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Coronary Artery DiseasePhase 1NCT00837369

Regadenoson R-T Perfusion Imaging Trial

A Phase 1 study testing Regadenoson in people with Coronary Artery Disease and Myocardial Perfusion Abnormalities, run by University of Nebraska at 2 sites in United States.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

To exam the feasibility and accuracy of Regadenoson real time perfusion (RTPE) Imaging during vasodilator stress with Regadenoson for detection of significant coronary artery disease (CAD) in patients scheduled to undergo coronary angiography. Read more about this study

Who is it for?
Ages 30 years and older
What is being tested?
Regadenoson
Type of treatment
Injection or infusion
Could I receive a placebo?
No, everyone receives an active treatment
How many people
100 participants
Where
2 sitesUnited States
Study dates
7 Apr 2009to 1 Dec 2011
Phase
Phase 1
Are there results?
Yes, posted in the registrySummary in the doctors' view

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 30 years and older
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Male or female. Age ≥30 years.
  • Resting Left Ventricular Ejection Fraction > 40% using Simpson's biplane measurement.
  • Scheduled for coronary angiography within 30 days of the Regadenoson stress test.
  • Negative urine pregnancy test within 2 hours of ultrasound contrast administration required of females of childbearing age unless post-menopausal or with evidence of surgical sterilization.
  • Be conscious and coherent, and able to communicate effectively with trial personnel.
  • Agreeable to undergo the additional stress test and coronary angiography
  • Have at least an intermediate likelihood of coronary disease based on the following clinical profile
  • Good apical echo images with at least 50% of each coronary artery territory well visualized.

Who cannot join

  • Known or suspected hypersensitivity to ultrasound contrast agent used for the study.
  • Pregnancy or lactation.
  • Complicated hemodynamic instability (i.e., New York Heart Association (NYHA) Class IV heart failure, unstable angina at rest despite medical therapy).
  • Life expectancy of less than two months or terminally ill.
  • Congestive (idiopathic) or hypertrophic cardiomyopathy.
  • Known left main disease.
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  • Heart transplant recipient, hypertrophic cardiomyopathy, acute myo- or pericarditis.
  • Resting Left Ventricular Ejection Fraction < 40%
  • Large inducible perfusion defects or wall motion abnormalities during prior stress imaging study associated with left ventricular cavity dilatation.
  • Early positive treadmill EKG within the first stage of the test.
  • History of >1st degree heart block, sick sinus syndrome or high grade atrioventricular (AV) block without a pacemaker.
  • Dipyridamole use within 30 hours of stress test, or consumption of methylxanthines within 12 hours, or use of sublingual nitroglycerin within two hours.
  • Participation In another investigational study within one month of this study.

Trial locations and contacts

2 sites in 1 country.

United States2 sites
  • University of Nebraska Medicial Center

    Omaha, Nebraska, 68105

  • Mayo Clinic

    Rochester, Minnesota, 55905

Other trials in United States

About this study

Official title: Regadenoson Real Time Perfusion Imaging Trial

To exam the feasibility and accuracy of Regadenoson real time perfusion (RTPE) Imaging during vasodilator stress with Regadenoson for detection of significant coronary artery disease (CAD) in patients scheduled to undergo coronary angiography.

Read the detailed description

To exam the feasibility and accuracy of RTPE during vasodilator stress with 400micrograms of the adenosine receptor (A2A) agonist Regadenoson for detection of significant coronary artery disease (CAD) in patients scheduled to undergo coronary angiography. Sensitivity, specificity , and accuracy of perfusion and wall motion analysis to identify a coronary stenosis> 50% in diameter by quantitive angiography will be analyzed

Being tested
Regadenoson
Keywords
Stress echocardiography, SPECT, Myocardial perfusion imaging
Medical subject headings
Coronary Artery Disease

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • RegadenosonDrug

    Also called Definity (Lantheus Medical Imaging), Lipid encapsulated microbubbles

    400ug IV bolus injection, single dosage

Study groups in NCT00837369
Study groupRoleWhat they receive
1 Real time perfusion (RTPE) imaging following RegadenosonExperimentalRTPE studies (resting and following Regadenoson 400 ug IV bolus injection) will be performed during a continuous infusion of lipid encapsulated microbubbles (Definity, Lantheus Medical Imaging) to qualitatively and quantitatively examine wall motion and myocardial contrast enhancement.
Receives: Drug: Regadenoson

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Detection of Coronary Artery Disease With Real-time Perfusion Echocardiography During Regadenoson Stress

    Regadenoson real-time myocardial contrast echocardiography can be used to detect coronary artery stenosis during Regadenoson stress.

    Measured: 1 hour observation post perfusion

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted5 Feb 2009 (estimated)
  2. Study start7 Apr 2009
  3. Primary completion1 Mar 2011
  4. Study completion1 Dec 2011

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 1
Primary purpose
Diagnosis
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrolment
100 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT00837369
Sponsor's protocol ID
0566-08-FB
Status last verified
Dec 2024
First submitted
3 Feb 2009
Last updated
27 Dec 2024
Data monitoring committee
Yes
FDA-regulated drug
Yes
FDA-regulated device
No

Questions about this trial

What is this clinical trial studying?

A Phase 1 study testing Regadenoson in people with Coronary Artery Disease and Myocardial Perfusion Abnormalities, run by University of Nebraska at 2 sites in United States.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 8 inclusion and 13 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 27 Dec 2024. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 2 sites in United States. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 1 studies test a treatment in a small group of people for the first time or in a new way, mainly to check safety and find the right dose.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

Yes. Results are posted in the registry (first posted 24 Dec 2024). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Detection of Coronary Artery Disease With Real-time Perfusion Echocardiography During Regadenoson Stress (time frame: 1 hour observation post perfusion). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 27 Dec 2024.

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