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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="other" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Cancer Urology</journal-id><journal-title-group><journal-title xml:lang="en">Cancer Urology</journal-title><trans-title-group xml:lang="ru"><trans-title>Онкоурология</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1726-9776</issn><issn publication-format="electronic">1996-1812</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">1762</article-id><article-id pub-id-type="doi">10.17650/1726-9776-2024-20-2-74-86</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>DIAGNOSIS AND TREATMENT OF URINARY SYSTEM TUMORS. PROSTATE CANCER</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>ДИАГНОСТИКА И ЛЕЧЕНИЕ ОПУХОЛЕЙ МОЧЕПОЛОВОЙ СИСТЕМЫ. Рак предстательной железы</subject></subj-group><subj-group subj-group-type="article-type"><subject></subject></subj-group></article-categories><title-group><article-title xml:lang="en">Quantitative single-photon emission computed tomography/computed tomography in assessing the effectiveness of radium-223 dichloride therapy</article-title><trans-title-group xml:lang="ru"><trans-title>Количественная однофотонная эмиссионная компьютерная томография, совмещенная с компьютерной томографией, в оценке эффективности терапии дихлоридом радия-223</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7954-2560</contrib-id><name-alternatives><name xml:lang="en"><surname>Nikolaeva</surname><given-names>E. A.</given-names></name><name xml:lang="ru"><surname>Николаева</surname><given-names>Е. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p><bold>Ekaterina Andreevna Nikolaeva </bold></p><p><italic>24 Kashirskoe Shosse, Moscow 115522</italic></p></bio><bio xml:lang="ru"><p><bold>Екатерина Андреевна Николаева </bold></p><p><italic>115522 Москва, Каширское шоссе, 24</italic></p></bio><email>nikoka1901@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8476-7879</contrib-id><name-alternatives><name xml:lang="en"><surname>Krylov</surname><given-names>A. S.</given-names></name><name xml:lang="ru"><surname>Крылов</surname><given-names>А. С.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p><italic>24 Kashirskoe Shosse, Moscow 115522</italic></p></bio><bio xml:lang="ru"><p><italic>115522 Москва, Каширское шоссе, 24</italic></p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9571-801X</contrib-id><name-alternatives><name xml:lang="en"><surname>Ryzhkov</surname><given-names>A. D.</given-names></name><name xml:lang="ru"><surname>Рыжков</surname><given-names>А. Д.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p><italic>24 Kashirskoe Shosse, Moscow 115522; </italic><italic>Build. 1, 2/1 Barrikadnaya St., Moscow 125993</italic></p><p> </p></bio><bio xml:lang="ru"><p><italic>115522 Москва, Каширское шоссе, 24; 125993 Москва, ул. Баррикадная, 2/1, стр. 1</italic></p></bio><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4122-9285</contrib-id><name-alternatives><name xml:lang="en"><surname>Geliashvili</surname><given-names>T. M.</given-names></name><name xml:lang="ru"><surname>Гелиашвили</surname><given-names>Т. М.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p><italic>24 Kashirskoe Shosse, Moscow 115522</italic></p></bio><bio xml:lang="ru"><p><italic>115522 Москва, Каширское шоссе, 24</italic></p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1308-7646</contrib-id><name-alternatives><name xml:lang="en"><surname>Pavlova</surname><given-names>A. V.</given-names></name><name xml:lang="ru"><surname>Павлова</surname><given-names>А. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p><italic>24 Kashirskoe Shosse, Moscow 115522</italic></p></bio><bio xml:lang="ru"><p><italic>115522 Москва, Каширское шоссе, 24</italic></p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7127-7945</contrib-id><name-alternatives><name xml:lang="en"><surname>Goryainova</surname><given-names>A. Yu.</given-names></name><name xml:lang="ru"><surname>Горяинова</surname><given-names>А. Ю.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p><italic>146 Dimitrova St., Krasnodar 350040</italic>; <italic>4 Mitrofana Sedina St., Krasnodar 350063</italic></p><p> </p></bio><bio xml:lang="ru"><p><italic>350040 Краснодар, ул. Димитрова, 146; 350063 Краснодар, ул. Митрофана Седина, 4</italic></p></bio><xref ref-type="aff" rid="aff3"/><xref ref-type="aff" rid="aff4"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8084-8770</contrib-id><name-alternatives><name xml:lang="en"><surname>Murashko</surname><given-names>R. A.</given-names></name><name xml:lang="ru"><surname>Мурашко</surname><given-names>Р. