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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">rsp</journal-id><journal-title-group><journal-title xml:lang="ru">Научно-практическая ревматология</journal-title><trans-title-group xml:lang="en"><trans-title>Rheumatology Science and Practice</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1995-4484</issn><issn pub-type="epub">1995-4492</issn><publisher><publisher-name>IMA-PRESS, LLC</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.47360/1995-4484-2025-55-63</article-id><article-id custom-type="elpub" pub-id-type="custom">rsp-3699</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>ОРИГИНАЛЬНЫЕ ИССЛЕДОВАНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ORIGINAL RESEARCH</subject></subj-group></article-categories><title-group><article-title>Эффективность и безопасность быстрой эскалации дозы метотрексата при ревматоидном артрите (результаты многоцентрового исследования «МЕТЕОР»)</article-title><trans-title-group xml:lang="en"><trans-title>Efficacy and safety of rapid dose escalation of methotrexate in rheumatoid arthritis. Results of the multicenter “METEOR” 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/0000-0001-5382-6357</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Амирджанова</surname><given-names>В. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Amirjanova</surname><given-names>V. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Амирджанова Вера Николаевна.</p><p>115522, Москва, Каширское шоссе, 34а</p></bio><bio xml:lang="en"><p>Vera N. Amirjanova.</p><p>115522, Moscow, Kashirskoye Highway, 34A</p></bio><email xlink:type="simple">amirver@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/0000-0001-5103-5447</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Полищук</surname><given-names>Е. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Polishchuk</surname><given-names>E. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>115522, Москва, Каширское шоссе, 34а</p></bio><bio xml:lang="en"><p>Elena Yu. Polishchuk.</p><p>115522, Moscow, Kashirskoye Highway, 34A</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/0000-0002-6079-0353</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Аношенкова</surname><given-names>О. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Anoshenkova</surname><given-names>O. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>634063, Томск, ул. Ивана Черных, 96, стр. 1</p></bio><bio xml:lang="en"><p>Olga N. Anoshenkova.</p><p>634063, Tomsk, Ivana Chernykh str., 96, build. 1</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/0000-0001-5052-912X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Виноградова</surname><given-names>И. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Vinogradova</surname><given-names>I. B.</given-names></name></name-alternatives><bio xml:lang="ru"><p>432017, Ульяновск, ул. Третьего Интернационала, 7</p></bio><bio xml:lang="en"><p>Irina B. Vinogradova.</p><p>432017, Ulyanovsk, Tretyego Internatsionala str., 7</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/0000-0001-8529-4105</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Зонова</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Zonova</surname><given-names>E. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>630091, Новосибирск, Красный просп., 52</p></bio><bio xml:lang="en"><p>Elena V. Zonova.</p><p>630091, Novosibirsk, Krasny avenue, 52</p></bio><xref ref-type="aff" rid="aff-4"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0411-6118</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Иванова</surname><given-names>Л. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Ivanova</surname><given-names>L. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>426009, Ижевск, ул. Ленина, 87б</p></bio><bio xml:lang="en"><p>Larisa V. Ivanova.</p><p>426009, Izhevsk, Lenina str., 87B</p></bio><xref ref-type="aff" rid="aff-5"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6341-3334</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Самигуллина</surname><given-names>Р. Р.</given-names></name><name name-style="western" xml:lang="en"><surname>Samigullina</surname><given-names>R. R.</given-names></name></name-alternatives><bio xml:lang="ru"><p>198015, Санкт-Петербург, ул. Кирочная, 41</p></bio><bio xml:lang="en"><p>Ruzana R. Samigullina.</p><p>191015, Saint-Petersburg, Kirochnaya str., 41</p></bio><xref ref-type="aff" rid="aff-6"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5206-5357</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Сальникова</surname><given-names>Т. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Salnikova</surname><given-names>T. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>300053, Тула, ул. Яблочкова, 1а</p></bio><bio xml:lang="en"><p>Tatiana S. Salnikova.