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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">mrj</journal-id><journal-title-group><journal-title xml:lang="ru">Современная ревматология</journal-title><trans-title-group xml:lang="en"><trans-title>Modern Rheumatology Journal</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1996-7012</issn><issn pub-type="epub">2310-158X</issn><publisher><publisher-name>IMA-PRESS, LLC</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.14412/1996-7012-2021-6-55-60</article-id><article-id custom-type="elpub" pub-id-type="custom">mrj-1227</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 INVESTIGATIONS</subject></subj-group></article-categories><title-group><article-title>Связь полиморфизма Q141K гена ABCG2 с эффективностью уратснижающей терапии у пациентов с подагрой (пилотное исследование)</article-title><trans-title-group xml:lang="en"><trans-title>Association of the Q141K polymorphism of the ABCG2 gene with the effectiveness of urate-lowering therapy in patients with gout (a pilot 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/0000-0003-1191-5831</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Елисеев</surname><given-names>М. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Eliseev</surname><given-names>M. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>115522, Москва, Каширское шоссе, 34А</p></bio><bio xml:lang="en"><p>34A, Kashirskoe shosse, Moscow 115522</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/0000-0002-8777-7597</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Чикина</surname><given-names>М. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Chikina</surname><given-names>M. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>115522, Москва, Каширское шоссе, 34А</p></bio><bio xml:lang="en"><p>34A, Kashirskoe shosse, Moscow 115522</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/0000-0002-4906-7148</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Гусева</surname><given-names>И. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Guseva</surname><given-names>I. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>115522, Москва, Каширское шоссе, 34А</p></bio><bio xml:lang="en"><p>34A, Kashirskoe shosse, Moscow 115522</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/0000-0002-5394-7869</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Желябина</surname><given-names>О. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Zhelyabina</surname><given-names>O. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>115522, Москва, Каширское шоссе, 34А</p></bio><bio xml:lang="en"><p>34A, Kashirskoe shosse, Moscow 115522</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/0000-0001-7501-9185</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Самаркина</surname><given-names>Е. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Samarkina</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>34A, Kashirskoe shosse, Moscow 115522</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/0000-0003-4316-1077</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Коновалова</surname><given-names>Н. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Konovalova</surname><given-names>N. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>127550, Москва, ул. Тимирязевская, 42</p></bio><bio xml:lang="en"><p>42, Timiryazevskaya street, Moscow 127550</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/0000-0001-7004-981X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Варламов</surname><given-names>Д. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Varlamov</surname><given-names>D. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>127550, Москва, ул. Тимирязевская, 42</p></bio><bio xml:lang="en"><p>42, Timiryazevskaya street, Moscow 127550</p></bio><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБНУ «Научно-исследовательский институт ревматологии им. В.А. Насоновой»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>V.A. Nasonova Research Institute of Rheumatology</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ФГБНУ «Всероссийский научно-исследовательский институт сельскохозяйственной биотехнологии»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>All-Russia Research Institute of Agricultural Biotechnology</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>14</day><month>12</month><year>2021</year></pub-date><volume>15</volume><issue>6</issue><fpage>55</fpage><lpage>60</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Елисеев М.С., Чикина М.Н., Гусева И.А., Желябина О.В., Самаркина Е.Ю., Коновалова Н.В., Варламов Д.А., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Елисеев М.С., Чикина М.Н., Гусева И.А., Желябина О.В., Самаркина Е.Ю., Коновалова Н.В., Варламов Д.А.</copyright-holder><copyright-holder xml:lang="en">Eliseev M.S., Chikina M.N., Guseva I.A., Zhelyabina O.V., Samarkina E.Y., Konovalova N.V., Varlamov D.A.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" 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://mrj.ima-press.net/mrj/article/view/1227">https://mrj.ima-press.net/mrj/article/view/1227</self-uri><abstract><p>Приоритетной задачей лечения подагры является достижение целевого уровня МК в сыворотке крови.</p><p>Цель исследования – изучение взаимосвязи полиморфизма (rs2231142) гена ABCG2 с эффективностью аллопуринола и фебуксостата у пациентов с подагрой.</p><sec><title>Пациенты и методы</title><p>Пациенты и методы. В исследование включено 82 пациента с подагрой старше 18 лет с сывороточным уровнем МК &gt;360 мкмоль/л, не принимавших уратснижающие препараты.</p><p>Всем пациентам назначался аллопуринол в дозе 100 мг/сут с последующим ее титрованием до достижения целевого уровня МК (&lt;360 мкмоль/л или &lt;300 мкмоль/л у страдающих хронической тофусной подагрой), максимально – до 900 мг/сут, при скорости клубочковой фильтрации &lt;60 мл/мин/1,73 м2 – до 300 мг/сут. Пациентам, не достигшим целевого уровня МК при использовании аллопуринола, назначался фебуксостат в дозе 80 мг/сут, которая при необходимости увеличивалась до 120 мг/сут. Наблюдение за каждым пациентом продолжали до достижения целевого уровня МК сыворотки.