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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="other" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Oncohematology</journal-id><journal-title-group><journal-title xml:lang="en">Oncohematology</journal-title><trans-title-group xml:lang="ru"><trans-title>Онкогематология</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1818-8346</issn><issn publication-format="electronic">2413-4023</issn><publisher><publisher-name xml:lang="en">Publishing House ABV Press</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">934</article-id><article-id pub-id-type="doi">10.17650/1818-8346-2024-19-3-16-33</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>NEW DIRECTIONS, DIAGNOSTIC OPPORTUNITIES, AND TREATMENT ADVANCES</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>НОВЫЕ НАПРАВЛЕНИЯ, ВОЗМОЖНОСТИ ДИАГНОСТИКИ И УСПЕХИ ЛЕЧЕНИЯ</subject></subj-group><subj-group subj-group-type="article-type"><subject></subject></subj-group></article-categories><title-group><article-title xml:lang="en">Clinical and hematological factors predicting the effectiveness of ruxolitinib in primary and secondary myelofibrosis. Results of a prospective single-center study</article-title><trans-title-group xml:lang="ru"><trans-title>Клинико-гематологические факторы прогноза эффективности применения руксолитиниба при первичном и вторичном миелофиброзе. Результаты проспективного одноцентрового исследования</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-3669-0141</contrib-id><name-alternatives><name xml:lang="en"><surname>Vinogradova</surname><given-names>O. Yu.</given-names></name><name xml:lang="ru"><surname>Виноградова</surname><given-names>О. Ю.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Department of Oncology, Hematology and Radiation Therapy, Faculty of Pediatrics, N. I. Pirogov Russian National Research Medical University, Ministry of Health of Russia</p><p><italic>Build. 17, 5 2 nd Botkinskiy Proezd, Moscow 125284,</italic></p><p><italic>1 Samory Mashela St., Moscow 117997, </italic></p><p><italic>1 Ostrovityanova St., Moscow 117513</italic></p></bio><bio xml:lang="ru"><p>Кафедра онкологии, гематологии и лучевой терапии педиатрического факультета ФГАОУ ВО «Российский национальный исследовательский медицинский университет им. Н. И. Пирогова» Минздрава России</p><p><italic>125284 Москва, 2-й Боткинский пр-д, 5, корп. 17; </italic></p><p><italic>17997 Москва, ул. Саморы Машела, 1; </italic></p><p><italic>117513 Москва, ул. Островитянова, 1</italic></p></bio><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5658-9729</contrib-id><name-alternatives><name xml:lang="en"><surname>Pankraskina</surname><given-names>M. M.</given-names></name><name xml:lang="ru"><surname>Панкрашкина</surname><given-names>М. М.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p><bold>Mariya M. Pankrashkina</bold></p><p><italic>Build. 17, 5 2 nd Botkinskiy Proezd, Moscow 125284</italic></p></bio><bio xml:lang="ru"><p><bold>Мария Михайловна Панкрашкина </bold></p><p><italic>125284 Москва, 2-й Боткинский пр-д, 5, корп. 17</italic></p></bio><email>bobkowa.hematol@mail.ru</email></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-9524-7070</contrib-id><name-alternatives><name xml:lang="en"><surname>Neverova</surname><given-names>A. L.</given-names></name><name xml:lang="ru"><surname>Неверова</surname><given-names>А. Л.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p><bold>Anna L. Neverova </bold></p><p><italic>Build. 17, 5 2 nd Botkinskiy Proezd, Moscow 125284</italic></p></bio><bio xml:lang="ru"><p><bold>Анна Леонидовна Неверова </bold></p><p><italic>125284 Москва, 2-й Боткинский пр-д, 5, корп. 17</italic></p></bio><email>anyuta6549@yandex.ru</email></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1384-1621</contrib-id><name-alternatives><name xml:lang="en"><surname>Shikhbabaeva</surname><given-names>D. I.</given-names></name><name xml:lang="ru"><surname>Шихбабаева</surname><given-names>Д. И.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p><italic>Build. 