</p><p>300053, Tula, Yablochkova str., 1A</p></bio><xref ref-type="aff" rid="aff-7"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0001-9670-084X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шахраманова</surname><given-names>Е. Л.</given-names></name><name name-style="western" xml:lang="en"><surname>Shakhramanova</surname><given-names>E. L.</given-names></name></name-alternatives><bio xml:lang="ru"><p>115522, Москва, Каширское шоссе, 34а</p></bio><bio xml:lang="en"><p>Elena L. Shakhramanova.</p><p>115522, Moscow, Kashirskoye Highway, 34A</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/0000-0001-8814-9704</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шмидт</surname><given-names>Е. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Shmidt</surname><given-names>E. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>117049, Москва, Ленинский просп., 8</p></bio><bio xml:lang="en"><p>Evgeniya I. Shmidt.</p><p>117049, Moscow, Leninskiy avenue, 8</p></bio><xref ref-type="aff" rid="aff-8"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8590-4839</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Якупова</surname><given-names>С. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Yakupova</surname><given-names>S. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>420012, Казань, ул. Бутлерова, 49</p></bio><bio xml:lang="en"><p>Svetlana P. Yakupova.</p><p>420012, Kazan, Butlerova str., 49</p></bio><xref ref-type="aff" rid="aff-9"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6068-3080</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Лила</surname><given-names>А. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Lila</surname><given-names>A. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>115522, Москва, Каширское шоссе, 34а; 125993, Москва, ул. Баррикадная, 2/1, стр. 1</p></bio><bio xml:lang="en"><p>Aleksander M. Lila.</p><p>115522, Moscow, Kashirskoye Highway, 34A; 125993, Moscow, Barrikadnaya str., 2/1, building 1</p></bio><xref ref-type="aff" rid="aff-10"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1598-8360</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Насонов</surname><given-names>Е. Л.</given-names></name><name name-style="western" xml:lang="en"><surname>Nasonov</surname><given-names>E. L.</given-names></name></name-alternatives><bio xml:lang="ru"><p>115522, Москва, Каширское шоссе, 34а</p></bio><bio xml:lang="en"><p>Evgeny L. Nasonov.</p><p>115522, Moscow, Kashirskoye Highway, 34A</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">ФГБНУ «Научно-исследовательский институт 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><aff-alternatives id="aff-2"><aff xml:lang="ru">ОГАУЗ «Томская областная клиническая больница»<country>Россия</country></aff><aff xml:lang="en">Tomsk Regional Clinical Hospital<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru">ГУЗ Ульяновская областная клиническая больница<country>Россия</country></aff><aff xml:lang="en">Ulyanovsk Regional Clinical Hospital<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-4"><aff xml:lang="ru">ФГБОУ ВО «Новосибирский государственный медицинский университет» Минздрава России<country>Россия</country></aff><aff xml:lang="en">Novosibirsk State Medical University<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-5"><aff xml:lang="ru">БУЗ УР «Республиканский клинико-диагностический центр Министерства здравоохранения Удмуртской Республики»<country>Россия</country></aff><aff xml:lang="en">Republican Clinical Diagnostical Centre of the Ministry of Healthcare of the Udmurt Republic<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-6"><aff xml:lang="ru">ФГБОУ ВО «Северо-Западный государственный медицинский университет им. И.И. Мечникова» Минздрава России<country>Россия</country></aff><aff xml:lang="en">North-Western State Medical University named after I.I. Mechnikov<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-7"><aff xml:lang="ru">ГУЗ ТО «Тульская областная клиническая больница»<country>Россия</country></aff><aff xml:lang="en">Tula Regional Clinical Hospital<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-8"><aff xml:lang="ru">ГБУЗ «Городская клиническая больница № 1 им. Н.И. Пирогова Департамента здравоохранения города Москвы»<country>Россия</country></aff><aff xml:lang="en">City Clinical Hospital N 1 named after N.I. Pirogov, Moscow City Health Department<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-9"><aff xml:lang="ru">ФГБОУ ВО «Казанский государственный медицинский университет» Минздрава России<country>Россия</country></aff><aff xml:lang="en">Kazan State Medical University<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-10"><aff xml:lang="ru">ФГБНУ «Научно-исследовательский институт ревматологии им. В.