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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">Russian Journal of Skin and Venereal Diseases</journal-id><journal-title-group><journal-title xml:lang="en">Russian Journal of Skin and Venereal Diseases</journal-title><trans-title-group xml:lang="ru"><trans-title>Российский журнал кожных и венерических болезней</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1560-9588</issn><issn publication-format="electronic">2412-9097</issn><publisher><publisher-name xml:lang="en">Eco-Vector</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">696583</article-id><article-id pub-id-type="doi">10.17816/dv696583</article-id><article-id pub-id-type="edn">WNFBXQ</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>DERMATOLOGY</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>ДЕРМАТОЛОГИЯ</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">First experience with the use of a combination of azathioprine and narrowband UVB 311-nm therapy in atopic dermatitis</article-title><trans-title-group xml:lang="ru"><trans-title>Первый опыт применения комбинации азатиоприна и узкополосной УФБ-терапии 311 нм при атопическом дерматите</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7136-4053</contrib-id><contrib-id contrib-id-type="spin">1403-3031</contrib-id><name-alternatives><name xml:lang="en"><surname>Kochergin</surname><given-names>Nikolay G.</given-names></name><name xml:lang="ru"><surname>Кочергин</surname><given-names>Николай Георгиевич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Dr. Sci. (Medicine), Professor</p></bio><bio xml:lang="ru"><p>д-р мед. наук, профессор</p></bio><email>nkocha@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0002-2342-276X</contrib-id><contrib-id contrib-id-type="spin">8886-4846</contrib-id><name-alternatives><name xml:lang="en"><surname>Ding</surname><given-names>Yingyu</given-names></name><name xml:lang="ru"><surname>Дин</surname><given-names>Инюй</given-names></name></name-alternatives><address><country country="CN">China</country></address><email>dininyui@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9628-0523</contrib-id><contrib-id contrib-id-type="spin">9259-6459</contrib-id><name-alternatives><name xml:lang="en"><surname>Myzina</surname><given-names>Kristina A.</given-names></name><name xml:lang="ru"><surname>Мызина</surname><given-names>Кристина Александровна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Cand. Sci. (Medicine)</p></bio><bio xml:lang="ru"><p>канд. мед. наук</p></bio><email>bashlakova_kristina@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7660-7958</contrib-id><contrib-id contrib-id-type="spin">2054-1086</contrib-id><name-alternatives><name xml:lang="en"><surname>Smirnov</surname><given-names>Konstantin V.</given-names></name><name xml:lang="ru"><surname>Смирнов</surname><given-names>Константин Викторович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>puva3@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">The First Sechenov Moscow State Medical University</institution></aff><aff><institution xml:lang="ru">Первый Московский государственный медицинский университет имени И.М. Сеченова (Сеченовский Университет)</institution></aff></aff-alternatives><pub-date date-type="preprint" iso-8601-date="2026-04-06" publication-format="electronic"><day>06</day><month>04</month><year>2026</year></pub-date><pub-date date-type="pub" iso-8601-date="2026-05-17" publication-format="electronic"><day>17</day><month>05</month><year>2026</year></pub-date><volume>29</volume><issue>2</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>138</fpage><lpage>146</lpage><history><date date-type="received" iso-8601-date="2025-11-21"><day>21</day><month>11</month><year>2025</year></date><date date-type="accepted" iso-8601-date="2026-01-25"><day>25</day><month>01</month><year>2026</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2026, Eco-Vector</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2026, Эко-Вектор</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="en">Eco-Vector</copyright-holder><copyright-holder xml:lang="ru">Эко-Вектор</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/" start_date="2029-05-17"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://creativecommons.org/licenses/by-nc-nd/4.0/</ali:license_ref></license></permissions><self-uri xlink:href="https://rjsvd.com/1560-9588/article/view/696583">https://rjsvd.com/1560-9588/article/view/696583</self-uri><abstract xml:lang="en"><p><bold>BACKGROUND:</bold> Atopic dermatitis is a chronic, relapsing, immune-mediated inflammatory pruritic skin disease that substantially impairs patients' quality of life. In some patients with moderate to severe disease that is resistant to standard therapy, pronounced pruritus and high disease activity persist, prompting the search for pathogenetically justified combination treatment approaches.