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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">oncotomsk</journal-id><journal-title-group><journal-title xml:lang="ru">Сибирский онкологический журнал</journal-title><trans-title-group xml:lang="en"><trans-title>Siberian journal of oncology</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1814-4861</issn><issn pub-type="epub">2312-3168</issn><publisher><publisher-name>Tomsk National Research Medical Сепtеr of the Russian Academy of Sciences</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21294/1814-4861-2026-25-4-34-43</article-id><article-id custom-type="elpub" pub-id-type="custom">oncotomsk-4420</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>КЛИНИЧЕСКИЕ ИССЛЕДОВАНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>CLINICAL STUDIES</subject></subj-group></article-categories><title-group><article-title>Профилактическая аэрозольная внутрибрюшинная химиотерапия под давлением (PIPAC) в лечении местнораспространенного рака желудка: онкологические результаты рандомизированного исследования GASPACCO (NCT04595929)</article-title><trans-title-group xml:lang="en"><trans-title>Prophylactic pressurized intraperitoneal aerosol chemotherapy (PIPAC) in the treatment of locally advanced gastric cancer: oncological outcomes of the randomized GASPACCO trial (NCT04595929)</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0830-3797</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Беляев</surname><given-names>М. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Belyaev</surname><given-names>M. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Беляев Михаил Алексеевич - заместитель главного врача клиник по онкологии, руководитель отделения абдоминальной онкологии, доцент кафедры онкологии.</p><p>197022, Санкт-Петербург, ул. Льва Толстого, 6–8</p></bio><bio xml:lang="en"><p>Mikhail A. Belyaev - MD, Deputy Chief Physician of the Oncology Clinics, Head of the Abdominal Oncology Department, Associate Professor of the Oncology Department, Pavlov First Saint Petersburg State Medical University.</p><p>6–8, Lva Tolstogo St., Saint Petersburg, 197022</p></bio><email xlink:type="simple">8628926@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/0000-0002-8514-5377</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Захаренко</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Zakharenko</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Захаренко Александр Анатольевич - доктор медицинских наук, профессор, заведующий кафедрой онкологии ФПО, руководитель отдела онкохирургии.</p><p>197022, Санкт-Петербург, ул. Льва Толстого, 6–8</p></bio><bio xml:lang="en"><p>Aleksandr A. Zakharenko - MD, DSc, Professor, Head of the Oncology Department, Faculty of Postgraduate Education, Head of the Oncosurgical Department, Pavlov First Saint Petersburg State Medical University.</p><p>6–8, Lva Tolstogo St., Saint Petersburg, 197022</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/0000-0002-4131-6293</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Багненко</surname><given-names>С. Ф.</given-names></name><name name-style="western" xml:lang="en"><surname>Bagnenko</surname><given-names>S. F.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Багненко Сергей Федорович - доктор медицинских наук, профессор, академик РАН, ректор.</p><p>197022, Санкт-Петербург, ул. Льва Толстого, 6–8</p></bio><bio xml:lang="en"><p>Sergey F. Bagnenko - MD, DSc, Professor, Academician of the Russian Academy of Sciences, Rector, Pavlov First Saint Petersburg State Medical University.</p><p>6–8, Lva Tolstogo St., Saint Petersburg, 197022</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБОУ ВО «Первый Санкт-Петербургский государственный медицинский университет им. акад. И.П. Павлова»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Pavlov First Saint Petersburg State Medical University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>21</day><month>09</month><year>2026</year></pub-date><volume>25</volume><issue>4</issue><fpage>34</fpage><lpage>43</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Беляев М.А., Захаренко А.А., Багненко С.Ф., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Беляев М.А., Захаренко А.А., Багненко С.Ф.</copyright-holder><copyright-holder xml:lang="en">Belyaev M.A., Zakharenko A.A., Bagnenko S.F.