А. Насоновой»; ФГБОУ ДПО «Российская медицинская академия непрерывного профессионального образования» Минздрава России<country>Россия</country></aff><aff xml:lang="en">V.A. Nasonova Research Institute of Rheumatology; Russian Medical Academy of Continuous Professional Education of the Ministry of Healthcare of the Russian Federation<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>02</day><month>03</month><year>2025</year></pub-date><volume>63</volume><issue>1</issue><fpage>55</fpage><lpage>63</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Амирджанова В.Н., Полищук Е.Ю., Аношенкова О.Н., Виноградова И.Б., Зонова Е.В., Иванова Л.В., Самигуллина Р.Р., Сальникова Т.С., Шахраманова Е.Л., Шмидт Е.И., Якупова С.П., Лила А.М., Насонов Е.Л., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Амирджанова В.Н., Полищук Е.Ю., Аношенкова О.Н., Виноградова И.Б., Зонова Е.В., Иванова Л.В., Самигуллина Р.Р., Сальникова Т.С., Шахраманова Е.Л., Шмидт Е.И., Якупова С.П., Лила А.М., Насонов Е.Л.</copyright-holder><copyright-holder xml:lang="en">Amirjanova V.N., Polishchuk E.Y., Anoshenkova O.N., Vinogradova I.B., Zonova E.V., Ivanova L.V., Samigullina R.R., Salnikova T.S., Shakhramanova E.L., Shmidt E.I., Yakupova S.P., Lila A.M., Nasonov E.L.</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://rsp.mediar-press.net/rsp/article/view/3699">https://rsp.mediar-press.net/rsp/article/view/3699</self-uri><abstract><p>Цель исследования – анализ эффективности и переносимости подкожного (пк) метотрексата (МТ) у больных ревматоидным артритом (РА) с высокой активностью заболевания при быстрой эскалации дозы; оценка их качества жизни (КЖ) в реальной клинической практике.</p><sec><title>Материал и методы</title><p>Материал и методы. В исследование включено 105 пациентов, преимущественно женщин, с достоверным диагнозом РА с высокой активностью заболевания (DAS-28 (Disease Activity Score 28) ≥5,1) в возрасте 18 лет и старше и неэффективностью предшествующей терапии пероральным МТ в течение не менее 6 месяцев или не получавших МТ. Пк МТ (Метортрит; S.C. Rompharm Company S.R.L, Румыния) назначался в дозе 15 мг/нед. В течение первого месяца терапии 1 раз в неделю проводилась быстрая эскалация дозы пк МТ на 2,5 мг/нед., до 22,5 мг/нед., далее при недостаточном ответе доза пк МТ могла быть увеличена до 25 мг/нед. Оценка эффективности терапии, функционального статуса, КЖ проводилась через 4–12–18–24 недели.</p></sec><sec><title>Результаты</title><p>Результаты. После быстрой эскалации дозы пк МТ в течение первого месяца исследования на всех этапах наблюдения отмечалось быстрое снижение активности заболевания с уменьшением средних значений всех стандартных индексов (DAS-28 – с 5,8±0,75 до 2,93±1,05; CDAI (Clinical Disease Activity Score) – с 30,13±8,33 до 7,08±6,07; SDAI (Simplified Disease Activity Score) – с 32,78±9,64 до 7,48±6,53), а также индекса активности, который оценивался самими больными (RAPID-3, Routine Assessment of Patient Index Data 3), с 16,18±4,60 до 5,56±4,66 (p&lt;0,05). Число больных с высокой активностью заболевания по DAS-28 к 4-й неделе терапии снизилось в 2 раза (до 46,2%), через 12 недель их оставалось 13,3%, а к 24-й неделе высокая активность сохранялась лишь у 4,4% пациентов. Отмечалось выраженное уменьшение интенсивности боли в среднем с 65,6±13,07 до 20,5±17,1 мм (р&lt;0,001) по визуальной аналоговой шкале (ВАШ), что способствовало улучшению функционального состояния: индекс HAQ (Health Assessment Questionnaire) снизился в среднем с 1,47±0,65 до 0,64±052. Популяционные показатели функционального состояния (HAQ≤0,5) к 24-й неделе терапии отмечались у 48,9% пациентов. Уменьшение уровня усталости (с 6,25±7,04 до 1,81±1,71 см по ВАШ; р&lt;0,001) сопровождалось снижением оценки тревоги (с 7,47±4,03 до 2,36±2,72; р&lt;0,001) и депрессии (с 7,77±3,84 до 2,50±2,56; р&lt;0,001) по HADS (Hospital Anxiety and Depression Scale), а также улучшением сна. Популяционные показатели КЖ по индексу EQ-5D (European Quality of Life Questionnaire 5 Dimensions) к 24-й неделе исследования имели 45% больных. Глюкокортикоиды (ГК) были полностью отменены у 2/3 больных. Пациенты, не получавшие ГК, к 24-й неделе имели более низкие значения индексов активности, чем те, кто их принимал: DAS-28 составлял в среднем 2,7±0,1 и 3,4±0,2, CDAI – 6,0±0,3 и 10,2±0,1, SDAI – 6,4±0,2 и 10,9±0,3 соответственно (р&lt;0,05). Пациенты, получавшие и не получавшие ГК, имели одинаковое число неблагоприятных реакций (НР) (р&gt;0,05), однако число инфекций у больных, получающих ГК, было статистически значимо выше (9,5% и 0% соответственно; р=0,009). Необходимость в приеме нестероидных противовоспалительных препаратов (НПВП) в начале исследования была у 93,2% больных – в среднем 21,1 дня в месяц; через 24 недели она сохранялась у 54,4% пациентов в среднем 3,8 дня в месяц. В целом профиль безопасности пк МТ был приемлемым.