NCT05447507

Brief Summary

The purpose of this study is to compare the sedation efficacy of dexmedetomidine and remimazolam for intraoperative sedation during regional block.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
104

participants targeted

Target at P50-P75 for phase_4

Timeline
Completed

Started Jul 2022

Shorter than P25 for phase_4

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

June 21, 2022

Completed
16 days until next milestone

First Posted

Study publicly available on registry

July 7, 2022

Completed
1 day until next milestone

Study Start

First participant enrolled

July 8, 2022

Completed
4 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

October 26, 2022

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

October 26, 2022

Completed
Last Updated

November 29, 2022

Status Verified

November 1, 2022

Enrollment Period

4 months

First QC Date

June 21, 2022

Last Update Submit

November 22, 2022

Conditions

Outcome Measures

Primary Outcomes (1)

  • Number of rescue sedative doses administered

    Intraoperative period

Secondary Outcomes (16)

  • Incidence of intraoperative bradycardia (heart rate lower than 45 bpm)

    Intraoperative period

  • Incidence of intraoperative hypotension (mean blood pressure lower than 65 mmHg or systolic blood pressure lower than 80% of baseline)

    Intraoperative period

  • Incidence of intraoperative hypertension (systolic blood pressure higher than 120% of baseline)

    Intraoperative period

  • Incidence of respiratory depression (respiratory rate lower than 8 per minute)

    Intraoperative period

  • Incidence of hypoxia (oxygen saturation detected by pulse oxymetry less than 93%)

    Intraoperative period

  • +11 more secondary outcomes

Study Arms (2)

Remimazolam

ACTIVE COMPARATOR
Drug: Remimazolam

Dexmedetomidine

ACTIVE COMPARATOR
Drug: Dexmedetomidine

Interventions

0.075 mg/kg Remimazolam bolus infusion for 1 min, then 0.5\~1.0 mg/kg/h continuous infusion

Remimazolam

1 mcg/kg Dexmedetomidine infusion for 10 min, then 0.2\~0.7 mcg/kg/h continuous infusion

Dexmedetomidine

Eligibility Criteria

Age19 Years - 70 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Patient scheduled for lower extremity surgery under regional anesthesia, aged 19-70, of ASA class I or II.

You may not qualify if:

  • Patient refusal
  • Contraindications to regional or neuraxial anesthesia (patient refusal, increased intracranial pressure, infection at puncture site, underlying neurologic disease, severe hypovolemia, aortic or mitral stenosis, thrombocytopenia or coagulopathy)
  • Contraindications to dexmedetomidine or remimazolam administration
  • Allergy to dexmedetomidine or remimazolam
  • Baseline MOAA/S score of 4 or less
  • Pregnancy
  • Other conditions considered unsuitable by the investigators

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Seoul National University Hospital

Seoul, Jongno-gu, 03080, South Korea

Location

Related Publications (1)

  • Kim H, Kim Y, Bae J, Yoo S, Lim YJ, Kim JT. Comparison of remimazolam and dexmedetomidine for intraoperative sedation in patients undergoing lower extremity surgery under spinal anesthesia: a randomized clinical trial. Reg Anesth Pain Med. 2024 Feb 5;49(2):110-116. doi: 10.1136/rapm-2023-104415.

MeSH Terms

Conditions

Musculoskeletal Diseases

Interventions

remimazolamDexmedetomidine

Intervention Hierarchy (Ancestors)

ImidazolesAzolesHeterocyclic Compounds, 1-RingHeterocyclic Compounds

Study Design

Study Type
interventional
Phase
phase 4
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Professor

Study Record Dates

First Submitted

June 21, 2022

First Posted

July 7, 2022

Study Start

July 8, 2022

Primary Completion

October 26, 2022

Study Completion

October 26, 2022

Last Updated

November 29, 2022

Record last verified: 2022-11

Locations