</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.siboncoj.ru/jour/article/view/4420">https://www.siboncoj.ru/jour/article/view/4420</self-uri><abstract><p>Цель исследования – оценить влияние профилактической интраоперационной аэрозольной внутрибрюшинной химиотерапии под давлением (PIPAC) на общую выживаемость, безрецидивную выживаемость и частоту развития перитонеального канцероматоза у пациентов с местнораспространенным раком желудка в рамках проспективного рандомизированного исследования. Материал и методы. В проспективное рандомизированное исследование GASPACCO (NCT04595929) включено 182 пациента с морфологически верифицированной аденокарциномой желудка стадии (c)T3a–4bN0–3M0 (CY0), прошедших 4 цикла неоадъювантной химиотерапии FLOT. Группа PIPAC (n=85) – гастрэктомия D2 с интраоперационным введением цисплатина 7,5 мг/м2 и доксорубицина 1,5 мг/м2 методом внутрибрюшинной аэрозольной химиотерапии под давлением (PIPAC); контрольная группа (n=97) – гастрэктомия D2 без дополнительного интраперитонеального воздействия. Обе группы получали адъювантную химиотерапию FLOT. Период наблюдения – 36 мес. Выживаемость анализировалась методом Каплана–Мейера с применением лог-рангового критерия; частота перитонеального канцероматоза – с использванием критерия χ2 Пирсона. Результаты. Применение PIPAC значимо улучшило общую выживаемость на всех временных точках наблюдения: 1-летняя выживаемость составила 94,12 vs 76,29 % (p=0,0009), 2-летняя – 78,12 vs 61,33 % (p=0,0328), 3-летняя – 78,79 vs 51,11 % (p=0,0125). Медиана общей выживаемости в обеих группах не достигнута. Абсолютный прирост выживаемости нарастал с течением времени: 17,8 % – к первому году, 27,7 % – к третьему году наблюдения. Частота перитонеального канцероматоза в группе PIPAC составила 11,76 vs 34,02 % в контрольной группе (абсолютная разница – 22,26 %, p=0,0004). Среднее время до прогрессирования в группе PIPAC было значимо больше: 26,64 ± 12,95 vs 21,95 ± 14,46 мес (разница – 4,69 мес, p=0,0175). Заключение. Профилактическая интраоперационная PIPAC в дополнение к стандартному комбинированному лечению (FLOT + гастрэктомия D2 + FLOT) значимо улучшает общую и безрецидивную выживаемость и снижает частоту перитонеального канцероматоза у пациентов с местнораспространенным раком желудка. Полученные данные обосновывают целесообразность включения метода в стандарт лечения местнораспространенного рака желудка с высоким риском имплантационного метастазирования.</p></abstract><trans-abstract xml:lang="en"><p>Background. Prevention of peritoneal metastasis remains one of the most critical unresolved challenges in the treatment of locally advanced gastric cancer. The role of prophylactic intraoperative pressurized intraperitoneal aerosol chemotherapy (PIPAC) has not previously been evaluated in a randomized trial. Material and Methods. The prospective randomized GASPACCO trial (NCT04595929) enrolled 182 patients with histologically confirmed gastric adenocarcinoma (cT3a–4bN0–3M0, peritoneal cytology-negative), who completed four cycles of neoadjuvant FLOT chemotherapy. Patients were randomized to receive either radical D2 gastrectomy with a simultaneous intraoperative PIPAC session (cisplatin 7.5 mg/m2, doxorubicin 1.5 mg/m2; n=85) or D2 gastrectomy alone (n=97). All patients received adjuvant FLOT chemotherapy. Follow-up was up to 3 years. overall survival (OS) and recurrence-free survival (RFS) were compared using the log-rank test; rates of peritoneal carcinomatosis were compared using the Pearson chi-square test. Results. PIPAC significantly improved OS at all time points: 1-year OS 94.12 % vs 76.29 % (p=0.0009), 2-year OS 78.12 % vs 61.33 % (p=0.0328), and 3-year OS 78.79 % vs 51.11 % (p=0.0125). Median OS was not reached in either group at the time of analysis. The absolute improvement in OS increased over time: 17.8 % at one year and 27.7 % at three years. the rate of peritoneal carcinomatosis was significantly lower in the PIPAC group: 11.76 % vs 34.02 % (absolute difference 22.26 %, p=0.0004). Mean time to disease progression was significantly longer in the PIPAC group: 26.64 ± 12.95 months vs 21.95 ± 14.46 months (difference 4.69 months, p=0.0175). Conclusion. Prophylactic intraoperative PIPAC added to standard multimodal treatment (neoadjuvant FLOT, radical D2 gastrectomy, adjuvant FLOT) significantly improves overall and recurrence-free survival and reduces the incidence of peritoneal carcinomatosis in patients with locally advanced gastric cancer. These findings support the inclusion of prophylactic PIPAC in clinical treatment protocols for patients at high risk of peritoneal dissemination.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>рак желудка</kwd><kwd>профилактика перитонеального канцероматоза</kwd><kwd>аэрозольная внутрибрюшинная химиотерапия под давлением (PIPAC)</kwd><kwd>комбинированное лечение</kwd><kwd>выживаемость</kwd></kwd-group><kwd-group xml:lang="en"><kwd>gastric cancer</kwd><kwd>prevention of peritoneal carcinomatosis</kwd><kwd>pressurized intraperitoneal aerosol chemotherapy (PIPAC)</kwd><kwd>multimodal treatment</kwd><kwd>survival</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Bray F., Laversanne M., Sung H., Ferlay J., Siegel R.L., Soerjomataram I., Jemal A. Global cancer statistics 2022: GLOBOCAN estimates of incidence and mortality worldwide for 36 cancers in 185 countries. 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