17, 5 2 nd Botkinskiy Proezd, Moscow 125284</italic></p></bio><bio xml:lang="ru"><p><italic>125284 Москва, 2-й Боткинский пр-д, 5, корп. 17</italic></p></bio></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0002-9306-0960</contrib-id><name-alternatives><name xml:lang="en"><surname>Murzabekova</surname><given-names>M. A.</given-names></name><name xml:lang="ru"><surname>Мурзабекова</surname><given-names>М. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p><italic>Build. 17, 5 2 nd Botkinskiy Proezd, Moscow 125284</italic></p></bio><bio xml:lang="ru"><p><italic>125284 Москва, 2-й Боткинский пр-д, 5, корп. 17</italic></p></bio></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7869-209X</contrib-id><name-alternatives><name xml:lang="en"><surname>Chernikov</surname><given-names>M. V.</given-names></name><name xml:lang="ru"><surname>Черников</surname><given-names>М. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p><italic>Build. 17, 5 2 nd Botkinskiy Proezd, Moscow 125284</italic></p></bio><bio xml:lang="ru"><p><italic>125284 Москва, 2-й Боткинский пр-д, 5, корп. 17</italic></p></bio></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5376-7473</contrib-id><name-alternatives><name xml:lang="en"><surname>Popova</surname><given-names>A. V.</given-names></name><name xml:lang="ru"><surname>Попова</surname><given-names>А. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Department of Oncology, Hematology and Radiation Therapy, Faculty of Pediatrics</p><p><italic>1 Ostrovityanova St., Moscow 117513</italic></p></bio><bio xml:lang="ru"><p>Кафедра онкологии, гематологии и лучевой терапии педиатрического факультета </p><p><italic>117513 Москва, ул. Островитянова, 1</italic></p></bio></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0001-2974-4973</contrib-id><name-alternatives><name xml:lang="en"><surname>Kosenkova</surname><given-names>V. P.</given-names></name><name xml:lang="ru"><surname>Косенкова</surname><given-names>В. П.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p><italic>Build. 17, 5 2 nd Botkinskiy Proezd, Moscow 125284</italic></p></bio><bio xml:lang="ru"><p><italic>125284 Москва, 2-й Боткинский пр-д, 5, корп. 17</italic></p></bio></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8077-5225</contrib-id><name-alternatives><name xml:lang="en"><surname>Egoryan</surname><given-names>L. B.</given-names></name><name xml:lang="ru"><surname>Егорян</surname><given-names>Л. Б.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Department of Hematology and Transfusiology named after acad. I. A. Kassirskiy and A. I. Vorobyov</p><p><italic>Build. 1, 2 / 1 Barrikadnaya St., Moscow 125993</italic></p></bio><bio xml:lang="ru"><p><italic>25993 Москва, ул. Баррикадная, 2 / 1, стр. 1</italic></p></bio><xref ref-type="aff" rid="aff12"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9368-6050</contrib-id><name-alternatives><name xml:lang="en"><surname>Ptushkin</surname><given-names>V. V.</given-names></name><name xml:lang="ru"><surname>Птушкин</surname><given-names>В. В.</given-names></name></name-alternatives><bio xml:lang="en"><p>Department of Oncology, Hematology and Radiation Therapy, Faculty of Pediatrics, N. I. Pirogov Russian National Research Medical University, Ministry of Health of Russia;</p><p>Department of Hematology and Transfusiology named after acad. I. A. Kassirskiy and A. I. Vorobyov, Russian Medical Academy of Continuing Professional Education, Ministry of Health of Russia</p><p><italic>Build. 17, 5 2 nd Botkinskiy Proezd, Moscow 125284,</italic></p><p><italic>1 Samory Mashela St., Moscow 117997, </italic></p><p><italic>1 Ostrovityanova St., Moscow 117513,</italic></p><p><italic>Build. 