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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">10.33380/2305-2066-2022-11-2-109-117</article-id><article-id custom-type="elpub" pub-id-type="custom">pharmjournal-1224</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 таблеток 4,4’-(пропандиамидо)дибензоата натрия, покрытых кишечнорастворимой оболочкой</article-title><trans-title-group xml:lang="en"><trans-title>Development of Enteric-coated Tablets of Sodium 4,4'-(propnadiamido)dibenzoate</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-9292-4240</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Коцур</surname><given-names>Ю. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Kotsur</surname><given-names>Ju. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>197376, г. Санкт-Петербург, ул. Проф. Попова, д. 14, лит. А</p></bio><bio xml:lang="en"><p>14A, Prof. Popov str., Saint-Petersburg, 197376</p></bio><email xlink:type="simple">uliya.kocur@spcpu.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/0000-0001-8077-2462</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Флисюк</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Flisyuk</surname><given-names>E. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>197376, г. Санкт-Петербург, ул. Проф. Попова, д. 14, лит. А</p></bio><bio xml:lang="en"><p>14A, Prof. Popov str., Saint-Petersburg, 197376</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/0000-0002-5483-6626</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Наркевич</surname><given-names>И. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Narcevich</surname><given-names>I. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>197376, г. Санкт-Петербург, ул. Проф. Попова, д. 14, лит. А</p></bio><bio xml:lang="en"><p>14A, Prof. Popov str., Saint-Petersburg, 197376</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБОУ ВО «Санкт-Петербургский государственный химико-фармацевтический университет» Министерства здравоохранения Российской Федерации (ФГБОУ ВО СПХФУ Минздрава России)</institution></aff><aff xml:lang="en"><institution>Saint-Petersburg State Chemical-Pharmaceutical University</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>30</day><month>05</month><year>2022</year></pub-date><volume>11</volume><issue>2</issue><fpage>109</fpage><lpage>117</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Коцур Ю.М., Флисюк Е.В., Наркевич И.А., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Коцур Ю.М., Флисюк Е.В., Наркевич И.А.</copyright-holder><copyright-holder xml:lang="en">Kotsur J.M., Flisyuk E.V., Narcevich I.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.pharmjournal.ru/jour/article/view/1224">https://www.pharmjournal.ru/jour/article/view/1224</self-uri><abstract><sec><title>Введение</title><p>Введение. Кишечнорастворимые покрытия обладают широким спектром функций: от защиты АФИ от неблагоприятного воздействия кислой среды желудка до направленной доставки в определенные отделы кишечника с целью увеличения эффективности ЛП. При разработке таких ЛФ особое внимание уделяют типу пленкообразующего полимера в составе покрытия, его растворимости и способности выдерживать прохождение через желудок.</p></sec><sec><title>Цель</title><p>Цель. Разработка таблеток на основе 4,4’-(пропандиамидо)дибензоата натрия, покрытых кишечнорастворимой оболочкой.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. Объектами исследования являлись таблетки-ядра 4,4’-(пропандиамидо)дибензоата натрия 60 мг и композиции для кишечнорастворимых покрытий. Равномерность распределения покрытий по таблеткам определяли по методике, разработанной на кафедре технологии ФГБОУ ВО СПХФУ Минздрава России, на основании уравнения Фоккера – Планка. Кинетику растворения таблеток, покрытых кишечнорастворимой оболочкой, изучали с использованием тестера растворения таблеток Erweka DT 626 (ERWEKA GmbH, Германия). Количество перешедшего в среду растворения вещества определяли при помощи спектрофотометра СФ-2000 (ООО «ОКБ Спектр», Россия).</p></sec><sec><title>Результаты и обсуждение</title><p>Результаты и обсуждение. Установлено, что все исследуемые покрытия распределяются по таблеткам равномерно. При изучении кинетики растворения таблеток установлено, что все покрытия обладают устойчивостью к воздействию кислой среды (0,1 М раствор хлористоводородной кислоты), однако в фосфатном буферном растворе наиболее высокая скорость высвобождения вещества из таблеток достигается с применением покрытия на основе сополимера метакриловой кислоты и этилакрилата типа В.</p></sec><sec><title>Заключение</title><p>Заключение. Разработаны таблетки на основе 4,4’-(пропандиамидо)дибензоата натрия, покрытые кишечнорастворимой оболочкой AquaPolish® P white 712.06E.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Introduction</title><p>Introduction. Enteric coat have a wide range of functions: from protecting the API from the adverse effects of the acidic environment of the stomach to targeted delivery to certain parts of the intestine in order to increase the effectiveness of the drug. When developing such dosage forms, special attention is paid to the type of film-forming polymer in the coating composition, its solubility and ability to withstand passage through the stomach.</p></sec><sec><title>Aim</title><p>Aim. Development of enteric-coated tablets based on sodium 4,4'-(prpoandiamido)dibenzoate.</p></sec><sec><title>Materials and methods</title><p>Materials and methods. The objects of the study were sodium 4,4'-(propanediamido)dibenzoate 60 mg core tablets and compositions for enteric coatings. The uniformity of distribution of coatings over tablets was determined by the method developed at the Department of Technology of Medicinal Forms of SPCPU on the basis of the Fokker–Planck equation. The dissolution kinetics of enteric-coated tablets was studied using an Erweka DT 626 tablet dissolution tester (ERWEKA GmbH, Germany). The amount of the substance that passed into the dissolution medium was determined using an SF-2000 spectrophotometer (LLC "OKB Spektr", Russia).</p></sec><sec><title>Results and discussion</title><p>Results and discussion. It has been established that all the studied coatings are evenly distributed over the tablets. When studying the kinetics of tablet dissolution, it was found that all coatings are resistant to acidic environments (0.1 M hydrochloric acid solution), however, in a phosphate buffer solution, the highest rate of release of the substance from tablets is achieved using a coating based on a copolymer of methacrylic acid and ethyl acrylate of the type B.</p></sec><sec><title>Conclusion</title><p>Conclusion. Tablets based on sodium 4,4'-(propanediamido)dibenzoate, enteric-coated AquaPolish® P white 712.06E were developed.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>кишечнорастворимое покрытие</kwd><kwd>пленочная оболочка</kwd><kwd>4</kwd><kwd>4’-(пропандиамидо)дибензоат натрия</kwd><kwd>кинетика высвобождения</kwd><kwd>биофармацевтическая растворимость</kwd></kwd-group><kwd-group xml:lang="en"><kwd>enteric coating</kwd><kwd>film coating</kwd><kwd>sodium 4</kwd><kwd>4'-(propanediamido)dibenzoate</kwd><kwd>release kinetics</kwd><kwd>biopharmaceutical solubility</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">Мазова Н. 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