</p></sec><sec><title>Заключение</title><p>Заключение. При высокой активности РА тактика начала терапии с пк введения МТ по 15 мг в неделю и быстрая эскалация его дозы на 2,5 мг еженедельно до 22,5–25 мг/нед. позволяет достичь целей терапии к 3-му месяцу у 17,8%, а к 6-му месяцу – у 54,5% больных, быстро улучшить КЖ, уменьшить боль, снизить дозу ГК или полностью их отменить уже к 3-му месяцу терапии, в 7 раз снизить необходимость в приеме НПВП при приемлемом уровне безопасности терапии.</p></sec></abstract><trans-abstract xml:lang="en"><p>The aim of the study – to analyze the effectiveness and tolerability of subcutaneous methotrexate (sc MTX) (Metorthrit; S.C. Rompharm Company S.R.L) in patients with rheumatoid arthritis (RA) with high disease activity and rapid dose escalation, to assess their quality of life (QoL) in real clinical practice.</p><sec><title>Material and methods</title><p>Material and methods. The study included 105 patients, mostly women, with a reliable diagnosis of RA with high disease activity (DAS-28 (Disease Activity Score 28) ≥5.1) aged 18 years and older and ineffectiveness of previous oral MTX therapy for at least 6 months or who had not received MTX. Sc MTX therapy was started at a dose of 15 mg/weekly. During the first month of therapy, a rapid escalation of the sc MTX dose of 2.5 mg/week was performed once a week. until the dose of 22.5 mg/week was reached, then, with insufficient response, the dose of sc MTX could be increased to 25 mg/week. The evaluation of the effectiveness of therapy, functional status, and QoL was carried out after 4–12–18–24 weeks.</p></sec><sec><title>Results</title><p>Results. After a rapid escalation of the sc MTX dose during the first month of the study, at all stages of follow-up, a rapid decrease in disease activity was noted for all standard indices (DAS-28 – from 5.8±0.75 to 2.93±1.05; CDAI (Clinical Disease Activity Score) – from 30.13±8.33 to 7.08±6.07; SDAI (Simplified Disease Activity Score) – from 32.78±9.64 to 7.48±6.53) and the activity index, which was evaluated by the patients themselves (RAPID-3 (Routine Assessment of Patient Index Data 3) from 16.18±4.6 to 5.56±4.66; p≤0.05). The number of patients with high disease activity according to DAS-28 decreased by 2 times by the week 4 of therapy (to 46.2%), after 12 weeks they remained 13.3%, and by week 24 high activity remained only in 4.4% of patients. There was a marked decrease in pain from 65.6±13.07 to 20.5±17.1 mm in VAS (Visual Analogue Score) (p&lt;0.001), which contributed to an improvement in the functional state: the HAQ (Health Assessment Questionnaire) index decreased on average from 1.47±0.65 to 0.64±052 points. Population indicators of functional status (HAQ≤0.5) by the week 24 of therapy were observed in 48.9% of patients. A decrease in the level of fatigue (from 6.25±7.04 to 1.81±1.71 cm according to VAS; p&lt;0.001) was accompanied by a decrease in anxiety (from 7.47±4.03 to 2.36±2.72; p&lt;0.001) and depression (from 7.77±3.84 to 2.50±2.56; p&lt;0.001), as well as improved sleep. By the week 24 of the study, 45% of patients had population-based indicators of QoL according to the EQ-5D index. Glucocorticoids (GC) were completely eliminated in 2/3 of the patients. Patients who did not receive GC had lower disease activity by 24 weeks in all indices: DAS-28 (2.7±0.1 and 3.4±0.2, respectively), CDAI (6.0±0.3 and 10.2±0.1), SDAI (6.4±0.2 and 10.9±0.3) (p&lt;0.05). Patients receiving and not receiving GC had the same number of adverse reactions (p&gt;0.05), however, the number of infections in patients receiving GC was significantly higher (9.5% and 0.0%, respectively; p=0.009). The need for nonsteroidal anti-inflammatory drugs (NSAIDs) at the beginning of the study was in 93.2% of patients on average 21.1 days per month, after 24 weeks, the need for NSAIDs was in 54.4% of patients on average 3.8 days per month. In general, the safety profile of MTX was acceptable.</p></sec><sec><title>Conclusion</title><p>Conclusion. With high RA activity, the tactics of starting therapy with sc MTX at a dose of 15 mg per week and a rapid escalation of its dose of 2.5 mg weekly to 22.5–25 mg/week, allows achieving therapy goals by 3 months in 17.8% of patients, and by 6 months in 54.5%, to quickly improve the QoL, reduce the level of pain, reduce the dose of GC by 3 months of therapy or completely cancel them, reduce the need for NSAIDs by 7 times with an acceptable level of therapy safety.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>ревматоидный артрит</kwd><kwd>метотрексат</kwd><kwd>метортрит</kwd></kwd-group><kwd-group xml:lang="en"><kwd>rheumatoid arthritis</kwd><kwd>methotrexate</kwd><kwd>subcutaneous methotrexate</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">Smolen JS, Landewé RBM, Bergstra SA, Kerschbaumer A, Sepriano A, Aletaha D, et al. 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