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<article article-type="review-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">medsovet</journal-id><journal-title-group><journal-title xml:lang="ru">Медицинский Совет</journal-title><trans-title-group xml:lang="en"><trans-title>Meditsinskiy sovet = Medical Council</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2079-701X</issn><issn pub-type="epub">2658-5790</issn><publisher><publisher-name>REMEDIUM GROUP Ltd.</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21518/ms2025-223</article-id><article-id custom-type="elpub" pub-id-type="custom">medsovet-9170</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>ЗАБОЛЕВАНИЯ БИЛИАРНОЙ СИСТЕМЫ И ПЕЧЕНИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>DISEASES OF THE BILIARY SYSTEM AND LIVER</subject></subj-group></article-categories><title-group><article-title>Препараты L-орнитина как модуляторы соматотропной оси для коррекции саркопении при хронических болезнях печени</article-title><trans-title-group xml:lang="en"><trans-title>L-Ornithine salts as somatotropic axis modulators for the correction of sarcopenia in chronic liver disease</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4690-1811</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Приходько</surname><given-names>В. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Prikhodko</surname><given-names>V. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Приходько Вероника Александровна, к.б.н., доцент кафедры фармакологии и клинической фармакологии</p><p>197376, Санкт-Петербург, ул. Профессора Попова, д. 14а</p></bio><bio xml:lang="en"><p>Veronika A. Prikhodko, Cand. Sci. (Biol.), Associate Professor at the Department of Pharmacology and Clinical Pharmacology</p><p>14а, Professor Popov St., St Petersburg, 197376</p></bio><email xlink:type="simple">vaprikhodko@rambler.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/0000-0003-4294-5531</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Оковитый</surname><given-names>С. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Okovityi</surname><given-names>S. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Оковитый Сергей Владимирович, д.м.н., профессор, заведующий кафедрой фармакологии и клинической фармакологии, СанктПетербургский государственный химико-фармацевтический университет; профессор Научно-клинического и образовательного центра гастроэнтерологии и гепатологии, Санкт-Петербургский государственный университет</p><p>197376, Санкт-Петербург, ул. Профессора Попова, д. 14а,</p><p>199034, Санкт-Петербург, Университетская наб., д. 7–9</p></bio><bio xml:lang="en"><p>Sergey V. Okovityi, Dr. Sci. (Med.), Professor, Head of the Department of Pharmacology and Clinical Pharmacology, Saint Petersburg State Chemical-Pharmaceutical University; Professor at Scientific and Clinical Center for Gastroenterology and Hepatology, Saint Petersburg State University</p><p>14а, Professor Popov St., St Petersburg, 197376, </p><p>7–9, Universitetskaya Emb., St Petersburg, 199034</p></bio><email xlink:type="simple">okovityy@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Санкт-Петербургский государственный химико-фармацевтический университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Saint Petersburg State Chemical-Pharmaceutical University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Санкт-Петербургский государственный химико-фармацевтический университет;&#13;
Санкт-Петербургский государственный университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Saint Petersburg State Chemical-Pharmaceutical University; &#13;
Saint Petersburg State University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>18</day><month>06</month><year>2025</year></pub-date><volume>0</volume><issue>8</issue><fpage>80</fpage><lpage>93</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Приходько В.А., Оковитый С.В., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Приходько В.А., Оковитый С.В.</copyright-holder><copyright-holder xml:lang="en">Prikhodko V.A., Okovityi S.V.