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Clinical Trial Summary

The propofol-refentanil program-controlled closed-loop target-controlled infusion system based on NI guidance has been clinically verified. In the case of clinical use of esketamine, the separation anesthesia properties do not affect the accuracy and safety of closed-loop system guidance. However, whether the specific degree of impact can be quantified, and based on quantitative indicators, this model can be better applied to a wider range of clinical actual conditions and different drug administration backgrounds.


Clinical Trial Description

The first phase is data collection on the effect of subanesthetic doses of esketamine on NI EEG in closed-loop target-controlled infusion systems for general anesthesia. According to the observation of pre-experiments and the latest literature at home and abroad, foreign studies have confirmed that esketamine does not affect the overall stability of the closed-loop system, and we verified the reliability of this conclusion through pre-experiments. In order to clarify the degree of influence of subanesthetic dose of esketamine on EEG, it is necessary to include a certain amount of esketamine applied to the anesthesia sample of closed-loop target controlled infusion system, through the main observation indicators: the change of EEG NI value after the administration of subanesthetic dose of esketamine during the anesthesia maintenance period, the change of EEG power spectrum, and the quantitative ratio change trend of brain waves (α, β, θ, δ waves). The difference in EEG NI value, power spectrum and dynamic transformation of brain wave increased due to the action of subanesthetic dose of esketamine was obtained, and the difference was quantified by the attribution of data to the degree of change of the actual EEG NI value. According to the preset guidance EEG NI value of the original closed-loop target-controlled infusion drug delivery system 36, the guidance preset value of the closed-loop system of 36+N in the clinical administration scenario of subanesthetic dose of esketamine was reset as the new EEG closed-loop feedback baseline. The second phase is the validation of the effect of esketamine equivalent to the subanesthetic dose on closed-loop target-controlled infusion general anesthesia based on regulated NI(36+N) feedback. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT05943028
Study type Interventional
Source Guangzhou General Hospital of Guangzhou Military Command
Contact Bo Xu, professor
Phone +8613802738125
Email xubo333@hotmail.com
Status Not yet recruiting
Phase Early Phase 1
Start date July 1, 2023
Completion date October 1, 2024

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