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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">pmedpharm</journal-id><journal-title-group><journal-title xml:lang="ru">Фармация и фармакология</journal-title><trans-title-group xml:lang="en"><trans-title>Pharmacy &amp; Pharmacology</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2307-9266</issn><issn pub-type="epub">2413-2241</issn><publisher><publisher-name>Pyatigorsk Medical and Pharmaceutical Institute - branch of Volgograd State Medical Univer</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.19163/2307-9266-2026-14-1-81-96</article-id><article-id custom-type="elpub" pub-id-type="custom">pmedpharm-1814</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>ОРИГИНАЛЬНАЯ СТАТЬЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>RESEARCH ARTICLE</subject></subj-group></article-categories><title-group><article-title>Промежуточные результаты первого этапа многоцентрового открытого мультикогортного исследования безопасности, фармакокинетики, фармакодинамики и эффективности веренафуспа альфа у взрослых пациентов с мукополисахаридозом II типа</article-title><trans-title-group xml:lang="en"><trans-title>Interim results of the first stage of a multicenter open multi-cohort study of the safety, pharmacokinetics, pharmacodynamics and efficacy of veranafusp alfa in adult patients with mucopolysaccharidosis type II</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8774-850X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Лукина</surname><given-names>Е. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Lukina</surname><given-names>E. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>доктор медицинских наук, профессор, заведующий отделением орфанных заболеваний ФГБУ НМИЦ Гематологии Минздрава России. </p><p>Россия, 125167, г. Москва, Новый Зыковский проезд, д. 4.</p></bio><bio xml:lang="en"><p>Doctor of Sciences (Medicine), Professor, Head of the Department of Orphan Diseases of the National Medical Research Center for Hematology. </p><p>4 Novy Zykovsky proezd, Moscow, Russia, 125167.</p></bio><email xlink:type="simple">elenalukina02@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/0000-0002-1218-0796</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Пономарев</surname><given-names>Р. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Ponomarev</surname><given-names>R. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>кандидат медицинских наук, руководитель сектора изучения неопухолевых заболеваний системы крови, врач-гематолог отделения гематологии и химиотерапии орфанных заболеваний ФГБУ НМИЦ Гематологии Минздрава России. </p><p>Россия, 125167, г. Москва, Новый Зыковский проезд, д. 4.</p></bio><bio xml:lang="en"><p>Candidate of Sciences (Medicine), Head of the Sector for the study of non-tumor diseases of the blood system, hematologist at the Department of Hematology and Chemotherapy of Orphan Diseases of the National Medical Research Center for Hematology. </p><p>4 Novy Zykovsky proezd, Moscow, Russia, 125167.</p></bio><email xlink:type="simple">ponomarev.r.v@icloud.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/0000-0003-3489-2759</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Тришина</surname><given-names>С. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Trishina</surname><given-names>S. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>доктор медицинских наук, профессор, заведующий кафедрой пропедевтики педиатрии ФГАУ ВО 3КФУ им. В.И. Вернадского» Ордена Трудового Красного Знамени Медицинский институт имени С.И. Георгиевского.</p><p>Россия, 295007, г. Симферополь, пр-кт Академика Вернадского, д. 4.</p></bio><bio xml:lang="en"><p>Doctor of Sciences (Medicine), Professor, Head of the Department of Propaedeutics of Pediatrics of the Vernadsky Crimean Federal University.</p><p>4 Vernadskogo Ave., Simferopol, Republic of Crimea, Russia, 295007.</p></bio><email xlink:type="simple">S_Tresha@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0009-8891-7713</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Габитова</surname><given-names>Е. