Trial Outcomes & Findings for Real Time Myocardial Perfusion Echocardiography for Coronary Allograft Vasculopathy (NCT NCT02880137)

NCT ID: NCT02880137

Last Updated: 2019-06-20

Results Overview

A perfusion defect will first be identified using clinically indicated invasive coronary angiography (ICA). The presence of a perfusion defect will then be identified using non-invasive real time myocardial perfusion echocardiography (RTMPE).

Recruitment status

COMPLETED

Study phase

PHASE4

Target enrollment

36 participants

Primary outcome timeframe

baseline

Results posted on

2019-06-20

Participant Flow

Participant milestones

Participant milestones
Measure
RTMPE
RTMPE with Perflutren Lipid Microsphere (DEFINITY) is a safe and feasible non-invasive technique commonly used to diagnose coronary disease, and offers an attractive alternative for cardiac allograft vasculopathy (CAV) detection. Perflutren Lipid Microsphere: Definity (injectible suspension ultrasound contrast agent) will be diluted with saline for both Pediatric and Adult subjects. For pediatric subjects under 60kg (kilogram), the dose will be 20 MicroL/kg (MicroLiter/kilogram) diluted to the same concentration used in the adult dosing. Hand Injections will be performed at baseline, Pre-peak, and peak perfusion stages. RTMPE: Utilizes intravenous administration of biologically-inert microbubbles to assess myocardial perfusion and has demonstrated utility for identifying small vessel coronary artery disease.
Overall Study
STARTED
36
Overall Study
COMPLETED
36
Overall Study
NOT COMPLETED
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Race and Ethnicity were not collected from any participant.

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
RTMPE
n=36 Participants
RTMPE with Perflutren Lipid Microsphere (DEFINITY) is a safe and feasible non-invasive technique commonly used to diagnose coronary disease, and offers an attractive alternative for CAV detection. Perflutren Lipid Microsphere: Definity (injectible suspension ultrasound contrast agent) will be diluted with saline for both Pediatric and Adult subjects. For pediatric subjects under 60kg (kilogram), the dose will be 20 MicroL/kg (MicroLiter/kilogram) diluted to the same concentration used in the adult dosing. Hand Injections will be performed at baseline, Pre-peak, and peak perfusion stages. RTMPE: Utilizes intravenous administration of biologically-inert microbubbles to assess myocardial perfusion and has demonstrated utility for identifying small vessel coronary artery disease.
Age, Continuous
14 years
STANDARD_DEVIATION 5 • n=36 Participants
Sex: Female, Male
Female
15 Participants
n=36 Participants
Sex: Female, Male
Male
21 Participants
n=36 Participants
Region of Enrollment
United States
27 participants
n=36 Participants
Region of Enrollment
Canada
9 participants
n=36 Participants

PRIMARY outcome

Timeframe: baseline

A perfusion defect will first be identified using clinically indicated invasive coronary angiography (ICA). The presence of a perfusion defect will then be identified using non-invasive real time myocardial perfusion echocardiography (RTMPE).

Outcome measures

Outcome measures
Measure
RTMPE
n=36 Participants
RTMPE with Perflutren Lipid Microsphere (DEFINITY) is a safe and feasible non-invasive technique commonly used to diagnose coronary disease, and offers an attractive alternative for CAV detection. Perflutren Lipid Microsphere: Definity (injectible suspension ultrasound contrast agent) will be diluted with saline for both Pediatric and Adult subjects. For pediatric subjects under 60kg (kilogram), the dose will be 20 MicroL/kg (MicroLiter/kilogram) diluted to the same concentration used in the adult dosing. Hand Injections will be performed at baseline, Pre-peak, and peak perfusion stages. RTMPE: Utilizes intravenous administration of biologically-inert microbubbles to assess myocardial perfusion and has demonstrated utility for identifying small vessel coronary artery disease.
Number of Subjects With a Perfusion Defect
Perfusion defect identified by ICA
5 Participants
Number of Subjects With a Perfusion Defect
Perfusion defect identified by RTMPE
6 Participants

Adverse Events

RTMPE

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

Dr. Jonathan Johnson

Mayo Clinic

Phone: 507-255-7013

Results disclosure agreements

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