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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">medjournal</journal-id><journal-title-group><journal-title xml:lang="ru">Медицинский журнал</journal-title><trans-title-group xml:lang="en"><trans-title>Medical Journal</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1818-426X</issn><publisher><publisher-name>Белорусский государственный медицинский университет</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.51922/1818-426X.2026.3.142</article-id><article-id custom-type="elpub" pub-id-type="custom">medjournal-462</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>МОЛОДОМУ УЧЁНОМУ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>TO THE YOUNG SCIENTIST</subject></subj-group></article-categories><title-group><article-title>Основные дизайны клинических исследований</article-title><trans-title-group xml:lang="en"><trans-title>BASIC CLINICAL RESEARCH DESIGNS</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Красько</surname><given-names>О. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Krasko</surname><given-names>O. V.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ревтович</surname><given-names>М. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Reutovich</surname><given-names>M. Yu.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ГНУ «Объединенный институт проблем информатики Национальной академии наук Беларуси»</institution><country>Беларусь</country></aff><aff xml:lang="en"><institution>United Institute of Informatics Problems «National Academy of Sciences»</institution><country>Belarus</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>УО «Белорусский государственный медицинский университет»</institution><country>Беларусь</country></aff><aff xml:lang="en"><institution>Educational Institution «Belarusian State Medical University»</institution><country>Belarus</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>24</day><month>07</month><year>2026</year></pub-date><volume>0</volume><issue>3</issue><fpage>142</fpage><lpage>148</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Красько О.В., Ревтович М.Ю., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Красько О.В., Ревтович М.Ю.</copyright-holder><copyright-holder xml:lang="en">Krasko O.V., Reutovich M.Y.</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://medjournal.ejournal.by/jour/article/view/462">https://medjournal.ejournal.by/jour/article/view/462</self-uri><abstract><p>Качество исследования и достоверность результатов, которые могут быть получены в ходе его выполнения, напрямую зависят от правильности выбора дизайна исследования. В связи с этим грамотный выбор дизайна является основополагающим фактором на этапе планирования исследования и залогом его успеха. В статье представлены основные дизайны клинических исследований и этапы их планирования.</p></abstract><trans-abstract xml:lang="en"><p>The quality of the study and the reliability of the results that can be obtained during its implementation directly depend on the correctness of the choice of the study design. In this regard, a competent choice of design is a fundamental factor at the planning stage of research and the key to its success. The article presents the main clinical trial designs and the stages of their planning.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>дизайн клинического исследования</kwd><kwd>виды дизайна</kwd><kwd>этапы планирования исследования</kwd></kwd-group><kwd-group xml:lang="en"><kwd>clinical trial design</kwd><kwd>types of design</kwd><kwd>stages of trial planning</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">Флетчер, Р. Клиническая эпидемиология. Основы доказательной медицины / Р. Флетчер, С. Флетчер, Э. Вагнер. – М.: Медиа Сфера, 1998. – 352 с.</mixed-citation><mixed-citation xml:lang="en">Fletcher R. Klinicheskaya epidemiologiya. Osnovy dokazatel'noj mediciny [Clinical Epidemiology. Fundamentals of Evidence-Based Medicine] / R. Fletcher, S. Fletcher, E. Vagner. – M.: Media Sfera, – 1998. – 352 s. 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