No Placebo Group
Every participant receives an active treatment — no one gets a placebo.
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Review the details below, then apply to join this clinical trial.
At a Glance
Age
21 – 85
Sex
Any
Study type
Interventional
Purpose
Other
Participants needed
140 (estimated)
Sponsor
Johns Hopkins University · Other
Who this trial is looking for
This trial is looking for people aged 21 to 85 with signs of coronary heart disease. Participants will help researchers understand if a new scanning technology is better at identifying this condition than standard scans.
Are You a Good Fit for This Trial?
Rules you outSevere symptomatic heart failureAtrial fibrillationModerate or severe aortic stenosis
You may be able to join if
I am between 21 and 85 years old.
I have a clinical history suggesting coronary heart disease.
I have been referred by my primary cardiologist for a CT scan.
I can understand and sign the Informed Consent Form.
I am a woman of childbearing potential and have had a negative pregnancy test within 24 hours of the study.
You may not be able to join if
I have a known allergy to iodinated contrast media.
I have a history of multiple myeloma or organ transplantation.
My serum creatinine level is above 1.5 mg/dl.
My creatinine clearance is below 60 ml/min.
I have atrial fibrillation or uncontrolled rapid heart rate.
I have evidence of severe heart failure.
I have known or suspected moderate to severe aortic stenosis.
I have had a previous coronary intervention or bypass surgery.
Summarized in plain language from this trial's official eligibility criteria.
The full criteria are further down this page — only the research team can
confirm whether you qualify.
Think this trial could be right for you?
Answer three quick questions written from this study's own rules to see if you may qualify. No account needed to find out.
The utility of Ultra High-Resolution Computed Tomography (UHR-CT) compared to conventional CT in all-comers (i.e., a generally lower-risk population) remains uncertain but is an important area of study in order to justify wider spread implementation and use of this technology, particularly in light of reports of significantly higher radiation exposure with UHR-CT, as well as longer scan times. The…
The utility of Ultra High-Resolution Computed Tomography (UHR-CT) compared to conventional CT in all-comers (i.e., a generally lower-risk population) remains uncertain but is an important area of study in order to justify wider spread implementation and use of this technology, particularly in light of reports of significantly higher radiation exposure with UHR-CT, as well as longer scan times. The availability of technology to reconstruct conventional resolution (CR) simulation images from the raw CT acquisition data acquired on the UHR-CT scanner offers a unique platform to study this question without subjecting individuals to two different scans.
The primary objective of this study is to generate preliminary data in support of the hypothesis that noninvasive UHR-CT is superior to conventional resolution CT for identifying patients with obstructive CHD.
Trial Locations
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Eligibility Criteria
Inclusion Criteria:
* Patients aged 21-85 years
* Clinical history suggestive of CHD who are referred by their primary cardiologist for further evaluation via Computed tomography angiography (CTA) will be asked to participate.
* Women of child bearing potential must demonstrate a negative pregnancy…
Inclusion Criteria:
* Patients aged 21-85 years
* Clinical history suggestive of CHD who are referred by their primary cardiologist for further evaluation via Computed tomography angiography (CTA) will be asked to participate.
* Women of child bearing potential must demonstrate a negative pregnancy test within 24 hours of the study CTA.
* Ability to understand and willingness to sign the Informed Consent Form.
Exclusion Criteria:
* Known allergy to iodinated contrast media.
* History of multiple myeloma or previous organ transplantation
* Elevated serum creatinine (\> 1.5mg/dl) OR calculated creatinine clearance of \< 60 ml/min (using the Cockcroft-Gault formula
* Atrial fibrillation or uncontrolled tachyarrhythmia, or advanced atrioventricular block (second or third degree heart block)
* Evidence of severe symptomatic heart failure (NYHA Class III or IV);
* Known or suspected moderate or severe aortic stenosis
* History of prior percutaneous coronary intervention (PCI) in one or more vessel or history of coronary arterial bypass grafting (CABG)
* Suspected acute coronary syndrome
* Presence of any other history or condition that the investigator feels would be problematic
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