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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">clinvest</journal-id><journal-title-group><journal-title xml:lang="ru">Качественная клиническая практика</journal-title><trans-title-group xml:lang="en"><trans-title>Kachestvennaya Klinicheskaya Praktika = Good Clinical Practice</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2588-0519</issn><issn pub-type="epub">2618-8473</issn><publisher><publisher-name>ООО «Издательство ОКИ</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.37489/2588-0519-GCP-0012</article-id><article-id custom-type="edn" pub-id-type="custom">IBFBTD</article-id><article-id custom-type="elpub" pub-id-type="custom">clinvest-841</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>КЛИНИЧЕСКИЙ СЛУЧАЙ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>CLINICAL CASE</subject></subj-group></article-categories><title-group><article-title>Описание серии клинических случаев совместного применения вальпроевой кислоты и меропенема у детей</article-title><trans-title-group xml:lang="en"><trans-title>Description of a clinical case series on the concomitant use of valproic acid and meropenem in children</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7656-1539</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Костылева</surname><given-names>М. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Kostyleva</surname><given-names>M. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Костылева Мария Николаевна — к. м. н., доцент кафедры клинической фармакологии им. Ю. Б. Белоусова; зав. отделением клинической фармакологии РДКБ</p><p>Москва</p></bio><bio xml:lang="en"><p>Maria N. Kostyleva — Cand. Sci. (Med.), Associate Professor of the Department of Clinical Pharmacology named after Yu. B. BelousovHead of the Department of Clinical Pharmacology at Russian Children’s Clinical Hospital — a Branch</p><p>Moscow</p></bio><email xlink:type="simple">kostyleva_m_n@rdkb.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/0000-0001-5769-0450</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Строк</surname><given-names>А. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Strok</surname><given-names>A. B.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Строк Алина Борисовна — к. м. н., доцент кафедры общей и клинической фармакологии, врач клинический фармаколог РДКБ</p><p>Москва</p></bio><bio xml:lang="en"><p>Alina B. Strok — Cand. Sci. (Med.), Associate Professor of the Department of General and Clinical Pharmacology at the Medical Institute; clinical pharmacologist</p><p>Moscow</p></bio><email xlink:type="simple">strok-ab@rudn.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4259-0945</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Теплова</surname><given-names>Н. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Teplova</surname><given-names>N. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Теплова Наталья Вадимовна — д. м. н., профессор, зав. кафедрой клинической фармакологии им. Ю. Б. Белоусова</p><p>Москва</p></bio><bio xml:lang="en"><p>Natalia V. Teplova — Dr. Sci. (Med.), professor, Head of the Department of Clinical Pharmacology named after Yu. B. Belousov</p><p>Moscow</p></bio><email xlink:type="simple">teplova.nv@yandex.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0002-2247-3266</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Умуткузина</surname><given-names>Д. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Umutkuzina</surname><given-names>D. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Умуткузина Динара Анисовна — ассистент кафедры клинической фармакологии им. Ю. Б. Белоусова</p><p>Москва</p></bio><bio xml:lang="en"><p>Dinara A. Umutkuzina — Assistant Professor of the Department of Clinical Pharmacology named after Yu. B. Belousov</p><p>Moscow</p></bio><email xlink:type="simple">umutkuzinada@gmail.ru</email><xref ref-type="aff" rid="aff-4"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Российская  детская  клиническая  больница — филиал  ФГАОУ  ВО  «Российский  национальный  исследовательский &#13;
медицинский  университет  им.  Н. И.  Пирогова»; ФГАОУ  ВО  «Российский  национальный  исследовательский  медицинский  университет  им.  Н. И. Пирогова»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Russian Children’s Clinical Hospital of N. I. Pirogov Russian National Research Medical University;N. I. Pirogov Russian National Research Medical University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Российская  детская  клиническая  больница — филиал  ФГАОУ  ВО  «Российский национальный  исследовательский &#13;
 медицинский  университет  им.  Н. И. Пирогова»; ФГАОУ  ВО  «Российский  университет  дружбы  народов  имени  Патриса  Лумумбы»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Russian Children’s Clinical Hospital of N. I. Pirogov Russian National Research Medical University; Peoples' Friendship University of Russia named after Patrice Lumumba</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>ФГАОУ  ВО  «Российский  национальный  исследовательский  медицинский  университет  им.  Н. И. Пирогова»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>N. I. Pirogov Russian National Research Medical University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-4"><aff xml:lang="ru"><institution>ФГАОУ  ВО  «Российский  национальный  исследовательский  медицинский  университет  им.  Н. И.  