NCT05896501

Brief Summary

Currently, fractional flow reserve (FFR) is regarded as a gold-standard invasive method to define lesion-specific ischemia and FFR-guided PCI has been proven to reduce unnecessary revascularization and to enhance patient's clinical outcomes. Therefore, current guidelines recommend FFR measurement for intermediate coronary stenosis when there is no definite evidence of lesion-specific ischemia. However, previous evidences which well demonstrated the benefit of FFR-guided strategy were mostly generated from patients with stable coronary artery disease.4 FFR may be overestimated and the hemodynamic relevance of a coronary stenosis underestimated in patients with acute coronary syndrome (ACS).Its role in ACS patients still needs to be defined although several studies have recently published addressing the value of FFR-guided PCI in ACS. In fact, recent evidence suggests that culprit lesions of patients presenting with a non-ST-segment elevation myocardial infarction that were deferred based on a "negative" FFR have a relatively high event rate, calling into question the use of FFR in that patient population.

Trial Health

75
On Track

Trial Health Score

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

Enrollment
500

participants targeted

Target at P75+ for all trials

Timeline
8mo left

Started Jan 2020

Longer than P75 for all trials

Geographic Reach
1 country

5 active sites

Status
active not 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 Progress91%
Jan 2020Dec 2026

Study Start

First participant enrolled

January 1, 2020

Completed
3.4 years until next milestone

First Submitted

Initial submission to the registry

May 31, 2023

Completed
9 days until next milestone

First Posted

Study publicly available on registry

June 9, 2023

Completed
2.6 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 31, 2025

Completed
1 year until next milestone

Study Completion

Last participant's last visit for all outcomes

December 31, 2026

Expected
Last Updated

October 2, 2024

Status Verified

October 1, 2024

Enrollment Period

6 years

First QC Date

May 31, 2023

Last Update Submit

October 1, 2024

Conditions

Outcome Measures

Primary Outcomes (1)

  • Rate of Major adverse cardiac events

    Rate of the composite of all-cause death, recurrent myocardial infarction

    24 months

Secondary Outcomes (4)

  • Rate of Major adverse cardiac events at 1 year

    12 months

  • Rate of Ischemic events

    24 months

  • Rate of Death

    24 months

  • Rate of Repeat revascularization

    24 months

Interventions

Functional assessement of anatomical stenosis of coronary artery

Eligibility Criteria

Age19 Years - 85 Years
Sexall
Age GroupsAdult (18-64), Older Adult (65+)
Sampling MethodNon-Probability Sample
Study Population

Patients with acute coronary syndrome and intermediate stenosis

You may qualify if:

  • Subject age 19-85 years old
  • Diagnosed as ACS (unstable angina/ Non ST elevation myocardial infarction, ST elevation myocardial infarction)
  • At least one stenosis of \>50% in a non-culprit vessel ≥ 2.0 mm by visual estimation with TIMI 3 - multivessel disease after PCI for culprit lesion or single vessel disease with ambiguity for PCI ④ FFR within hospitalization for index PCI for ACS

You may not qualify if:

  • Severe stenosis with TIMI flow ≤ II of the non-IRA artery
  • Cardiogenic shock (Killip class IV) already at presentation or the completion of culprit PCI
  • Intolerance to Aspirin, Clopidogrel, Prasugrel, Ticagrelor, Heparin, Bivaluridin, or Everolimus
  • Known true anaphylaxis to contrast medium (not allergic reaction but anaphylactic shock)
  • ⑤ Pregnancy or breast feeding
  • ⑥ Non-cardiac co-morbid conditions are present with life expectancy \<1 year or that may result in protocol noncompliance (per site investigator's medical judgment).
  • ⑦ Other primary valvular disease with severe degree: severe mitral regurgitation or mitral stenosis, severe aortic regurgitation or aortic stenosis
  • ⑧ Patients with a history of Coronary Artery Bypass Graft(CABG)
  • ⑨ Unwillingness or inability to comply with the procedures described in this protocol.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (5)

St.Vincent's Hospital

Suwon, Gyeonggido, South Korea

Location

Uijeongbu St.Mary's Hospital

Uijeongbu-si, Gyeonggido, South Korea

Location

Daejeon St.Mary's Hospital

Daejeon, South Korea

Location

Incheon St.Mary's Hospital

Incheon, South Korea

Location

The Catholic University of Korea Seoul St. Mary's Hospital

Seoul, South Korea

Location

MeSH Terms

Conditions

Acute Coronary Syndrome

Condition Hierarchy (Ancestors)

Myocardial IschemiaHeart DiseasesCardiovascular DiseasesVascular Diseases

Study Officials

  • Eun Ho Choo, M.D.,PhD

    The Catholic University of Korea

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
observational
Observational Model
COHORT
Time Perspective
PROSPECTIVE
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Assistant Professor

Study Record Dates

First Submitted

May 31, 2023

First Posted

June 9, 2023

Study Start

January 1, 2020

Primary Completion

December 31, 2025

Study Completion (Estimated)

December 31, 2026

Last Updated

October 2, 2024

Record last verified: 2024-10

Locations