Clinical trial Recruiting at 28 sites Observational Ages 18 and up

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.

More Coronary Artery Disease trials

Quick facts

Study typeObservational
Ages18 Years and up
SexAll
Enrollment10000 (estimated)
SponsorCardioVascular Research Foundation, Korea
Academic / other
Locations42 sites (Shanghai and 41 other locations)
StatusRecruiting
StartedJuly 2007
Main results expectedDecember 2032
Study endsDecember 2033
Registry record updatedOctober 15, 2026
Trial IDNCT01341327 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

  • 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
  • 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

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.