Actively Recruiting
Study of the Natural History of FFR Guided Percutaneous Coronary Intervention
Led by Seung-Jung Park · Updated on 2026-03-20
20000
Participants Needed
29
Research Sites
1348 weeks
Total Duration
On this page
Sponsors
S
Seung-Jung Park
Lead Sponsor
C
CardioVascular Research Foundation, Korea
Collaborating Sponsor
AI-Summary
What this Trial Is About
About 20,000 patients with FFR (Fractional Flow Reserve) will be enrolled and evaluated for the natural history of coronary lesions at 2 years clinical and imaging follow-up.
CONDITIONS
Official Title
Study of the Natural History of FFR Guided Percutaneous Coronary Intervention
Who Can Participate
Eligibility Criteria
You may qualify if you...
- Age 35 years and older
- FFR measurement on one and more coronary artery stenosis
- Willing and able to provide informed, written consent
You will not qualify if you...
- Stenosis with TIMI flow less than 3
- Graft vessel
- Ejection fraction less than 30%
- Angiographic evidence of extreme tortuosity or calcified coronary vessels
- Suspected coronary spasm even after sufficient nitrate injected
- Life expectancy less than 2 years
- Planned cardiac surgery or planned major non cardiac surgery
- Women who are breastfeeding, pregnant, or planning to become pregnant during the course of the study
- Visually-estimated angiographic reference segment diameter less than 2.75mm or greater than 4.0mm
- Inappropriate for IVUS/VH/OCT procedures due to inability for imaging wire or catheter to pass through the tight stenosis, severe calcification, or angulation
AI-Screening
AI-Powered Screening
Complete this quick 3-step screening to check your eligibility
Trial Site Locations
Total: 29 locations
1
Hallym University Sacred Heart Hospital
Anyang, South Korea
Actively Recruiting
2
Soon Chun Hyang University Hospital Bucheon
Bucheon-si, South Korea
Actively Recruiting
3
Chungbuk National University Hospital
Cheongju-si, South Korea
Actively Recruiting
4
Gangwon National Univ. Hospital
Chuncheon, South Korea
Actively Recruiting
5
Daegu Catholic University Center
Daegu, South Korea
Actively Recruiting
6
Keimyung University Dongsan Medical Center
Daegu, South Korea
Actively Recruiting
7
Kyungpook National university hospital
Daegu, South Korea
Actively Recruiting
8
Yeungnam University Medical Center
Daegu, South Korea
Actively Recruiting
9
Chungnam National University Hospital
Daejeon, South Korea
Actively Recruiting
10
The Catholic University of Korea, Deajeon St.Mary's hospital
Daejeon, South Korea
Actively Recruiting
11
Gangneung Asan Hospital
Gangneung, South Korea
Actively Recruiting
12
Chonnam National University Hospital
Gwangju, South Korea
Actively Recruiting
13
Inje University Ilsan Paik Hospital
Ilsan, South Korea
Actively Recruiting
14
Dong-A Medical Center
Pusan, South Korea
Actively Recruiting
15
Pusan National University Hospital
Pusan, South Korea
Actively Recruiting
16
Seoul university Bundang hospital
Seongnam, South Korea
Actively Recruiting
17
Asan Medical Center
Seoul, South Korea
Actively Recruiting
18
Gangnam Severance Hospital
Seoul, South Korea
Actively Recruiting
19
Hallym University Kangdong Sacred Heart Hospital
Seoul, South Korea
Actively Recruiting
20
Korea University Anam Hospital
Seoul, South Korea
Actively Recruiting
21
Korea University Guro Hospital
Seoul, South Korea
Actively Recruiting
22
Kyung-Hee University Hospital at Kangdong
Seoul, South Korea
Actively Recruiting
23
Seoul National University Boramae Medical Center
Seoul, South Korea
Actively Recruiting
24
Seoul National University Hospital
Seoul, South Korea
Actively Recruiting
25
The Catholic University of Korea, Seoul St.Mary's Hospital
Seoul, South Korea
Actively Recruiting
26
The Catholic University of Korea, Yeouido St. Mary's Hospital
Seoul, South Korea
Actively Recruiting
27
Ulsan University Hospital
Ulsan, South Korea
Actively Recruiting
28
Wonju Severance Christian Hospital
Wŏnju, South Korea
Actively Recruiting
29
Pusan National University Yangsan Hospital
Yangsan, South Korea
Actively Recruiting
Research Team
S
Seung-Jung Park, MD, PhD
CONTACT
J
Jung-min Ahn, MD
CONTACT
How is the study designed?
Study Type
OBSERVATIONAL
Masking
N/A
Allocation
N/A
Model
N/A
Primary Purpose
N/A
Number of Arms
1
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