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Pharmacodynamic interaction between remimazolam and remifentanil during anesthesia induction - randomized trial -

Pharmacodynamic interaction between remimazolam and remifentanil during anesthesia induction - randomized trial -

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-jRCTs031230301
Enrollment
40
Registered
2023-08-21
Start date
2024-06-17
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Not limited

Interventions

Remifentanil concentration is kept constant and remimazolam concentration is gradually increased, or remimazolam concentration is kept constant and remifentanil concentration is gradually increased

Sponsors

Masui Kenichi
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: (1) Patients aged between 18 and 89 years undergoing general anesthesia for elective surgery at Yokohama City University Hospital (2) Patients who have an arterial catheter inserted into the radial artery for intraoperative and postoperative blood pressure measurements or blood sampling (3) Patients who have given written consent to participate in this study

Exclusion criteria

Exclusion criteria: Patients for whom remimazolam, remifentanil, and rocuronium are contraindicated in the Japanese package inserts; patients receiving benzodiazepines for >=1 week within 3 months; patients with a history of drug dependence; organic brain disease; pregnant and lactating women; American Society of Anesthesiologists physical status is >=3; body mass index >=30 kg/m2; Glasgow coma scale <15; or patients deemed ineligible by the study physician

Design outcomes

Primary

MeasureTime frame
Remimazolam and remifentanil effect-site concentrations at loss of consicousness, and to suppress the sympathetic response to laryngoscopy and tracheal intubation

Secondary

MeasureTime frame
Electroencephalogram monitoring, invasive arterial blood pressure , heart rate, and effect-site concentrations fof remimazolam and remifentanil

Contacts

Public ContactKenichi Masui

Yokohama City University Hospital

masui.ken.kg@yokohama-cu.ac.jp+81-45-787-2918

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026