</p> <p><bold>AIM:</bold> The study aimed to evaluate the clinical efficacy and safety of combination therapy with azathioprine and narrowband UVB 311-nm in patients with moderate to severe refractory atopic dermatitis.</p> <p><bold>METHODS:</bold> This non-controlled clinical study involved 20 patients (14 men and 6 women aged 18–60 years) diagnosed with atopic dermatitis according to the Hanifin and Rajka criteria. Patients received oral azathioprine 50 mg twice daily for 3 to 4 weeks in combination with narrowband UVB 311-nm therapy (4 procedures per week, 12–16 sessions; initial single dose, 0.1–0.2 J/cm<sup>2</sup>, with increments of 0.1 J/cm<sup>2</sup>). Clinical efficacy was assessed using the Scoring Atopic Dermatitis (SCORAD) index, the Dermatology Life Quality Index (DLQI), and the Pruritus Index for patients with various dermatoses (Prurindex). Laboratory monitoring included complete blood count, biochemical parameters (alanine aminotransferase, aspartate aminotransferase, bilirubin, and creatinine), and thiopurine methyltransferase activity.</p> <p><bold>RESULTS:</bold> By the end of the treatment course, a marked reduction in pruritus was observed. The mean morning Prurindex score decreased from 8.2 ± 0.7 to 1.8 ± 0.4; daytime values decreased from 8.4 ± 0.6 to 2.0 ± 0.3; and evening values decreased from 9.2 ± 0.8 to 2.3 ± 0.5. After 1 month of follow-up, the mean SCORAD score decreased from 48.5 ± 3.2 to 18.2 ± 2.8 (transition from moderate to mild disease severity); the mean DLQI score decreased from 19.5 to 6.0 (transition from a strong to a moderate effect). Laboratory parameters remained within reference ranges.</p> <p><bold>CONCLUSION:</bold> Combination therapy with azathioprine and narrowband UVB 311-nm in patients with atopic dermatitis resulted in a relatively rapid and pronounced clinical response, including a marked reduction in pruritus, and may be considered a valuable alternative treatment strategy for refractory atopic dermatitis with a manageable safety profile.</p></abstract><trans-abstract xml:lang="ru"><p><bold>Обоснование.</bold> Атопический дерматит ― хроническое рецидивирующее иммуновоспалительное зудящее заболевание кожи, существенно снижающее качество жизни больного. У отдельных пациентов со среднетяжёлыми и тяжёлыми формами, резистентными к стандартной терапии, сохраняются выраженный зуд и высокий уровень активности заболевания, что объясняет поиск патогенетически обоснованных комбинированных подходов.</p> <p><bold>Цель исследования</bold> ― оценить клиническую эффективность и профиль безопасности комбинированной терапии азатиоприном и узкополосным УФБ-311 нм у пациентов со среднетяжёлым/тяжёлым рефрактерным атопическим дерматитом.</p> <p><bold>Методы.</bold> Выполнено клиническое неконтролируемое исследование с участием 20 пациентов (14 мужчин, 6 женщин в возрасте 18–60 лет) с диагнозом атопического дерматита по критериям Ханифина и Райка. Пациенты принимали азатиоприн в дозе 50 мг перорально 2 раза в сутки в течение 3–4 недель на фоне УФБ-терапии 311 нм (4 процедуры в неделю, 12–16 сеансов; начальная разовая доза 0,1–0,2 Дж/см<sup>2</sup> с увеличением на 0,1 Дж/см<sup>2</sup>). Контроль клинической эффективности осуществлялся с помощью индекса степени тяжести атопического дерматита (SCORAD), дерматологического индекса качества жизни (DLQI), индекса интенсивности кожного зуда у пациентов с различными дерматозами (Prurindex). Лабораторный мониторинг включал показатели общего анализа крови, биохимии (аланинаминотрансфераза, аспартатаминотрансфераза, билирубин, креатинин), тиопуринметилтрансферазы.</p> <p><bold>Результаты.</bold> К концу курса терапии отмечено значимое снижение зуда: средний показатель Prurindex утром снизился с 8,2 ± 0,7 до 1,8 ± 0,4; днём ― с 8,4 ± 0,6 до 2,0 ± 0,3; вечером ― с 9,2 ± 0,8 до 2,3 ± 0,5. За 1 месяц наблюдения средний показатель SCORAD редуцировал с 48,5 ± 3,2 до 18,2 ± 2,8 (переход из средней в лёгкую степень тяжести); среднее значение DLQI составило с 19,5 до 6,0 (переход от сильного влияния к умеренному). Лабораторные показатели оставались в пределах референсных значений.</p> <p><bold>Заключение.</bold> Комбинированная терапия больных атопическим дерматитом с применением азатиоприна и УФБ-311 нм, обеспечивая относительно быстрый и выраженный клинический ответ со значительным уменьшением зуда, может рассматриваться в качестве важной альтернативной стратегии в лечении рефрактерных форм атопического дерматита при управляемом профиле безопасности.</p></trans-abstract><kwd-group xml:lang="en"><kwd>atopic dermatitis</kwd><kwd>azathioprine</kwd><kwd>narrowband UVB 311-nm therapy</kwd><kwd>pruritus</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>атопический дерматит</kwd><kwd>азатиоприн</kwd><kwd>узкополосная УФБ-терапия 311 нм</kwd><kwd>зуд</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Weidinger S, Novak N. Atopic dermatitis. 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