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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">62719</article-id><article-id pub-id-type="doi">10.17816/dv62719</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>COSMETOLOGY</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>КОСМЕТОЛОГИЯ</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">Evaluation of the effectiveness and safety of photodynamic skin therapy</article-title><trans-title-group xml:lang="ru"><trans-title>Оценка эффективности и безопасности фотодинамической терапии кожи</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5044-5265</contrib-id><contrib-id contrib-id-type="spin">1107-4372</contrib-id><name-alternatives><name xml:lang="en"><surname>Kruglova</surname><given-names>Larisa S.</given-names></name><name xml:lang="ru"><surname>Круглова</surname><given-names>Лариса Сергеевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Dr. Sci. (Med.), Prof.</p></bio><bio xml:lang="ru"><p>доктор медицинских наук, проф.</p></bio><email>kruglovals@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0521-0333</contrib-id><name-alternatives><name xml:lang="en"><surname>Surkichin</surname><given-names>Sergey I.</given-names></name><name xml:lang="ru"><surname>Суркичин</surname><given-names>Сергей Иванович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Cand. Sci. (Med.), Associate Professo</p></bio><bio xml:lang="ru"><p>кандидат медицинских наук, доцент</p></bio><email>surkichinsi24@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3437-5233</contrib-id><name-alternatives><name xml:lang="en"><surname>Griazeva</surname><given-names>Natalya V.</given-names></name><name xml:lang="ru"><surname>Грязева</surname><given-names>Наталья Владимировна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Cand. Sci. (Med.), Associate Professor</p></bio><bio xml:lang="ru"><p>кандидат медицинских наук, доцент</p></bio><email>tynrik@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2781-4587</contrib-id><name-alternatives><name xml:lang="en"><surname>Kholupova</surname><given-names>Lyudmila Sergeevna</given-names></name><name xml:lang="ru"><surname>Холупова</surname><given-names>Людмила Сергеевна</given-names></name></name-alternatives><bio xml:lang="en"><p>MD, Assistant Lecturer</p></bio><bio xml:lang="ru"><p>ассистент</p></bio><email>karsekals@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1911-6743</contrib-id><name-alternatives><name xml:lang="en"><surname>Mayorov</surname><given-names>Roman Yuryevich</given-names></name><name xml:lang="ru"><surname>Майоров</surname><given-names>Роман Юрьевич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Clinical Resident</p></bio><bio xml:lang="ru"><p>клинический ординатор</p></bio><email>roman1396@bk.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Central State Medical Academy of Department of Presidential Affairs</institution></aff><aff><institution xml:lang="ru">Центральная государственная медицинская академия Управления делами Президента Российской Федерации</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2021-04-15" publication-format="electronic"><day>15</day><month>04</month><year>2021</year></pub-date><volume>24</volume><issue>2</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>187</fpage><lpage>196</lpage><history><date date-type="received" iso-8601-date="2021-03-05"><day>05</day><month>03</month><year>2021</year></date><date date-type="accepted" iso-8601-date="2021-05-26"><day>26</day><month>05</month><year>2021</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2021, Eco-Vector</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2021, ООО "Эко-Вектор"</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="en">Eco-Vector</copyright-holder><copyright-holder xml:lang="ru">ООО "Эко-Вектор"</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/" start_date="2025-08-01"/></permissions><self-uri xlink:href="https://rjsvd.com/1560-9588/article/view/62719">https://rjsvd.com/1560-9588/article/view/62719</self-uri><abstract xml:lang="en"><p><italic>BACKGROUND:</italic> Photodynamic therapy is an innovative technique for non-invasive skin rejuvenation by stimulating neocollagenogenesis.</p> <p><italic>AIMS:</italic> The aim of our study was to assess the safety and efficacy of photodynamic therapy on the skin using a wavelength of 660 nm, as a photosensitizer (PS) – Spherometallochlorin™.</p> <p><italic>MATERIALS AND METHODS:</italic> The study was divided into 2 stages. The first stage of the study involved 5 female laboratory rats. The first stage was divided into 2 substages: 1A – the oral mucosa of 5 rats were irradiated for 30 minutes with 5 wavelengths of 660 nm (energy 100 J/cm<sup>2</sup>, power 100 mW/cm<sup>2</sup>). 1B – FS Spherometallochlorin™ was applied to the skin of the back of rats after preliminary shaving in the form of 0.4% gel. Before applying the topical agent, after 15 minutes of exposure, after 30 minutes of exposure, after 45 minutes of exposure, in order to assess the penetration of the PS, a punch biopsy was taken in the area of application of the gel. The second stage of the study involved 15 female volunteers aged 21 to 65 years. At stage 2A, the skin behind the ear of 5 women was irradiated for 30 minutes at a wavelength of 660 nm (energy 100 J/cm<sup>2</sup>, power 100 mW/cm<sup>2</sup>) using a PS 0.4% gel containing Spherometallochlorin™. Stage 2B evaluated the effectiveness of the effect of PDT procedures on the skin of 15 women. Skin condition was assessed using cutometry, corneometry, measurement of transepidermal water loss, and punch biopsy samples of the parotid skin (before and after the course of procedures), photographing and assessment of unwanted effects were also carried out.</p> <p><italic>RESULTS:</italic> The histological picture before and after the study was similar. The preparation usually contained small fragments of the oral mucosa. The superficial squamous non-keratinizing epithelium was of normal morphology. On the surface of some fragments, hemorrhages (artifact of material sampling) were present. No inflammation, edema or hyperemia was observed in the underlying mucosa. Thus, no signs of inflammation or burns were found.</p> <p><italic>CONCLUSION:</italic> The used radiation with a wavelength of 660 nm is completely safe, does not cause pathological changes in the skin. The course of PDT procedures is a safe, effective method causing remodeling of the dermis. PDT using 660 nm radiation and Spherometallochlorin™ as a PS can be recommended for use in practical health care.</p></abstract><trans-abstract xml:lang="ru"><p><italic>Обоснование.</italic> Фотодинамическая терапия ― инновационная методика неинвазивного омоложения кожи за счёт стимуляции неоколлагеногенеза.</p> <p><italic>Цель</italic> ― оценка безопасности и эффективности воздействия на кожу фотодинамической терапии мощностью 660 нм с использованием геля Сферометаллохлорин™ в качестве фотосенсибилизатора.</p> <p><italic>Материал</italic> <italic>и</italic> <italic>методы.</italic> Выполнено нерандомизированное контролируемое клиническое исследование. Первый этап исследования, в котором участвовали 5 лабораторных крыс женского пола, был разделён на 2 подэтапа: 1А ― воздействие источником облучения длиной волны 660 нм (энергия 100 Дж/см<sup>2</sup>, мощность 100 мВ/см<sup>2</sup>) на слизистую оболочку полости рта в течение 30 мин; 1Б ― дополнительное использование геля, содержащего 0,4% Сферометаллохлорин™, в качестве фотосенсибилизатора, при тех же условиях облучения.</p> <p>Второй этап исследования с участием 15 женщин-добровольцев в возрасте от 21 до 65 лет также был разделён на два подэтапа: 2А ― облучение заушной области в течение 30 мин длиной волны 660 нм (энергия 100 Дж/см<sup>2</sup>, мощность 100 мВ/см<sup>2</sup>) с использованием в качестве фотосенсибилизатора 0,4% геля, содержащего Сферометаллохлорин™, 2Б ― оценка эффективности воздействия курса процедур фотодинамической терапии на кожу при помощи кутометрии, корнеометрии, измерения трансэпидермальной потери воды.</p> <p>Во всех случаях оценку безопасности проводили с помощью гистологического исследования (панч-биопсия). Кроме того, проводили фотографирование и оценку нежелательных эффектов.</p> <p><italic>Результаты.</italic> По данным гистологического исследования, воздействие излучением 660 нм на слизистую оболочку полости рта крысы не вызывает каких-либо отклонений от нормы; при воздействии излучением 660 нм с использованием фотосенсибилизатора на кожу заушной области женщин появляются небольшая отёчность и набухание ядер эпидермиса, которые полностью разрешаются через 20 дней. Используемое излучение длиной волны 660 нм является полностью безопасным, не вызывает патологических изменений в коже. Используемый в качестве фотосенсибилизатора гель, содержащий 0,4% Сферометаллохлорин™, хорошо проникает в дерму, оптимальное время экспозиции составляет 30 мин. Курс процедур фотодинамической терапии является безопасным, эффективным методом, вызывающим ремоделирование дермы.</p> <p><italic>Заключение. </italic>Фотодинамическую терапию с использованием излучения 660 нм и Сферометаллохлорина™ в качестве фотосенсибилизатора можно рекомендовать для использования в практическом здравоохранении.</p></trans-abstract><kwd-group xml:lang="en"><kwd>photodynamic therapy</kwd><kwd>PDT</kwd><kwd>Spherometallochlorin™</kwd><kwd>HELEO4™</kwd><kwd>singlet oxygen</kwd><kwd>phototherapy</kwd><kwd>660 nm</kwd><kwd>photosensitizer</kwd><kwd>histology</kwd><kwd>immunohistochemistry</kwd><kwd>local treatment</kwd><kwd>porphyrins</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>фотодинамическая терапия</kwd><kwd>ФДТ</kwd><kwd>Сферометаллохлорин™</kwd><kwd>HELEO4™</kwd><kwd>синглетный кислород</kwd><kwd>фототерапия</kwd><kwd>660 нм</kwd><kwd>фотосенсибилизатор</kwd><kwd>гистология</kwd><kwd>иммуногистохимия</kwd><kwd>местное лечение</kwd><kwd>порфирины</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><citation-alternatives><mixed-citation xml:lang="en">Saini R, Lee NV, Liu KY, Poh CF. 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