Пирогова»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>N. I. Pirogov Russian National Research Medical University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>30</day><month>03</month><year>2026</year></pub-date><volume>0</volume><issue>1</issue><fpage>23</fpage><lpage>31</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Костылева М.Н., Строк А.Б., Теплова Н.В., Умуткузина Д.А., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Костылева М.Н., Строк А.Б., Теплова Н.В., Умуткузина Д.А.</copyright-holder><copyright-holder xml:lang="en">Kostyleva M.N., Strok A.B., Teplova N.V., Umutkuzina D.A.</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.clinvest.ru/jour/article/view/841">https://www.clinvest.ru/jour/article/view/841</self-uri><abstract><sec><title>Актуальность</title><p>Актуальность. Вальпроевая кислота (ВК) широко применяется в педиатрической практике для лечения эпилепсии, однако характеризуется множественными фармакокинетическими взаимодействиями. Одним из клинически значимых является взаимодействие с карбапенемными антибиотиками, в частности с меропенемом, приводящее к снижению концентрации ВК в крови и риску ухудшения контроля над приступами. Данных о подобных взаимодействиях в педиатрической популяции ограниченное количество, что определяет актуальность данного исследования.</p></sec><sec><title>Цель</title><p>Цель. Изучить особенности совместного применения ВК и меропенема у детей с оценкой динамики концентрации препарата в крови и клинических проявлений эпилепсии.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. Проведён ретроспективный анализ двух клинических случаев детей, получавших комбинированную терапию ВК и меропенемом в условиях педиатрического стационара. Использовались данные терапевтического лекарственного мониторинга (ТЛМ) концентрации ВК в сыворотке крови, а также оценка частоты и характера эпилептических приступов по медицинской документации.</p></sec><sec><title>Результаты</title><p>Результаты. В обоих случаях отмечено значительное снижение концентрации ВК на фоне введения меропенема ниже терапевтического диапазона. Снижение уровня препарата сопровождалось клиническим ухудшением: увеличением частоты судорожных приступов в первом случае и появлением миоклоний во втором. После отмены меропенема и коррекции противоэпилептической терапии наблюдалась постепенная нормализация состояния и восстанов ление терапевтических концентраций ВК.</p></sec><sec><title>Выводы</title><p>Выводы. Совместное применение ВК и меропенема у детей приводит к значимому фармакокинетическому взаимодействию, снижающему эффективность противоэпилептической терапии. Рекомендуется избегать назначения карбапенемов пациентам, получающим ВК. В случаях необходимости комбинированной терапии обязателен регулярный ТЛМ для своевременной коррекции дозы или схемы лечения.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Relevance</title><p>Relevance. Valproic acid (VPA) is widely used in pediatric practice for the treatment of epilepsy; however, it is characterized by multiple pharmacokinetic interactions. One of the clinically significant interactions is with carbapenem antibiotics, particularly meropenem, leading to a decrease in blood VPA concentration and a risk of seizure control deterioration. Data on such interactions in the pediatric population are limited, which determines the relevance of this study.</p></sec><sec><title>Objective</title><p>Objective. To investigate the features of concomitant use of VPA and meropenem in children, assessing the dynamics of the drug's blood concentration and the clinical manifestations of epilepsy.</p></sec><sec><title>Materials and methods</title><p>Materials and methods. A retrospective analysis of two clinical cases of children receiving combined therapy with VPA and meropenem in a pediatric inpatient setting was conducted. Data from therapeutic drug monitoring (TDM) of serum VPA concentration were used, along with an assessment of the frequency and nature of epileptic seizures based on medical records.</p></sec><sec><title>Results</title><p>Results. In both cases, a significant decrease in VPA concentration below the therapeutic range was noted following the administration of meropenem. The decrease in drug levels was accompanied by clinical deterioration: an increase in the frequency of convulsive seizures in the first case and the emergence of myoclonus in the second. After discontinuation of meropenem and adjustment of antiepileptic therapy, gradual normalization of the condition and restoration of therapeutic VPA concentrations were observed.</p></sec><sec><title>Conclusions</title><p>Conclusions. Concomitant use of VPA and meropenem in children leads to a significant pharmacokinetic interaction that reduces the effectiveness of antiepileptic therapy. It is recommended to avoid prescribing carbapenems to patients receiving VPA. In cases where combined therapy is necessary, regular TDM is mandatory for timely dose or treatment regimen adjustment.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>вальпроевая кислота</kwd><kwd>меропенем</kwd><kwd>лекарственное взаимодействие</kwd><kwd>терапевтический лекарственный мониторинг</kwd><kwd>педиатрия</kwd><kwd>эпилепсия</kwd><kwd>карбапенемы</kwd><kwd>фармакокинетика</kwd><kwd>безопасность фармакотерапии</kwd></kwd-group><kwd-group xml:lang="en"><kwd>valproic acid</kwd><kwd>meropenem</kwd><kwd>drug interaction</kwd><kwd>therapeutic drug monitoring</kwd><kwd>pediatrics</kwd><kwd>epilepsy</kwd><kwd>carbapenems</kwd><kwd>pharmacokinetics</kwd><kwd>pharmacotherapy safety</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">Gu C, Zhang Y, Yuan F, et al. 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