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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Terapevticheskii arkhiv</journal-id><journal-title-group><journal-title xml:lang="en">Terapevticheskii arkhiv</journal-title><trans-title-group xml:lang="ru"><trans-title>Терапевтический архив</trans-title></trans-title-group></journal-title-group><issn publication-format="print">0040-3660</issn><issn publication-format="electronic">2309-5342</issn><publisher><publisher-name xml:lang="en">LLC Obyedinennaya Redaktsiya</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">32095</article-id><article-id pub-id-type="doi">10.17116/terarkh2016881269-77</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Editorial article</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Передовая статья</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Efficiency of interferon therapy in patients with essential thrombocythemia or polycythemia vera</article-title><trans-title-group xml:lang="ru"><trans-title>Эффективность интерферонотерапии у больных эссенциальной тромбоцитемией и истинной полицитемией</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Sokolova</surname><given-names>M A</given-names></name><name xml:lang="ru"><surname>Соколова</surname><given-names>М А</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Turkina</surname><given-names>A G</given-names></name><name xml:lang="ru"><surname>Туркина</surname><given-names>А Г</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Melikian</surname><given-names>A L</given-names></name><name xml:lang="ru"><surname>Меликян</surname><given-names>А Л</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Sudarikov</surname><given-names>A B</given-names></name><name xml:lang="ru"><surname>Судариков</surname><given-names>А Б</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Treglazova</surname><given-names>S A</given-names></name><name xml:lang="ru"><surname>Треглазова</surname><given-names>С А</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Shukhov</surname><given-names>O A</given-names></name><name xml:lang="ru"><surname>Шухов</surname><given-names>О А</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Gemdzhian</surname><given-names>E G</given-names></name><name xml:lang="ru"><surname>Гемджян</surname><given-names>Э Г</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Abdullaev</surname><given-names>A О</given-names></name><name xml:lang="ru"><surname>Абдуллаев</surname><given-names>А О</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kovrigina</surname><given-names>A M</given-names></name><name xml:lang="ru"><surname>Ковригина</surname><given-names>А М</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Misyurin</surname><given-names>A V</given-names></name><name xml:lang="ru"><surname>Мисюрин</surname><given-names>А В</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Pliskunova</surname><given-names>Yu V</given-names></name><name xml:lang="ru"><surname>Плискунова</surname><given-names>Ю В</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Ivanova</surname><given-names>V L</given-names></name><name xml:lang="ru"><surname>Иванова</surname><given-names>В Л</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Moiseeva</surname><given-names>T N</given-names></name><name xml:lang="ru"><surname>Моисеева</surname><given-names>Т Н</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en"></institution></aff><aff><institution xml:lang="ru">Гематологический научный центр Минздрава России</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2016-12-15" publication-format="electronic"><day>15</day><month>12</month><year>2016</year></pub-date><volume>88</volume><issue>12</issue><issue-title xml:lang="en">VOL 88, NO12 (2016)</issue-title><issue-title xml:lang="ru">ТОМ 88, №12 (2016)</issue-title><fpage>69</fpage><lpage>77</lpage><history><date date-type="received" iso-8601-date="2020-04-10"><day>10</day><month>04</month><year>2020</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2016, Consilium Medicum</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2016, ООО "Консилиум Медикум"</copyright-statement><copyright-year>2016</copyright-year><copyright-holder xml:lang="en">Consilium Medicum</copyright-holder><copyright-holder xml:lang="ru">ООО "Консилиум Медикум"</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://creativecommons.org/licenses/by-nc-sa/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://ter-arkhiv.ru/0040-3660/article/view/32095">https://ter-arkhiv.ru/0040-3660/article/view/32095</self-uri><abstract