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p><italic>146 Dimitrova St., Krasnodar 350040</italic>; <italic>4 Mitrofana Sedina St., Krasnodar 350063</italic></p></bio><bio xml:lang="ru"><p><italic>350040 Краснодар, ул. Димитрова, 146; 350063 Краснодар, ул. Митрофана Седина, 4</italic></p></bio><xref ref-type="aff" rid="aff3"/><xref ref-type="aff" rid="aff4"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">N.N. Blokhin National Medical Research Center of Oncology, Ministry of Health of Russia</institution></aff><aff><institution xml:lang="ru">ФГБУ «Национальный медицинский исследовательский центр онкологии им. Н.Н. Блохина» Минздрава России</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Russian Medical Academy of Continuing Professional Education, Ministry of Health of Russia</institution></aff><aff><institution xml:lang="ru">ФГБОУ ДПО «Российская медицинская академия непрерывного профессионального образования» Минздрава России</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">Clinical Oncological Dispensary No. 1, Ministry of Health of Krasnodar region</institution></aff><aff><institution xml:lang="ru">ГБУЗ «Клинический онкологический диспансер № 1» Минздрава Краснодарского края</institution></aff></aff-alternatives><aff-alternatives id="aff4"><aff><institution xml:lang="en">Kuban State Medical University, Ministry of Health of Russia</institution></aff><aff><institution xml:lang="ru">ФГБОУ ВО «Кубанский государственный медицинский университет» Минздрава России</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2024-08-19" publication-format="electronic"><day>19</day><month>08</month><year>2024</year></pub-date><volume>20</volume><issue>2</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>74</fpage><lpage>86</lpage><history><date date-type="received" iso-8601-date="2023-12-29"><day>29</day><month>12</month><year>2023</year></date><date date-type="accepted" iso-8601-date="2024-06-09"><day>09</day><month>06</month><year>2024</year></date></history><permissions><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/></permissions><self-uri xlink:href="https://oncourology.abvpress.ru/oncur/article/view/1762">https://oncourology.abvpress.ru/oncur/article/view/1762</self-uri><abstract xml:lang="en"><p><bold>Background. </bold>Systemic radionuclide therapy (RNT) with radium-223 was approved for treatment of bone metastases in patients with metastatic castration-resistant prostate cancer (mCRPC) based on the results of the phase III ALSYMPCA trial. Radium-223 increases overall survival and improves quality of life of the patients. At the moment, there is no unified algorithm for assessing the effectiveness of radium-223 dichloride therapy using modern diagnostic methods, one of which is quantitative single-photon emission computed tomography/computed tomography (SPECT/CT).</p><p><bold>Aim. </bold>To determine the capabilities of quantitative SPECT/CT in assessing the effectiveness of radium-223 dichloride therapy in patients with bone metastases of CRPC.</p><p><bold>Materials and methods. </bold>The study included 30 patients who received a full course (6 injections) of RNT with radium-223, who before and after therapy underwent PET/CT with prostate-specific membrane antigen (PSMA) ligands and skeletal scans, including quantitative SPECT/CT of the whole body; before each RNT cycle, blood parameters, tumor marker prostate-specific antigen, clinical status, and severity of pain were measured. A comparison and correlation analysis of quantitative parameters of the bone-seeking radiopharmaceutical accumulation, biochemical markers, clinical status, and pain syndrome measured using a visual analogue scale, were performed.</p><p><bold>Results.</bold><bold> </bold>Comparison of the quantitative characteristics of bone-seeking radiopharmaceutical accumulation in the skeletal bones before and after RNT showed that only the maximal standardized uptake value (SUVmax) decreased significantly in 25 of 30 patients (<italic>p</italic><italic> </italic>= 0.000215). Considering prostate-specific antigen levels, starting from the 3rd course it was</p><p>possible to statistically reliably establish further dynamics of changes in this marker (<italic>p</italic><italic> </italic>&lt;0.05). When analyzing groups of patients divided depending on the changes in pain syndrome per the VAS scale, a decrease in SUVmean and pain syndrome was detected in 13 (59.1 %) patients. Without changes in pain syndrome intensity, SUVmean decreased in 9 (40.9 %). The differences in indicators were statistically significant (<italic>p </italic>= 0.008).</p><p><bold>Conclusion. </bold>There is a tendency towards a decrease in the quantitative indicators of radiopharmaceutical accumulation after systemic RNT with radium-223 dichloride. The relationship between quantitative indicators of the bone-seeking radiopharmaceutical accumulation, laboratory parameters and clinical status is observed. However, each of the analyzed indicators separately does not fully reflect the effectiveness of the therapy.