CI

At a glance

ClinicalIndex Comparison Record
N/AActive· 1,000 target
Drug / intervention
Optical Coherence Tomography (OCT) and Computed Tomography Angiography (CTA)other
Likely dose
Not stated in record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT04523194
NCT04523194N/AActiveUpdate OverdueUpdated 6mo ago · Completion was 6mo ago
Enrollment Stalled

Massachusetts General Hospital and Tsuchiura Kyodo General Hospital Coronary Imaging Collaboration

Massachusetts General Hospital·observational·Posted Aug 21, 2020·Updated Dec 29, 2025

In Brief

An observational study evaluating Optical Coherence Tomography (OCT) and Computed Tomography Angiography (CTA) for Atherosclerosis. Active but no longer recruiting, targeting 1,000 participants across 2 sites in 2 countries.

Signals

Enrollment appears stalled

Detailed Summary

The purpose of this collaboration is to establish a multi-modality image database including coronary angiograms, optical coherence tomography (OCT), computed tomography angiograms (CTA) and cardiac magnetic resonance imaging (CMR) for future studies. The main goal of this collaboration is to create a resource to promote further understanding of the pathobiology of atherosclerosis through image analysis.

Study Details

Study Typeobservational
Allocation--
Masking--
Primary Purpose--
ConditionsAtherosclerosis
CountriesJapan, United States

Timeline

N/AActive
20212022202320242025202620272028
First PostedAug 21, 2020
Enrollment StartNov 9, 2020
Primary CompletionDec 19, 2025
Study CompletionDec 1, 2027
TodayJul 2, 2026
Enrollment to primary: 5.1 yearsPosted 5.9 years ago

Interventions

Optical Coherence Tomography (OCT) and Computed Tomography Angiography (CTA)other

Subjects underwent CTA, then OCT during cardiac catheterization as part of their standard clinical care.