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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">phgenomics</journal-id><journal-title-group><journal-title xml:lang="ru">Фармакогенетика и фармакогеномика</journal-title><trans-title-group xml:lang="en"><trans-title>Pharmacogenetics and Pharmacogenomics</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2588-0527</issn><issn pub-type="epub">2686-8849</issn><publisher><publisher-name>LLC "Izdatelstvo OKI"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.37489/2686-8849-0015</article-id><article-id custom-type="edn" pub-id-type="custom">XAJHII</article-id><article-id custom-type="elpub" pub-id-type="custom">phgenomics-370</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>БЕЗОПАСНОСТЬ ЛЕКАРСТВ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>DRUG SAFETY</subject></subj-group></article-categories><title-group><article-title>Фармакогенетические аспекты межлекарственных взаимодействий у пациентов с инсультом (на примере гена CYP2C9)</article-title><trans-title-group xml:lang="en"><trans-title>Pharmacogenetic aspects of drug interactions in stroke patients (using the CYP2C9 gene as an example)</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6613-2485</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Воробьева</surname><given-names>Н. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Vorobyeva</surname><given-names>N. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Воробьева Надежда Александровна — д. м. н., профессор, зав. кафедрой клинической фармакологии и фармакотерапии </p><p>Архангельск</p></bio><bio xml:lang="en"><p>Nadezda A. Vorobyeva — Dr. Sci. (Med.), Professor, Head of the Department of Clinical Pharmacology and Pharmacotherapy</p><p>Arkhangelsk</p></bio><email xlink:type="simple">nadejdav0@gmail.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/0009-0007-5487-6867</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шарапова</surname><given-names>С. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Sharapova</surname><given-names>S. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Шарапова София Алексеевна — студент </p><p>Архангельск</p></bio><bio xml:lang="en"><p>Sofiia A. Sharapova — student</p><p>Arkhangelsk</p></bio><email xlink:type="simple">sharapova.sofia3059@yandex.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/0000-0003-3643-0515</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Воронцова</surname><given-names>А. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Vorontsova</surname><given-names>A. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Воронцова Александра Сергеевна — к. м. н., ассистент кафедры   клинической   фармакологии и фармакотерапии </p><p>Архангельск</p></bio><bio xml:lang="en"><p>Alexandra S. Vorontsova — Cand. Sci. (Med.), assistant at the Department of Clinical Pharmacology and Pharmacotherapy</p><p>Arkhangelsk</p></bio><email xlink:type="simple">baklab1gkb@yandex.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/0000-0002-3130-2920</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Харькова</surname><given-names>О. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Kharkova</surname><given-names>O. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Харькова Ольга Александровна — к. психол. н., доцент, доцент кафедры методологии научных исследований, декан факультета клинической психологии, социальной работы и адаптивной физической культуры</p><p>Архангельск</p></bio><bio xml:lang="en"><p>Olga A. Kharkova — Cand. Sci. (Psychol.), Associate Professor, Associate Professor of Research Methodology Department, Dean of the Faculty of Clinical Psychology, Social Work and Adaptive Physical Education</p><p>Arkhangelsk</p></bio><email xlink:type="simple">harkovaolga@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБОУ ВО «Северный государственный медицинский университет»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Northern State 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>15</day><month>08</month><year>2026</year></pub-date><volume>0</volume><issue>2</issue><fpage>106</fpage><lpage>116</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Воробьева Н.А., Шарапова С.А., Воронцова А.С., Харькова О.А., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Воробьева Н.А., Шарапова С.А., Воронцова А.С., Харькова О.А.</copyright-holder><copyright-holder xml:lang="en">Vorobyeva N.A., Sharapova S.A., Vorontsova A.S., Kharkova O.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.pharmacogenetics-pharmacogenomics.ru/jour/article/view/370">https://www.pharmacogenetics-pharmacogenomics.ru/jour/article/view/370</self-uri><abstract><sec><title>Актуальность</title><p>Актуальность. Безопасность фармакотерапии инсульта на фоне полипрагмазии приобретает первостепенное значение в современной клинической практике. Значительный вклад в лекарственную безопасность межлекарственных взаимодействий вносят генетические полиморфизмы генов цитохрома Р450, в том числе ген CYP2C9. Аллелями со сниженной функцией являются CYP2C9*2 (R144C, rs1799853) и CYP2C9*3 (I359L, rs1057910).