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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">ppharm</journal-id><journal-title-group><journal-title xml:lang="ru">Педиатрическая фармакология</journal-title><trans-title-group xml:lang="en"><trans-title>Pediatric pharmacology</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1727-5776</issn><issn pub-type="epub">2500-3089</issn><publisher><publisher-name>Издательство «ПедиатрЪ»</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.15690/pf.v22i1.2851</article-id><article-id custom-type="elpub" pub-id-type="custom">ppharm-2567</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>КЛИНИЧЕСКИЙ СЛУЧАЙ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>CASE REPORT</subject></subj-group></article-categories><title-group><article-title>Первый российский опыт применения паловаротена для лечения фибродисплазии оссифицирующей прогрессирующей: два клинических наблюдения</article-title><trans-title-group xml:lang="en"><trans-title>The First Russian Experience of Using Palovarotene for the Treatment of Fibrodysplasia Ossificans Progressiva: Two Case Reports</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1842-0348</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Никишина</surname><given-names>И. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Nikishina</surname><given-names>Irina P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Никишина Ирина Петровна, кандидат медицинских наук, заведующая лабораторией ревматических заболеваний детского возраста</p><p>Адрес: 115522, Москва, Каширское шоссе, д. 34А</p><p>тел.: +7 (910) 437-65-06.</p></bio><bio xml:lang="en"><p>MD, PhD</p><p>34A, Kashirskoe shosse, Moscow, 115522</p></bio><email xlink:type="simple">irpetnik@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/0000-0002-3815-0608</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Маткава</surname><given-names>В. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Matkava</surname><given-names>Valeriya G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Маткава Валерия Георгиевна</p><p>Москва</p></bio><bio xml:lang="en"><p>MD</p><p>Moscow</p></bio><email xlink:type="simple">valeriiamatkava@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/0000-0001-9803-0221</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Арсеньева</surname><given-names>С. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Arsenyeva</surname><given-names>Svetlana V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Арсеньева Светлана Владимировна</p><p>Москва</p></bio><bio xml:lang="en"><p>MD</p><p>Moscow</p></bio><email xlink:type="simple">s.arsenyeva@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/0000-0001-6430-9590</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Гасымов</surname><given-names>Э. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Gasymov</surname><given-names>Emil G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Гасымов Эмиль Гадирович</p><p>Москва</p></bio><bio xml:lang="en"><p>MD</p><p>Moscow</p></bio><email xlink:type="simple">gasymoveg@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/0000-0002-4156-5062</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Арефьева</surname><given-names>А. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Arefieva</surname><given-names>Alia N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Арефьева Алия Наилевна</p><p>Москва</p></bio><bio xml:lang="en"><p>MD</p><p>Moscow</p></bio><email xlink:type="simple">latypova28a@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">ФГБНУ НИИ ревматологии им. В.А. Насоновой<country>Россия</country></aff><aff xml:lang="en">V.A. Nasonova Research Institute of Rheumatology<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>19</day><month>02</month><year>2025</year></pub-date><volume>22</volume><issue>1</issue><fpage>19</fpage><lpage>30</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Никишина И.П., Маткава В.Г., Арсеньева С.В., Гасымов Э.Г., Арефьева А.Н., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Никишина И.П., Маткава В.Г., Арсеньева С.В., Гасымов Э.Г., Арефьева А.Н.</copyright-holder><copyright-holder xml:lang="en">Nikishina I.P., Matkava V.G., Arsenyeva S.V., Gasymov E.G., Arefieva A.N.</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.pedpharma.ru/jour/article/view/2567">https://www.pedpharma.ru/jour/article/view/2567</self-uri><abstract><p>Обоснование. Фибродисплазия оссифицирующая прогрессирующая (ФОП) — крайне редкое генетическое заболевание с аутосомно-доминантным типом наследования. ФОП связана с генетически детерминированным нарушением, обусловленным наличием определенной мутации в гене ACVR1/ALK2, кодирующем рецептор костного морфогенетического белка. ФОП клинически проявляется безудержным образованием гетеротопических оссификатов, приводящих к постепенному прогрессированию инвалидизации вплоть до полной обездвиженности пациента. В раннем возрасте болезнь можно распознать по наличию характерных фенотипических стигм, главным образом характерной