1, 2 / 1 Barrikadnaya St., Moscow 125993</italic></p></bio><bio xml:lang="ru"><p>Кафедра онкологии, гематологии и лучевой терапии педиатрического факультета ФГАОУ ВО «Российский национальный исследовательский медицинский университет им. Н. И. Пирогова» Минздрава России;</p><p>Кафедра гематологии и трансфузиологии им. акад. И. А. Кассирского и А. И. Воробьева ФГБОУ ДПО «Российская медицинская академия непрерывного профессионального образования» Минздрава России</p><p><italic>125284 Москва, 2-й Боткинский пр-д, 5, корп. 17; </italic></p><p><italic>17997 Москва, ул. Саморы Машела, 1; </italic></p><p><italic>117513 Москва, ул. Островитянова, 1; </italic></p><p><italic>25993 Москва, ул. Баррикадная, 2 / 1, стр. 1</italic></p></bio><xref ref-type="aff" rid="aff9"/><xref ref-type="aff" rid="aff10"/><xref ref-type="aff" rid="aff11"/><xref ref-type="aff" rid="aff12"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Moscow City Hematology Center, S. P. Botkin Moscow Multidisciplinary Scientific and Clinical Center, Moscow Healthcare Department</institution></aff><aff><institution xml:lang="ru">Московский городской гематологический центр ГБУЗ г. Москвы «Московский многопрофильный научно-клинический центр им. С. П. Боткина Департамента здравоохранения г. Москвы»</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Dmitry Rogachev National Medical Research Center of Pediatric Hematology, Oncology and Immunology, Ministry of Health of Russia</institution></aff><aff><institution xml:lang="ru">ФГБУ «Национальный медицинский исследовательский центр детской гематологии, онкологии и иммунологии им. Дмитрия Рогачева» Минздрава России</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">N. I. Pirogov Russian National Research Medical University, Ministry of Health of Russia</institution></aff><aff><institution xml:lang="ru">ФГАОУ ВО «Российский национальный исследовательский медицинский университет им. Н. И. Пирогова» Минздрава России</institution></aff></aff-alternatives><aff-alternatives id="aff4"><aff><institution xml:lang="en"></institution></aff><aff><institution xml:lang="ru">Московский городской гематологический центр ГБУЗ г. Москвы «Московский многопрофильный научно-клинический центр им. С. П. Боткина Департамента здравоохранения г. Москвы»</institution></aff></aff-alternatives><aff-alternatives id="aff5"><aff><institution xml:lang="en">Moscow City Hematology Center, S. P. Botkin Moscow Multidisciplinary Scientific and Clinical Center, Moscow Healthcare Department</institution></aff><aff><institution xml:lang="ru">ФГАОУ ВО «Российский национальный исследовательский медицинский университет им. Н. И. Пирогова» Минздрава России</institution></aff></aff-alternatives><aff-alternatives id="aff6"><aff><institution xml:lang="en">N. I. Pirogov Russian National Research Medical University, Ministry of Health of Russia</institution></aff><aff><institution xml:lang="ru">Московский городской гематологический центр ГБУЗ г. Москвы «Московский многопрофильный научно-клинический центр им. С. П. Боткина Департамента здравоохранения г. Москвы»</institution></aff></aff-alternatives><aff-alternatives id="aff7"><aff><institution xml:lang="en">Moscow City Hematology Center, S. P. Botkin Moscow Multidisciplinary Scientific and Clinical Center, Moscow Healthcare Department</institution></aff><aff><institution xml:lang="ru">ФГБОУ ДПО «Российская медицинская академия непрерывного профессионального образования» Минздрава России</institution></aff></aff-alternatives><aff-alternatives id="aff8"><aff><institution xml:lang="en">Russian Medical Academy of Continuing Professional Education, Ministry of Health of Russia</institution></aff><aff><institution xml:lang="ru">Московский городской гематологический центр ГБУЗ г. Москвы «Московский многопрофильный научно-клинический центр им. С. П. Боткина Департамента здравоохранения г. Москвы»</institution></aff></aff-alternatives><aff-alternatives id="aff9"><aff><institution xml:lang="en">Moscow City Hematology Center, S. P. Botkin Moscow Multidisciplinary Scientific and Clinical Center, Moscow Healthcare Department</institution></aff><aff><institution xml:lang="ru">ФГБУ «Национальный медицинский исследовательский центр детской гематологии, онкологии и иммунологии им. Дмитрия Рогачева» Минздрава России</institution></aff></aff-alternatives><aff-alternatives id="aff10"><aff><institution xml:lang="en">Dmitry Rogachev National Medical Research Center of Pediatric Hematology, Oncology and Immunology, Ministry of Health of