</p></sec><sec><title>Цель</title><p>Цель. Анализ распределения частот аллелей и генотипов гена CYP2C9 (rs1057910, rs1799853) у пациентов с инсультом с учётом возможных межлекарственных взаимодействий в реальной клинической практике г. Архангельска.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. Проведено одномоментное исследование на выборке пациентов с диагностированным инсультом, госпитализированных в неврологическое отделение регионального сосудистого центра ГБУЗ АО «Первая городская клиническая больница им. Е. Е. Волосевич». Пациенты распределены на две группы: первично госпитализированные и повторно госпитализированные. Проведено исследование полиморфных вариантов гена CYP2C9: rs1057910 (Ile359Leu), rs1799853 (Arg144Cys) методом полимеразной цепной реакции в режиме реального времени на амплификаторе Bio-Rad CFX96 Touch.</p></sec><sec><title>Результаты</title><p>Результаты. В исследование включён 81 пациент в возрасте от 43 до 95 лет с диагностированным инсультом. Статистически значимые различия наблюдались по показателю уровня калия в крови 4,2 (3,865–4,615) в группе с первичной госпитализацией и 4,575 (4,31–4,845) в группе с повторной госпитализацией (р=0,022). В обеих группах выявлены носители низкофункциональных вариантов гена CYP2C9: Ile359Leu (rs1057910), Arg144Cys (rs1799853). Статистически значимых различий между аллельными вариантами гена CYP2C9 и частотой повторных госпитализаций не выявлено (р &gt;0,05). При анализе фармакотерапии в исследуемой выборке постинсультных пациентов выявлены потенциальные нежелательные межлекарственные взаимодействия клопидогрела и ацетилсалициловой кислоты как фактора риска развития побочных явлений.</p></sec><sec><title>Выводы</title><p>Выводы. Исследование, проведенное в условиях реальной клинической практики, демонстрирует важность внедрения фармакогенетического тестирования у пациентов с инсультом с позиции выявления потенциально возможных межлекарственных взаимодействий.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Relevance</title><p>Relevance. The safety of stroke pharmacotherapy against the background of polypharmacy is of paramount importance in modern clinical practice. Genetic polymorphisms of cytochrome P450 genes, including the CYP2C9 gene, significantly contribute to drug responses and drug-drug interactions. The alleles with reduced function are CYP2C9*2 (R144C, rs1799853) and CYP2C9*3 (I359L, rs1057910).</p></sec><sec><title>Objective</title><p>Objective. Analysis of the frequency distribution of alleles and genotypes of the CYP2C9 gene (rs1057910, rs1799853) in stroke patients, taking into account possible drug interactions in real clinical practice in Arkhangelsk.</p></sec><sec><title>Materials and methods</title><p>Materials and methods. A cross-sectional study was conducted on a sample of patients diagnosed with stroke, hospitalized in the neurology department of the regional vascular center of the First City Clinical Hospital named after E. E. Volosevich of the Arkhangelsk Region. Patients were divided into two groups: those initially hospitalized and those readmitted. Polymorphic variants of the CYP2C9 gene were studied: rs1057910 (Ile359Leu), rs1799853 (Arg144Cys) by real-time polymerase chain reaction using a Bio-Rad CFX96 Touch amplifier.</p></sec><sec><title>Results</title><p>Results. The study included 81 patients aged 43 to 95 years with a diagnosed stroke. Statistically significant differences were observed in the blood potassium level of 4.2 (3,865–4,615) in the group with primary hospitalization and 4,575 (4.31–4,845) in the group with repeated hospitalization (р=0,022). Carriers of low-functional variants of the CYP2C9 gene were identified in both groups: Ile359Leu (rs1057910), Arg144Cys (rs1799853). Statistically significant differences between the CYP2C9 gene allele variants and the frequency of repeated hospitalizations are not detected (p&gt;0.05). The analysis of pharmacotherapy in the study sample of post-stroke patients revealed potential undesirable drug interactions between clopidogrel and acetylsalicylic acid as a risk factor for side effects.</p></sec><sec><title>Conclusion</title><p>Conclusion. The study conducted in real clinical practice demonstrates the importance of introducing pharmacogenetic testing in stroke patients from the perspective of identifying potential drug interactions.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>безопасность фармакотерапии</kwd><kwd>полипрагмазия</kwd><kwd>межлекарственное взаимодействие</kwd><kwd>нежелательные реакции</kwd><kwd>фармакогенетика</kwd><kwd>ген CYP2C9</kwd><kwd>цитохром Р450</kwd><kwd>инсульт</kwd></kwd-group><kwd-group xml:lang="en"><kwd>safety of pharmacotherapy</kwd><kwd>polypharmacy</kwd><kwd>drug interactions</kwd><kwd>adverse reactions</kwd><kwd>pharmacogenetics</kwd><kwd>CYP2C9 gene</kwd><kwd>cytochrome P450</kwd><kwd>stroke</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">Курбанова Д.И. Клиническая фармакокинетика лекарственных средств и её значение для индивидуализации терапии. 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