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NCT07769814 · ClinicalTrials.gov record · last posted 2026-08-18

Photon-counting CT for Intracranial Stent Assessment

Name: Photon-counting CT for Intracranial Stent Assessment — clinical trial record (NCT07769814)
Creator: DataLookout
License: https://creativecommons.org/licenses/by/4.0/

StatusRecruiting

PhaseNot specified

SponsorXin Lou

Started2026-01-07

View on ClinicalTrials.gov ↗

from the ClinicalTrials.gov record

Intracranial atherosclerotic disease is an important cause of ischemic stroke, and intracranial stent implantation is increasingly used for patients with severe stenotic lesions. Evaluation of stent patency and detection of in-stent restenosis are essential during follow-up. Digital subtraction angiography (DSA) remains the reference standard for intracranial stent assessment; however, it is an invasive procedure associated with potential complications and radiation exposure. Conventional CT angiography may be limited by stent-related artifacts, including blooming artifact and beam-hardening effects, which can impair accurate evaluation of the stent lumen.

Trial Details

NCT Number	NCT07769814
Lead Sponsor	Xin Lou
Conditions	Intracranial Atherosclerotic Disease (ICAD), Intracranial Arterial Stenosis, Stent Restenosis, Ischemic Stroke
Enrollment	200 participants
Start Date	2026-01-07
Primary Completion	2029-01-07 (estimated)
Study Completion	2029-01-07 (estimated)
Updated on ClinicalTrials.gov	2026-08-18