</p><p>Всем пациентам проводилось генотипирование полиморфизма С&gt;А (rs2231142) гена ABCG2. Сравнивали вероятность достижения целевого уровня МК, средние значения снижения сывороточного уровня МК, средние дозы уратснижающих препаратов у пациентов с разными генотипами (СС, СA, AA) гена ABCG2.</p></sec><sec><title>Результаты и обсуждение</title><p>Результаты и обсуждение. Целевой уровень МК у 45 (55%) из 82 пациентов был определен как &lt;300 мкмоль/л, у остальных 37 – как &lt;360 мкмоль/л. У 26 больных доза аллопуринола не превышала 300 мг/сут. У 28 (34%) пациентов на фоне терапии аллопуринолом зарегистрирован целевой уровень МК, у остальных 54 (66%) пациентов аллопуринол был заменен на фебуксостат, при этом у 22 (41%) из них уровень МК снизился и не превышал целевой.</p><p>Генотип СС гена ABCG2 выявлен у 51 (62%) пациента, генотип СА – у 30 (37%) и минорный генотип – АА у 1 (1%). Вероятность достижения целевого уровня МК на фоне терапии аллопуринолом у носителей гомозиготного генотипа СС и генотипов СА или АА не различалась: 17 (33%) и 11 (35%) случаев соответственно, но пациентам с генотипами СА и АА требовалась значимо большая доза аллопуринола (365±102 мг/сут), чем пациентам с генотипом СС (290±85 мг/сут), р=0,002. Из 54 пациентов, принимавших фебуксостат и не достигших целевого уровня МК, 30 (56%) имели генотип СС и 24 (44%) – генотип СА, вероятность достижения целевого уровня МК у них также была сопоставимой (p=0,22).</p></sec><sec><title>Заключение</title><p>Заключение. Вероятность достижения целевого уровня МК сыворотки крови у пациентов с подагрой, принимающих аллопуринол, не связана с полиморфизмом С&gt;А гена ABCG2, но наличие генотипов СА и АА отождествляется с большей дозой препарата. Полиморфизм С&gt;А (rs2231142) гена ABCG2 не влияет на возможность достижения цели терапии при применении фебуксостата у пациентов с неэффективностью аллопуринола.</p></sec></abstract><trans-abstract xml:lang="en"><p>Achieving the target serum uric acid (UA) level is a priority in the treatment of gout.</p><sec><title>Objective</title><p>Objective: to study the relationship of the ABCG2 gene polymorphism (rs2231142) with the efficacy of allopurinol and febuxostat in patients with gout.</p></sec><sec><title>Patients and methods</title><p>Patients and methods. The study included 82 patients with gout over 18 years of age with serum UA level &gt;360 μmol/L who did not take uratelowering therapy.</p><p>All patients were prescribed allopurinol 100 mg daily, followed by its titration until the target UA level was reached (&lt;360 μmol/L or &lt;300 μmol/L in patients with chronic tofus gout), up to a maximum of 900 mg/day, in patients with glomerular filtration rate &lt;60 ml/min/1.73 m2 – up to 300 mg/day. Patients who did not reach the target UA level when using allopurinol were prescribed febuxostat 80 mg/day, which, if necessary, was increased to 120 mg/day. Monitoring of each patient was continued until the target serum UA level was reached.</p><p>All patients underwent genotyping of the C&gt;A polymorphism (rs2231142) of the ABCG2 gene. We compared the probability of achieving the target UA level, the mean values of a decrease in the serum UA level, and the mean doses of urate-lowering drugs in patients with different genotypes (CC, CA, AA) of the ABCG2 gene.</p></sec><sec><title>Results and discussion</title><p>Results and discussion. The target UA level in 45 (55%) of 82 patients was defined as &lt;300 μmol/L, in the remaining 37 – as &lt;360 μmol/L.</p><p>In 26 patients, the dose of allopurinol did not exceed 300 mg/day. In 28 (34%) patients treated with allopurinol, the target UA level was achieved, in the remaining 54 (66%) patients, allopurinol was substituted by febuxostat, and in 22 (41%) of them the UA level decreased and was below the target.</p><p>The CC genotype of the ABCG2 gene was detected in 51 (62%) patients, the CA genotype in 30 (37%) and the minor genotype AA in 1 (1%).</p><p>The probability of achieving the target UA level during therapy with allopurinol in carriers of homozygous CC genotype and genotypes CA or AA did not differ: 17 (33%) and 11 (35%) cases, respectively, but patients with CA and AA genotypes required a significantly higher dose of allopurinol (365±102 mg/day) than patients with the CC genotype (290±85 mg/day), p=0.002. Of the 54 patients who took febuxostat and did not reach the target UA level, 30 (56%) had the CC genotype and 24 (44%) had the CA genotype, the probability of reaching the target UA level was also comparable (p=0.22).</p></sec><sec><title>Conclusion</title><p>Conclusion. The probability of reaching the target serum UA level in patients with gout taking allopurinol is not associated with the C&gt;A polymorphism of the ABCG2 gene, but the presence of CA and AA genotypes is identified with a higher dose of the drug. The C&gt;A (rs2231142) polymorphism of the ABCG2 gene does not affect the ability to achieve the goal of therapy when using febuxostat in patients with allopurinol ineffectiveness.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>подагра</kwd><kwd>ген ABCG2</kwd><kwd>аллопуринол</kwd><kwd>фебуксостат</kwd><kwd>мочевая кислота</kwd><kwd>целевой уровень</kwd></kwd-group><kwd-group xml:lang="en"><kwd>gout</kwd><kwd>gene ABCG2</kwd><kwd>allopurinol</kwd><kwd>febuxostat</kwd><kwd>uric acid</kwd><kwd>target level</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена в рамках прикладного научного исследования «Оптимизация методов симптоматической противовоспалительной терапии у пациентов с микрокристаллическими артритами (подагра, болезнь депонирования кристаллов пирофосфата кальция)» (№2020-397-007).</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">Richette P, Doherty M, Pascual E, et al. 2016 updated EULAR evidence-based recommendations for the management of gout. 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