</p><p>In the future, quantitative SPECT/CT may become more widely used not only for selecting patients for systemic RNT with radium-223 dichloride, but also for assessing its effectiveness since it provides objective view of the distribution pattern of radiopharmaceutical in areas of metastasis and correlates with other assessment methods<bold>. </bold>It can also become an important prognostic factor in monitoring the condition of patients with mCRPC.</p></abstract><trans-abstract xml:lang="ru"><p><bold>Введение. </bold>Системная радионуклидная терапия (РНТ) дихлоридом радия-223 одобрена для лечения костных метастазов у пациентов с метастатическим кастрационно-резистентным раком предстательной железы (мКРРПЖ) на основании результатов исследования III фазы ALSYMPCA. Применение дихлорида радия-223 увеличило общую выживаемость и обеспечило улучшение качества жизни пациентов. В настоящий момент отсутствует достоверный алгоритм оценки эффективности терапии дихлоридом радия-223 современными диагностическими методами, один из которых – количественная однофотонная эмиссионная компьютерная томография, совмещенная с компьютерной томографией (ОФЭКТ/КТ).</p><p><bold>Цель исследования </bold>– определить возможности количественной ОФЭКТ/КТ в оценке эффективности терапии дихлоридом радия-223 пациентов с костными метастазами мКРРПЖ.</p><p><bold>Материалы</bold><bold> </bold><bold>и методы. </bold>В исследование включены данные 30 пациентов, получивших полный курс (6 инъекций) РНТ дихлоридом радия-223. До и после терапии проводилась позитронно-эмиссионная томография, совмещенная с компьютерной томографией, с лигандами простатического специфического мембранного антигена, сканирование скелета, включая количественную ОФЭКТ/КТ всего тела, мониторинг перед каждым циклом РНТ показателей крови, онкомаркера простатического специфического антигена, клинического статуса и выраженности болевого синдрома. Проведены сравнение и корреляционный анализ количественных показателей накопления остеотропного радиофармацевтического лекарственного препарата (РФЛП), биохимических маркеров, клинического статуса и болевого синдрома, измеряемого с помощью визуальной аналоговой шкалы.</p><p><bold>Результаты. </bold>При сравнении количественных показателей накопления остеотропного РФЛП в костях скелета до и после РНТ статистически значимо снижалось только максимальное значение стандартизированного уровня накопления – у 25 из 30 пациентов (<italic>p</italic><italic> </italic>= 0,000215). При оценке уровней простатического специфического антигена, начиная с 3-го курса, можно достоверно установить дальнейшую динамику изменения данного маркера (<italic>p</italic><italic> </italic>&lt;0,05). При анализе групп пациентов, распределенных в зависимости от изменения болевого синдрома по визуальной аналоговой шкале, снижение среднего значения стандартизированного уровня накопления и болевого синдрома выявлено у 13 (59,1 %) пациентов. Снижение данного показателя без изменения болевого синдрома отмечено у 9 (40,9 %) пациентов. Различия показателей статистически значимы (<italic>p</italic><italic> </italic>= 0,008).</p><p><bold>Заключение. </bold>Наблюдается тенденция к снижению количественных показателей накопления остеотропного РФЛП после системной РНТ дихлоридом радия-223. Определяется взаимосвязь между количественными показателями накопления РФЛП, лабораторными данными и клиническим статусом пациента. Однако каждый из анализируемых показателей по отдельности не в полной мере отображает эффективность проводимой терапии, что обусловливает необходимость совокупного анализа предложенных методик.</p><p>Количественная ОФЭКТ/КТ в перспективе может получить более широкое применение и использоваться не только в целях отбора пациентов для системной РНТ дихлоридом радия-223, но и для оценки ее эффективности, поскольку обеспечивает объективизацию картины распределения РФЛП в областях метастазирования и коррелирует с другими методами оценки. Также она может стать важным прогностическим фактором контроля состояния пациента с мКРРПЖ.</p></trans-abstract><kwd-group xml:lang="en"><kwd>bone metastasis</kwd><kwd>metastatic castration-resistant prostate cancer</kwd><kwd>quantitative single-photon emission computed tomography/computed tomography</kwd><kwd>radium-223 dichloride</kwd><kwd>radionuclide therapy</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>костный метастаз</kwd><kwd>метастатический кастрационно-резистентный рак предстательной железы</kwd><kwd>количественная однофотонная эмиссионная компьютерная томография, совмещенная с компьютерной томографией</kwd><kwd>дихлорид радия-223</kwd><kwd>радионуклидная терапия</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Tannock I.F., de Wit R., Berry W.R. et al. Docetaxel plus prednisone or mitoxantrone plus prednisone for advanced prostate cancer. N Engl J Med 2004;351(15):1502–12. 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