NCT07620457

Brief Summary

This is a single-center, comparative, observational, retrospective data study. Datasets from patients who underwent spectral coronary CT angiography (CCTA) for suspected coronary artery disease (CAD) or other diagnosis needs as part of their routine clinical evaluation will be included.

Trial Health

63
Monitor

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
200

participants targeted

Target at P75+ for all trials

Timeline
7mo left

Started Jun 2026

Shorter than P25 for all trials

Geographic Reach
1 country

1 active site

Status
not yet recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Progress7%
Jun 2026Dec 2026

First Submitted

Initial submission to the registry

May 11, 2026

Completed
21 days until next milestone

Study Start

First participant enrolled

June 1, 2026

Completed
1 day until next milestone

First Posted

Study publicly available on registry

June 2, 2026

Completed
7 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 30, 2026

Expected
1 day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 31, 2026

Last Updated

June 2, 2026

Status Verified

May 1, 2026

Enrollment Period

7 months

First QC Date

May 11, 2026

Last Update Submit

May 27, 2026

Conditions

Outcome Measures

Primary Outcomes (1)

  • Subjective Image quality using 5 Liket-scale (1-5)

    The subjective image quality will be assessed by 2 radiologists using Liket-scale on a range from 1(poor) to 5(Excellent).

    From date of image reconstruction until the date of image reading completion, anticipated 3Months.

Secondary Outcomes (1)

  • Objective image quality

    From the date of image reconstruction completion to the date of image reading completion, anticipated up to 3 months

Study Arms (2)

Group B

Scanning parameters 100kVp, DRI=24

Device: Non-Interventional Study

Group A

Scanning parameters: 120kVp, DRI=30

Device: Non-Interventional Study

Interventions

This is an observational study

Group B

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)
Sampling MethodNon-Probability Sample
Study Population

Patients completed CCTA scan aged 18.

You may qualify if:

  • Datasets from Patients who underwent spectral coronary CT angiography (CCTA).
  • Datasets from study participants with age ≥ 18 years old.
  • Scan parameters that meet the criteria defined in the 5.4.3.

You may not qualify if:

  • The clinical data information is considered incomplete after evaluation by the investigator.
  • The investigator determined that poor image quality (e.g. obvious artifacts, missing critical scan layers) would not satisfy post-processing analysis.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Zhengzhou Universtidy 1st Affiliated Hospital

Zhengzhou, Henan, China

Location

Central Study Contacts

Study Design

Study Type
observational
Observational Model
CASE CONTROL
Time Perspective
RETROSPECTIVE
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

May 11, 2026

First Posted

June 2, 2026

Study Start

June 1, 2026

Primary Completion (Estimated)

December 30, 2026

Study Completion (Estimated)

December 31, 2026

Last Updated

June 2, 2026

Record last verified: 2026-05

Locations