Study Stopped
The purpose of this study is no longer maintained
Chronic Total Occlusion Registry
IRIS CTO
A Multicenter, Prospective, Real World Observational Study for Chronic Total Occlusion
1 other identifier
observational
4,006
1 country
19
Brief Summary
This study evaluated the long-term outcome of patients with chronic total occlusion treated with percutaneous coronary intervention, medical treatment or coronary artery bypass grafting.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for all trials
Started Jan 2010
Longer than P75 for all trials
19 active sites
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 Start
First participant enrolled
January 1, 2010
CompletedFirst Submitted
Initial submission to the registry
July 25, 2019
CompletedFirst Posted
Study publicly available on registry
August 1, 2019
CompletedPrimary Completion
Last participant's last visit for primary outcome
April 8, 2022
CompletedStudy Completion
Last participant's last visit for all outcomes
April 8, 2022
CompletedApril 18, 2022
April 1, 2022
12.3 years
July 25, 2019
April 11, 2022
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Composite event of all cause death, myocardial infarction, stroke or all kinds of repeat revascularization
10 years
Secondary Outcomes (9)
Event rate of all cause death
10 years
Event rate of acute myocardial infarction
10 years
Event rate of stroke
10 years
Event rate of repeat revascularization
10 years
Event rate of rehospitalization due to acute coronary syndrome
10 years
- +4 more secondary outcomes
Study Arms (1)
Chronic coronary occlusion patients
≥3 months chronic total occlusion on coronary angiography
Interventions
Eligibility Criteria
Patients with De novo chronic coronary occlusion ≥ 3months and reference diameter ≥ 2.5 mm on coronary angiography
You may qualify if:
- Patients with angina or silent ischemia and documented ischemia
- Patients with De novo chronic coronary occlusion ≥ 3months and reference diameter ≥ 2.5 mm on coronary angiography
- Age \> 18 years
You may not qualify if:
- Refuse to participate in this study
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Seung-Jung Parklead
- CardioVascular Research Foundation, Koreacollaborator
Study Sites (19)
SAM hospital
Anyang, South Korea
Soon Chun Hyang University Hospital Bucheon
Bucheon-si, South Korea
Soon Chun Hyang University Hospital Cheonan
Cheonan, South Korea
Chungbuk National University Hospital
Cheongju-si, South Korea
Gangwon National Univ. Hospital
Chuncheon, South Korea
Keimyung University Dongsan Medical Center
Daegu, South Korea
Chungnam National University Hospital
Daejeon, South Korea
The Catholic University of Korea, Daejeon ST. Mary's Hospital
Daejeon, South Korea
Gangneung Asan Hospital
Gangneung, South Korea
Chonnam National University Hospital
Gwangju, South Korea
ChonBuk National University Hospital
Jeonju, South Korea
Dong-A Medical Center
Pusan, South Korea
Pusan National University Yangsan Hospital
Pusan, South Korea
Bundang CHA Hospital
Seongnam, South Korea
Asan Medical Hospital
Seoul, South Korea
Korea University Guro Hospital
Seoul, South Korea
The Catholic University of Korea Seoul St. Mary's Hospital
Seoul, South Korea
Ulsan University Hospital
Ulsan, South Korea
Wonju Severance Christian Hospital
Wŏnju, South Korea
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Study Design
- Study Type
- observational
- Observational Model
- COHORT
- Time Perspective
- PROSPECTIVE
- Target Duration
- 10 Years
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR INVESTIGATOR
- PI Title
- Professor,University of Ulsan College of Medicine
Study Record Dates
First Submitted
July 25, 2019
First Posted
August 1, 2019
Study Start
January 1, 2010
Primary Completion
April 8, 2022
Study Completion
April 8, 2022
Last Updated
April 18, 2022
Record last verified: 2022-04