Trial Outcomes & Findings for Neuroimaging Study of Dexmedetomidine-Induced Analgesia (NCT NCT04656470)

NCT ID: NCT04656470

Last Updated: 2026-04-23

Results Overview

Transient waves of CSF inflow

Recruitment status

COMPLETED

Study phase

PHASE2/PHASE3

Target enrollment

17 participants

Primary outcome timeframe

During imaging scan

Results posted on

2026-04-23

Participant Flow

Institutional email announcing ongoing studies

Participant milestones

Participant milestones
Measure
Dexmedetomidine
During the study visit, patients will be delivered dexmedetomidine anesthesia. 0.5mcg/kg of dexmedetomidine solution will be infused over 10 minutes, and then up to 0.5mcg/kg/hr will be maintained for an additional 20-30 minutes.
Overall Study
STARTED
17
Overall Study
COMPLETED
5
Overall Study
NOT COMPLETED
12

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Neuroimaging Study of Dexmedetomidine-Induced Analgesia

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Dexmedetomidine
n=5 Participants
During the study visit, patients will be delivered dexmedetomidine anesthesia. 0.5mcg/kg of dexmedetomidine solution will be infused over 10 minutes, and then up to 0.5mcg/kg/hr will be maintained for an additional 20-30 minutes.
Age, Categorical
<=18 years
0 Participants
n=60 Participants
Age, Categorical
Between 18 and 65 years
5 Participants
n=60 Participants
Age, Categorical
>=65 years
0 Participants
n=60 Participants
Sex: Female, Male
Female
3 Participants
n=60 Participants
Sex: Female, Male
Male
2 Participants
n=60 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=60 Participants
Race (NIH/OMB)
Asian
0 Participants
n=60 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=60 Participants
Race (NIH/OMB)
Black or African American
0 Participants
n=60 Participants
Race (NIH/OMB)
White
2 Participants
n=60 Participants
Race (NIH/OMB)
More than one race
2 Participants
n=60 Participants
Race (NIH/OMB)
Unknown or Not Reported
1 Participants
n=60 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
0 Participants
n=60 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
4 Participants
n=60 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
1 Participants
n=60 Participants
Region of Enrollment
United States
5 Participants
n=60 Participants

PRIMARY outcome

Timeframe: During imaging scan

Transient waves of CSF inflow

Outcome measures

Outcome measures
Measure
Dexmedetomidine
n=5 Participants
During the study visit, patients will be delivered dexmedetomidine anesthesia. 0.5mcg/kg of dexmedetomidine solution will be infused over 10 minutes, and then up to 0.5mcg/kg/hr will be maintained for an additional 20-30 minutes.
CSF Flow Measured in Hz
-15 Hz
Standard Deviation 5

Adverse Events

Dexmedetomidine

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Adverse event data not reported

Additional Information

Johnson Akeju

MGH

Phone: 6177263030

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place