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Coronary Bifurcation Stenting (COBIS) Registry in South Korea (COBIS)

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. Identifier: NCT00851526
Recruitment Status : Completed
First Posted : February 26, 2009
Last Update Posted : July 17, 2012
Information provided by (Responsible Party):
Hyeon-Cheol Gwon, Samsung Medical Center

Brief Summary:

The COBIS registry is multi-center, real-world registry of drug-eluting stenting in coronary bifurcation lesions in South Korea.

The aim of the study was to find out the current status of bifurcation drug-eluting stenting and determine the prognostic factors for long-term outcome in South Korea.

Condition or disease
Coronary Bifurcation Lesion

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Study Type : Observational
Actual Enrollment : 1919 participants
Observational Model: Cohort
Time Perspective: Retrospective
Official Title: Coronary Bifurcation Stenting (COBIS) Registry in South Korea
Study Start Date : January 2004
Actual Primary Completion Date : December 2008
Actual Study Completion Date : December 2008

Coronary bifurcation lesion

Primary Outcome Measures :
  1. Incidence of the composite outcome of all-cause death, MI, or any PCI/CABG [ Time Frame: 3 years ]

Secondary Outcome Measures :
  1. Incidence of stent thrombosis, and periprocedural MI [ Time Frame: 3 years ]

Information from the National Library of Medicine

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.

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Ages Eligible for Study:   18 Years and older   (Adult, Older Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
Sampling Method:   Probability Sample
Study Population
Patients with coronary bifurcation lesion treated with drug-eluting stents

Inclusion Criteria:

  • Age >= 18 years
  • Any type of de novo bifurcation lesion with a parent vessel >= 2.5 mm and side branch>= 2.0 mm by visual estimation
  • Treated with drug-eluting stent

Exclusion Criteria:

  • Cardiogenic Shock
  • ST elevation MI within 48hours
  • Expected survival less than 1 year
  • Left main bifurcation
  • Allergy to the antiplatelets

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its identifier (NCT number): NCT00851526

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Korea, Republic of
Samsung Medical Center
Seoul, Korea, Republic of, 135-710
Sponsors and Collaborators
Samsung Medical Center
Publications automatically indexed to this study by Identifier (NCT Number):

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Responsible Party: Hyeon-Cheol Gwon, Professor, Samsung Medical Center Identifier: NCT00851526    
Other Study ID Numbers: 2007-04-042
First Posted: February 26, 2009    Key Record Dates
Last Update Posted: July 17, 2012
Last Verified: July 2012
Keywords provided by Hyeon-Cheol Gwon, Samsung Medical Center:
Coronary bifurcation lesion
Drug-eluting stent