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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">10.33380/2305-2066-2023-12-4-1598</article-id><article-id custom-type="elpub" pub-id-type="custom">pharmjournal-1667</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>ФАРМАЦЕВТИЧЕСКАЯ ТЕХНОЛОГИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>PHARMACEUTICAL TECHNOLOGY</subject></subj-group></article-categories><title-group><article-title>Разработка лиофилизатов на основе полимер-лекарственного и интерполиэлектролитного комплексов: фармакокинетическая оценка</article-title><trans-title-group xml:lang="en"><trans-title>Development of Lyophilisates Based on Polymer-drug and Interpolyelectrolyte Complexes: Pharmacokinetic Assessment</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-3690-8905</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Тимергалиева</surname><given-names>В. Р.</given-names></name><name name-style="western" xml:lang="en"><surname>Timergalieva</surname><given-names>V. R.</given-names></name></name-alternatives><bio xml:lang="ru"><p>420126, Республика Татарстан, г. Казань, ул. Фатыха Амирхана, д. 16</p></bio><bio xml:lang="en"><p>16, Fatykha Amirkhan str., Kazan, Republic of Tatarstan, 420126</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/0000-0002-0192-4585</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ситенков</surname><given-names>А. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Sitenkov</surname><given-names>A. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>420126, Республика Татарстан, г. Казань, ул. Фатыха Амирхана, д. 16</p></bio><bio xml:lang="en"><p>16, Fatykha Amirkhan str., Kazan, Republic of Tatarstan, 420126</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/0000-0001-8179-4516</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ситенкова (Буховец)</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Sitenkova (Bukhovets)</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>420126, Республика Татарстан, г. Казань, ул. Фатыха Амирхана, д. 16</p></bio><bio xml:lang="en"><p>16, Fatykha Amirkhan str., Kazan, Republic of Tatarstan, 420126</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/0000-0001-9264-9576</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Елизарова</surname><given-names>Е. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Elizarova</surname><given-names>E. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>420126, Республика Татарстан, г. Казань, ул. Фатыха Амирхана, д. 16</p></bio><bio xml:lang="en"><p>16, Fatykha Amirkhan str., Kazan, Republic of Tatarstan, 420126</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/0009-0000-8591-3121</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Гордеева</surname><given-names>Д. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Gordeeva</surname><given-names>D. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>420126, Республика Татарстан, г. Казань, ул. Фатыха Амирхана, д. 16</p></bio><bio xml:lang="en"><p>16, Fatykha Amirkhan str., Kazan, Republic of Tatarstan, 420126</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/0000-0003-3515-0845</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Сёмина</surname><given-names>И. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Semina</surname><given-names>I. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>420126, Республика Татарстан, г. Казань, ул. Фатыха Амирхана, д. 16</p></bio><bio xml:lang="en"><p>16, Fatykha Amirkhan str., Kazan, Republic of Tatarstan, 420126</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/0000-0002-0916-2853</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Мустафин</surname><given-names>Р. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Moustafine</surname><given-names>R. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>420126, Республика Татарстан, г. Казань, ул. Фатыха Амирхана, д. 16</p></bio><bio xml:lang="en"><p>16, Fatykha Amirkhan str., Kazan, Republic of Tatarstan, 420126</p></bio><email xlink:type="simple">ruslan.mustafin@kazangmu.