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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">porozendo</journal-id><journal-title-group><journal-title xml:lang="ru">Остеопороз и остеопатии</journal-title><trans-title-group xml:lang="en"><trans-title>Osteoporosis and Bone Diseases</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2072-2680</issn><issn pub-type="epub">2311-0716</issn><publisher><publisher-name>Endocrinology Research Centre</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.14341/osteo9826</article-id><article-id custom-type="elpub" pub-id-type="custom">porozendo-9826</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>Оригинальное исследование</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Original study</subject></subj-group></article-categories><title-group><article-title>Антирезорбтивная активность деносумаба при лечении остеопороза у больных с ревматоидным артритом</article-title><trans-title-group xml:lang="en"><trans-title>Antiresorptive activity of denosumab in the treatment of osteoporosis in patients with rheumatoid arthritis</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0900-1600</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Банщикова</surname><given-names>Надежда Евгеньевна</given-names></name><name name-style="western" xml:lang="en"><surname>Banshchikova</surname><given-names>Nadezhda Y.</given-names></name></name-alternatives><bio xml:lang="ru"><p>младший научный сотрудник лаборатории патологии соединительной ткани</p></bio><bio xml:lang="en"><p>MD</p></bio><email xlink:type="simple">nadib1990@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/0000-0002-6275-2924</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Летягина</surname><given-names>Елена Алексеевна</given-names></name><name name-style="western" xml:lang="en"><surname>Letyagina</surname><given-names>Yelena A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>к.м.н.</p></bio><bio xml:lang="en"><p>MD, PhD</p></bio><email xlink:type="simple">elena_letyagina@list.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/0000-0001-6606-7185</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Омельченко</surname><given-names>Виталий Олегович</given-names></name><name name-style="western" xml:lang="en"><surname>Omelchenko</surname><given-names>Vitaliy O.</given-names></name></name-alternatives><bio xml:lang="en"><p>MD</p></bio><email xlink:type="simple">v.o.omelchenko@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/0000-0002-4890-0847</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Королев</surname><given-names>Максим Александрович</given-names></name><name name-style="western" xml:lang="en"><surname>Korolev</surname><given-names>Maksim A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>кандидат медицинских наук, заведующий лабораторией патологии соединительной ткани</p></bio><bio xml:lang="en"><p>MD, PhD</p></bio><email xlink:type="simple">kormax@bk.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">&lt;p&gt;Научно-исследовательский институт клинической и экспериментальной лимфологии &amp;ndash; филиал ФГБУ &amp;laquo;Федеральный исследовательский центр Институт цитологии и генетики Сибирского отделения Российской академии наук&amp;raquo;&lt;/p&gt;<country>Россия</country></aff><aff xml:lang="en">&lt;p&gt;Research Institute of Clinical and Experimental Lymphology, a branch of the Institute of Cytology and Genetics, Siberian Branch of the Russian Academy of Sciences&lt;/p&gt;<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2018</year></pub-date><pub-date pub-type="epub"><day>26</day><month>12</month><year>2018</year></pub-date><volume>21</volume><issue>2</issue><fpage>4</fpage><lpage>11</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Банщикова Н.Е., Летягина Е.А., Омельченко В.О., Королев М.А., 2018</copyright-statement><copyright-year>2018</copyright-year><copyright-holder xml:lang="ru">Банщикова Н.Е., Летягина Е.А., Омельченко В.О., Королев М.А.</copyright-holder><copyright-holder xml:lang="en">Banshchikova N.Y., Letyagina Y.A., Omelchenko V.O., Korolev M.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://www.osteo-endojournals.ru/jour/article/view/9826">https://www.osteo-endojournals.ru/jour/article/view/9826</self-uri><abstract><sec><title>Обоснование</title><p>Обоснование: современные методики оценки рисков переломов и количественное определение минеральной плотности костной ткани являются общепризнанными, широко используемыми способами, однако они имеют ряд существенных ограничений и недостатков для краткосрочной динамической оценки процессов ремоделирования костной ткани у больных ревматоидным артритом с низкой минеральной плотностью костной ткани (МПКТ). В связи с этим, поиск и оценка применимости маркеров резорбции костной ткани остается актуальной задачей.