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Gabitova</surname><given-names>E. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>специалист кафедры пропедевтики педиатрии ФГАУ ВО «КФУ им. В.И. Вернадского» Ордена Трудового Красного Знамени Медицинский институт имени С.И. Георгиевского. </p><p>Россия, 295007, г. Симферополь, пр-кт Академика Вернадского, д. 4.</p></bio><bio xml:lang="en"><p>specialist of the Department of Propaedeutics of Pediatrics of the Vernadsky Crimean Federal University. </p><p>4 Vernadskogo Ave., Simferopol, Republic of Crimea, Russia, 295007.</p></bio><email xlink:type="simple">helen_gabi@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8320-2027</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Вашакмадзе</surname><given-names>Н. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Vashakmadze</surname><given-names>N. D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>доктор медицинских наук, заведующий отделом орфанных болезней и профилактики инвалидизирующих заболеваний НИИ педиатрии и охраны здоровья детей НКЦ № 2 ФГБНУ «РНЦХ им. акад. Б.В. Петровского»; профессор кафедры факультетской педиатрии Института материнства и детства ФГАОУ ВО РНИМУ им. Н.И. Пирогова Минздрава России. </p><p>1. Россия, 117513, г. Москва, ул. Островитянова, д. 1, стр. 6.</p><p>2. Россия, 119333, г. Москва, ул. Фотиевой, д. 10.</p></bio><bio xml:lang="en"><p>Doctor of Sciences (Medicine), Head of the Department of Orphan Diseases and the Prevention of Disabling Diseases at the Research Institute of Pediatrics and Child Health of the Scientific and Clinical Center No. 2 of the Petrovsky National Research Center of Surgery; Professor of the Department of Faculty Pediatrics at the Institute of Motherhood and Childhood of the Pirogov Russian National Research Medical University. </p><p>1. 1 Ostrovityanov Str., bldg. 6, Moscow, Russia, 117513.</p><p>2. 10 Fotievа Str., Moscow, Russia, 119333.</p><p> </p></bio><email xlink:type="simple">nato-nato@yandex.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8540-3858</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Каркашадзе</surname><given-names>Г. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Karkashadze</surname><given-names>G. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>кандидат медицинских наук, руководитель отдела развития мозга в онтогенезе, формирования когнитивных функций и нейробиологии НИИ педиатрии и охраны здоровья детей НКЦ №2 ФГБНУ «РНЦХ им. акад. Б.В. Петровского». </p><p>Россия, 119333, г. Москва, ул. Фотиевой, д. 10.</p></bio><bio xml:lang="en"><p>Candidate of Sciences (Medicine), Head of the Department of Brain Development in Ontogenesis, Formation of Cognitive Functions and Neurobiology at the Research Institute of Pediatrics and Child Health of the Scientific and Clinical Center No. 2 of the Petrovsky National Research Center of Surgery. </p><p>10 Fotievа Str., Moscow, Russia, 119333.</p></bio><email xlink:type="simple">karkga@mail.ru</email><xref ref-type="aff" rid="aff-4"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2209-7531</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Намазова-Баранова</surname><given-names>Л. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Namazova-Baranova</surname><given-names>L. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>доктор медицинских наук, профессор, академик РАН, заслуженный деятель наук РФ заведующая кафедрой факультетской педиатрии Института материнства и детства ФГАОУ ВО РНИМУ им. Н.И. Пирогова Минздрава России, руководитель НИИ Педиатрии и охраны здоровья детей НКЦ № 2 ФГБНУ «РНЦХ им. акад. Б.В. Петровского». </p><p>1. Россия, 117513, г. Москва, ул. Островитянова, д. 1, стр. 6.</p><p>2. Россия, 119333, г. Москва, ул. Фотиевой, д. 10.</p><p>3. КНР, 518172, г. Шэньчжэнь, ул. Гоцзидасюэюань, д. 1.