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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">vsp</journal-id><journal-title-group><journal-title xml:lang="ru">Вопросы современной педиатрии</journal-title><trans-title-group xml:lang="en"><trans-title>Current Pediatrics</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1682-5527</issn><issn pub-type="epub">1682-5535</issn><publisher><publisher-name>Издательство «ПедиатрЪ»</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.15690/vsp.v21i5.2456</article-id><article-id custom-type="elpub" pub-id-type="custom">vsp-3037</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>КЛИНИЧЕСКИЕ НАБЛЮДЕНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>CLINICAL OBSERVATIONS</subject></subj-group></article-categories><title-group><article-title>Ритуксимаб в лечении ребенка с вульгарной пузырчаткой: клиническое наблюдение</article-title><trans-title-group xml:lang="en"><trans-title>Rituximab in the Management of a Child with Pemphigus Vulgaris: Case Study</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-2252-8570</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Мурашкин</surname><given-names>Н. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Murashkin</surname><given-names>Nikolay N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Мурашкин Николай Николаевич - доктор медицинских наук, заведующий отделением дерматологии с группой лазерной хирургии, заведующий лабораторией патологии кожи у детей отдела научных исследований в педиатрии НМИЦ здоровья детей, профессор кафедры дерматовенерологии и косметологии ЦГМА, профессор кафедры педиатрии и детской ревматологии ФГАОУ ВО Первый МГМУ им. И.М. Сеченова (Сеченовский Университет).</p><p>119296, Москва, Ломоносовский пр-т, д. 2, стр. 1, тел.: +7 (499) 134-08-89</p></bio><bio xml:lang="en"><p>Moscow</p></bio><email xlink:type="simple">m_nn2001@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/0000-0002-0858-8780</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Опрятин</surname><given-names>Л. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Opryatin</surname><given-names>Leonid A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москва</p></bio><bio xml:lang="en"><p>Moscow</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6777-5471</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Василенко</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Vasilenko</surname><given-names>Anastasiya A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москва</p></bio><bio xml:lang="en"><p>Moscow</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8232-8936</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Амбарчян</surname><given-names>Э. Т.</given-names></name><name name-style="western" xml:lang="en"><surname>Ambarchian</surname><given-names>Eduard T.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москва</p></bio><bio xml:lang="en"><p>Moscow</p></bio><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4107-4642</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Епишев</surname><given-names>Р. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Epishev</surname><given-names>Roman V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москва</p></bio><bio xml:lang="en"><p>Moscow</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6034-8231</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Материкин</surname><given-names>А. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Materikin</surname><given-names>Alexander I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москва</p></bio><bio xml:lang="en"><p>Moscow</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0081-0981</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Иванов</surname><given-names>Р. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Ivanov</surname><given-names>Roman A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москва</p></bio><bio xml:lang="en"><p>Moscow</p></bio><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">НМИЦ здоровья детей; Первый МГМУ им. И.М. Сеченова (Сеченовский Университет); ЦГМА Управления делами Президента РФ<country>Россия</country></aff><aff xml:lang="en">National Medical Research Center of Children’s Health; Sechenov First Moscow State Medical University; Central State Medical Academy of Department of Presidential Affairs<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru">НМИЦ здоровья детей<country>Россия</country></aff><aff xml:lang="en">National Medical Research Center of Children’s Health<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru">НИИ педиатрии и охраны здоровья детей НКЦ №2 ФГБНУ РНЦХ им. акад. Б.В. Петровского<country>Россия</country></aff><aff xml:lang="en">Pediatrics and Child Health Research Institute in Petrovsky National Research Centre of Surgery<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>08</day><month>11</month><year>2022</year></pub-date><volume>21</volume><issue>5</issue><fpage>407</fpage><lpage>413</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Мурашкин Н.