Observing treatments for severe coronary artery disease
Official title: A GLOBAL, MULTICENTER, PROSPECTIVE, REAL WORLD OBSERVATIONAL STUDY FOR LEFT MAIN DISEASE TREATMENT
Run by CardioVascular Research Foundation, Korea · NCT01341327 · Data updated 2026-11-12
This study is trying to see how well different treatments for severe coronary artery disease work for patients over time.
Quick facts
| Study type | Observational |
|---|---|
| Ages | 18 Years and up |
| Sex | All |
| Enrollment | 10000 (estimated) |
| Sponsor | CardioVascular Research Foundation, Korea Academic / other |
| Locations | 42 sites (Shanghai and 41 other locations) |
| Status | Recruiting |
| Started | July 2007 |
| Main results expected | December 2032 |
| Study ends | December 2033 |
| Registry record updated | October 15, 2026 |
| Trial ID | NCT01341327 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Ideal candidates are adults over 18 with significant unprotected left main coronary artery stenosis.
✕Probably not a fit
Patients with protected left main stenosis will not benefit from this study.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
What this trial studies
This observational study aims to track the long-term clinical outcomes of patients with unprotected left main coronary artery disease. It evaluates the effectiveness of three treatment approaches: medical therapy, coronary stenting with drug-eluting stents, and coronary artery bypass grafting (CABG). The study will collect data from approximately 5000 patients across 65 centers in the Asia-Pacific region, providing insights into real-world treatment results. The findings will help inform best practices for managing this serious condition.
Why it matters
Potential benefit: If successful, this study could lead to improved treatment strategies for patients with severe coronary artery disease.
How similar studies have gone: Other studies have shown success in evaluating treatment outcomes for coronary artery disease, making this approach relevant and potentially impactful.
Who can join: the full rules
Show full inclusion / exclusion criteria
Inclusion Criteria: * Significant unprotected left main stenosis (\>50% by visual estimation) * The LMCA is considered unprotected if there are no patent coronary artery bypass grafts to the left anterior descending artery or the left circumflex artery. * No limitation of clinical or lesion characteristics * Age \>18 years * The patient or guardian agrees to the study protocol and the schedule of clinical follow-up, and provides informed, written consent, as approved by the appropriate Institutional Review Board/Ethics Committee of the respective clinical site. Exclusion Criteria: * Protected left main stenosis
Where it's running
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Zhongshan Hospital
Shanghai, China Recruiting -
Sarawak General Hospital
Kuching, Malaysia Recruiting -
Hallym University medical center
Anyang, South Korea Recruiting -
Inje University Busan Paik Hospital
Busan, South Korea Recruiting -
Soonchunhyang University Hospital, Cheonan
Cheonan, South Korea Recruiting -
Daegu Catholic University Medical Center
Daegu, South Korea Recruiting
Show 36 more locations
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Keimyung University Dongsan Medical Center
Daegu, South Korea Recruiting -
Chungnam National University Hospital
Daejeon, South Korea Recruiting -
Gangneung Asan Medical Center
Gangneung, South Korea Recruiting -
Chonnam National University Hospital
Gwangju, South Korea Recruiting -
Chonbuk National University Hospital
Jeonju, South Korea Recruiting -
Presbyterian Medical Center
Jeonju, South Korea Recruiting -
Kwangju Christian hospital
Kwangju, South Korea Recruiting -
Pusan Natioanal University Hospital
Pusan, South Korea Recruiting -
Asan Medical Center
Seoul, South Korea Recruiting -
Dongguk University Medical Center
Seoul, South Korea Recruiting -
Gangnam Severance Hospital
Seoul, South Korea Recruiting -
Kangbuk samsung hospital
Seoul, South Korea Recruiting -
Kangdong Sacred Heart Hospital
Seoul, South Korea Recruiting -
Korea University Anam hospital
Seoul, South Korea Recruiting -
Korea University Guro Hospital
Seoul, South Korea Recruiting -
Seoul National University Boramae Medical Center
Seoul, South Korea Recruiting -
Seoul National University Hospital
Seoul, South Korea Recruiting -
The Catholic University of Korea, ST. Vincent's Hospital
Suwon, South Korea Recruiting -
Ulsan University Hospital
Ulsan, South Korea Recruiting -
Wonju Christian Hospital
Wŏnju, South Korea Recruiting -
Shin Kong Hospital
Taipei, Taiwan Recruiting -
Siriraj Hospital
Bangkok, Thailand Recruiting -
Soonchunhyang University Hospital, Buchen
Bucheon-si, South Korea Terminated -
The Catholic University of Korea, Bucheon ST.Mary's Hospital
Bucheon-si, South Korea Terminated -
St.Mary's Catholic Medical Center
Cheongju-si, South Korea Terminated -
Yeungnam University Medical Center
Daegu, South Korea Terminated -
The Catholic University of Korea, Daejeon ST.Mary's Hospital
Daejeon, South Korea Terminated -
National Health Insurance Service Ilsan Hospital
Ilsan, South Korea Terminated -
St.Mary's Catholic Medical Center
Inchon, South Korea Terminated -
Bundang CHA Hospital
Seongnam, South Korea Terminated -
Seoul Veterans Hospital
Seoul, South Korea Terminated -
St.Mary's Catholic Medical Center
Seoul, South Korea Terminated -
The Catholic University of Korea, ST. Paul's Hospital
Seoul, South Korea Terminated -
The Catholic University of Korea, Yeouido ST. Mary's Hospital
Seoul, South Korea Terminated -
Yonsei University Medical Center
Seoul, South Korea Terminated -
Ajou University Hospital
Suwon, South Korea Terminated
Study contacts
- Principal investigator: Seung-Jung Park, MD, PhD — Cvrf
- Study coordinator: Seung-Jung Park, MD, PhD
- Email: sjpark@amc.seoul.kr
- Phone: 82-2-3010-3152
Similar studies
Other studies for the same condition or treatment. Recruiting studies are listed first.
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μFR-guided Drug-Coated Balloon Angioplasty vs Angiography-guided Angioplasty in Coronary Artery Disease
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Gastric Ultrasound Before CABG to See if Heart Function Changes Stomach Contents
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Can preoperative photon-counting CT help predict heart recovery after bypass surgery?
This observational study tests whether a preoperative photon-counting CT can help predict heart function 3 months after coronary bypass surgery in adults with coronary artery disease.
-
Real-World Drug-Coated Balloon Angioplasty in Coronary Artery Disease
This registry tests how drug-coated balloons perform in everyday clinical practice for adults with coronary artery disease undergoing PCI.
-
Predicting vasopressor needs after anesthesia in elective on-pump CABG using dynamic arterial elastance
This study tests whether EaDyn measured after induction can help predict which patients will need vasopressors during elective on-pump CABG.
-
Intraoperative Pulse Pressure Variation and Postoperative Lactate Clearance in CABG Patients
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How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.