</p></bio><bio xml:lang="en"><p> Doctor of Sciences (Medicine), Professor, Head of the Department of Faculty Pediatrics at the Institute of Motherhood and Childhood of the Pirogov Russian National Research Medical University; Head of the Research Institute of Pediatrics and Child Health of the Scientific and Clinical Center No. 2 of the Petrovsky National Research Center of Surgery; Academician of the Russian Academy of Sciences, Honored Scientist of the Russian Federation. </p><p>1. 1 Ostrovityanov Str., bldg. 6, Moscow, Russia, 117513.</p><p>2. 10 Fotievа Str., Moscow, Russia, 119333.</p><p>3. 1 Guojidaxueyuan Str., Shenzhen, China, 518172.</p></bio><email xlink:type="simple">leyla.s.namazova@gmail.com</email><xref ref-type="aff" rid="aff-5"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Федеральное государственное бюджетное учреждение «Национальный медицинский исследовательский центр гематологии» Министерства здравоохранения Российской Федерации.<country>Россия</country></aff><aff xml:lang="en">National Medical Research Center for Hematology.<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru">Федеральное государственное автономное образовательное учреждение высшего образования «Крымский федеральный университет имени В.И. Вернадского», Ордена Трудового Красного Знамени Медицинский институт имени С.И. Георгиевского.<country>Россия</country></aff><aff xml:lang="en">Vernadsky Crimean Federal University.<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru">1. Федеральное государственное автономное образовательное учреждение высшего образования «Российский национальный исследовательский медицинский университет имени Н.И. Пирогова» (Пироговоский университет) Министерства здравоохранения Российской Федерации.&#13;
2. Научно-исследовательский институт педиатрии и охраны здоровья детей НКЦ № 2  федерального государственного бюджетного научного учреждения «Российский научный центр хирургии имени академика Б.В. Петровского».<country>Россия</country></aff><aff xml:lang="en">1. Pirogov Russian National Research Medical University.&#13;
2. Research Institute of Pediatrics and Children’s Health in Petrovsky National Research Centre of Surgery.<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-4"><aff xml:lang="ru">Научно-исследовательский институт педиатрии и охраны здоровья детей НКЦ № 2  федерального государственного бюджетного научного учреждения «Российский научный центр хирургии имени академика Б.В. Петровского».<country>Россия</country></aff><aff xml:lang="en">Research Institute of Pediatrics and Children’s Health in Petrovsky National Research Centre of Surgery.<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-5"><aff xml:lang="ru">1. Федеральное государственное автономное образовательное учреждение высшего образования «Российский национальный исследовательский медицинский университет имени Н.И. Пирогова» (Пироговоский университет) Министерства здравоохранения Российской Федерации.&#13;
2. Научно-исследовательский институт педиатрии и охраны здоровья детей НКЦ № 2  федерального государственного бюджетного научного учреждения «Российский научный центр хирургии имени академика Б.В. Петровского».&#13;
3. Университет МГУ-ППИ в Шэньчжэне.<country>Китай</country></aff><aff xml:lang="en">1. Pirogov Russian National Research Medical University.&#13;
2. Research Institute of Pediatrics and Children’s Health in Petrovsky National Research Centre of Surgery.&#13;
3. Shenzhen MSU-BIT University.<country>China</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>22</day><month>03</month><year>2026</year></pub-date><volume>14</volume><issue>1</issue><fpage>81</fpage><lpage>96</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Лукина Е.А., Пономарев Р.В., Тришина С.В., Габитова Е.С., Вашакмадзе Н.Д., Каркашадзе Г.А., Намазова-Баранова Л.С., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Лукина Е.А., Пономарев Р.В., Тришина С.В., Габитова Е.С., Вашакмадзе Н.Д., Каркашадзе Г.А., Намазова-Баранова Л.С.</copyright-holder><copyright-holder xml:lang="en">Lukina E.A., Ponomarev R.V., Trishina S.V., Gabitova E.S., Vashakmadze N.D., Karkashadze G.A., Namazova-Baranova L.S.