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Институт фармации, федеральное государственное бюджетное образовательное учреждение высшего образования Казанский государственный медицинский университет Минздрава России<country>Россия</country></aff><aff xml:lang="en">Institute of Pharmacy, Kazan State Medical University<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>24</day><month>11</month><year>2023</year></pub-date><volume>12</volume><issue>4</issue><fpage>181</fpage><lpage>188</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Тимергалиева В.Р., Ситенков А.Ю., Ситенкова (Буховец) А.В., Елизарова Е.С., Гордеева Д.С., Сёмина И.И., Мустафин Р.И., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Тимергалиева В.Р., Ситенков А.Ю., Ситенкова (Буховец) А.В., Елизарова Е.С., Гордеева Д.С., Сёмина И.И., Мустафин Р.И.</copyright-holder><copyright-holder xml:lang="en">Timergalieva V.R., Sitenkov A.Y., Sitenkova (Bukhovets) A.V., Elizarova E.S., Gordeeva D.S., Semina I.I., Moustafine R.I.</copyright-holder><license 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/1667">https://www.pharmjournal.ru/jour/article/view/1667</self-uri><abstract><sec><title>Введение</title><p>Введение. Диспергируемые в ротовой полости лекарственные формы являются одним из новых направлений в области системы доставки лекарств. К такому виду лекарственных форм относятся пероральные лиофилизаты, которые получают методом лиофильной сушки предварительно приготовленной смеси, содержащей активный фармацевтический ингредиент (АФИ), наполнитель и другие вспомогательные вещества. Данная лекарственная форма (ЛФ) обеспечивает немедленное высвобождение АФИ в ротовой полости, используя при этом небольшое количество вспомогательных веществ.</p></sec><sec><title>Цель</title><p>Цель. Фармакокинетическая оценка лиофилизатов с использованием полимер-лекарcтвенного комплекcа Eudragit® E PO / ибупрофен (ПЛК ЕРО-ИБ) и интерполиэлектролитного комплекcа (ИПЭК) Carbopol® Ultrez 10 / Eudragit® E PO (ИПЭК С10/EPO) с метронидазолом (МТЗ).</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. Были получены лиофилизаты следующих составов: 1) 100 мг МТЗ и 50 мг ИПЭК С10/EPO или 2) 100 мг ПЛК ЕРО-ИБ. Готовили дисперсию на основе первого или второго состава в 50%-м сиропе мальтодекстрина, в качестве ПАВ использовали Спан®-80 (1,42 % от общей массы смеси). Полученную дисперсию переносили в блистеры для таблеток, замораживали в лабораторной сушилке FreeZone 1L (Labconco, США) при температуре –49 °С, при давлении 0,350 мбар (время сушки – одни сутки). Для фармакокинетических исследований кроликам породы Советская шиншилла натощак в форме таблетки защечно вводили по одному лиофилизату, содержащему ПЛК ЕРО/ИБ или ИПЭК С10/EPO с МТЗ, в качестве сравнения использовали субстанции ИБ (50 мг) и МТЗ (100 мг), приготовленные в виде водной взвеси. Концентрацию АФИ определяли в сыворотке крови кроликов. Для этого использовали высокоэффективную жидкостную хроматографию (ВЭЖХ), эксперимент проводили на приборе хроматограф LC-20 Prominence (Shimadzu Corporation, Япония), использовался УФ-детектор. Были рассчитаны параметры фармакокинетики, метод – модельно-независимый. Использовалась программа Thermo Kinetika TM (version 5.0, Build 5.00.11, Thermo Fisher Scientific, США).</p></sec><sec><title>Результаты и обсуждение</title><p>Результаты и обсуждение. Максимальная концентрация ибупрофена из ПЛК ЕРО/ИБ достигается в течение первого часа после перорального введения. Второй пик на профилях показывает всасывание оставшейся доли АФИ в кровь из желудочно-кишечного тракта (ЖКТ) как в случае ПЛК ЕРО/ИБ, так и в случае ИБ из субстанции. Относительная биодоступность ПЛК ЕРО/ИБ составила Frel = 86,06 %. Лиофилизаты на основе ИПЭК C10/EPO обеспечивают максимальную концентрацию МТЗ через 30 минут (Сmax = 4,659 мкг/мл). Относительная биодоступность составила Frel = 107,6 %.</p></sec><sec><title>Заключение</title><p>Заключение. Согласно проведенным исследованиям, максимальная концентрация ИБ и МТЗ достигается в течение первого часа после перорального введения лиофилизатов, содержащих ПЛК ЕРО-ИБ и ИПЭК С10/EPO. Всасывание лекарственных веществ в полости рта происходит благодаря компонентам, входящим в состав диспергируемой ЛФ, а также наличию сополимера ЕРО, ПЛК и ИПЭК, которые способны задерживаться на слизистой оболочке полости рта ввиду выраженных мукоадгезивных свойств. Таким образом, проведенные фармакокинетические исследования ИБ и МТЗ из полученных лиофилизатов доказывают перспективность полученных форм для систем с немедленным высвобождением.