- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT05416385
Carotid Intraplaque Neovascularization Combined With Stress Echo (CIRCE)
Combining Intraplaque Neovascularization With Risk Stratification by Carotid Stress ECHO
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Primary Aim: To determine if carotid intraplaque neovascularization score (IPN) combined with stress echo (SE) [IPN+SE] enhances prediction of 3-year major adverse cardiovascular events (MACE) compared to SE alone.
Objectives: 1) The % change in test sensitivity of IPN+SE for predicting 3-year MACE compared with SE alone. 2) The Net Reclassification Improvement (NRI) for MACE will be determined (patients "missed" by the SE, but captured as high risk for MACE by IPN).
Study Type
Enrollment (Estimated)
Contacts and Locations
Study Contact
- Name: Marie-France Hetu, PhD
- Phone Number: 8174 1 613-549-6666
- Email: cinq.research@gmail.com
Study Locations
-
-
Alberta
-
Calgary, Alberta, Canada, T2N 1N4
- Not yet recruiting
- University of Calgary
-
Principal Investigator:
- Omid Kiamanesh, MD
-
Principal Investigator:
- Nowell Fine, MD SM FRCPC
-
Edmonton, Alberta, Canada, T6G 2R3
- Not yet recruiting
- University of Alberta
-
Contact:
- Eila Mirhadi
- Phone Number: (780) 407-7682
- Email: eila.mirhadi@albertahealthservices.ca
-
Principal Investigator:
- Harald Becher, MD, PhD FRCP
-
-
Nova Scotia
-
Halifax, Nova Scotia, Canada, B3H 3A7
- Not yet recruiting
- Dalhousie University
-
Principal Investigator:
- Sharon Mulvagh, MD, FRCPC
-
-
Ontario
-
Kingston, Ontario, Canada, K7L 2V7
- Recruiting
- Queen's University, Cardiovascular Imaging Network at Queen's (CINQ)
-
Contact:
- Amer Johri, MD
- Email: amerschedule@gmail.com
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Sampling Method
Study Population
Description
Inclusion Criteria:
- Men and women >18 years;
- Referred for a clinically indicated SE for assessment of ischemia and risk stratification;
- Able and willing to give informed consent.
Exclusion Criteria:
- Emergency procedure, or active acute coronary syndrome (active chest pain, ischemic electrocardiogram changes, or cardiac enzyme elevation);
- Referral for viability, pulmonary hypertension, or valve assessment;
- Referral outside of the normal working hours;
- History of significant CAD: percutaneous coronary intervention (PCI), coronary artery bypass graft (GABG), or coronary angioplasty;
- History of stroke or myocardial infarction (MI);
- Known or documented hypersensitivity or allergy to perflutren (DEFINITY® contrast agent);
- Known or documented allergy to Polyethylene Glycol (Peg) a component of DEFINITY®;
- History of carotid surgery (endarterectomy or stenting);
- Any serious medical condition or complication from the stress test that according to the investigator could interfere with the carotid scan or optimal care;
- Currently pregnant or breastfeeding;
- Previous enrolment into the study.
Study Plan
How is the study designed?
Design Details
Cohorts and Interventions
Group / Cohort |
Intervention / Treatment |
---|---|
Cardiac outpatients
Subjects referred for outpatient stress echocardiogram (SE).
|
Carotid Contrast-Enhanced Ultrasound (CEUS), a diagnostic ultrasound enhancing agent that opacifies the blood to delineate the vessel walls.
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Our primary outcomes will be the improvement in sensitivity and negative predictive value (NPV).
Time Frame: This is a 5-year study. The outcome follow up for mace will be 3-years from the index date (SE).
|
Our primary analysis will compare the sensitivity of an established binary test based on SE alone to a binary test based on SE and plaque assessment (using established thresholds, IPN≥1.25) to predict 3-year MACE.
|
This is a 5-year study. The outcome follow up for mace will be 3-years from the index date (SE).
|
Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Principal Investigator: Amer Johri, MD, Queen's University
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Estimated)
Study Completion (Estimated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Ischemia
- Pathologic Processes
- Necrosis
- Heart Diseases
- Vascular Diseases
- Cerebrovascular Disorders
- Brain Diseases
- Central Nervous System Diseases
- Nervous System Diseases
- Arteriosclerosis
- Arterial Occlusive Diseases
- Coronary Disease
- Metaplasia
- Infarction
- Myocardial Infarction
- Coronary Artery Disease
- Myocardial Ischemia
- Cardiovascular Diseases
- Neovascularization, Pathologic
- Carotid Artery Diseases
- Atherosclerosis
- Acute Coronary Syndrome
Other Study ID Numbers
- DMED-2469-21-6032717
- CG#21007 (Other Grant/Funding Number: Lantheus Medical Imaging, Inc.)
- 452696 (Other Identifier: Canadian Institutes of Health Research)
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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