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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">transplantologiya</journal-id><journal-title-group><journal-title xml:lang="ru">Трансплантология</journal-title><trans-title-group xml:lang="en"><trans-title>Transplantologiya. The Russian Journal of Transplantation</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2074-0506</issn><issn pub-type="epub">2542-0909</issn><publisher><publisher-name>IPO Association of Transplantologists</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">transplantologiya-82</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>ПРОБЛЕМНЫЕ АСПЕКТЫ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>PROBLEMATIC ASPECTS</subject></subj-group></article-categories><title-group><article-title>Экспериментальное исследование безопасности интраокулярного введения нового биорезорбируемого имплантата для доставки лекарственных веществ к структурам заднего сегмента глаза</article-title><trans-title-group xml:lang="en"><trans-title>Experimental study to investigate the safety of new intraocular bio-degradable implant for drug delivery to the posterior segment of an eye</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Темнов</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Temnov</surname><given-names>A. A.</given-names></name></name-alternatives><email xlink:type="simple">aa-temnov@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Белый</surname><given-names>Ю. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Belyy</surname><given-names>Yu. A.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Новиков</surname><given-names>С. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Novikov</surname><given-names>S. V.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шацких</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Shatskikh</surname><given-names>A. V.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff-4"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Колесник</surname><given-names>С. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Kolesnik</surname><given-names>S. V.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff-5"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Колесник</surname><given-names>А. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Kolesnik</surname><given-names>A. I.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff-5"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">ГБУЗ «НИИ скорой помощи им. Н.В. Склифосовского ДЗМ», Москва<country>Россия</country></aff><aff xml:lang="en">N.V. Sklifosovsky Research Institute for Emergency Medicine of Moscow Healthcare Department, Moscow<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru">Калужский филиал ФГБУ «МНТК “Микрохирургия глаза” им. акад. С.Н. Федорова» Минздрава России, Калуга<country>Россия</country></aff><aff xml:lang="en">«The Interbranch Scientific-Technical Complex «Eye microsurgery» named after acad. S.N. Fedorov» of the Ministry of Health of Russia, Kaluga<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru">ООО «Научно-экспериментальное производство “Микрохирургия глаза”», Москва<country>Россия</country></aff><aff xml:lang="en">LLC «Research and experimental production «Eye microsurgery»», Moscow<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-4"><aff xml:lang="ru">Лаборатория патологической анатомии и гистологии глаза ФГБУ «МНТК “Микрохирургия глаза” им. акад. С.Н. Федорова» Минздрава России, Москва<country>Россия</country></aff><aff xml:lang="en">Laboratory of pathological anatomy and histology of the eye «The Interbranch Scientific-Technical Complex «Eye microsurgery» named after acad. S.N. Fedorov» of the Ministry of Health of Russia, Moscow<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-5"><aff xml:lang="ru">ФГБУ «МНТК “Микрохирургия глаза” им. акад. С.Н. Федорова» Минздрава России, Москва<country>Россия</country></aff><aff xml:lang="en">«The Interbranch Scientific-Technical Complex «Eye microsurgery» named after acad. S.N. Fedorov» of the Ministry of Health of Russia, Moscow<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2015</year></pub-date><pub-date pub-type="epub"><day>04</day><month>02</month><year>2016</year></pub-date><volume>0</volume><issue>4</issue><fpage>13</fpage><lpage>22</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Темнов А.А., Белый Ю.А., Новиков С.В., Шацких А.В., Колесник С.В., Колесник А.И., 2016</copyright-statement><copyright-year>2016</copyright-year><copyright-holder xml:lang="ru">Темнов А.А., Белый Ю.А., Новиков С.В., Шацких А.В., Колесник С.В., Колесник А.И.</copyright-holder><copyright-holder xml:lang="en">Temnov A.A., Belyy Y.A., Novikov S.V., Shatskikh A.V., Kolesnik S.V., Kolesnik A.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.jtransplantologiya.ru/jour/article/view/82">https://www.jtransplantologiya.ru/jour/article/view/82</self-uri><abstract><sec><title>Цель</title><p>Цель: обосновать безопасность интраокулярного введения ненасыщенного и насыщенного дексаметазоном имплантатов в эксперименте in vivo.