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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">Head and Neck Tumors</journal-id><journal-title-group><journal-title xml:lang="en">Head and Neck Tumors</journal-title><trans-title-group xml:lang="ru"><trans-title>Опухоли головы и шеи</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2222-1468</issn><issn publication-format="electronic">2411-4634</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">1159</article-id><article-id pub-id-type="doi">10.17650/2222-1468-2026-16-1-84-88</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>CLINICAL CASE</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>КЛИНИЧЕСКИЙ СЛУЧАЙ</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">Efficacy of camrelizumab in combination with capecitabine and stereotactic radiation therapy in oligoprogressing squamous cell carcinomas</article-title><trans-title-group xml:lang="ru"><trans-title>Эффективность камрелизумаба в сочетании с капецитабином и стереотаксической лучевой терапией при олигопрогрессирующих плоскоклеточных опухолях</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2209-4410</contrib-id><name-alternatives><name xml:lang="en"><surname>Vakhabova</surname><given-names>Y. V.</given-names></name><name xml:lang="ru"><surname>Вахабова</surname><given-names>Ю. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>yuvahabova@emcmos.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-2630-4961</contrib-id><name-alternatives><name xml:lang="en"><surname>Nidal</surname><given-names>S.</given-names></name><name xml:lang="ru"><surname>Нидаль</surname><given-names>C.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>yuvahabova@emcmos.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8789-9271</contrib-id><name-alternatives><name xml:lang="en"><surname>Koposov</surname><given-names>P. V.</given-names></name><name xml:lang="ru"><surname>Копосов</surname><given-names>П. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>yuvahabova@emcmos.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0164-2422</contrib-id><name-alternatives><name xml:lang="en"><surname>Moskalets</surname><given-names>E. R.</given-names></name><name xml:lang="ru"><surname>Москалец</surname><given-names>Э. Р.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>yuvahabova@emcmos.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6909-8558</contrib-id><name-alternatives><name xml:lang="en"><surname>Loiko</surname><given-names>I. E.</given-names></name><name xml:lang="ru"><surname>Лойко</surname><given-names>И. Е.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>yuvahabova@emcmos.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">European Medical Center</institution></aff><aff><institution xml:lang="ru">АO «Европейский медицинский центр»</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2026-06-09" publication-format="electronic"><day>09</day><month>06</month><year>2026</year></pub-date><volume>16</volume><issue>1</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>84</fpage><lpage>88</lpage><history><date date-type="received" iso-8601-date="2026-06-08"><day>08</day><month>06</month><year>2026</year></date><date date-type="accepted" iso-8601-date="2026-06-08"><day>08</day><month>06</month><year>2026</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2026, ABV-Press</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2026, АБВ-пресс</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="en">ABV-Press</copyright-holder><copyright-holder xml:lang="ru">АБВ-пресс</copyright-holder><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://creativecommons.org/licenses/by/4.0/</ali:license_ref></license></permissions><self-uri xlink:href="https://ogsh.abvpress.ru/jour/article/view/1159">https://ogsh.abvpress.ru/jour/article/view/1159</self-uri><abstract xml:lang="en"><p>Camrelizumab is a monoclonal antibody against programmed cell death protein 1 (PD-1) which demonstrated clinical efficacy in esophageal squamous cell carcinoma including in combination with 1st line chemotherapy cases of advanced disease. The article describes a clinical case of administration of camrelizumab + capecitabin in combination with local ablative intervention in the form of stereotactic radiation therapy for treatment of oligoprogressing esophageal squamous cell carcinoma. This observation shows clinical advisability of continuing immunomodulating therapy in cases of limited tumor progression with simultaneous local control of the lesions with the highest biological activity.</p></abstract><trans-abstract xml:lang="ru"><p>Камрелизумаб представляет собой моноклональное антитело к рецептору программируемой клеточной гибели 1 (PD-1), продемонстрировавшее клиническую эффективность при плоскоклеточном раке пищевода, в том числе в комбинации с химиотерапией 1-й линии при распространенном заболевании. В статье описан клинический случай применения схемы камрелизумаб + капецитабин в сочетании с локальным аблативным воздействием в формате стереотаксической лучевой терапии при олигопрогрессирующем течении плоскоклеточного рака пищевода. Данное наблюдение иллюстрирует клиническую целесообразность продолжения иммуномодулирующей терапии при ограниченной опухолевой прогрессии с одновременным применением локального контроля над очагами, имеющими наибольшую биологическую активность.</p></trans-abstract><kwd-group xml:lang="en"><kwd>camrelizumab</kwd><kwd>capecitabine</kwd><kwd>stereotactic radiation therapy</kwd><kwd>oligoprogression</kwd><kwd>esophageal squamous cell carcinoma</kwd><kwd>immunotherapy</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>камрелизумаб</kwd><kwd>капецитабин</kwd><kwd>стереотаксическая лучевая терапия</kwd><kwd>олигопрогрессирование</kwd><kwd>плоскоклеточный рак пищевода</kwd><kwd>иммунотерапия</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Luo H., Lu J., Bai Y. et al. 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