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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">10.33380/2305-2066-2024-13-1-1531</article-id><article-id custom-type="elpub" pub-id-type="custom">pharmjournal-1757</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>Опыт проведения валидации методики оценки нейтрализующих антител ромиплостима в плазме крови человека</article-title><trans-title-group xml:lang="en"><trans-title>Experimental Validation a Method for Assessing Neutralizing Antibodies of Romiplostim in Human Plasma</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1443-4294</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Афанасьева</surname><given-names>А. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Afanaseva</surname><given-names>A. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>198515, г. Санкт-Петербург, пос. Стрельна, ул. Связи, д. 34, лит. А</p></bio><bio xml:lang="en"><p>34A, Svyazi str., Strelna village, Saint-Petersburg, 198515</p></bio><email xlink:type="simple">Alina.Afanaseva@geropharm.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/0000-0002-8445-1129</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Сапарова</surname><given-names>В. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Saparova</surname><given-names>V. B.</given-names></name></name-alternatives><bio xml:lang="ru"><p>198515, г. Санкт-Петербург, пос. Стрельна, ул. Связи, д. 34, лит. А; 127473, г. Москва, ул. Делегатская, д. 20, стр. 1</p></bio><bio xml:lang="en"><p>34A, Svyazi str., Strelna village, Saint-Petersburg, 198515; 20/1, Delegatskaya str., Moscow, 127473</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/0000-0003-2308-0608</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Макаренко</surname><given-names>И. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Makarenko</surname><given-names>I. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>198515, г. Санкт-Петербург, пос. Стрельна, ул. Связи, д. 34, лит. А; 127473, г. Москва, ул. Делегатская, д. 20, стр. 1</p></bio><bio xml:lang="en"><p>34A, Svyazi str., Strelna village, Saint-Petersburg, 198515; 20/1, Delegatskaya str., Moscow, 127473</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/0000-0001-7073-311X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Сельменских</surname><given-names>Т. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Selmenskikh</surname><given-names>T. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>198515, г. Санкт-Петербург, пос. Стрельна, ул. Связи, д. 34, лит. А</p></bio><bio xml:lang="en"><p>34A, Svyazi str., Strelna village, Saint-Petersburg, 198515</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/0000-0002-1116-3425</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Куркин</surname><given-names>Д. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Kurkin</surname><given-names>D. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>127473, г. Москва, ул. Делегатская, д. 20, стр. 1</p></bio><bio xml:lang="en"><p>20/1, Delegatskaya str., Moscow, 127473</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/0000-0002-0032-0341</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Хохлов</surname><given-names>А. Л.</given-names></name><name name-style="western" xml:lang="en"><surname>Hohlov</surname><given-names>A. L.</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, Revolyucionnaya str., Yaroslavl, 150000</p></bio><xref ref-type="aff" rid="aff-4"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4594-6097</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Драй</surname><given-names>Р. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Drai</surname><given-names>R. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>198515, г. Санкт-Петербург, пос. Стрельна, ул. Связи, д. 34, лит. А</p></bio><bio xml:lang="en"><p>34A, Svyazi str., Strelna village, Saint-Petersburg, 198515</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Закрытое акционерное общество «Фарм-Холдинг»</institution></aff><aff xml:lang="en"><institution>Closed Joint Stock Company "Pharm-Holding"</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Закрытое акционерное общество «Фарм-Холдинг»; Федеральное государственное бюджетное образовательное учреждение высшего образования «Московский государственный медико-стоматологический университет имени А. И. Евдокимова» Министерства здравоохранения