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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">phkinetica</journal-id><journal-title-group><journal-title xml:lang="ru">Фармакокинетика и Фармакодинамика</journal-title><trans-title-group xml:lang="en"><trans-title>Pharmacokinetics and Pharmacodynamics</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2587-7836</issn><issn pub-type="epub">2686-8830</issn><publisher><publisher-name>ООО «Издательство ОКИ»</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.37489/2587-7836-2023-3-12-18</article-id><article-id custom-type="elpub" pub-id-type="custom">phkinetica-377</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 ИССЛЕДОВАНИЯ ФАРМАКОКИНЕТИКИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>PRECLINICAL PHARMACOKINETIC STUDIES</subject></subj-group></article-categories><title-group><article-title>Фармакокинетика димерного дипептидного миметика фактора роста нервов ГК-2 у крыс. Часть 1. Однократное и многократное внутрисосудистое и внесосудистое введение. Проверка гипотезы линейности фармакокинетики</article-title><trans-title-group xml:lang="en"><trans-title>Pharmacokinetics of dimeric dipeptide mimetic of nerve growth factor GC-2 in rats. Part 1. Single and multiple intravascular and extravascular administration. Testing the hypothesis of linearity of pharmacokinetics</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0693-2007</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кравцова</surname><given-names>О. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Kravtsova</surname><given-names>O. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кравцова Оксана Юрьевна - к. б. н., с. н. с. лаборатории фармакокинетики</p><p>Москва</p></bio><bio xml:lang="en"><p>Oxana Yu. Kravtsova - PhD, Cand. Sci. (Biology), senior research scientist of the laboratory of pharmacokinetics</p><p>Moscow</p></bio><email xlink:type="simple">oukravtsova@yahoo.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/0000-0002-4604-4346</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Грибакина</surname><given-names>О. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Gribakina</surname><given-names>O. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Грибакина Оксана Геннадьевна - к. б. н., н. с. лаборатории фармакокинетики</p><p>Москва</p></bio><bio xml:lang="en"><p>Oxana G. Gribakina - PhD, Cand. Sci. (Biology), research scientist of the laboratory of pharmacokinetics</p><p>Moscow</p></bio><email xlink:type="simple">pron-ox@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/0000-0002-2571-0047</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Колыванов</surname><given-names>Г. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Kolyvanov</surname><given-names>G. B.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Колыванов Геннадий Борисович - д. б. н., в. н. с. лаборатории фармакокинетики</p><p>Москва</p></bio><bio xml:lang="en"><p>Gennadiy B. Kolyvanov - Dr. Sci. in Biology, leading researcher of the laboratory of pharmacokinetics</p><p>Moscow</p></bio><email xlink:type="simple">7822535@mail.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/0000-0002-2818-3457</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Литвин</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Litvin</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Литвин Александр Алексеевич - д. б. н., в. н. с. лаборатории фармакокинетики</p><p>Москва</p></bio><bio xml:lang="en"><p>Alexander A. Litvin - Dr. Sci. in Biology, Leading researcher of the laboratory of pharmacokinetics</p><p>Moscow</p></bio><email xlink:type="simple">litbiopharm@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/0000-0001-8555-5969</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Бочков</surname><given-names>П. О.</given-names></name><name name-style="western" xml:lang="en"><surname>Bochkov</surname><given-names>P. O.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Бочков Павел Олегович - к. б. н., с. н. с. лаборатории фармакокинетики</p><p>Москва</p></bio><bio xml:lang="en"><p>Pavel O. Bochkov - PhD, Cand. Sci. (Biology), Senior Research Officer of laboratory pharmacokinetics</p><p>Moscow</p></bio><email xlink:type="simple">bok-of@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/0000-0003-3278-8915</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Поварнина</surname><given-names>П. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Povarnina</surname><given-names>P. