Comprehensive Cardiac CT Versus Exercise Testing in Suspected Coronary

Status Completed

Clinical Trial Summary

Multi-center, randomized-controlled trial comparing a comprehensive cardiac CT protocol with standard stress testing in patients with stable chest pain complaints.

Clinical Trial Description

Rationale: CT calcium and coronary lumen imaging allow efficient exclusion of coronary artery disease (CAD), but cannot assess the hemodynamic significance of obstructive findings. Addition of stress myocardial perfusion imaging, which assesses the functional relevance of coronary narrowing, completes the non-invasive cardiac evaluation.

Hypothesis: A comprehensive cardiac CT examination will allow fast, accurate and complete evaluation of suspected CAD.

Objective: evaluate the effectiveness and efficiency of comprehensive cardiac CT workup of suspected CAD.

Study design: Open-labelled, randomized-controlled, clinical efficiency trial, with an intention-to-diagnose approach, between CT-guided management and the current standard of care (based on functional testing of provocable myocardial ischemia) in patients with suspected CAD.

Study population: 250 patients (>18 yrs) with stable chest complaints, a >10% pre-test probability of CAD, and referred for evaluation of possible CAD.

Intervention: Instead of the usual diagnostic approach, patients in the intervention group will undergo in sequence the following CT examinations: coronary calcium scan, coronary CT angiography and CT myocardial perfusion imaging, with completion dependent on results. Findings on CT will direct further management.

Main study parameters/endpoints:

Primary: Rate of negative invasive angiograms (as percentage of total population) Secondary: Diagnostic yield, chest complaints, quality of life, diagnostic and therapeutic procedures, overall costs and adverse events at 6 months. ;

Study Design

Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Diagnostic

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT02291484
Study type	Interventional
Source	Erasmus Medical Center
Contact
Status	Completed
Phase	Phase 3
Start date	August 2013
Completion date	May 2016

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Comprehensive Cardiac CT Versus Exercise Testing in Suspected Coronary Artery Disease (2) — CRESCENT2

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms