Annals of medicine · 2026
Repeated remimazolam sedation for interstitial brachytherapy in cervical cancer: a randomized controlled trial.
СтатьяРандомизированное исследованиеНазвание и аннотация: Перевод пока не подготовлен
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Wang Yanqing, Yang Handan, Gu Qian, Wang Huaiming, Sun Jiaxin, Xu Yiquan, Shu Jinjun, Zeng Deling
Аннотация
BACKGROUND: Evidence regarding repeated remimazolam administration remains limited. We hypothesized that remimazolam would be associated with fewer adverse events than propofol while maintaining stable sedative requirements across three repeated sedation sessions.
METHODS: Patients with cervical cancer undergoing three fractions of interstitial brachytherapy were randomized to propofol or remimazolam. The primary outcome was the proportion of sedation episodes with at least one prespecified intraoperative adverse event across three sessions. Secondary outcomes included sedative dose, hemodynamics, and sleep quality assessed using the Pittsburgh Sleep Quality Index (PSQI) and Athens Insomnia Scale (AIS).
RESULTS: A total of 100 participants were randomized, of whom 91 completed all three prespecified sedation sessions and were included in the primary per-protocol analysis (46 in the propofol group and 45 in the remimazolam group). Across 138 propofol and 135 remimazolam episodes, overall adverse events were less frequent with remimazolam (17.78% vs. 59.42%; RR, 0.30; 95% CI, 0.18-0.49; p < 0.001). Respiratory depression (3.70% vs. 26.09%; RR, 0.14; 95% CI, 0.04-0.53; p = 0.004) and hypotension (8.15% vs. 41.30%; RR, 0.20; 95% CI, 0.09-0.42; p < 0.001) were also lower with remimazolam. Remimazolam requirements remained stable across sessions (third vs. first: mean difference, 0.19 mg; 95% CI, -0.78 to 1.15; p = 0.846). No significant between-group differences were observed in PSQI or AIS scores.
CONCLUSION: Across three consecutive sedation sessions for interstitial brachytherapy, remimazolam was associated with fewer respiratory and hemodynamic adverse events than propofol, while sedative requirements remained stable across the three sessions.
TRIAL REGISTRATION: Chinese Clinical Trial Registry (identifier: ChiCTR2500108294).
METHODS: Patients with cervical cancer undergoing three fractions of interstitial brachytherapy were randomized to propofol or remimazolam. The primary outcome was the proportion of sedation episodes with at least one prespecified intraoperative adverse event across three sessions. Secondary outcomes included sedative dose, hemodynamics, and sleep quality assessed using the Pittsburgh Sleep Quality Index (PSQI) and Athens Insomnia Scale (AIS).
RESULTS: A total of 100 participants were randomized, of whom 91 completed all three prespecified sedation sessions and were included in the primary per-protocol analysis (46 in the propofol group and 45 in the remimazolam group). Across 138 propofol and 135 remimazolam episodes, overall adverse events were less frequent with remimazolam (17.78% vs. 59.42%; RR, 0.30; 95% CI, 0.18-0.49; p < 0.001). Respiratory depression (3.70% vs. 26.09%; RR, 0.14; 95% CI, 0.04-0.53; p = 0.004) and hypotension (8.15% vs. 41.30%; RR, 0.20; 95% CI, 0.09-0.42; p < 0.001) were also lower with remimazolam. Remimazolam requirements remained stable across sessions (third vs. first: mean difference, 0.19 mg; 95% CI, -0.78 to 1.15; p = 0.846). No significant between-group differences were observed in PSQI or AIS scores.
CONCLUSION: Across three consecutive sedation sessions for interstitial brachytherapy, remimazolam was associated with fewer respiratory and hemodynamic adverse events than propofol, while sedative requirements remained stable across the three sessions.
TRIAL REGISTRATION: Chinese Clinical Trial Registry (identifier: ChiCTR2500108294).