Russia</institution></aff><aff><institution xml:lang="ru">ФГАОУ ВО «Российский национальный исследовательский медицинский университет им. Н. И. Пирогова» Минздрава России</institution></aff></aff-alternatives><aff-alternatives id="aff11"><aff><institution xml:lang="en">N. I. Pirogov Russian National Research Medical University, Ministry of Health of Russia</institution></aff><aff><institution xml:lang="ru">ФГБОУ ДПО «Российская медицинская академия непрерывного профессионального образования» Минздрава России</institution></aff></aff-alternatives><aff id="aff12"><institution>Russian Medical Academy of Continuing Professional Education, Ministry of Health of Russia</institution></aff><pub-date date-type="pub" iso-8601-date="2024-09-03" publication-format="electronic"><day>03</day><month>09</month><year>2024</year></pub-date><volume>19</volume><issue>3</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>16</fpage><lpage>33</lpage><history><date date-type="received" iso-8601-date="2024-09-01"><day>01</day><month>09</month><year>2024</year></date><date date-type="accepted" iso-8601-date="2024-09-01"><day>01</day><month>09</month><year>2024</year></date></history><permissions><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/></permissions><self-uri xlink:href="https://oncohematology.abvpress.ru/ongm/article/view/934">https://oncohematology.abvpress.ru/ongm/article/view/934</self-uri><abstract xml:lang="en"><p><bold>Background</bold>. Currently, targeted therapy is the most promising for the treatment of myelofibrosis (MF). Today, the results of many years of experience with the use of ruxolitinib, including outside randomized trials and the identification of predictors of its effectiveness are important.</p><p><bold>Aim</bold>. To evaluate the results of long-term ruxolitinib therapy in patients with primary and secondary MF resistant to standard treatment and compare the effectiveness of MF targeted therapy in patient groups depending on age, gender, clinical, laboratory and morphological parameters.</p><p><bold>Materials and methods</bold>. The prospective study included 206 patients (95 (46 %) men and 111 (54 %) women aged 18–84 (mean 64) years) with MF in the chronic phase who received ruxolitinib: 154 (75 %) with primary MF, 39 (19 %) – with post-polycythemic, 13 (6 %) – with post-thrombocythemic. The median duration of chronic myeloproliferative disease from diagnosisto prescription of ruxolitinib was 75 (1–432) months. According to DIPSS (Dynamic International Prognostic Scoring System), 15 % of patients were classified as high risk, 35 % as intermediate-2, 33 % as intermediate-1, and 17 % as low-risk. 44 % of patients had MF3, 49 % – MF2, 7 % – MF1. 71 % of patients had JAK2 V617F mutation, 3 % – MPL, 19 % – CALR, and in 7 % triple negative status was detected.</p><p><bold>Results</bold>. The median duration of ruxolitinib therapy was 24 (1–116) months. Clinical and hematological response at 1 month: complete and partial response – 14 %, clinical improvement – 20 %, stabilization – 57 %; at 3 months – 21, 34, 36 %, at 1 year – 34, 21, 34 %, respectively. No response was obtained in 18 % of patients. The median allele burden of JAK2 V617F during observation decreased more than twice from the initial value in half of the patients. The median of progression-free survival (PFS) from the start of ruxolitinib therapy was 28 months, the median of overall survival (OS) has not been achieved. PFS at 1 year of treatment was 68 %, at 2 years – 56 %, at 3 years – 46 %, at 5 years – 32 %, OS – 87, 75, 68, and 54 %, respectively. Among many factors analyzed before starting ruxolitinib therapy, the following ones had statistically proofed significance for PFS: age, DIPSS risk level,therapy with hydroxycarbamide, interferon, white blood cell count, platelet count, hemoglobin level, and degree of fibrosis. For OS,the following factors were significantly important: age, risk level according to DIPSS,type of MF, interferon therapy, white blood cell count, platelet count, hemoglobin level, and degree of fibrosis.