Dual-Energy CTA with High-Concentration Contrast Material

Utility of High-Concentration Contrast Material for Dual-Energy CT Angiography

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-jRCTs041230098

Enrollment

120

Registered

2023-10-27

Start date

2023-11-16

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

Aortic diseases Aortic diseases

Interventions

Arm A: Iopromide 300 mgI/mL intravenously given and perform dual-energy CTA Arm B: Iopromide 370 mgI/mL intravenously given and perform dual-energy CTA

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. Over 18 years old (any men and women) 2. Planned for aortic CTA (screening or follow-up for aortic aneurysm, aortic dissection, etc.) 3. Written informed consent

Exclusion criteria

Exclusion criteria: 1. Over 90 kg 2. Past history of hypersensitivity reaction to contrast material 3. pregnant woman 4. eGFR < 30 mL/min/1.73m2

Design outcomes

Primary

Measure	Time frame
Arterial visualization score for iliolumber artery on 3D VR images	—

Secondary

Measure	Time frame
Arterial visualization scores except for iliolumber artery (brachiocephalic, common carotid, subclavian, bronchial, internal thoracic, intercostal, common hepatic, proper hepatic, splenic, left gastric, gastroduodenal, inferior phrenic, superior mesenteric, inferior mesenteric, renal, lumbar, external iliac, internal iliac, superior gluteal, inferior gluteal, obturator, and inferior epigastric arteries) on 3d VR images and for all arteried described above on axial and coronal images, CT attenuations of arteries, image noise, signal-to-noise ratio, and image quality.	—

Measure

Time frame

Arterial visualization scores except for iliolumber artery (brachiocephalic, common carotid, subclavian, bronchial, internal thoracic, intercostal, common hepatic, proper hepatic, splenic, left gastric, gastroduodenal, inferior phrenic, superior mesenteric, inferior mesenteric, renal, lumbar, external iliac, internal iliac, superior gluteal, inferior gluteal, obturator, and inferior epigastric arteries) on 3d VR images and for all arteried described above on axial and coronal images, CT attenuations of arteries, image noise, signal-to-noise ratio, and image quality.

—

Contacts

Public ContactYoshifumi Noda

Gifu University Hospital

noda.yoshifumi.g9@f.gifu-u.ac.jp+81-58-230-6437

Outcome results

None listed

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