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Introduction</title><p>Introduction. Orally dispersible dosage forms are one of the new trends in the field of drug delivery systems. One type of such dosage forms is oral lyophilisates that are obtained by freeze-drying a pre-prepared mixture containing the active pharmaceutical ingredient (API) and excipients. This dosage form provides immediate release of the active pharmaceutical ingredient in the oral cavity using a less amount of excipients.</p></sec><sec><title>Aim</title><p>Aim. Pharmacokinetic studies of previously obtained lyophilisates based on the polymer-drug complex Eudragit® E PO / ibuprofen (PDC EPO-IB) and the interpolyelectrolyte complex (IPEC) Carbopol® Ultrez 10 / Eudragit® E PO (IPEC C10/EPO) and metronidazole.</p></sec><sec><title>Materials and methods</title><p>Materials and methods. Lyophilisates of the following compositions were obtained: 1) 100 mg of metronidazole and 50 mg of IPEC C10/EPO or 2) 100 mg of PDC EPO-IB, the first or second composition of the carrier with API was dispersed in 50 % maltodextrin syrup, Span®80 was added – 1.42 % from the total mass of the mixture. The mixture was poured into blisters for tablets, frozen in a FreeZone 1L laboratory dryer (Labconco, USA) for 24 hours at a temperature of –49 °C, and the main drying was carried out at a pressure of 0.350 mbar. Soviet Chinchilla rabbits were administered one lyophilisate containing PDC EPO/IB or IPEC C10/EPO with metronidazole; the substances ibuprofen (50 mg) and metronidazole (100 mg) were used as reference drugs. The concentration of API was determined by high-performance liquid chromatography (HPLC) on an LC-20 Prominence chromatograph (Shimadzu Corporation, Japan) with UV detection. Pharmacokinetic parameters were calculated using a model-independent method using the Thermo KinetikaTM (version 5.0, Build 5.00.11, Thermo Fisher Scientific, USA) program.</p></sec><sec><title>Results and discussion</title><p>Results and discussion. According to the obtained pharmacokinetic profiles, the maximum concentration of ibuprofen from EPO/IB PDC is achieved within the first hour after oral administration. The second peak in the profiles shows the absorption of the remaining portion of the API into the blood from the gastrointestinal tract (GIT), both in the case of EPO/IB PDC and in the case of ibuprofen from the substance. The relative bioavailability of EPO/IB PDC was Frel = 86.06 %. Lyophilisates based on IPEC C10/EPO provide the maximum concentration of metronidazole after 30 minutes (Cmax = 4.659 μg/ml). Relative bioavailability was Frel = 107.6 %.</p></sec><sec><title>Conclusion</title><p>Conclusion. According to studies, the maximum concentration of ibuprofen and metronidazole is achieved within the first hour after oral administration of lyophilisates containing PDC EPO-IB and IPEC C10/EPO. Absorption of medicinal substances in the oral cavity occurs due to the components included in the dispersible dosage form, as well as due to the presence of a ЕРО copolymer, PDC and an IPEC, which are able to linger on the oral mucosa due to the presence of mucoadhesive properties. Thus, the pharmacokinetic studies of ibuprofen and metronidazole from the obtained lyophilisates prove the suitability of the obtained forms for immediate release systems.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>диспергируемые лекарственные формы</kwd><kwd>лиофилизат</kwd><kwd>интерполиэлектролитный комплекс</kwd><kwd>полимер-лекарственный комплекс (ПЛК)</kwd><kwd>ибупрофен</kwd><kwd>метронидазол</kwd><kwd>фармакокинетическая оценка</kwd></kwd-group><kwd-group xml:lang="en"><kwd>orodispersible dosage forms</kwd><kwd>lyophilisate</kwd><kwd>interpolyelectrolyte complex</kwd><kwd>polymer-drug complex</kwd><kwd>ibuprofen</kwd><kwd>metronidazole</kwd><kwd>pharmacokinetic assessment</kwd></kwd-group><funding-group xml:lang="ru"><funding-statement>Исследование выполнено при финансовой поддержке Российского научного фонда (научный проект № 23-15-00263).</funding-statement></funding-group><funding-group xml:lang="en"><funding-statement>The study was carried out with the financial support of the Russian Science Foundation (RSF) in the framework of research project No 23-15-00263.</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">Sharma S., Singh K. 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