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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">tumors</journal-id><journal-title-group><journal-title xml:lang="ru">Malignant tumours</journal-title><trans-title-group xml:lang="en"><trans-title>Malignant tumours</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2224-5057</issn><issn pub-type="epub">2587-6813</issn><publisher><publisher-name>Rosoncoweb</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.18027/2224-5057-2025-044</article-id><article-id custom-type="elpub" pub-id-type="custom">tumors-1472</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>СОБСТВЕННЫЕ ИССЛЕДОВАНИЯ. ВОПРОСЫ ОНКОХИРУРГИИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>OWN RESEARCH. ONCOSURGERY ISSUES</subject></subj-group></article-categories><title-group><article-title>Малоинвазивное хирургическое лечение глиобластом методом интерстициальной фотодинамической терапии</article-title><trans-title-group xml:lang="en"><trans-title>Minimally invasive surgical treatment of glioblastomas using interstitial photodynamic therapy</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-3331-4175</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Рында</surname><given-names>А. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Rynda</surname><given-names>A. Y.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Артемий Юрьевич Рында</p><p>191014; ул. Маяковская, 12; Санкт-Петербург</p></bio><bio xml:lang="en"><p>Artemii Yuryevich Rynda</p><p>191014; 12 Mayakovskaya St.; Saint Petersburg</p></bio><email xlink:type="simple">artemii.rynda@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9960-081X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Олюшин</surname><given-names>В. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Olyushin</surname><given-names>V. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Виктор Емельянович Олюшин</p><p>191014; ул. Маяковская, 12; Санкт-Петербург</p></bio><bio xml:lang="en"><p>Victor Emelyanovich Olyushin</p><p>191014; 12 Mayakovskaya St.; Saint Petersburg</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/0000-0002-8956-7921</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ростовцев</surname><given-names>Д. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Rostovtsev</surname><given-names>D. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Дмитрий Михайлович Ростовцев</p><p>191014; ул. Маяковская, 12; Санкт-Петербург</p></bio><bio xml:lang="en"><p>Dmitrii Mikhailovich Rostovtsev</p><p>191014; 12 Mayakovskaya St.; Saint Petersburg</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/0000-0001-6206-2133</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Забродская</surname><given-names>Ю. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Zabrodskaya</surname><given-names>Y. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Юлия Михайловна Забродская</p><p>191014; ул. Маяковская, 12; Санкт-Петербург</p></bio><bio xml:lang="en"><p>Yulia Mikhailovna Zabrodskaya</p><p>191014; 12 Mayakovskaya St.; Saint Petersburg</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/0000-0002-6462-9022</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Папаян</surname><given-names>Г. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Papayan</surname><given-names>G. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Гарри Вазгенович Папаян</p><p>191014; ул. Маяковская, 12; 197022; ул. Льва Толстого, 6–8; Санкт-Петербург</p></bio><bio xml:lang="en"><p>Garry Vazgenovich Papayan</p><p>191014; 12 Mayakovskaya St.; 197022; 6–8 L’va Tolstogo St.; Saint Petersburg</p></bio><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Российский нейрохирургический институт имени проф. А. Л. Поленова — филиал ФГБУ «Национальный медицинский&#13;
исследовательский центр имени В. А. Алмазова» Минздрава России</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Russian Neurosurgical Institute named after prof. A. L. Polenov — a branch of the National Medical Research Center named after V. A. Almazov Ministry of Health of Russia</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Российский нейрохирургический институт имени проф. А. Л. Поленова — филиал ФГБУ «Национальный медицинский&#13;
исследовательский центр имени В. А. Алмазова» Минздрава России; ФГБОУ ВО «Первый Санкт-Петербургский государственный медицинский университет им. академика И. П. Павлова»&#13;
Минздрава Росии</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Russian Neurosurgical Institute named after prof. A. L. Polenov — a branch of the National Medical Research Center named after V. A. Almazov Ministry of Health of Russia; Academician I. P. Pavlov First St. Petersburg State Medical University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>24</day><month>08</month><year>2025</year></pub-date><volume>15</volume><issue>2</issue><fpage>25</fpage><lpage>39</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Рында А.Ю., Олюшин В.Е., Ростовцев Д.М., Забродская Ю.М., Папаян Г.В., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Рында А.Ю., Олюшин В.Е., Ростовцев Д.М., Забродская Ю.М., Папаян Г.В.</copyright-holder><copyright-holder xml:lang="en">Rynda A.Y., Olyushin V.E., Rostovtsev D.M., Zabrodskaya Y.M., Papayan G.V.</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://www.malignanttumors.org/jour/article/view/1472">https://www.malignanttumors.org/jour/article/view/1472</self-uri><abstract><sec><title>   Цель исследования</title><p>   Цель исследования: Изучить возможности использования метода интерстициальной фотодинамической терапии в составе комплексной терапии как малоинвазивного метода лечения у пациентов с глиобластомой.