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Automated Anesthesia Guided by the Conox Monitor for Surgery — Conox-loop  

Anesthesia, General Clinical Trial

Official title:
Comparison Between Manual Versus Closed-loop Titration of Propofol and Remifentanil Guided by the qCon and qNox Indexes During Induction and Maintenance of General Anesthesia in Adult Patients: a Multicentre Randomized Controlled Study

Clinical Trial Summary

This study compares automated administration of propofol and remifentanil versus manual administration during general anesthesia for a surgery. The closed-loop coadministration of propofol and remifentanil is guided by qCon and qNox indexes from the Conox monitor.

Clinical Trial Description

Several monitors are currently proposed to evaluate the depth of hypnosis. The Conox monitor differentiates itself from the other brain monitor by calculating two EEG indexes, the qCon and the qNox. The qCon corresponds to the depth of the sedation and the qNox relates to the probability that a nociceptive stimulation triggers a movement of the patient. A controller allowing the automated titration of propofol guided by the qCon and remifentanil guided by the qNox has been developed. In preparation for a large multi-center control trial, this prospective randomized study evaluates the effectiveness of such a closed-loop anesthesia system. Two groups of patients are compared: one arm in which propofol and remifentanil are administered by the anesthesiologist using target-controlled infusion (TCI) systems, and the second arm in which propofol and remifentanil are administered automatically by the combined closed-loop anesthesia system. In both groups, the goal is to maintain qCon between 40 and 60, the recommended range during anesthesia by the manufacturer. It is expected the combined closed-loop anesthesia system group to do similar or better control to maintain the qCon in the desired range. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT03540875
Study type Interventional
Source CMC Ambroise Paré
Contact
Status Terminated
Phase N/A
Start date July 2, 2018
Completion date February 18, 2019
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