</p></sec><sec><title>Материал и методы</title><p>Материал и методы. Выполнено исследование на 60 кроликах (120 глаз) породы шиншилла. В первой серии кроликам 1-й группы вводили ненасыщенный имплантат в переднюю камеру глаза, кроликам 2-й группы – в витреальную полость. Во второй серии кроликам 3-й группы вводили насыщенный дексаметазоном имплантат в переднюю камеру, кроликам 4-й группы – в витреальную полость. Для оценки состояния внутриглазных структур перед имплантацией и в динамике проводили офтальмологическое обследование: биомикроскопию, фоторегистрацию изображений глазного дна, электроретинографию (ЭРГ). В те же сроки животных выводили из эксперимента, глаза энуклеировали и выполняли морфологические исследования.</p></sec><sec><title>Результаты</title><p>Результаты. После введения имплантатов в переднюю камеру глаза кроликам 1-й и 3-й группы они оседали на поверхности радужной оболочки, занимая положение в нижней части передней камеры. Резорбция имплантатов происходила в течение 31–33 суток. При биомикроскопии глаз кроликов 1-й и 3-й опытной групп в течение всего периода наблюдения патологических изменений со стороны внутриглазных структур не отмечено.Морфологические исследования глаз также не выявили изменений структуры роговицы, радужки и цилиарного тела. При исследовании влияния ненасыщенного и насыщенного дексаметазоном имплантатов на структуры заднего сегмента глаз кроликов во 2-й и 4-й группах сразу после интравитреального введения имплантаты определялись в передней трети стекловидного тела (СТ) глаза кролика. На протяжении всего периода наблюдения происходила их постепенная резорбция. На 35-е сутки имплантатов в СТ не выявлено. В течение периода наблюдения видимых изменений структур переднего отрезка глаза, СТ и сетчатки не отмечено. Гистологическое исследование не выявило структурных изменений сетчатки и других внутриглазных структур.</p></sec><sec><title>Выводы</title><p>Выводы: в эксперименте in vivo доказано, что разработанный имплантат является инертной, биосовместимой интраокулярной системой доставки лекарственных веществ и не оказывает токсического влияния на структуры глазного яблока кролика.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Purpose</title><p>Purpose: to prove the safety of dexamethasone-free and dexamethasone-loaded intraocular implants in the experiment in vivo. </p></sec><sec><title>Materials and methods</title><p>Materials and methods. The study included 60 Chinchilla rabbits (120 eyes). In the first series of animals,dexamethasone-free implants were inserted into the anterior chamber of the eye in the rabbits of the 1st group, and into the vitreous cavity in the rabbits of the 2nd group. In the second series, dexamethasone-containing implants were inserted into the anterior chamber of the eye in the rabbits of the 3rd group, and into the vitreous cavity in the rabbits of the 4th group. The intraocular structures were evaluated by ophthalmologic examinations: slit lamp biomicroscopy, fundus photographic images, electroretinography (ERG) performed before the implantation and in dynamics. In the same time period, the animals were withdrawn from the experiment, the eyes enucleated, and morphological studies performed. </p></sec><sec><title>Results</title><p>Results. Being inserted into the anterior chamber of the eyes in the rabbits of the 1st and 3rd group, the implants settled on a surface of an iris, occupied the position in the anterior chamber bottom. The implants were resorbed within 31–33 days. Throughout the whole study period, no intraocular structure abnormalities were identified by the slit lamp biomicroscopy in the rabbits of the 1st and 3rd groups. Morphological studies of the eyes demonstrated no structural abnormalities in the cornea, iris, or the ciliary body, either. While studying the effects of dexamethasone-free and dexamethasone-containing implants on the posterior structural segments of the eyes in the rabbits of the 2nd and 4th groups immediately after intravitreous implantation, the implants were identified positioned in the anterior third of the vitreous of a rabbit eye. Their gradual resorption took the whole study period. Implants were not identifiable any more in the vitreous body at day 35. No evident abnormalities were seen in the structures of the eye anterior segments, vitreous body, or retina throughout the study period. Histological examination showed no abnormalities of the retinal or other intraocular structures. </p></sec><sec><title>Conclusions</title><p>Conclusions: in the experimental study in vivo, the developed implant has proved to be an inert, biocompatible intraocular system for drug delivery and posing no toxic effects on eyeball structures of a rabbit.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>имплантат</kwd><kwd>лекарственное вещество</kwd><kwd>биодеградируемый полимер</kwd><kwd>дексаметазон</kwd></kwd-group><kwd-group xml:lang="en"><kwd>implant</kwd><kwd>drug</kwd><kwd>biodegradable polymer</kwd><kwd>dexametasone</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">Нестеров, А.П. Новый метод введения лекарственных препаратов в задний отдел тенонова пространства / А.П. Нестеров, С.Н. Басинский // Вестник офтальмологии. – 1991. – № 5. – С. 49–51. 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