</p></sec><sec><title>   Материал и методы</title><p>   Материал и методы: В исследование были включены 9 пациентов глиобластомой, имеющих один опухолевый очаг, с максимальным размером до 3,5 см и статусом по шкале Карновского не менее 70 баллов. В исследуемой группе было 6 (66,7 %) мужчин и 3 (33,3 %) женщины. Средний возраст пациентов составил 55,3 ± 9,8 года; 7 (77,8 %) пациентов имели первый рецидив опухоли глиобластомы, в 2 (22,2 %) случаях глиобластома была диагностирована впервые. В качестве ФС использовали препарат фотодитазин, вводимый внутривенно в дозе 1 мг / кг. Внутритканевое облучение выполняли с использованием лазера (Латус 2,5 (Аткус, Россия)) с длиной волны 662 нм и максимальной мощностью 2,5 Вт цилиндрических рассеивающих волокон. Пространственное точное внутритканевое облучение объема опухоли планировалось с использованием специального программного обеспечения. Длительность облучения не превышала 15 мин. Световая доза составила в среднем 180 Дж / см2.</p></sec><sec><title>   Результаты</title><p>   Результаты: Осложнений или побочных эффектов, связанных с введением ФС, у пациентов в раннем послеоперационном периоде не отмечено. Транзиторное нарастание неврологического дефицита после иФДТ в раннем послеоперационном периоде было отмечено у 2 (22,2 %). У 1 пациента отмечено нарастание гемипареза, у другого пациента — появление дизартрии и дисфазии. При этом у одного пациента с гемипарезом неврологический дефицит после операции сохранялся более пяти недель после иФДТ, но отмечался значительный регресс симптоматики в последующие пять недель. Катамнез прослежен у всех 9 пациентов. Продолжительность наблюдения после иФДТ достигла 61 месяца. Основной причиной смерти у всех 9 пациентов было прогрессирование опухоли. Медиана общей выживаемости составила 29,1 месяца. Медиана безрецидивной выживаемости составила 13,3 месяца.</p></sec><sec><title>   Заключение</title><p>   Заключение: иФДТ — селективная, минимально инвазивная методика с многообещающими результатами и минимальными побочными эффектами при лечении пациентов с глиобластомами. Методика является потенциальным вариантом лечения для небольших по размеру и глубоко расположенных опухолей у пациентов с высоким хирургическим риском и для пациентов с рецидивом опухоли.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>   Aim</title><p>   Aim: to study the possibilities of using interstitial photodynamic therapy as a part of complex therapy, a minimally invasive method of glioblastoma patients’ treatment.</p></sec><sec><title>   Material and methods</title><p>   Material and methods: The study included 9 patients with glioblastoma who had one tumor focus with a maximum size of up to 3.5 cm and a Karnofsky score of at least 70 points. The study group included 6 (66.7 %) men and 3 (33.3 %) women. The average age of patients was 55.3 ± 9.8 years; 7 (77.8 %) patients had the first relapse of glioblastoma tumor, in 2 cases (22.2 %) glioblastoma was diagnosed for the first time. Photoditazine was used as a photosensitizer (PS), administered intravenously at a dose of 1 mg / kg. Interstitial irradiation was performed using a laser (Latus 2.5 (Atkus, Russia)) with a wavelength of 662 nm and a maximum power of 2.5 W and cylindrical scattering fibers. Spatial precise interstitial irradiation of the tumor volume was planned using special software. The duration of irradiation did not exceed 15 min. The light dose averaged 180 J / cm2.</p></sec><sec><title>   Results</title><p>   Results: No complications or side effects associated with the introduction of PS were noted in patients in the early postoperative period. Transient increase in neurological deficit after iPDT in the early postoperative period was noted in 2 (22.2 %). In 1 patient an increase in hemiparesis was noted, in another patient dysarthria and dysphasia appeared. At the same time, in one patient with hemiparesis, neurological deficit after surgery persisted for more than five weeks after iPDT, but significant regression of symptoms was noted in the following five weeks. Catamnesis was monitored in all 9 patients. The duration of observation after iPDT was up to 61 months. The main cause of death in all 9 patients was tumor progression. The median overall survival was 29.1 months. The median relapse-free survival was 13.3 months.</p></sec><sec><title>   Conclusion</title><p>   Conclusion: iPDT is a selective minimally invasive technique with promising results and minimal side effects in the treatment of patients with glioblastomas. The technique is a potential treatment option for small and deep tumors in patients with high surgical risk and for patients with tumor recurrence.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>интерстициальная фотодинамическая терапия (иФДТ)</kwd><kwd>глиобластома</kwd><kwd>минимально инвазивная хирургия</kwd><kwd>результаты</kwd><kwd>хлорин е6</kwd><kwd>фотодитазин</kwd></kwd-group><kwd-group xml:lang="en"><kwd>interstitial photodynamic therapy (iPDT)</kwd><kwd>glioblastoma</kwd><kwd>minimally invasive surgery</kwd><kwd>results</kwd><kwd>chlorin e6</kwd><kwd>photoditazine</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Статья подготовлена без спонсорской поддержки</funding-statement><funding-statement xml:lang="en">The article was prepared without sponsorship</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">Louis D.N., Perry A., Wesseling P. 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