NCT03343873

Brief Summary

This research is a prospective cohort study. The aim of the study is to determine different levels of sedative mechanism and the effect on brain functional connectivity of midazolam, dexmedetomidine and propofol.

Trial Health

57
Monitor

Trial Health Score

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

Trial has exceeded expected completion date
Enrollment
240

participants targeted

Target at P75+ for not_applicable

Timeline
Completed

Started Apr 2017

Longer than P75 for not_applicable

Geographic Reach
1 country

1 active site

Status
recruiting

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

Trial Relationships

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Study Timeline

Key milestones and dates

Study Start

First participant enrolled

April 1, 2017

Completed
6 months until next milestone

First Submitted

Initial submission to the registry

September 17, 2017

Completed
2 months until next milestone

First Posted

Study publicly available on registry

November 17, 2017

Completed
8.1 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 31, 2025

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 31, 2025

Completed
Last Updated

August 1, 2024

Status Verified

July 1, 2024

Enrollment Period

8.8 years

First QC Date

September 17, 2017

Last Update Submit

July 30, 2024

Conditions

Keywords

anesthetics; fMRI; functional connectivity

Outcome Measures

Primary Outcomes (1)

  • Amplitude of Low Frequency Fluctuations(ALLF)and Regional Homogeneity(ReHo)

    The differences of amplitude of low frequency fluctuations (ALFF/Low Frequency Amplitude) and regional homogeneity(ReHo) in brain voxel - wise under anesthetic sedations.

    30mins after administration

Study Arms (3)

Midarolam

EXPERIMENTAL

midarolam sensation group

Drug: Midazolam

Propofol

EXPERIMENTAL

propofol sensation group

Drug: Propofol

dexmedetomidine

EXPERIMENTAL

dexmedetomidine sensation group

Drug: Dexmedetomidine

Interventions

Midazolam was administered intravenously at a dose of 0.1 mg / kg followed by continuous intravenous injection at 0.03 mg / kg / h and maintained until the course of the scan.

Midarolam

Propofol group 1mg / kg intravenous injection, followed by 2mg / kg / h continuous intravenous injection, and maintained to the scanning process;

Propofol

Dexmedetomidine group with total amount of 1μg / kg, infusion time 15min, followed by 0.6μg / kg / h, and maintained to the scanning process;

dexmedetomidine

Eligibility Criteria

Age18 Years - 65 Years
Sexmale
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • \. Male, 18 \~ 65 years old
  • \. Healthy Volunteer / Brain Tumor Patients
  • \. Senior high school and above
  • \. Sign informed consent

You may not qualify if:

  • \. In vivo implant MRI check taboo
  • \. Cardiopulmonary liver and kidney and other systemic complications
  • \. History of major surgical anesthesia
  • \. Abuse of drugs, alcoholism history
  • \. Test drug allergy history
  • \. Claustrophobia
  • \. Left hand

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Beijing Tian Tan Hospital

Beijing, 100070, China

RECRUITING

MeSH Terms

Interventions

MidazolamPropofolDexmedetomidine

Intervention Hierarchy (Ancestors)

BenzodiazepinesBenzazepinesHeterocyclic Compounds, 2-RingHeterocyclic Compounds, Fused-RingHeterocyclic CompoundsPhenolsBenzene DerivativesHydrocarbons, AromaticHydrocarbons, CyclicHydrocarbonsOrganic ChemicalsImidazolesAzolesHeterocyclic Compounds, 1-Ring

Study Officials

  • Ruquan Han, M.D., Ph.D

    Department of Anesthesiology, Beijing Tiantan Hospital

    STUDY CHAIR

Central Study Contacts

Ruquan Han, M.D., Ph.D

CONTACT

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
TRIPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR
Purpose
BASIC SCIENCE
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
professor

Study Record Dates

First Submitted

September 17, 2017

First Posted

November 17, 2017

Study Start

April 1, 2017

Primary Completion

December 31, 2025

Study Completion

December 31, 2025

Last Updated

August 1, 2024

Record last verified: 2024-07

Locations