UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000042587
Receipt number R000048218
Scientific Title A comparative study of remimazolam and propofol in the incidence of hypotension during induction of general anesthesia for the elderly: a randomized controlled trial
Date of disclosure of the study information 2021/06/30
Last modified on 2024/06/01 23:12:13

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Basic information

Public title

Frequency of hypotension during induction of general anesthesia with remimazolam in the elderly

Acronym

Frequency of hypotension during induction of general anesthesia with remimazolam

Scientific Title

A comparative study of remimazolam and propofol in the incidence of hypotension during induction of general anesthesia for the elderly: a randomized controlled trial

Scientific Title:Acronym

A comparative study of remimazolam and propofol in the incidence of hypotension during induction of general anesthesia: a randomized controlled trial

Region

Japan


Condition

Condition

Elective surgery by general anesthesia

Classification by specialty

Anesthesiology

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

Comparing the incidence of hypotension after induction of general anesthesia between remimazolam and propofol

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2

Pragmatic

Developmental phase

Phase IV


Assessment

Primary outcomes

Incidence of hypotension between induction and 3 minutes after intubation
Hypotension was defined as mean arterial pressure bellow 65mmHg.

Key secondary outcomes

Maximum arterial pressure after intubation
Lowest heart rate
Number of using vasopressor
Time between induction and loss of consciousness
Dose of sedative drug for anesthesia induction
Incidence of injection pain
Characteristics



Base

Study type

Interventional


Study design

Basic design

Parallel

Randomization

Randomized

Randomization unit

Individual

Blinding

Double blind -all involved are blinded

Control

Active

Stratification

YES

Dynamic allocation

NO

Institution consideration

Institution is not considered as adjustment factor.

Blocking

YES

Concealment

Numbered container method


Intervention

No. of arms

2

Purpose of intervention

Treatment

Type of intervention

Medicine

Interventions/Control_1

Induction of general anesthesia with remimazolam (12mg/kg/hr)

Interventions/Control_2

Induction of general anesthesia with propofol (0.25mg/kg/10sec)

Interventions/Control_3


Interventions/Control_4


Interventions/Control_5


Interventions/Control_6


Interventions/Control_7


Interventions/Control_8


Interventions/Control_9


Interventions/Control_10



Eligibility

Age-lower limit

80 years-old <=

Age-upper limit


Not applicable

Gender

Male and Female

Key inclusion criteria

Patients underwent an elective operation performed by general anesthesia with rapid induction using oral intubation with single lumen tube
Non-cardiovascular surgery
ASA-PS 1 to 3
Patients who are able to communicate and obtain consent from themselves

Key exclusion criteria

Patients with:
Aortic aneurysms
Cerebral aneurysms
Difficulty of mask ventilation or intubation
Drug allergy of propofol or benzodiazepines
Hemodialysis
Severe liver failure (i.e. Child-Pugh C)
Unstable or untreated ischemic heart disease
Severe arterial or mitral valve regurgitation or stenosis
Arterial fibrillation
Supra ventricular or ventricular premature contraction
Congestive heart failure (NYHA3 or 4)
Body mass index >= 30
Using antipsychotic drugs
Mean blood pressure less than 70 mmHg immediately before the start of anesthesia
Cases in which multiple tracheal intubations were required
Cases the physician was considered inappropriate

Target sample size

90


Research contact person

Name of lead principal investigator

1st name Masashi
Middle name
Last name Yokose

Organization

Yokohama City University Hospital

Division name

Department of anesthesiology and Critical Care Medicine

Zip code

2360004

Address

3-9, Fukuura, Kanazawa-ku, Yokohama, Japan

TEL

+81457872800

Email

yokose_p12@yahoo.co.jp


Public contact

Name of contact person

1st name Ryuki
Middle name
Last name Takaki

Organization

Yokohama City University Hospital

Division name

Department of anesthesiology and Critical Care Medicine

Zip code

2360004

Address

3-9, Fukuura, Kanazawa-ku, Yokohama, Japan

TEL

+81457872800

Homepage URL


Email

ryuki.takaki218@gmail.com


Sponsor or person

Institute

Yokohama City University

Institute

Department

Personal name



Funding Source

Organization

None

Organization

Division

Category of Funding Organization

Self funding

Nationality of Funding Organization



Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

The institutional ethics committee of Yokohama city university hospital

Address

3-9, Fukuura, Kanazawa-ku, Yokohama, Japan

Tel

+81457872800

Email

rinri@yokohama-cu.ac.jp


Secondary IDs

Secondary IDs

NO

Study ID_1


Org. issuing International ID_1


Study ID_2


Org. issuing International ID_2


IND to MHLW



Institutions

Institutions



Other administrative information

Date of disclosure of the study information

2021 Year 06 Month 30 Day


Related information

URL releasing protocol

https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0275451

Publication of results

Published


Result

URL related to results and publications

https://www.bjanaesthesia.org/article/S0007-0912(24)00212-5/abstract

Number of participants that the trial has enrolled

90

Results

The incidence of hypotension during anesthesia induction was 72.1% (31 patients) in the remimazolam group (43 patients) and 72.7% (32 patients) in the propofol group (44 patients), with no statistically significant difference (odds ratio, 0.96 [95% confidence interval, 0.37-2.46], p = 0.93). None of the subgroup analyses showed statistically significant differences. The number of times patients used vasopressors was not statistically significant (p=0.31).

Results date posted

2024 Year 06 Month 01 Day

Results Delayed


Results Delay Reason


Date of the first journal publication of results


Baseline Characteristics

Age, remi 82 [81-84] prop 82 [81-86]
Sex, female remi 19 (44.2) prop 24 (54.5)
Height, cm remi 156.7 (7.4) prop 155.3 (10.3)
Weight, kg remi 57.6 (8.3) prop 55.5 (9.0)
Charlson Comorbidity Index score remi 2 [1-2] prop 2 [0-2]
Clinical frailty scale remi 3 [3-3] prop 3 [3-4]
ASA physical status 1-2/3 remi 41/2 prop 42/2

Participant flow

Assessed for eligibility, n=453 Eligible to participate, n=90 Randomized (n=89) Allocated to remimazolam group (n=44) Allocated to propofol group (n=45)
Analyzed Remimazolam group (n=43) Propofol group (n=44)

Adverse events

No serious adverse events

Outcome measures

The incidence of hypotension during anesthesia induction was 72.1% (31 patients) in the remimazolam group (43 patients) and 72.7% (32 patients) in the propofol group (44 patients), with no statistically significant difference (odds ratio, 0.96 [95% confidence interval, 0.37-2.46], p=0.93).

Plan to share IPD


IPD sharing Plan description



Progress

Recruitment status

Main results already published

Date of protocol fixation

2021 Year 04 Month 30 Day

Date of IRB

2021 Year 02 Month 15 Day

Anticipated trial start date

2021 Year 06 Month 30 Day

Last follow-up date

2022 Year 06 Month 10 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information



Management information

Registered date

2020 Year 11 Month 28 Day

Last modified on

2024 Year 06 Month 01 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000048218


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name