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Поварнина Полина Юрьевна - к. б. н., с. н. с. лаборатории пептидных биорегуляторов отдела химии лекарственных средств</p><p>Москва</p></bio><bio xml:lang="en"><p>Polina Yu. Povarnina - PhD, Cand. Sci. (Biology), senior researcher of the Laboratory of peptide bioregulators of the Department of Chemistry of Medicines</p><p>Moscow</p></bio><email xlink:type="simple">povarnina@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/0000-0003-2710-7134</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Жердев</surname><given-names>В. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Zherdev</surname><given-names>V. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Жердев Владимир Павлович - д. м. н., профессор, заведующий лабораторией фармакокинетики</p><p>Москва</p></bio><bio xml:lang="en"><p>Vladimir P. Zherdev - Dr. Sci. (Med.), professor, Head of laboratory pharma-cokinetics</p><p>Moscow</p></bio><email xlink:type="simple">zherdevpharm@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБНУ «НИИ фармакологии имени В.В. Закусова»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>FSBI “Research Zakusov Institue of Pharmacology”</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>02</day><month>11</month><year>2023</year></pub-date><volume>0</volume><issue>3</issue><fpage>12</fpage><lpage>18</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Кравцова О.Ю., Грибакина О.Г., Колыванов Г.Б., Литвин А.А., Бочков П.О., Поварнина П.Ю., Жердев В.П., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Кравцова О.Ю., Грибакина О.Г., Колыванов Г.Б., Литвин А.А., Бочков П.О., Поварнина П.Ю., Жердев В.П.</copyright-holder><copyright-holder xml:lang="en">Kravtsova O.Y., Gribakina O.G., Kolyvanov G.B., Litvin A.A., Bochkov P.O., Povarnina P.Y., Zherdev V.P.</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.pharmacokinetica.ru/jour/article/view/377">https://www.pharmacokinetica.ru/jour/article/view/377</self-uri><abstract><p>Изучена фармакокинетика димерного дипептидного миметика фактора роста нервов ГК-2 в плазме крови крыс при разных путях введения в дозе 150 мг/кг одно- и многократно. После однократного внутривенного и внутрибрюшинного введений ГК-2 регистрировался на протяжении 2 ч, его период полувыведения составил 0,4 ч. Абсолютная биодоступность ГК-2 после однократного внутрибрюшинного введения составила 84,62 %, что говорит о перспективе разработки его инъекционной (внутримышечно) лекарственной формы. После 4-кратного (интервал дозирования 1,5 ч) введения внутрибрюшинно дозонезависимые фармакокинетические параметры ГК-2 практически не меняются по сравнению с однократным введением. Это указывает на то, что ГК-2 в организме крыс не кумулируется. Проведена проверка гипотезы линейности фармакокинетики ГК-2 в плазме крови крыс после однократного внутрибрюшинного введения в дозах: 50, 100 и 150 мг/кг. Установлено, что кинетика ГК-2 в плазме крови крыс линейна в изучаемом диапазоне доз.</p></abstract><trans-abstract xml:lang="en"><p>The pharmacokinetics of dimeric dipeptide mimetic of nerve growth factor GC-2 in the rat blood plasma after diﬀerent routes of administration was studied. The drug was administered at dose of 150 mg/kg by single and repeatedly. After single intravenous and intraperitoneal injection, GC-2 was detected for 2 h, its half-life was 0.4 h. GC-2 absolute bioavailability after single intraperitoneal injection was 84.62 %, that indicates the prospect of development its injectable (intramuscularly) dosage form. After 4-fold (1.5 h dosing interval) intraperitoneal injection dose-independent pharmacokinetic parameters of GC-2 practically do not change compared to single administration. This indicates that GC-2 is not accumulated in the body of rats. The hypothesis of the linearity of the pharmacokinetics of GC-2 in the rats blood plasma after single intraperitoneal administration at doses of 50, 100 and 150 mg/kg was tested. It was found that the kinetics of GC-2 in the rat blood plasma is linea.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>фактор роста нервов</kwd><kwd>димерный дипептидный миметик ГК-2</kwd><kwd>фармакокинетика</kwd><kwd>абсолютная биодоступность</kwd><kwd>линейность кинетики</kwd></kwd-group><kwd-group xml:lang="en"><kwd>nerve growth factor</kwd><kwd>dimeric dipeptide mimetic GK-2</kwd><kwd>preclinical pharmacokinetics</kwd><kwd>absolute bioavailability</kwd><kwd>linearity of kinetics</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">Пирадов М.А., Максимова М.Ю., Танашян М.М. Инсульт Пошаговая инструкция. 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