Российской Федерации (ФГБОУ ВО МГМСУ им. А. И. Евдокимова Минздрава России)</institution></aff><aff xml:lang="en"><institution>Closed Joint Stock Company "Pharm-Holding"; Federal State Budgetary Educational Institution of Higher Education "A. I. Yevdokimov Moscow State University of Medicine and Dentistry" of the Ministry of Healthcare of the Russion Federation</institution></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Федеральное государственное бюджетное образовательное учреждение высшего образования «Московский государственный медико-стоматологический университет имени А. И. Евдокимова» Министерства здравоохранения Российской Федерации (ФГБОУ ВО МГМСУ им. А. И. Евдокимова Минздрава России)</institution></aff><aff xml:lang="en"><institution>Federal State Budgetary Educational Institution of Higher Education "A. I. Yevdokimov Moscow State University of Medicine and Dentistry" of the Ministry of Healthcare of the Russion Federation</institution></aff></aff-alternatives><aff-alternatives id="aff-4"><aff xml:lang="ru"><institution>Федеральное государственное бюджетное образовательное учреждение высшего образования "Ярославский государственный медицинский университет" Министерства здравоохранения Российской Федерации</institution></aff><aff xml:lang="en"><institution>Federal State Budgetary Educational Institution of Higher Education "Yaroslavl State Medical University" of the Ministry of Healthcare of the Russian Federation</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>20</day><month>02</month><year>2024</year></pub-date><volume>13</volume><issue>1</issue><fpage>247</fpage><lpage>255</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Афанасьева А.Н., Сапарова В.Б., Макаренко И.Е., Сельменских Т.А., Куркин Д.В., Хохлов А.Л., Драй Р.В., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Афанасьева А.Н., Сапарова В.Б., Макаренко И.Е., Сельменских Т.А., Куркин Д.В., Хохлов А.Л., Драй Р.В.</copyright-holder><copyright-holder xml:lang="en">Afanaseva A.N., Saparova V.B., Makarenko I.E., Selmenskikh T.A., Kurkin D.V., Hohlov A.L., Drai R.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/1757">https://www.pharmjournal.ru/jour/article/view/1757</self-uri><abstract><sec><title>Введение</title><p>Введение. Ромиплостим представляет собой аналог пептида слитого белка тромбопоэтина (ТПО), который увеличивает количество тромбоцитов за счет связывания и активации человеческого рецептора ТПО. Используется для лечения тромбоцитопении, связанной с хронической иммунной тромбоцитопенией. Для ромиплостима одной из возможных нежелательных реакций со стороны иммунной системы является иммуногенность – выработка противолекарственных антител к препарату, в том числе нейтрализующих антител, которые могут влиять на эффективность и профиль безопасности препарата.</p></sec><sec><title>Цель</title><p>Цель. Валидировать методику определения нейтрализующих антител к ромиплостиму в плазме крови человека для дальнейшего проведения клинических исследований иммуногенности.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. В исследовании были использованы поликлональные антитела кролика к ромиплостиму, в качестве стандартного образца брали Энплейт® производства Amgen Europe, для оценки специфичности брали плацебо производства ООО «ГЕРОФАРМ», клеточная линия 32D-hTPOR clone 63 со стабильной экспрессией TPO-рецептора человека и набор для определения хемилюминесценции CellTiter-Glo® Luminescent Cell Viability Assay от Promega. Эксперимент проводили на клеточной линии 32D-hTPOR clone 63, которую рассевали в первый день и вносили раститровку концентраций нейтрализующих антител с константной концентрацией ромиплостима, затем на второй день детектировали хемилюминесценцию. Статистическую обработку полученных результатов проводили с использованием программного обеспечения Prism 9.</p></sec><sec><title>Результаты и обсуждение</title><p>Результаты и обсуждение. Продемонстрированы показатели специфичности методики; в максимальной концентрации препарат отличается от плацебо в 309 раз по остаточному уровню жизнеспособности клеток. Линейность методики по коэффициенту детерминации 0,9969. Определена прецизионность методики: сходимость составила 1–9 %, внутрилабораторная прецизионность – 3–18 %. Коэффициент вариации селективности методики составил 22 %. Для параметра «правильность» определены значения «внесено/найдено» на уровне 90–101 %. Доказано отсутствие эффекта матрицы.