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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">vedomostiregmed</journal-id><journal-title-group><journal-title xml:lang="ru">Регуляторные исследования и экспертиза лекарственных средств</journal-title><trans-title-group xml:lang="en"><trans-title>Regulatory Research and Medicine Evaluation</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">3034-3062</issn><issn pub-type="epub">3034-3453</issn><publisher><publisher-name>Federal State Budgetary Institution ‘Scientific Centre for Expert Evaluation of Medicinal Products’ of the Ministry of Health of the Russian Federation (FSBI ‘SCEEMP’)</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.30895/1991-2919-2025-15-2-206-212</article-id><article-id custom-type="elpub" pub-id-type="custom">vedomostiregmed-744</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>КОНТРОЛЬ КАЧЕСТВА ЛЕКАРСТВЕННЫХ СРЕДСТВ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>QUALITY CONTROL OF MEDICINES</subject></subj-group></article-categories><title-group><article-title>Количественное определение основных компонентов в лекарственных препаратах полимиксина В методом ЯМР-спектроскопии</article-title><trans-title-group xml:lang="en"><trans-title>Quantitative Determination of Major Active Components in Polymyxin B Medicinal Products by NMR Spectroscopy</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9133-0835</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кузьмина</surname><given-names>Н. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Kuz’mina</surname><given-names>N. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кузьмина Наталия Евгеньевна - д-р хим. наук.</p><p>Петровский б-р, д. 8, стр. 2, Москва, 127051</p></bio><bio xml:lang="en"><p>Nataliya E. Kuz’mina - Dr. Sci. (Chem.).</p><p>8/2 Petrovsky Blvd, Moscow 127051</p></bio><email xlink:type="simple">KuzminaN@expmed.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/0000-0003-1310-4477</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Моисеев</surname><given-names>С. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Moiseev</surname><given-names>S. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Моисеев Сергей Владимирович - канд. хим. наук, доцент.</p><p>Петровский б-р, д. 8, стр. 2, Москва, 127051</p></bio><bio xml:lang="en"><p>Sergey V. Moiseev - Cand. Sci. (Chem.), Associate Professor.</p><p>8/2 Petrovsky Blvd, Moscow 127051</p></bio><email xlink:type="simple">MoiseevSV@expmed.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/0000-0003-3068-0396</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Якупов</surname><given-names>И. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Yakupov</surname><given-names>I. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Якупов Илья Юрьевич</p><p>Петровский б-р, д. 8, стр. 2, Москва, 127051</p></bio><bio xml:lang="en"><p>Ilya Y. Yakupov</p><p>8/2 Petrovsky Blvd, Moscow 127051</p></bio><email xlink:type="simple">yakupoviy@expmed.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/0000-0002-9103-9239</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кулешова</surname><given-names>С. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Kuleshova</surname><given-names>S. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кулешова Светлана Ивановна - канд. биол. наук.</p><p>Петровский б-р, д. 8, стр. 2, Москва, 127051</p></bio><bio xml:lang="en"><p>Svetlana I. Kuleshova - Cand. Sci. (Biol.).</p><p>8/2 Petrovsky Blvd, Moscow 127051</p></bio><email xlink:type="simple">kuleshovasi@expmed.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Федеральное государственное бюджетное учреждение «Научный центр экспертизы средств медицинского применения» Министерства здравоохранения Российской Федерации</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Scientific Centre for Expert Evaluation of Medicinal Products</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>01</day><month>05</month><year>2025</year></pub-date><volume>15</volume><issue>2</issue><fpage>206</fpage><lpage>212</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Кузьмина Н.Е., Моисеев С.В., Якупов И.Ю., Кулешова С.И., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Кузьмина Н.Е., Моисеев С.В., Якупов И.Ю., Кулешова С.И.</copyright-holder><copyright-holder xml:lang="en">Kuz’mina N.E., Moiseev S.V., Yakupov I.Y., Kuleshova S.I.</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.vedomostincesmp.ru/jour/article/view/744">https://www.vedomostincesmp.ru/jour/article/view/744</self-uri><abstract><sec><title>ВВЕДЕНИЕ</title><p>ВВЕДЕНИЕ. Природный многокомпонентный антибиотик полимиксин В в виде сульфата применяют для лечения инфекций, вызванных полирезистентными грам­отрицательными микроорганизмами. Согласно фармакопейным требованиям в препаратах полимиксина В нормируют суммарное содержание компонентов В1, В2, В3 и В1-I, а также индивидуальное содержание В3 и В1-I. Токсичность отдельных компонентов полимиксина В различается, поэтому разработка индивидуальных норм позволит регулировать содержание компонентов, характеризующихся максимальной нефротоксичностью. Подходом к решению этой задачи является анализ компонентного состава различных образцов полимиксина В. Результаты такого анализа, полученные с использованием часто применяемого метода высокоэффективной жидкостной хроматографии (ВЭЖХ) не всегда корректны из-за отсутствия стандартных образцов отдельных компонентов полимиксина В.