xml:lang="en"><p>Aim. To evaluate the efficiency of interferon (IFN) therapy in patients with essential thrombocythemia (ET) and polycythemia vera (PV). Subjects and methods. A total of 61 patients (41 with ET and 20 with PV) were examined. Prior to study enrolment, 44 (72%) patients with ET or PV received one or other therapy (aspirin was not taken into account). The mean Jak2V617F mutant allele at baseline was 23% (6—54%) in the patients with ET and 40% (11—88%) in those with PV. The median time from diagnosis to enrollment was 49 months. Results. The paper presents the clinical and molecular findings of long-term INF-α therapy in patients with ET or PV. The median follow-up was 52 months. Recombinant IFN-α2 showed its ability to induce complete hematologic remission (ET (76%), PV (70%)) and a complete molecular response. 22 (69%) out of 32 patients were noted to have a smaller number of cells with the Jak2V617F mutation. In the patients with PV and in those with ET, the relative reduction in the proportion of cells with the Jak2V617F mutant gene averaged 85% and 56% of the baseline values, respectively. There was a reduction in the proportion of cells expressing the Jak2V617F mutation in both the ET (from 12 to 2.2%; p=0.001) and PV (from 32.7% to 3.2%) groups (р=0.001). Ten (31%) patients achieved a deep molecular remission (≤2% Jak2V617F allele); among them, 5 patients were not found to have Jak2V617F mutation. The obtained molecular response remained in 7 of the 10 patients untreated for 11 to 86 months. The long-term treatment with IFN-α led to normalization of the morphological pattern of bone marrow in 5 of the 7 PV or ET patients. Conclusion. Significant molecular remissions achieved by therapy with recombinant interferon-α2 confirm the appropriateness of this treatment option in in the majority of patients with ET or PV.</p></abstract><trans-abstract xml:lang="ru"><p>Резюме Цель исследования. Оценка эффективности интерферонотерапии у больных эссенциальной тромбоцитемией (ЭТ) и истинной полицитемией (ИП). Материалы и методы. Обследовали 61 пациента: 41 с ЭТ и 20 с ИП. До включения в исследование 44 (72%) больных ЭТ и ИП получали ту или иную терапию (ацетилсалициловая кислота не учитывалась). Средняя мутантная нагрузка Jak2V617F при включении в исследование составляла у пациентов с ЭТ 23% (6—54%), а у пациентов с ИП — 40% (11—88%). Среднее время от установления диагноза до момента включения в исследование составило 49 мес. Результаты. Представлены клинико-молекулярные результаты длительного лечения больных ЭТ и ИП препаратами интерферона-α. Медиана наблюдения достигала 52 мес. Показана способность рекомбинантного интерферона-α2 (ИФН-α2) индуцировать полную гематологическую ремиссию (ЭТ 76%, ИП 70%) и полный молекулярный ответ. У 22 (69%) из 32 пациентов отмечено уменьшение количества клеток с мутацией гена Jak2V617F. В среднем относительное уменьшение доли клеток с мутантным геном Jak2V617F у больных ИП составило 85%, у больных с ЭТ — 56% от исходного. Уменьшение доли клеток с мутацией гена Jak2V617F наблюдалось как в группе ЭT (с 12 до 2,2%; р=0,01), так и в группе ИП (с 32,7 до 3,2%; р=0,01). У 10 (31%) пациентов получена глубокая молекулярная ремиссия (≤2% Jak2V617F); из них у 5 больных мутация гена Jak2V617F не определялась. Полученный молекулярный ответ сохранялся у 7 из 10 больных без лечения от 11 до 86 мес. Длительное лечение с использованием ИФН-α2 привело к нормализации морфологической картины в костном мозге у 5 из 7 больных ИП и ЭТ. Заключение. Достижение значимых молекулярных ремиссий при терапии рекомбинантным ИФН-α2 подтверждает ее целесообразность у большинства пациентов с ЭТ и ИП.</p></trans-abstract><kwd-group xml:lang="en"><kwd>molecular analysis</kwd><kwd>myeloproliferative diseases</kwd><kwd>interferon</kwd><kwd>Jak2</kwd><kwd>prospective study</kwd><kwd>Jak2</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>молекулярный анализ</kwd><kwd>миелопролиферативные заболевания</kwd><kwd>интерферон</kwd><kwd>проспективное исследование</kwd></kwd-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Spivak JL, Hasselbalch H. Hydroxycarbamide: a user’s guide for chronic myeloproliferative disorders. Expert Rev Anticancer Ther. 2011;11(3):403-414. doi:10.1586/era.11.10</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>Kiladjian JJ, Cassinat B, Chevret S, Turlure P, Cambier N, Roussel M, Bellucci S, Grandchamp B, Chomienne C, Fenaux P. 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