</p><p><bold>Conclusion</bold>. The long-term effectiveness of ruxolitinib therapy for primary and secondary MF has been demonstrated. Gender, age, clinical, laboratory, and morphological prognostic factors of ruxolitinib therapy efficiency in MF have been identified.</p></abstract><trans-abstract xml:lang="ru"><p><bold>Введение</bold>. В настоящее время таргетная терапия является наиболее перспективной для лечения миелофиброза (МФ). Сегодня важны результаты многолетнего опыта применения руксолитиниба, в том числе вне рандомизированных исследований, определение предикторов его эффективности.</p><p><bold>Цель исследования</bold> – оценка результатов долгосрочной терапии руксолитинибом больных первичным и вторичным МФ, резистентных к стандартному лечению, сопоставление эффективности таргетной терапии МФ c рядом исходных гендерных, возрастных, клинико-лабораторных и морфологических параметров.</p><p><bold>Материалы и методы</bold>. В проспективное исследование вошли 206 пациентов (95 (46 %) мужчин и 111 (54 %) женщин) с МФ в хронической фазе, получавших руксолитиниб: 154 (75 %) – с первичным МФ, 39 (19 %) – с постполицитемическим, 13 (6 %) – с посттромбоцитемическим. Средний возраст пациентов составил 64 (18–84) года. Медиана длительности хронического миелопролиферативного заболевания от диагностики до назначения руксолитиниба – 75 (1–432) мес. К группе высокого риска по шкале DIPSS (Dynamic International Prognostic Scoring System, Динамическая международная прогностическая шкала) отнесены 15 % больных, промежуточного-2 – 35 %, промежуточного-1 – 33 %, низкого – 17 %. В основном наблюдали высокую степень фиброза: у 44 % пациентов – МФ3, у 49 % – МФ2, у 7 % – МФ1. У 71 % больных выявлена мутация JAK2 V617F, у 3 % – MPL, у 19 % – CALR, у 7 % – тройной негативный статус.</p><p><bold>Результаты</bold>. Медиана продолжительности терапии руксолитинибом – 24 (1–116) мес. Клинико-гематологический ответ к 1 мес: полный и частичный ответ – 14 %, клиническое улучшение – 20 %, стабилизация состояния – 57 %; к 3 мес – 21, 34, 36 %, к 1 году – 34, 21, 34 % соответственно. У 18 % больных ответ не получен. Медиана аллельной нагрузки JAK2 V617F за время наблюдения снизилась от исходного значения более чем на 50 % у половины больных. Медиана выживаемости без прогрессирования (ВБП) от начала терапии руксолитинибом составила 28 мес, общая выживаемость (ОВ) не достигнута. ВБП к 1 году лечения – 68 %, к 2 годам – 56 %, к 3 годам – 46 %, к 5 годам – 32 %, ОВ – 87, 75, 68 и 54 % соответственно. Среди проанализированных факторов статистически значимыми для ВБП были возраст, степень риска по DIPSS, факт терапии гидроксикарбамидом, интерфероном, количество лейкоцитов, тромбоцитов, уровень гемоглобина, степень фиброза перед началом терапии руксолитинибом. Для ОВ статистически значимыми были возраст, степень риска по DIPSS, вариант МФ, факттерапии интерфероном, количество лейкоцитов,тромбоцитов, уровень гемоглобина, степень фиброза.</p><p><bold>Заключение</bold>. Продемонстрирована долгосрочная эффективность терапии руксолитинибом первичного и вторичного МФ, выявлены гендерные, возрастные, клинико-лабораторные, морфологические факторы прогноза МФ при терапии руксолитинибом.</p></trans-abstract><kwd-group xml:lang="en"><kwd>myeloproliferative neoplasm</kwd><kwd>myeloproliferative disease</kwd><kwd>myelofibrosis</kwd><kwd>primary myelofibrosis</kwd><kwd>postthrombocythemic myelofibrosis</kwd><kwd>post-polycythemic myelofibrosis</kwd><kwd>JAK2 V617F</kwd><kwd>targeted therapy</kwd><kwd>ruxolitinib</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>миелопролиферативное новообразование</kwd><kwd>миелопролиферативное заболевание</kwd><kwd>миелофиброз</kwd><kwd>первичный миелофиброз</kwd><kwd>посттромбоцитемический миелофиброз</kwd><kwd>постполицитемический миелофиброз</kwd><kwd>JAK2 V617F</kwd><kwd>таргетная терапия</kwd><kwd>руксолитиниб</kwd></kwd-group><funding-group><funding-statement xml:lang="en">The article was prepared based on the results of studies carried out at the expense of budgetary funds on the state assignment of the S.P. 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