</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.pharmpharm.ru/jour/article/view/1814">https://www.pharmpharm.ru/jour/article/view/1814</self-uri><abstract><p>В данной статье представлены промежуточные результаты первого этапа (введение препарата пациентам в возрасте ≥18 лет с мукополисахаридозом II типа) многоцентрового открытого мультикогортного исследования фазы II-III (IDB-MPS-II-III), целью которого являлась оценка безопасности, фармакокинетики (ФК), фармакодинамики (ФД) и эффективности веренафуспа альфа у пациентов с МПС II.</p><sec><title>Материал и методы</title><p>Материал и методы. В промежуточный анализ вошли данные 3 пациентов в возрасте от 18 лет, ранее получавших идурсульфазу (2/3) и идурсульфазу бета (1/3). Индивидуальное повышение дозы (1–2–3 мг/кг) выполняли через 2 недели с последующим введением в дозе 3 мг/кг длительностью до 52 недель (всего 52 еженедельные инфузии). Оценивались стандартные параметры ФК. Критерием ФД был уровень гликозаминогликанов (ГАГ) в моче, крови и спинномозговой жидкости (СМЖ). Параметры эффективности включали оценку динамики концентрации ГАГ в моче, крови и СМЖ, объема движений в суставах, объема печени и селезенки, изменение теста 6-минутной ходьбы (6МТ), массы миокарда левого желудочка, функциональной жизненной емкости легких (ФЖЕЛ). Параметры безопасности включали оценку частоты нежелательных явлений (НЯ) и нежелательных реакций (НР), включая аллергические и инфузионные реакции, а также оценку частоты образования антилекарственных антител (АЛА) и их нейтрализующей активности.</p></sec><sec><title>Результаты</title><p>Результаты. Исследуемый препарат продемонстрировал нелинейную ФК в крови и дозозависимое увеличение концентрации в СМЖ. У пациентов отмечалось снижение или стабильность уровня ГАГ в моче, снижение уровня гепарансульфата (ГС) в СМЖ у 2 (66,6%) из 3 пациентов, а также снижение уровня дерматансульфата (ДС) в СМЖ в диапазоне 17,19–80,96%. Отмечено среднее снижение объема печени на 42,500±218,496 см3, объема селезенки на 24,350±9,405 см3 и массы миокарда левого желудочка на 15,333±43,016 г относительно исходного уровня. Средний показатель увеличения дистанции ходьбы по результатам 6МТ, после 1 года терапии составил 76,067±83,561 м. Средние показатели ФЖЕЛ и ОФВ1 статистически значимо не изменялись. Были зарегистрированы 9 НЯ у 3 пациентов (100,0%) легкой степени тяжести преимущественно со стороны печени и желчевыводящих путей и 3 НР, которые являлись инфузионными реакциями и регистрировались преимущественно в первые 4 месяца терапии. В анализируемый период образование антилекарственных антител (АЛА) на скрининге отмечалось у 2 пациентов, а на неделе 52 — у 3 пациентов, что свидетельствует о развитии de novo АЛА при лечении веренафуспом альфа у 1 пациента.</p></sec><sec><title>Заключение</title><p>Заключение. Еженедельное внутривенное введение исследуемого препарата взрослым пациентам в дозе 3 мг/кг в течение 1 года обеспечило контроль уровня ГАГ в моче и стабилизацию и/или улучшение соматических симптомов по показателям спирометрии, эхокардиографии, 6МТ, диапазона движений в крупных суставах, размеров печени и селезенки, сравнимые с результатами эффективности лечения идурсульфазой у пациентов, ранее получавших ферментную заместительную терапию. Наблюдалась тенденция к снижению уровня ГС в спинномозговой жидкости, что может свидетельствовать о способности веренафуспа альфа проникать через ГЭБ и доставлять идурсульфазу в ткани мозга, препятствуя накоплению патологического субстрата в ЦНС для предупреждения нейродегенеративных изменений.</p></sec></abstract><trans-abstract xml:lang="en"><p>This article presents the interim results of the first stage (administration of the drug to patients aged ≥18 years with mucopolysaccharidosis type II) of a multicenter open multi-cohort phase II-III study (IDB-MPS-II-III), the aim of which was to assess the safety, pharmacokinetics (PK), pharmacodynamics (PD) and efficacy of veranafusp alfa in patients with MPS II.</p><sec><title>Material and methods</title><p>Material and methods. The interim analysis included data from 3 patients aged 18 years and older who had previously received idursulfase (2/3) and idursulfase beta (1/3). An individual dose increase (1–2–3 mg/kg) was performed after 2 weeks, followed by administration at a dose of 3 mg/kg for up to 52 weeks (a total of 52 weekly infusions). Standard PK parameters were evaluated. The PD criterion was the level of glycosaminoglycans (GAGs) in urine, blood and cerebrospinal fluid (CSF). Efficacy parameters included assessment of the dynamics of GAGs concentration in urine, blood and CSF, range of motion in joints, liver and spleen volume, change in the 6-minute walk test (6MWT, 6-minute test), left ventricular myocardial mass, forced vital capacity of the lungs (FVC). Safety parameters included assessment of the frequency of adverse events (AEs) and adverse reactions (ARs), including allergic and infusion reactions, as well as assessment of the frequency of formation of anti-drug antibodies (ADAs) and their neutralizing activity.</p></sec><sec><title>Results</title><p>Results. The studied drug demonstrated non-linear PK in the blood and a dose-dependent increase in concentration in the CSF. Patients showed a decrease or stability in the level of GAG in the urine, a decrease in the level of heparan sulfate (HS) in the CSF in 2 (66.6%) of 3 patients, as well as a decrease in the level of dermatan sulfate (DS) in the CSF in the range of 17.19–80.96%. There was an average decrease in liver volume by 42.500 ± 218.496 cm3, spleen volume by 24.350 ± 9.405 cm3 and left ventricular myocardial mass by 15.333 ± 43.016 g relative to the baseline level. The average increase in walking distance according to the results of the 6MWT, after 1 year of therapy, was 76.067 ± 83.561 m. The average values of FVC and FEV1 did not change statistically significantly. 9 AEs were registered in 3 patients (100.0%) of mild severity, mainly from the liver and biliary tract, and 3 ARs, which were infusion reactions and were registered mainly in the first 4 months of therapy. During the analyzed period, the frequency of formation of ADAs at screening was in 2 patients, and at week 52 — in 3 patients, which indicates the development of de novo ADAs during treatment with veranafusp alfa in 1 patient.</p></sec><sec><title>Conclusion</title><p>Conclusion. Weekly intravenous administration of the drug under study to adult patients at a dose of 3 mg/kg for 1 year provided control of the level of GAG in the urine and stabilization and/or improvement of somatic symptoms according to spirometry, echocardiography, 6MWT, range of motion in large joints, liver and spleen size, comparable to the results of the effectiveness of treatment with idursulfase in patients previously receiving enzyme replacement therapy. There was a tendency to decrease the level of HS in the cerebrospinal fluid, which may indicate the ability of veranafusp alfa to penetrate the BBB and deliver idursulfase to brain tissue, preventing the accumulation of pathological substrate in the CNS to prevent neurodegenerative changes.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>мукополисахаридоз II типа</kwd><kwd>синдром Хантера</kwd><kwd>гликозаминогликаны</kwd><kwd>веренафусп альфа</kwd><kwd>клотилия</kwd><kwd>HIR-Fab-IDS</kwd><kwd>эффективность</kwd><kwd>безопасность</kwd></kwd-group><kwd-group xml:lang="en"><kwd>mucopolysaccharidosis type II</kwd><kwd>Hunter syndrome</kwd><kwd>glycosaminoglycans</kwd><kwd>veranafusp alfa</kwd><kwd>Clotilia</kwd><kwd>HIR-Fab-IDS</kwd><kwd>efficacy</kwd><kwd>safety</kwd></kwd-group><funding-group xml:lang="ru"><funding-statement>Статья опубликована по результатам исследования, проводившегося при поддержке АО «ГЕНЕРИУМ».</funding-statement></funding-group><funding-group xml:lang="en"><funding-statement>The study was conducted with the support of JSC GENERIUM.</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">Zanetti A., Tomanin R. 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