Respiratory Depression of Remimazolam vs. Propofol for Monitored Anesthesia Care

NCT ID: NCT07076628

Last Updated: 2025-07-22

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE4

Total Enrollment

76 participants

Study Classification

INTERVENTIONAL

Study Start Date

2023-08-24

Study Completion Date

2025-05-30

Brief Summary

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The comparison of incidence of respiratory depression between remimazolam and propofol under monitored anesthesia care for hysteroscopic surgery

Detailed Description

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* Non-invasive blood pressure, electrocardiogram, and oxygen saturation sensors are attached.

* Wear an oxygen mask (5L per minute), and place the sampling line for end-tidal carbon dioxide partial pressure measurement inside the nose.

* Check the randomization table to determine the drug to be administered, and prepare propofol or remimazolam accordingly.

* Record the baseline values (0 min).

* Start administration of Remifentanil.

⑥ Administer anesthesia to adjust the maintenance dose to reach a sedation level of 2 or less on the MOAA/S scale.

⑦ Adjust the remifentanil dose according to the patient's response

⑧ When the target sedation level is reached, the surgical preparation process and surgery begin, and the study variables are observed and recorded at 5-minute intervals.

⑨ Stop drug administration upon end of surgery.

⑩ After confirming proper recovery of consciousness and spontaneous breathing, leave the recovery room.

⑪ Before leaving the recovery room, check the complete recovery and investigate the patient's satisfaction with anesthesia.

Conditions

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Propofol Remimazolam Hysteroscopic Surgery Respiratory Insufficiency Hemodynamics Instability

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Patients will be enrolled to one of the two drug groups with randomization.
Primary Study Purpose

SUPPORTIVE_CARE

Blinding Strategy

DOUBLE

Participants Investigators
Care giver will notice which drug will be given to the patients because of the color (White vs clear) and infusion doses of the drugs.

Study Groups

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Propofol group

Propofol infusion with remifentanil for hysteroscopic surgery

Group Type ACTIVE_COMPARATOR

Propofol

Intervention Type DRUG

Propofol infusion with remifentanil

Remimazolam group

Remimazolam infusion with remifentanil for hysteroscopic surgery

Group Type ACTIVE_COMPARATOR

Remimazolam

Intervention Type DRUG

Remimazolam infusion with remifentanil

Interventions

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Propofol

Propofol infusion with remifentanil

Intervention Type DRUG

Remimazolam

Remimazolam infusion with remifentanil

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

* ASA PS 1-2
* Elective hysteroscopic surgery under monitored anesthesia care
* No drug abuse history

Exclusion Criteria

* BMI \> 30 kg/m2
* Hepatic or renal insufficiency
* Alcohol abuse
* Respiratory, hemodynamic compromise, or diseases
* History of general/regional anesthesia during the last month
* A patient who is taking sedatives or analgesics
* Under the investigator's judgment
Minimum Eligible Age

19 Years

Maximum Eligible Age

60 Years

Eligible Sex

FEMALE

Accepts Healthy Volunteers

No

Sponsors

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DongGuk University

OTHER

Sponsor Role lead

Responsible Party

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Junyong In, MD, PhD

Professor

Responsibility Role PRINCIPAL_INVESTIGATOR

Locations

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Dept. of anesthesiology and pain medicine, Dongguk University Ilsan Hospital

Goyang, Gyeonggido, South Korea

Site Status

Countries

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South Korea

References

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Zhang X, Li S, Liu J. Correction to: Efficacy and safety of remimazolam besylate versus propofol during hysteroscopy: single-centre randomized controlled trial. BMC Anesthesiol. 2021 Jun 18;21(1):173. doi: 10.1186/s12871-021-01390-x. No abstract available.

Reference Type BACKGROUND
PMID: 34144683 (View on PubMed)

Antonik LJ, Goldwater DR, Kilpatrick GJ, Tilbrook GS, Borkett KM. A placebo- and midazolam-controlled phase I single ascending-dose study evaluating the safety, pharmacokinetics, and pharmacodynamics of remimazolam (CNS 7056): Part I. Safety, efficacy, and basic pharmacokinetics. Anesth Analg. 2012 Aug;115(2):274-83. doi: 10.1213/ANE.0b013e31823f0c28. Epub 2011 Dec 20.

Reference Type BACKGROUND
PMID: 22190555 (View on PubMed)

Wiltshire HR, Kilpatrick GJ, Tilbrook GS, Borkett KM. A placebo- and midazolam-controlled phase I single ascending-dose study evaluating the safety, pharmacokinetics, and pharmacodynamics of remimazolam (CNS 7056): Part II. Population pharmacokinetic and pharmacodynamic modeling and simulation. Anesth Analg. 2012 Aug;115(2):284-96. doi: 10.1213/ANE.0b013e318241f68a. Epub 2012 Jan 16.

Reference Type BACKGROUND
PMID: 22253270 (View on PubMed)

Sneyd JR, Rigby-Jones AE. Remimazolam for anaesthesia or sedation. Curr Opin Anaesthesiol. 2020 Aug;33(4):506-511. doi: 10.1097/ACO.0000000000000877.

Reference Type BACKGROUND
PMID: 32530890 (View on PubMed)

Doi M, Morita K, Takeda J, Sakamoto A, Yamakage M, Suzuki T. Efficacy and safety of remimazolam versus propofol for general anesthesia: a multicenter, single-blind, randomized, parallel-group, phase IIb/III trial. J Anesth. 2020 Aug;34(4):543-553. doi: 10.1007/s00540-020-02788-6. Epub 2020 May 16.

Reference Type BACKGROUND
PMID: 32417976 (View on PubMed)

Other Identifiers

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J In 2021-1

Identifier Type: -

Identifier Source: org_study_id

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