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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">Pharmateca</journal-id><journal-title-group><journal-title xml:lang="en">Pharmateca</journal-title><trans-title-group xml:lang="ru"><trans-title>Фарматека</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2073-4034</issn><issn publication-format="electronic">2414-9128</issn><publisher><publisher-name xml:lang="en">Bionika Media</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">312872</article-id><article-id pub-id-type="doi">10.18565/pharmateca.2020.11.36-41</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Articles</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Статьи</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">Potentials for the use of aflibercept in the treatment of patients with metastatic colorectal cancer</article-title><trans-title-group xml:lang="ru"><trans-title>Возможности применения афлиберцепта при лечении больных метастатическим колоректальным раком</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Vladimirova</surname><given-names>L. Yu</given-names></name><name xml:lang="ru"><surname>Владимирова</surname><given-names>Л. Ю</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Abramova</surname><given-names>Nataliya A.</given-names></name><name xml:lang="ru"><surname>Абрамова</surname><given-names>Н. А</given-names></name></name-alternatives><bio xml:lang="en"><p>Cand. Sci. (Med.), Senior Researcher at the Department of Antitumor Drug Treatment</p></bio><bio xml:lang="ru"><p>к.м.н., старший науч. сотр. отдела лекарственного лечения опухолей</p></bio><email>pylulkin@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Popova</surname><given-names>I. L</given-names></name><name xml:lang="ru"><surname>Попова</surname><given-names>И. Л</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Storozhakova</surname><given-names>A. E</given-names></name><name xml:lang="ru"><surname>Сторожакова</surname><given-names>А. Э</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Novoselova</surname><given-names>K. A</given-names></name><name xml:lang="ru"><surname>Новоселова</surname><given-names>К. А</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Tikhanovskaya</surname><given-names>N. M</given-names></name><name xml:lang="ru"><surname>Тихановская</surname><given-names>Н. М</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Ryadinskaya</surname><given-names>L. A</given-names></name><name xml:lang="ru"><surname>Рядинская</surname><given-names>Л. А</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Lyanova</surname><given-names>A. A</given-names></name><name xml:lang="ru"><surname>Льянова</surname><given-names>А. А</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Myagkova</surname><given-names>V. S</given-names></name><name xml:lang="ru"><surname>Мягкова</surname><given-names>В. С</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Teplyakova</surname><given-names>M. A</given-names></name><name xml:lang="ru"><surname>Теплякова</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>Kabanov</surname><given-names>S. N</given-names></name><name xml:lang="ru"><surname>Кабанов</surname><given-names>С. Н</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kalabanova</surname><given-names>E. A</given-names></name><name xml:lang="ru"><surname>Калабанова</surname><given-names>Е. А</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Samaneva</surname><given-names>N. Yu</given-names></name><name xml:lang="ru"><surname>Саманева</surname><given-names>Н. Ю</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Tishina</surname><given-names>A. V</given-names></name><name xml:lang="ru"><surname>Тишина</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>Strakhova</surname><given-names>L. K</given-names></name><name xml:lang="ru"><surname>Страхова</surname><given-names>Л. К</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Yezhova</surname><given-names>M. O</given-names></name><name xml:lang="ru"><surname>Ежова</surname><given-names>М. О</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">National Medical Research Centre for Oncology</institution></aff><aff><institution xml:lang="ru">Национальный медицинский исследовательский центр онкологии</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2020-10-20" publication-format="electronic"><day>20</day><month>10</month><year>2020</year></pub-date><volume>27</volume><issue>11</issue><issue-title xml:lang="en">VOL 27, NO11 (2020)</issue-title><issue-title xml:lang="ru">ТОМ 27, №11 (2020)</issue-title><fpage>36</fpage><lpage>41</lpage><history><date date-type="received" iso-8601-date="2023-03-03"><day>03</day><month>03</month><year>2023</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2020, Bionika Media</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2020, ООО «Бионика Медиа»</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="en">Bionika Media</copyright-holder><copyright-holder xml:lang="ru">ООО «Бионика Медиа»</copyright-holder></permissions><self-uri xlink:href="https://journals.eco-vector.com/2073-4034/article/view/312872">https://journals.eco-vector.com/2073-4034/article/view/312872</self-uri><abstract xml:lang="en"><p>Background. Aflibercept is a recombinant protein for several growth factors that binds VEGFA and B, as well as PlGF, determining