Trial reportDrug design, development and therapy2024
Effect of Pretreatment with a Small Dose of Esketamine on Myoclonus Induced by Etomidate: A Randomized Controlled Trial.
Trial report in Drug design, development and therapy, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
3 citing papers in PubMed.
- Effect of Oliceridine Pretreatment on Etomidate-Induced Myoclonus: A Proof-of-Concept Randomized Trial.Drug design, development and therapy · 2026Trial
- Effect of oliceridine pretreatment on etomidate-induced myoclonus: a prospective, randomized, double-blind, controlled study.Frontiers in medicine · 2026Trial
- Pretreatment with different doses of oliceridine attenuates etomidate-induced myoclonus during painless gastroscopy: a randomized controlled trial.Frontiers in pharmacology · 2026Trial
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Background: Etomidate has been observed to precipitate myoclonus in patients undergoing induction of general anaesthesia. This study was designed to investigate the effect of pretreatment with a small dose of esketamine on the incidence of myoclonus induced by etomidate. Methods: One hundred adult patients, who were scheduled to undergo selective operations with general anesthesia, were randomly divided into two groups, with one group receiving esketamine (Group E) and the other receiving normal saline (Group C). The group receiving esketamine (Group E) was administered an injection of 0.15 mg/kg of esketamine, while the control group (Group C) was given an equivalent volume of normal saline two minutes before the administration of 0.3 mg/kg of etomidate. The primary objective was to determine the incidence of etomidate-induced myoclonus. Secondary endpoints included the severity of etomidate-induced myoclonus and changes in haemodynamic variables at various time intervals. Additionally, the incidence of adverse effects such as dizziness, bradycardia, hypotension and hallucination were recorded from the administration of esketamine or normal saline to the injection of etomidate. Results: The incidence of myoclonus was significantly lower in Group E (20%) than in Group C (62%). Compared with the control group, the esketamine group also experienced a reduction in the moderate and severe of myoclonus. However, there was no statistically significant difference between the two groups for mild etomidate-induced myoclonus. The haemodynamic data (mean arterial pressure and heart rate) showed no statistically significant differences between two groups at the three time points. The incidence of dizziness, bradycardia, hypotension and hallucination was similar in both groups. Conclusion: Pretreatment with 0.15 mg/kg esketamine prior to anaesthesia induction with etomidate was observed to markedly reduce the incidence and severity of myoclonus, while having no effect on mild etomidate-induced myoclonus and maintaining a stable haemodynamic status.
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