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Clinical Trial Summary

There are 10.3 million cases of stroke registered in the world every year; 63% of them lead to death. According to World Health Organization, stroke is one of the most important risk factors of death and early disability. Carotid artery surgery is a gold standard of hemodynamically significant carotid artery disease treatment. According to some trials, carotid artery surgery decreases the 2-years mortality. The most important part of carotid artery surgery is a temporary absence of blood flow in the carotid artery. The duration of this period is a crucial characteristic of this type of surgery. The absence of blood flow leads to brain ischemia which is the risk factor of postoperative neurocognitive disorders such as emergence delirium, postoperative delirium and postoperative cognitive dysfunction. Some surgical and non-surgical methods for brain protection were evaluated. According to recent data, there is no evidence of effective pharmacological protective methods that can decrease brain damage during carotid artery surgery. Nevertheless, some trials demonstrated that using lithium-based medications for patients with a stroke can reduce the volume of the stroke. Therefore, the investigators want to check the hypothesis that using lithium-based medication in the preoperative period can reduce brain damage during carotid artery surgery. The objectives of this trial: 1. To determine if Lithium carbonate is superior to placebo for the occurrence of emergence delirium, agitation, postoperative delirium and postoperative cognitive dysfunction. 2. To determine if Lithium carbonate is non-inferior to placebo for the occurrence of a new arrhythmia, leukocytosis, acute kidney injury, seizure disorders, diarrhea, nausea, and vomit.


Clinical Trial Description

There are 10.3 million cases of stroke registered in the world every year; 63% of them lead to death. According to World Health Organization, stroke is one of the most important risk factors of death and early disability. Carotid artery surgery is a gold standard of hemodynamically significant carotid artery disease treatment. According to some trials, carotid artery surgery decreases the 2-years mortality. The most important part of carotid artery surgery is a temporary absence of blood flow in the carotid artery. The duration of this period is a crucial characteristic of this type of surgery. The absence of blood flow leads to brain ischemia which is the risk factor of postoperative neurocognitive disorders such as emergence delirium, postoperative delirium and postoperative cognitive dysfunction. Some surgical and non-surgical methods for brain protection were evaluated. According to recent data, there is no evidence of effective pharmacological protective methods that can decrease brain damage during carotid artery surgery. Nevertheless, some trials demonstrated that using lithium-based medications for patients with a stroke can reduce the volume of the stroke. Therefore, the investigators want to check the hypothesis that using lithium-based medication in the preoperative period can reduce brain damage during carotid artery surgery. The objectives of this trial: To determine if Lithium carbonate is superior to placebo for the occurrence of emergence delirium, agitation, postoperative delirium and postoperative cognitive dysfunction. To determine if Lithium carbonate is non-inferior to placebo for the occurrence of a new arrhythmia, leukocytosis, acute kidney injury, seizure disorders, diarrhea, nausea, and vomit. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT05126238
Study type Interventional
Source Negovsky Reanimatology Research Institute
Contact Valery Likhvantsev, PhD
Phone +79036235982
Email [email protected]
Status Not yet recruiting
Phase Phase 3
Start date November 30, 2021
Completion date November 30, 2024

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