its antiangiogenic effect. Objective. Clinical evaluation of the efficacy and safety of aflibercept in patients with metastatic colorectal cancer (mCRC). Methods. The data on the treatment of 50 patients with initially metastatic and generalized CRC were analyzed. The study included patients in satisfactory general condition (ECOG &lt;2), after progression on oxaliplatin-containing chemotherapy; in the case of generalization of the process, the time to progression was at least 6 months after completion of the adjuvant treatment. The drug was administered intravenously at a dose of 4 mg/kg once every 14 days in combination with the FOLFIRI regimen. The direct clinical effect, overall and progression-free survival, and adverse events associated with antitumor therapy were evaluated. Results. The objective effect on the background of the therapy was 16.7%, tumor control was achieved in 70.9% of cases. When aflibercept was prescribed as the 2nd-line therapy, a more frequent registration of the objective effect was noted than with its use as the 3rd and subsequent lines. The median time to disease progression was 6.3 (2-18) months, and the median overall survival - 17.1 months (2-48) months. Arterial hypertension was the most common adverse event, which caused the cancellation of aflibercept in 14% of cases. Conclusion. The obtained objective effect and relapse-free survival with the use of aflibercept in patients with CRC were comparable with the data of previous studies, while the earlier drug prescribing, the higher the percentage of objective responses to treatment. Data on overall survival exceeded the results of a registration study for the general patient population. This is probably due to the fact that the study group did not include patients with adverse prognostic factors such as low functional status and progression after adjuvant treatment for 6 months. Of the clinically significant manifestations of toxicity, arterial hypertension should be noted. A personalized approach to the selection of patients for therapy with aflibercept, taking into account risk factors for the development of 3-4 degree non-hematological adverse events, is likely to reduce the number of complications without loss of effectiveness.</p></abstract><trans-abstract xml:lang="ru"><p>Обоснование. Афлиберцепт является рекомбинантным белком для нескольких ростовых факторов, связывающим VEGFA и В, а также PlGF, чем и обусловлен его антиангиогенный эффект. Цель исследования: клиническая оценка эффективности и безопасности применения афлиберцепта пациентам с метастатическим колоректальным раком (КРР). Методы. Проанализированы данные о лечении 50 пациентов с исходно метастатическим и генерализованным КРР. В исследование были включены больные в удовлетворительном общем состоянии (ECOG &lt;2), после прогрессирования - на окса-липлатин-содержащей химиотерапии в случае генерализации процесса; время до прогрессирования составило не менее 6 месяцев после завершения адъювантного лечения. Препарат вводился внутривенно в дозе 4 мг/кг 1 раз в 14 дней в сочетании с режимом FOLFIRI. Оценивали непосредственный клинический эффект, общую и безрецидивную выживаемость, нежелательные явления на фоне противоопухолевой терапии. Результаты. Объективный эффект на фоне проводимой терапии составил 16,7%, контроль над опухолью был достигнут в 70,9% случаев. В тех случаях, когда афлиберцепт назначался во 2-й линии терапии, отмечена более частая регистрация объективного эффекта, чем при его применении в 3-й и последующих линиях. Медиана времени до прогрессирования заболевания составила 6,3 (2-18) месяца, медиана общей выживаемости - 17,1 (2-48). Наиболее частым нежелательным явлением, в 14% случаев послужившим причиной отмены афлиберцепта, стала артериальная гипертензия. Заключение. Полученные объективный эффект и безрецидивная выживаемость при применении афлиберцепта больными КРР были сопоставимыми с данными предыдущих исследований, при этом, чем раньше назначался препарат, тем выше был процент объективных ответов не лечение. Данные по общей выживаемости превосходили результаты регистрационного исследования для общей популяции больных. Вероятно, это связано с тем, что в группу исследования не входили пациенты с такими неблагоприятными прогностическими факторами, как низкий функциональный статус и прогрессирование после адъювантного лечения в течение 6 месяцев. Из клинически значимых проявлений токсичности следует выделить артериальную гипертензию. Персонифицированный подход к отбору пациентов для терапии афлиберцептом с учетом факторов риска развития нежелательных негематологических явлений 3-4-й степеней, вероятно, позволит снизить число осложнений без потери эффективности.</p></trans-abstract><kwd-group xml:lang="en"><kwd>metastatic colorectal cancer</kwd><kwd>antitumor therapy</kwd><kwd>antiangiogenic drugs</kwd><kwd>aflibercept</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>метастатический колоректальный рак</kwd><kwd>противоопухолевая терапия</kwd><kwd>антиангиогенные препараты</kwd><kwd>афлиберцепт</kwd></kwd-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Chiron M., Bagley R.G., Pollard J, et al. Differential antitumor activity of aflibercept and bevacizumab in patient-derived xenograft models of colorectal cancer. Mol Cancer Ther. 2014;13(6):1636-44. 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