Diagnostic performance of dual-energy coronary CT angiography for coronary artery stenosis using invasive coronary angiography as reference

Diagnostic performance of dual-energy coronary CT angiography for coronary artery stenosis using invasive coronary angiography as reference - Diagnostic performance of dual-energy coronary CT angiography for coronary artery stenosis using invasive coronary angiography as reference

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000013953

Enrollment

Registered

2014-07-01

Start date

2014-07-01

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Coronary artery disease

Interventions

Conventional single-energy coronary CT angiography Dual-energy coronary CT angiography

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. Age equal to or more than 20 years 2. Scheduled to undergo a clinically indicated invasive coronary angiography (ICA) 3. underwent or agree to undergo coronary CT angiography with equal to or more than 64 multidetector row CT within 90 days before or after ICA 4. Heart rate at coronary CT andiography equal to or lower than 65 beats per minute

Exclusion criteria

Exclusion criteria: 1. Prior coronary artery bypass graft (CABG) surgery 2. Contraindication to beta blocker agents, nitrates, or adenosine 3. Recent prior myocardial infarction 4. Prior pacemaker or internal defibrillator lead implantation 5. Tachycardia or significant arrhythmia 6. Impaired chronic renal function (serum creatinine >1.5 mg/dl) 7. Subjects with known anaphylactic allergy to iodinated contrast material 8. Pregnancy or unknown pregnancy status in subject of childbearing potential 9. Subject requires an emergent procedure

Design outcomes

Primary

Measure	Time frame
Coronary artery stenosis	—

Countries

Japan

Contacts

Public ContactYoshitake Yamada

Keio University School of Medicine Department of Diagnostic Radiology

yamada@rad.med.keio.ac.jp03-3353-1211(+81-3-3353-1211)

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026