</p></sec><sec><title>ЦЕЛЬ</title><p>ЦЕЛЬ. Оценка возможности количественного определения компонентов В1, В2, В3, B1-I в препаратах полимиксина В методом ЯМР-спектроскопии.</p></sec><sec><title>МАТЕРИАЛЫ И МЕТОДЫ</title><p>МАТЕРИАЛЫ И МЕТОДЫ. Объекты исследования — стандартный образец полимиксина В сульфата и лекарственные препараты полимиксина В различных производителей. Измерения проводили на ЯМР-спектрометре Agilent DD2 NMR System 600. Измерения референтным методом проводили по фармакопейной методике, используя ВЭЖХ-хроматограф Agilent 1200.</p></sec><sec><title>РЕЗУЛЬТАТЫ</title><p>РЕЗУЛЬТАТЫ. В спектре 13С выявлены характеристические сигналы, присущие каждому из полимиксинов В1, В2, В3 и B1-I. Мольную долю каждого из полимиксинов В1, В2, В3, B1-I определяли методом внутренней нормализации интегральных интенсивностей их характеристических сигналов. Результаты измерения содержания нормируемых компонентов в образцах полимиксина В методами ЯМР и ВЭЖХ практически совпадают с учетом доверительных интервалов.</p></sec><sec><title>ВЫВОДЫ</title><p>ВЫВОДЫ. Показана возможность использования метода 13С ЯМР-спектроскопии для идентификации основных компонентов полимиксина В и определения их количественного содержания в препаратах полимиксина В сульфата без использования стандартных образцов.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>INTRODUCTION</title><p>INTRODUCTION. Polymyxin B is a natural multicomponent antibiotic used in its sulfate form for the treatment of infections caused by multidrug-resistant Gram-negative bacteria. Pharmacopoeial standards for polymyxin B medicinal products include limits for the sum of polymyxins B1, B2, B3, and B1-I and for individual polymyxins B3 and B1-I. Since polymyxins B1 and B2 differ in their nephrotoxicity, it is important to establish individual limits for their content in polymyxin B medicinal products. Establishing individual limits for polymyxins B1 and B2 requires determining the component composition of various polymyxin B samples. However, high-performance liquid chromatography (HPLC) may not always provide accurate results because of the lack of reference standards for individual polymyxin B components.</p></sec><sec><title>AIM</title><p>AIM. This study aimed to investigate the possibility of quantifying polymyxins B1, B2, B3, and B1-I in polymyxin B medicinal products by nuclear magnetic resonance (NMR) spectroscopy.</p></sec><sec><title>MATERIALS AND METHODS</title><p>MATERIALS AND METHODS. The study focused on a reference standard for polymyxin B sulfate, as well as polymyxin B medicinal products from different manufacturers. NMR measurements were performed on an Agilent DD2 600 MHz NMR spectrometer. The study used high-performance liquid chromatography (HPLC) on an Agilent 1200 HPLC system as the reference method.</p></sec><sec><title>RESULTS</title><p>RESULTS. The 13C NMR spectrum contained signals characteristic of polymyxins B1, B2, B3, and B1-I. The authors determined the mole fractions of polymyxins B1, B2, B3, and B1-I by the internal normalisation method using the integrated intensities of the characteristic NMR signals. The results of NMR and HPLC quantification of the specified components in polymyxin B samples practically coincided (with due regard to the confidence intervals).</p></sec><sec><title>CONCLUSIONS</title><p>CONCLUSIONS. According to the results, the 13C NMR analytical procedure can identify and quantify the major active components in polymyxin B sulfate medicinal products without reference standards for individual polymyxins.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>полимиксин В</kwd><kwd>компоненты полимиксина В</kwd><kwd>идентификация</kwd><kwd>количественное содержание</kwd><kwd>ЯМР</kwd><kwd>ВЭЖХ</kwd><kwd>антибиотики</kwd><kwd>стандартизация</kwd><kwd>родственные соединения</kwd></kwd-group><kwd-group xml:lang="en"><kwd>polymyxin B</kwd><kwd>polymyxin B components</kwd><kwd>identification</kwd><kwd>quantitative composition</kwd><kwd>NMR</kwd><kwd>nuclear magnetic resonance spectroscopy</kwd><kwd>HPLC</kwd><kwd>high-performance liquid chromatography</kwd><kwd>antimicrobials</kwd><kwd>standardisation</kwd><kwd>related substances</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена в рамках государственного задания ФГБУ «НЦЭСМП» Минздрава России № 056-00001-25-00 на проведение прикладных научных исследований (номер государственного учета НИР 124022300127-0)</funding-statement><funding-statement xml:lang="en">This study was conducted by the Scientific Centre for Expert Evaluation of Medicinal Products as part of the applied research funded under State Assignment No. 056-00001-25-00 (R&amp;D Registry No. 124022300127-0)</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Wang P, Zhang Q, Qin Z, Xing H, Xu M, Pei H, et al. 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