Comparing CT Coronary Angiography and Invasive Angiography for Patients With Non-ST Elevation Acute Coronary Syndrome
A Randomized Study of Team-Based Treatment Planning Using Non-Invasive CT Imaging
Led by Rigshospitalet, Denmark · Updated on 2025-02-19
2300
Participants Needed
6
Research Sites
521 weeks
Total Duration
AI-Summary
What this Trial Is About
Researchers are investigating whether coronary computed tomography angiography CCTA can be used instead of invasive coronary angiography ICA for people with non-ST-segment elevation acute coronary syndrome NSTEACS. This study aims to see if CCTA can safely and effectively guide treatment decisions, potentially reducing complications, improving comfort, speeding up care, and lowering costs compared to the traditional invasive approach. The trial is randomized and evaluates outcomes in individuals suspected of having this heart condition.
Participants are assigned to one of two groups one group receives CCTA plus team-based interventional triage, where a specialized team reviews the CCTA results to plan treatment the other group receives the standard conventional ICA. Both procedures occur during hospital admission. The study monitors participants over time to compare these diagnostic and treatment strategies.
During the study, researchers will track major heart-related events over one year, including heart attacks, death from cardiovascular causes, and need for unplanned procedures. They will also evaluate quality of life, angina symptoms, radiation exposure during hospital stay, and length of hospitalization. Participants provide informed consent and receive follow-up assessments to measure these outcomes and ensure safety throughout the trial.
CONDITIONS
Brief Title
Coronary Computed Tomography Versus Invasive Angiography for Non-ST Elevation Acute Coronary Syndrome
Research Team
N
Niels Thue Olsen, PhD
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Admitted with non-ST-segment elevation myocardial infarction or unstable angina pectoris and an indication for subacute invasive coronary angiography
Elevated troponin levels or ischemic electrocardiographic changes
Ability to provide written informed consent
You will not qualify if you...
Instability requiring acute or emergent invasive coronary angiography
History of percutaneous coronary intervention or coronary artery bypass grafting
Estimated glomerular filtration rate less than 30 mL/min/1.73m2
Probable type 2 acute myocardial infarction
Severe valvular heart disease as primary diagnosis or potential need for valve intervention
History of spontaneous coronary artery dissection
Expected poor quality of the coronary computed tomography angiography
Prior coronary computed tomography angiography or invasive coronary angiography during index admission or within 1 week
Known allergy to beta-blockers or contrast agent
Pregnant or nursing
Previously randomized in this trial
Your Study Journey
Screening
Duration - 2 to 4 weeks
Participants are screened for eligibility to participate in the trial.
1 visit (in-person) for eligibility assessment
Treatment
Duration - Approximately 2 days (length of index hospitalization)
Participants undergo either coronary computed tomography angiography (CCTA) with team-based interventional triage or conventional invasive coronary angiography (ICA) to guide treatment decisions during hospital admission.
1 hospital admission visit including imaging and treatment procedures
Follow-up
Duration - Up to 1 year
Participants are monitored for major adverse cardiac events, cardiovascular outcomes, quality of life, and symptom burden for up to 1 year after treatment.
Follow-up assessments at intervals during the 1 year after treatment
How is the study designed?
Study Type
INTERVENTIONAL
Masking
SINGLE
Allocation
RANDOMIZED
Model
PARALLEL
Primary Purpose
TREATMENT
Number of Arms
2
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Published Research Related To This Trial
Coronary computed tomography angiography versus invasive coronary angiography for interventional triage in acute coronary syndrome: Design of the randomized TRACTION trial.
Mathias Holm Sørgaard, Andreas Torp Kristensen, Kristian Eskesen...