Н., Опрятин Л.А., Василенко А.А., Амбарчян Э.Т., Епишев Р.В., Материкин А.И., Иванов Р.А., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Мурашкин Н.Н., Опрятин Л.А., Василенко А.А., Амбарчян Э.Т., Епишев Р.В., Материкин А.И., Иванов Р.А.</copyright-holder><copyright-holder xml:lang="en">Murashkin N.N., Opryatin L.A., Vasilenko A.A., Ambarchian E.T., Epishev R.V., Materikin A.I., Ivanov R.A.</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://vsp.spr-journal.ru/jour/article/view/3037">https://vsp.spr-journal.ru/jour/article/view/3037</self-uri><abstract><sec><title>Обоснование</title><p>Обоснование. Вульгарная пузырчатка — аутоиммунный буллезный дерматоз. Лечение, как правило, сопряжено с пожизненным приемом поддерживающей дозы системных глюкокортикостероидов, что приводит к возникновению серьезных побочных эффектов, особенно у детей.</p><p>Описание клинического случая. Мальчик, 16 лет, с тяжелым течением вульгарной пузырчатки. Диагноз подтвержден результатами исследования мазков-отпечатков со дна свежих эрозий (обнаружено &gt; 50 акантолитических клеток), гистологического исследования биопсийного материала кожи из очага поражения с пузырным элементом (в центре биоптата локализуется супрабазальный пузырь, в полости которого присутствуют фибрин, нейтрофильные гранулоциты, акантолитические клетки), биопсийного материала кожи, полученного рядом с очагом поражения (с участка визуально здоровой кожи), с применением методов прямой иммунофлуоресценции (обнаружено отложение IgG на поверхности кератиноцитов на всем протяжении эпидермиса) и иммуноферментного анализа (выявлены аутоантитела IgG к десмоглеину 1 — 121 Ед/мл (норма &lt; 20 Ед/мл) и десмоглеину 3 — &gt; 200 Ед/мл (норма &lt; 20 Ед/мл)). В качестве терапии первой линии были назначены генно-инженерный биологический препарат ритуксимаб и системный глюкокортикостероид метилпреднизолон с постепенным снижением дозы до полной отмены через 8 мес. После завершения курса терапии и отмены системного глюкокортикостероида сохраняется полная ремиссия заболевания.</p></sec><sec><title>Заключение</title><p>Заключение. Комбинированная терапия системными глюкокортикостероидами и ритуксимабом может быть рассмотрена в качестве терапии первой линии у пациентов детского возраста с вульгарной пузырчаткой в связи с относительно низким риском рецидива после достаточно быстрой и полной отмены препаратов.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Background</title><p>Background. Pemphigus vulgaris is an autoimmune bullous dermatosis. Its management generally involves lifelong administration of maintenance dose of systemic glucocorticosteroids, that leading to serious adverse effects especially in children.</p><p>Clinical case description. Patient is the 16 years old boy with severe course of pemphigus vulgaris. The diagnosis was confirmed by the results of cell smear study from fresh erosions (&gt; 50 acantholytic cells were revealed), histological examination of the skin biopsy from the lesion with the vesicle element (suprabasal vesicle was localized in the center, it included fibrin, neutrophil granulocytes, and acantholytic cells), skin biopsy from the area near the lesion (visually healthy skin), via direct immunofluorescence methods (IgG deposition was detected on keratinocytes’ surface throughout the epidermis), and enzyme-linked immunosorbent assay (desmoglein 1 IgG autoantibodies — 121 U/mL (reference value &lt; 20 U/mL) and desmoglein 3 — &gt; 200 U/mL (reference value &lt; 20 U/mL)). Genetically engineered biologic drug, rituximab, and systemic glucocorticosteroid, methylprednisolone, were prescribed as first-line therapy with gradual dose reduction to permanent discontinuation in 8 months. Complete remission maintained after the completion of therapy course and discontinuation of systemic glucocorticosteroid.</p></sec><sec><title>Conclusion</title><p>Conclusion. Combined therapy with systemic glucocorticosteroids and rituximab can be considered as first-line therapy in pediatric patients with pemphigus vulgaris due to relatively low risk of recurrence after rather rapid and complete drugs’ discontinuation.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>дети</kwd><kwd>вульгарная пузырчатка</kwd><kwd>диагностика</kwd><kwd>лечение</kwd><kwd>ритуксимаб</kwd><kwd>клинический случай</kwd></kwd-group><kwd-group xml:lang="en"><kwd>children</kwd><kwd>pemphigus vulgaris</kwd><kwd>diagnosis</kwd><kwd>management</kwd><kwd>rituximab</kwd><kwd>clinical case</kwd></kwd-group><funding-group xml:lang="ru"><funding-statement>Отсутствует</funding-statement></funding-group><funding-group xml:lang="en"><funding-statement>Not specified</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">Hartwig NG, Oranje AP, Gysel DV, van Praag MCG. 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