarov V.G.</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.biopreparations.ru/jour/article/view/672">https://www.biopreparations.ru/jour/article/view/672</self-uri><abstract><sec><title>ВВЕДЕНИЕ</title><p>ВВЕДЕНИЕ. Оценка фармакокинетики препаратов на основе моноклональных антител требует тщательного выбора релевантных моделей животных для обеспечения трансляционной значимости данных. Для решения этой проблемы проведена оценка фармакокинетических параметров двух человеческих моноклональных антител, нейтрализующих SARS-CoV-2, на двух видах лабораторных животных — сирийских хомяках и мышах.</p></sec><sec><title>ЦЕЛЬ</title><p>ЦЕЛЬ. Оценка фармакокинетических параметров моноклональных антител человека IgG1 каппа (МКАТ iC1 и МКАТ iB20), нейтрализующих SARS-CoV-2, после однократного внутривенного введения сирийским хомякам и аутбредным мышам линии ICR CD1.</p></sec><sec><title>МАТЕРИАЛЫ И МЕТОДЫ</title><p>МАТЕРИАЛЫ И МЕТОДЫ. Пилотное исследование выполнено на 15 самцах сирийских хомяков, которым однократно внутривенно вводили МКАТ iC1 в дозе 5 мг/кг. Отбор проб крови проводили до введения и в 10 временных точках в течение 144 ч. В основном исследовании мышам ICR CD1 (4 группы по 60 животных) однократно внутривенно вводили МКАТ iC1 и МКАТ iB20 в дозах 5 и 50 мг/кг. Отбор проб крови проводили до введения и в 11 временных точках в течение 504 ч. Концентрацию антител в сыворотке крови определяли методом иммуноферментного анализа (ИФА). Методики ИФА валидировали по следующим показателям: селективность, нижний предел количественного определения, калибровочный диапазон, правильность, прецизионность, стабильность аналита. Фармакокинетические параметры (максимальная концентрация — Cmax, площадь под кривой «концентрация — время» — AUC0–t, среднее время удерживания — MRT, период полувыведения — T1/2, клиренс — Cl) рассчитывали внемодельным методом статистических моментов.</p></sec><sec><title>РЕЗУЛЬТАТЫ</title><p>РЕЗУЛЬТАТЫ. Валидированы методики иммуноферментного определения МКАТ iC1 и iB20 в сыворотке крови мышей в аналитическом диапазоне 1,25–25,0 и 1,5–20,0 мкг/мл соответственно. Параметры Cmax, AUC0–t, AUC0–∞ статистически значимо возрастали с увеличением дозы для обоих антител. После введения мышам МКАТ iC1 в дозах 5 и 50 мг/кг значения Cmax составили около 235 и 1228 мкг/мл, AUC0–t — 6458 и 71 193 ч×мкг/мл. Для МКАТ iB20 значения Cmax составили около 359 и 4442 мкг/кг, AUC0–t — 6344 и 76 251 ч×мкг/мл соответственно. Параметры MRT и T1/2 не зависели от введенной дозы. В совокупности с низкими значениями клиренса это свидетельствует о длительной циркуляции аналитов в системном кровотоке.</p></sec><sec><title>ВЫВОДЫ</title><p>ВЫВОДЫ. Определены фармакокинетические параметры МКАТ iC1 и iB20 при однократном введении сирийским хомякам и мышам ICR CD1. Установлена дозозависимость ключевых параметров (Cmax, AUC0–t). Полученные результаты служат основанием для дальнейшей доклинической и клинической разработки препаратов.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>INTRODUCTION</title><p>INTRODUCTION. Еvaluation of pharmacokinetics of monoclonal antibodies (mAb) products requires careful selection of the relevant animal models to ensure translational relevance of the data. To solve this problem, the pharmacokinetic parameters of two human monoclonal antibodies neutralising SARS-CoV-2 were evaluated in two types of laboratory animals — Syrian hamsters and mice.</p></sec><sec><title>AIM</title><p>AIM. This study aimed to evaluate the pharmacokinetic parameters of two different human IgG1 kappa antibodies (mAb iC1 and mAb iB20) neutralising SARS-CoV-2 after a single intravenous administration to Syrian hamsters and ICR CD1 outbred mice.</p></sec><sec><title>MATERIALS AND METHODS</title><p>MATERIALS AND METHODS. A pilot study was performed on 15 male Syrian hamsters who received a single 5 mg/kg intravenous dose of mAb iC1. Blood samples were collected prior to administration and at 10 time points for 144 hours. In the main study, ICR CD1 mice (4 groups of 60 animals) received single intravenous doses of mAb iC1 and mAb iB20 at doses of 5 and 50 mg/kg. Blood samples were collected prior to administration and at 11 time points for 504 hours. Serum antibody concentrations were determined by enzyme-linked immunosorbent assay (ELISA). The ELISA assay was validated by following parameters: selectivity, lower limit of quantitation, calibration range, accuracy, precision, and analyte stability. Pharmacokinetic parameters — mean maximum concentration (Cmax), area under the curve (AUC0–t), mean residence time (MRT), half-life (T1/2), and clearance (Cl) — were calculated using model-independent method of statistical moments.</p></sec><sec><title>RESULTS</title><p>RESULTS. The ELISA assays for mAb iC1 and mAb iB20 in animal blood serum were validated in the analytical range of 1.25–25.0 μg/mL and 1.25–20.0 μg/mL, respectively. Cmax, AUC0–t, and AUC0–∞ increased significantly with the dose for both antibodies. After administration of 5 and 50 mg/kg mAb iC1 to mice the mean Cmax values were about 235 and 1228 μg/mL, AUC0–t — 6458 and 71,193 h×μg/mL. For mAb iB20 Cmax values were about 359 and 4442 μg/kg, AUC0–t — 6344 and 76,251 h×μg/mL, respectively. MRT and T1/2 values did not depend on the administered dose. Combined with low clearance values, this indicates long-term presence of analytes in the bloodstream.</p></sec><sec><title>CONCLUSIONS</title><p>CONCLUSIONS. Pharmacokinetic parameters of mAb iC1 and mAb iB20 were determined after single administration to Syrian hamsters and ICR CD1 mice. Key parameters (Cmax, AUC0–t) were found to be dose-dependent. The obtained results can be used for further preclinical and clinical development of the medicinal products.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>моноклональные антитела</kwd><kwd>IgG1 каппа</kwd><kwd>SARS-CoV-2</kwd><kwd>нейтрализующие антитела</kwd><kwd>фармакокинетика</kwd><kwd>фармакокинетические параметры</kwd><kwd>иммуноферментный анализ</kwd><kwd>ИФА</kwd><kwd>валидация методик</kwd><kwd>мыши линии ICR/CD-1</kwd><kwd>сирийские хомяки</kwd></kwd-group><kwd-group xml:lang="en"><kwd>monoclonal antibodies</kwd><kwd>IgG1 kappa</kwd><kwd>SARS-CoV-2</kwd><kwd>neutralising antibodies</kwd><kwd>pharmacokinetics</kwd><kwd>pharmacokinetic parameters</kwd><kwd>enzyme-linked immunosorbent assay</kwd><kwd>ELISA</kwd><kwd>method validation</kwd><kwd>ICR/CD-1 mice</kwd><kwd>Syrian hamsters</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа поддержана Министерством науки и высшего образования Российской Федерации (Соглашение № 075-15-2021-1086).</funding-statement><funding-statement xml:lang="en">The research was supported by the Ministry of Science and Higher Education of the Russian Federation (Contract No. 075-15-2021-1086).</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">Смолянова ТИ, Багаева НС, Колганова МА и др. 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