</p></sec><sec><title>Цель</title><p>Цель: сравнить антирезорбтивную (АрТ) активность деносумаба и алендроновой кислоты у пациентов с ревматоидным артритом (РА) и остеопорозом (ОП), используя в качестве костных маркеров (КМ) уровень С-концевого телопептида коллагена (β-CTX) и остеокальцина (ОК) в сыворотке крови.</p></sec><sec><title>Методы</title><p>Методы: в исследовании приняли участие 42 пациента (16 больным проведено лечение деносумабом, 13 пациентов получали алендроновую кислоту, 13 человек составили контрольную группу). Всем участникам исследования проводилось количественное определение β-CTX и ОК на первом визите и через 3 месяца, двухэнергетическая рентгеновская абсорбциометрия (DXA – Dual-Energy X-ray Absorptiometry) однократно и определялся 10-летний абсолютный риск основных остеопоротических переломов по алгоритму FRAX.</p></sec><sec><title>Результаты</title><p>Результаты: в группе больных РА, получавших деносумаб, отмечено достоверное снижение уровня β-CTX на 16% (медиана 861,6 пг/мл против 724,6 пг/мл, p=0,049) и ОК на 39% (медиана 13,9 против 8,49, p=0,047) через 3 месяца от начала терапии. В группе больных, получавших алендроновую кислоту, также отмечалось снижение β-CTX (медиана 858,9 пг/мл против 821,8 пг/мл) и остеокальцина (медиана 14,8 нг/мл против 13,9 нг/мл), не достигшее, однако, статистической значимости.</p></sec><sec><title>Заключение</title><p>Заключение: деносумаб показал более выраженную АрТ активность по сравнению с БФ, при этом она достоверно регистрировалась уже через 3 месяца от начала лечения.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Background</title><p>Background: fracture risks assessment and determination of bone mineral density are modern methods, generally accepted and widely used. However, they have limitations and disadvantages for the dynamic evaluation of bone remodeling processes in RA-patients with low BMD. The investigation of bone resorption markers is an important issue.</p></sec><sec><title>Aims</title><p>Aims: to compare the antiresorptive activity of denosumab and alendronic acid in patients with rheumatoid arthritis and osteoporosis using β-CTX and osteocalcin (OC).</p></sec><sec><title>Materials and methods</title><p>Materials and methods: forty-two patients were included in the study (16 patients were treated with denosumab, 13 patients – with alendronic acid, 13 patients - control group without any osteoporosis treatment). The quantitative determination of β-CTX and OC as well as dual-energy X-ray absorptionometry (DXA) were carried out for all patients at the first visit with consecutive investigation of bone resorption markers 3 months after. The predictive capacity was determined using the ratio of observed fractures/expected fractures by FRAX.</p></sec><sec><title>Results</title><p>Results: The level of β-CTX 16% (median 861.6 pg/ml vs. 724.6 pg/ml, p = 0.049) and OC 39% (median 13.9 ng/ml vs 8.5 ng/ml, p = 0.047) decreased significantly in 3 month in RA patients treated with denosumab. The decrease of β-CTX (median 858.9 pg/ml vs. 821.8 pg/ml) and OC (median 14.8 ng/ml vs. 13.9 ng/ml) was observed in the group of patients treated with alendronic acid, but not reached statistical significance.</p></sec><sec><title>Conclusions</title><p>Conclusions: denosumab had showed better antiresorptive activity compared with bisphosphonates, which was registered 3 month after the start of the treatment.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>ревматоидный артрит</kwd><kwd>остеопороз</kwd><kwd>деносумаб</kwd><kwd>бисфосфонаты</kwd><kwd>β-CTX</kwd><kwd>остеокальцин</kwd></kwd-group><kwd-group xml:lang="en"><kwd>rheumatoid arthritis</kwd><kwd>osteoporosis</kwd><kwd>denosumab</kwd><kwd>bisphosphonates</kwd><kwd>β-CTX</kwd><kwd>osteocalcin</kwd></kwd-group><funding-group xml:lang="ru"><funding-statement>Работа выполнена в рамках государственного задания по программе поисковых научных исследований ФАНО РФ.</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">Дыдыкина И.С., Коваленко П.С., Смирнов А.В., и др. 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