Trial reportDrug design, development and therapy2025
Alfentanil Enhanced the Sedation of Remimazolam During Anaesthesia Induction in Patients Undergoing Urological Day Surgery: A Randomised Controlled Trial.
Trial report in Drug design, development and therapy, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 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
2 citing papers in PubMed.
- Dose-Response Relationship of Single Intravenous Remimazolam on Bispectral Index and Cardiorespiratory Effects.Drug design, development and therapy · 2026Trial
- Comparative effects of alfentanil-remimazolam versus fentanyl-remimazolam on anesthesia onset, emergence, and safety in first-trimester surgical abortion under intravenous anesthesia: a randomized controlled trial.Frontiers in medicine · 2026Trial
Corrections and comments
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Authors and funding
9 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Background: Remimazolam is a novel benzodiazepine sedative agent. Combining opioids with sedatives exerts a synergistic effect. The aim is to investigate whether alfentanil enhances sedative effects of remimazolam during anaesthesia induction in patients undergoing urological day surgery. Methods: This was a single-centre, single-blinded, randomised clinical trial. The study was conducted between 1 September 2022 and 31 December 2023. We included 114 patients undergoing urological day surgery under general anaesthesia. Patients were randomly assigned to the RMZ-AF or AF-RMZ group (n=57). During induction, the RMZ-AF group received remimazolam then alfentanil, and the AF-RMZ group received alfentanil then remimazolam. Primary outcome was the time from remimazolam administration to loss of consciousness (LOC) during induction. Secondary outcomes included anaesthetic and surgical characteristics, vital signs, and adverse events. Results: The time from remimazolam administration to LOC was shorter in the AF-RMZ group compared with the RMZ-AF group (87.3 [25.7] s vs 132.3 [32.3] s, Conclusion: Alfentanil enhanced remimazolam's sedative effects during anaesthesia induction in patients undergoing urological day surgery. The combination of remimazolam and alfentanil for general anaesthesia would improve efficacy, reducing the adverse effects and dosage of drug. But the potential mechanisms need further study. Clinical Trial Registration: The trial was registered before patient enrolment at http://www.chictr.org.cn (ChiCTR2200064130, principal investigator: Xuehai Guan; date of registration: 27 September 2022, https://www.chictr.org.cn/showproj.html?proj=179023).
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