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Efficacy and safety of ciprofol vs. propofol for the induction and maintenance of general anaesthesia: A multicentre, single-blind, randomised, parallel-group, phase 3 clinical trial. | LitMetric
From the Department of Anesthesiology, West China Hospital, Sichuan University, Chengdu, China (PL, MD, XW); Laboratory of Anesthesia and Critical Care Medicine, National-Local Joint Engineering Research Centre of Translational Medicine of Anesthesiology, West China Hospital, Sichuan University, Chengdu, China (PL, MD, XW); Day Surgery Center, West China Hospital, Sichuan University, Chengdu, China (PL); Department of Anesthesiology, Peking University First Hospital, Beijing, China (DW); Department of Anesthesiology, Sichuan Provincial People's Hospital, Chengdu, China (MY); Department of Anesthesiology, West China Second University Hospital, Sichuan University, Chengdu, China (XL); Department of Anesthesiology, The Affiliated Hospital of Guizhou Medical University, Guiyang, China (XZ, KJ); Department of Anesthesiology, The First Affiliated Hospital of Jinan University, Guangzhou, China (YL); Department of Anesthesiology, The 1st Affiliated Hospital of Wenzhou Medical University, Wenzhou, China (LW); Department of Anesthesiology, The 2nd Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China (WS); Department of Anesthesiology, The Second People's Hospital of Yibin, Yibin, China (JR); Department of Anesthesiology, The 2nd Affiliated Hospital, Fujian Medical University, Quanzhou, China (HH).
Published: June 2023
AI Article Synopsis
Article Abstract
Background: HSK3486 (ciprofol) is a 2,6-disubstituted phenol derivative that acts like propofol as an agonist at the gamma-aminobutyric acid-A (GABA A ) receptor.
Objective: To investigate the efficacy and safety of HSK3486 for general anaesthesia induction and maintenance.
Design: A single-blinded, randomised, parallel-group, phase 3 trial.
Setting: Involving 10 study centres, from November 24, 2020 to January 25, 2021.
Patients: A total of 129 patients undergoing nonemergency, noncardiothoracic, and nonneurosurgical elective surgery.
Intervention: Patients were randomly assigned at a 2:1 ratio into HSK3486 or propofol groups, to receive HSK3486 (0.4 mg kg -1 ) or propofol (2.0 mg kg -1 ) for induction before a maintenance infusion at initial rates of 0.8 and 5.0 mg kg -1 h -1 , and were adjusted to maintain a bispectral index (BIS) of 40-60 until the end of surgery.
Main Outcome Measures: Noninferiority between the drugs was evaluated as the lower limit of the 95% confidence interval (CI) for the between-group difference in the success rate of anesthetic maintenance (primary outcome) >-8%. Secondary outcomes included successful anaesthetic induction, full alertness and spontaneous breathing recovery, time until leaving the postanaesthesia care unit and changes in BIS. Safety profiles were also measured.
Results: Of 129 enrolled patients, 128 completed the trial, with 86 in the HSK3486 group and 42 in the propofol group. The success rate for the maintenance of general anaesthesia was 100% for both groups, and noninferiority of HSK3486 was confirmed (95% CI -4.28% to 8.38%). No significant differences were found between the two groups of patients with regard to secondary outcomes (all P > 0.05). There appeared to be a comparable incidence of treatment for emergency adverse events (TEAEs) (80.2% vs. 81.0%, P = 1.000) and drug-related TEAEs (57.0% vs. 64.3%, P = 0.451) in the HSK3486 and propofol groups.
Conclusion: HSK3486 had a noninferior efficacy profile compared to propofol, exhibiting excellent tolerance.
