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ORIGINAL RESEARCH

Efficacy of using melatonin per rectum for experimental acute cerebral ischemia

Osikov MV1,2, Shelomentsev AV1,3, Boyko MS1, Shishkova YuS1, Fedosov AA4
About authors

1 South Ural State Medical University, Chelyabinsk, Russia

2 Chelyabinsk Regional Clinical Hospital, Chelyabinsk, Russia

3 Chelyabinsk Regional Clinical Therapeutic Hospital for War Veterans, Chelyabinsk, Russia

4 Peoples' Friendship University of Russia, Moscow, Russia

Correspondence should be addressed: Alexey V. Shelomentsev
Vorovskogo, 64, Chelyabinsk, 454092, Russia; ur.liam@81weznemolehcsva

About paper

Author contribution: Osikov MV — study concept and design, manuscript editing and approval; Shelomentsev AV — data acquisition, literature review, analysis and interpretation of the results; Boyko MS — statistical analysis; Shishkova YuS, Fedosov AA — manuscript editing.

Compliance with ethical standards: the study was approved by the Ethics Committee of the South Ural State Medical University (protocol No. 5 dated 10 June 2024). Animals were kept and handled in accordance with the ARRIVE (Animal Research: Reporting of In Vivo Experiments) guidelines and animal handling principles based on the provisions of the Declaration of Helsinki and the guidelines contained in the EU Council Directive 86/609/ECC and the European Convention for the protection of vertebrate animals used for experimental and other scientific purposes.

Received: 2025-06-24 Accepted: 2025-07-21 Published online: 2025-07-26
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Table 1. Effect of MT on neurological status in EACI (Ме [Q1; Q3])
Note: significant differences based on the Mann–Whitney U-test are designated as follows: * — compared to group 1 (p < 0.05); # — compared to group 2 (p < 0.05); & — significant differences based on the Wilcoxon test between days 3 and 7 within the same group (p < 0.05).
Table 2. Effect of MT on microcirculation values in EACI (Ме [Q1; Q3])
Note: significant differences based on the Mann–Whitney U-test are designated as follows: * — compared to group 1 (p < 0.05); # — compared to group 2 (p < 0.05); & — significant differences based on the Wilcoxon test between days 3 and 7 within the same group (p < 0.05).
Table 3. Correlation between neurological status indicators and MR in EACI in the context of using MT-based rectal suppositories
Note: r — Spearman’s rank correlation coefficient (r < 0.05).