</p></sec><sec><title>Заключение</title><p>Заключение. Можно утверждать, что методика является линейной, специфичной, высокопрецизионной, правильной, селективной и с доказанным отсутствием эффекта матрицы, что позволяет применять ее для определения иммуногенности препаратов ромиплостим при проведении клинических исследований.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Introduction</title><p>Introduction. Romiplostim is an analogue of the fusion protein peptide of thrombopoietin (TPO), which increases platelet count by binding and activating the human thrombopoietin receptor (TPO-R). It is used to treat thrombocytopenia associated with chronic immune thrombocytopenia. For romiplostim, one of the possible adverse reactions from the immune system is immunogenicity: the production of anti-drug antibodies to the medicinal product, including neutralising antibodies, which may affect the efficacy and safety profile of the medicinal product.</p></sec><sec><title>Aim</title><p>Aim. Validate the procedure for determining neutralising antibodies to romiplostim in human plasma for further clinical studies of immunogenicity.</p></sec><sec><title>Materials and methods</title><p>Materials and methods. The study used rabbit polyclonal antibodies to romiplostim, Nplate® produced by Amgen Europe as a standard sample; a placebo produced by LLC "GEROPHARM", a cell line 32D-hTPOR clone 63 with stable expression of human TPO receptor and a chemiluminescence assay kit CellTiter-Glo® Luminescent Cell Viability Assay produced by Promega to assess specificity. The experiment was carried out on cell line 32D-hTPOR clone 63, which was seeded on the first day and the neutralizing antibody concentrations were titrated with a constant concentration of romiplostim, then the chemiluminescence was detected on the second day. Statistical processing of the results was carried out using Prism 9 software.</p></sec><sec><title>Result and discussion</title><p>Result and discussion. The specificity of the procedure was demonstrated; at maximum concentration, the medicinal product differs from placebo by 309 times in the residual level of cell viability. The linearity of the procedure in terms of the coefficient determination is 0.9969. The precision of the procedure was determined: the repeatability was 1–9 %, the intermediate precision was 3–18 %. The coefficient of variation in selectivity of the procedure was 22 %. For the accuracy parameter, the values for recovery/spike were determined as 90–101 %. It was proven that there was no matrix effect.</p></sec><sec><title>Conclusion</title><p>Conclusion. It can be stated that the procedure is linear, specific, highly precise, correct, selective and with a proven absence of matrix effect, which allows it to be used to determine the immunogenicity of romiplostim medicinal products in clinical studies.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>антитела к лекарственному препарату</kwd><kwd>биоаналог</kwd><kwd>исследования нейтрализующих антител</kwd><kwd>клинические испытания иммуногенности</kwd><kwd>валидация</kwd><kwd>определение жизнеспособности клеток</kwd><kwd>антитела к ромиплостиму</kwd></kwd-group><kwd-group xml:lang="en"><kwd>anti-drug antibodies</kwd><kwd>biosimilar</kwd><kwd>neutralizing antibody studies</kwd><kwd>clinical studies of immunogenicity</kwd><kwd>validation</kwd><kwd>cell viability determination</kwd><kwd>antibodies to romiplostim</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена при финансовой поддержке ООО «ГЕРОФАРМ». Спонсор не оказывал влияния на ход исследования и интерпретацию результатов.</funding-statement><funding-statement xml:lang="en">The work was carried out with the financial support of LLC "GEROPHARM". The sponsor had no influence on the course of the study or interpretation of the results.</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">Kayal L., Jayachandran S., Singh K. Idiopathic thrombocytopenic purpura. Contemporary Clinical Dentistry. 2014;5(3):410–414. DOI: 10.4103/0976-237X.137976.</mixed-citation><mixed-citation xml:lang="en">Kayal L., Jayachandran S., Singh K. Idiopathic thrombocytopenic purpura. Contemporary Clinical Dentistry. 2014;5(3):410–414. DOI: 10.4103/0976-237X.137976.</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">Provan D., Arnold D. M., Bussel J. 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