</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.med-sovet.pro/jour/article/view/9170">https://www.med-sovet.pro/jour/article/view/9170</self-uri><abstract><p>Саркопения – синдром, характеризующийся прогрессирующей и генерализованной потерей мышечной массы, силы и функции, имеющий первичную и вторичную формы. Вторичная саркопения осложняет течение хронических заболеваний печени с частотой встречаемости от 30 до 100% в зависимости от их характера, тяжести и степени компенсации. Наличие саркопении ограничивает повседневную активность и трудоспособность больных, снижает качество жизни, может приводить к инвалидизации и значительно повышает риск смерти от всех причин. Несмотря на высокую медико-социальную значимость этого состояния, на сегодняшний день отсутствуют препараты для его коррекции с доказанной эффективностью и безопасностью. Значительное внимание исследователей в последние годы привлекают соединения, способные восстанавливать нормальное функционирование соматотропной оси, страдающее при всех видах саркопении. L-орнитин и его соли (L-аспартат, α-кетоглутарат) не только обладают прямым гепатопротекторным и гипоаммониемическим действием, но и оказывают влияние на соматотропную ось, а также обладают плейотропными метаболическими эффектами. Доклиническими исследованиями установлено, что посредством стимуляции экспрессии и релиза грелина L-орнитин выступает в роли непрямого секретагога соматотропина и способствует повышению активности его основного эффектора – инсулиноподобного фактора роста 1. В клинических исследования курсовой прием L-орнитина – L-аспартата в дополнение к стандартной терапии у больных патологиями печени сопровождался увеличением системных уровней соматотропного гормона (СТГ), ростом объемов мышц плеча, повышением показателей динамометрии и результатов координационных проб. L-орнитина α-кетоглутарат стимулировал аппетит и набор мышечной массы при синдроме мальнутриции у пожилых, предупреждал потерю глутамина скелетными мышцами после оперативных вмешательств, а также повышал качество жизни возрастных пациентов в восстановительном периоде после перенесенных заболеваний. Имеющиеся данные свидетельствуют о потенциальной эффективности препаратов L-орнитина для коррекции саркопении на фоне хронических заболеваний печени и подчеркивают актуальность дальнейших исследований в этой области.</p></abstract><trans-abstract xml:lang="en"><p>Sarcopenia is a syndrome characterized by a progressive and generalized loss of skeletal muscle mass, strength, and function, that exists in a primary and a secondary form. Secondary sarcopenia complicates chronic liver disease with a prevalence ranging from 30 to 100% depending on the nature of disease, its severity, and compensation status. The presence of sarcopenia limits normal daily activity, reduces work capacity, diminishes quality of life, may lead to disability, and increases all-cause mortality risk. Despite the evident medical and social burden of this condition, as of today, no agents for its treatment have proven to be both effective and safe. Significant attention of the scientific community has recently been drawn to molecules that improve and normalize the somatotropic axis function, which is found to be impaired in all types of sarcopenia. L-ornithine and its salts (L-aspartate, α-ketoglutarate) are not only capable of direct hepatoprotection and facilitation of ammonia clearance, but also modulate the somatotropic axis as well as have a number of pleiotropic metabolic effects. Preclinical studies have found L-ornithine to act as an indirect growth hormone secretagogue and enhance the activity of its main effector molecule, insulin-like growth factor 1. In clinical trials, course treatment with L-ornithine L-aspartate as an add-on to standard therapy increased the levels of circulating growth hormone, promoted arm muscle growth, improved handgrip strength and standing balance. L-ornithine α-ketoglutarate increased appetite and skeletal muscle gain in malnourished older adults, mitigated glutamine loss by skeletal muscle following major surgery, and improved quality of life in elderly convalescent subjects. The available data suggest potential effectiveness of L-ornithine formulations for the treatment of sarcopenia associated with chronic liver disease, and highlight this indication as an important field for future research.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>L-орнитин – L-аспартат</kwd><kwd>L-орнитина α-кетоглутарат</kwd><kwd>соматотропный гормон</kwd><kwd>гормон роста</kwd><kwd>эффективность</kwd></kwd-group><kwd-group xml:lang="en"><kwd>L-ornithine L-aspartate</kwd><kwd>L-ornithine α-ketoglutarate</kwd><kwd>somatotropic hormone</kwd><kwd>growth hormone</kwd><kwd>effectiveness</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Cruz-Jentoft AJ, Bahat G, Bauer J, Boirie Y, Bruyère O, Cederholm T et al. Sarcopenia: revised European consensus on definition and diagnosis. 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