мальформации больших пальцев стоп, подтвердив диагноз молекулярно-генетическим анализом. Ранняя диагностика ФОП позволяет избежать ненужных ятрогенных манипуляций и замедлить прогрессирование заболевания. До недавнего времени не было терапии, оказывающей патогенетическое действие, предотвращающей развитие оссификатов. Первым и единственным лекарственным препаратом, доказавшим свою эффективность в результате клинических исследований и зарегистрированным к применению у пациентов с ФОП в ряде стран, является паловаротен. Описание клинических случаев. В публикации представлен первый российский опыт применения паловаротена с описанием двух клинических наблюдений пациентов с генетически подтвержденным диагнозом ФОП. Описаны клиническая картина, сложный путь к диагностике, обнадеживающий опыт лечения пациентов, включающий противовоспалительную терапию с использованием ингибиторов янус-киназ (тофацитиниб) и патогенетическую терапию препаратом паловаротен. Заключение. Агрессивный характер течения ФОП, неизбежно приводящий к тяжелой инвалидизации пациентов, обусловливает необходимость широкого привлечения внимания практикующих врачей к ранней диагностике ФОП, углубленному изучению факторов, определяющих прогрессирование, а новые возможности патогенетической терапии позволяют рассчитывать на улучшение прогноза этого крайне тяжелого заболевания.</p></abstract><trans-abstract xml:lang="en"><sec><title>Background</title><p>Background. Fibrodysplasia ossificans progressiva (FOP) — is an extremely rare genetic disorder with an autosomal dominant type of inheritance. FOP is associated with a genetically determined disorder caused by the presence of a specific mutation in the ACVR1/ALK2 gene encoding the bone morphogenetic protein receptor. FOP is clinically manifested by the unrestrained formation of heterotopic ossifications, leading to a gradual progression of disability up to complete immobility of the patient. At an early age, the disease can be recognized by the presence of characteristic phenotypic stigmas, mainly the characteristic malformation of the thumbs, confirming the diagnosis by molecular genetic analysis. Early diagnosis of FOP avoids unnecessary iatrogenic manipulations and slows down the progression of the disease. Up until recently, there was no therapy that had a pathogenetic effect, preventing the development of ossifications. The first and only drug that has proven its effectiveness as a result of clinical trials and is registered for use in patients with FOP in a number of countries is palovarotene.</p></sec><sec><title>Case reports</title><p>Case reports: The publication presents the first Russian experience of using palovarotene with a description of two clinical observations of patients with a genetically confirmed diagnosis of FOP. The clinical picture, the difficult path to diagnosis, and the encouraging experience of treating patients, including anti-inflammatory therapy using Janus kinase inhibitors (tofacitinib) and pathogenetic therapy with palovarotene, are described.</p></sec><sec><title>Conclusion</title><p>Conclusion. The aggressive nature of the course of FOP, which inevitably leads to severe disability of patients, necessitates the widespread attention of practitioners to the early diagnosis of FOP, an in-depth study of the factors determining progression, and new opportunities for pathogenetic therapy allow us to count on improving the prognosis of this extremely serious disease.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>фибродисплазия оссифицирующая прогрессирующая</kwd><kwd>паловаротен</kwd><kwd>тофацитиниб</kwd><kwd>клинический случай</kwd></kwd-group><kwd-group xml:lang="en"><kwd>fibrodysplasia ossificans progressiva</kwd><kwd>palovarotene</kwd><kwd>tofacitinib</kwd><kwd>case report</kwd></kwd-group><funding-group xml:lang="ru"><funding-statement>Представленные клинические наблюдения и подготовка рукописи были выполнены в рамках фундаментальной научной темы (исследования, выполняемого в рамках государственного задания) № 1021051302580-4 в ФГБНУ НИИ ревматологии им. В.А. Насоновой. Авторы статьи выражают признательность за сотрудничество и помощь в обследовании пациентов заведующему отделением лучевой диагностики ФГБНУ НИИР им. В.А. Насоновой Л.М. Бланку; сотрудникам Медикогенетического центра им. акад. Н.П. Бочкова: научному сотруднику А.О. Боровикову, д.м.н., зав. лабораторией молекулярно-генетической диагностики О.А. Щагиной, врачу-генетику И.Г. Сермягиной; старшему научному сотруднику детскому онкологу НМИЦ онкологии им. Н.Н. Блохина Г.Б. Сагояну, главному внештатному специалисту детскому ревматологу Ульяновской области Л.В. Горшковой.</funding-statement></funding-group><funding-group xml:lang="en"><funding-statement>The presented clinical observations and the preparation of the manuscript were carried out within the framework of the fundamental scientific topic (research carried out within the framework of the state assignment) No. 1021051302580-4 at the V.A. 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