Clinical trial Recruiting at 2 sites Observational Ages 18 and up

Comparing two techniques for treating complex coronary bifurcation lesions

Official title: Comparison of Cardiovascular Outcomes of Double Kissing-crush vs Controlled Balloon-crush Techniques For Complex Coronary Bifurcation Lesions

Run by Istanbul Mehmet Akif Ersoy Educational and Training Hospital · NCT06931574 · Data updated 2026-11-12

This study is testing two different ways to treat complex heart artery blockages to see which one helps patients feel better and have fewer heart problems after the procedure.

Quick facts

Study typeObservational
Ages18 Years and up
SexAll
Enrollment300 (estimated)
SponsorIstanbul Mehmet Akif Ersoy Educational and Training Hospital
Government
Locations2 sites (Istanbul and 1 other locations)
StatusRecruiting
StartedApril 1, 2025
Main results expectedNovember 1, 2026
Study endsDecember 30, 2026
Registry record updatedApril 17, 2025
Trial IDNCT06931574 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates are adults over 18 with complex coronary bifurcation lesions suitable for PCI using either the double kissing-crush or controlled balloon-crush techniques.

Probably not a fit

Patients with non-complex bifurcation anatomy or those with severe conditions such as ST-elevation myocardial infarction or end-stage organ disease may 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 study evaluates the effectiveness of two techniques, double kissing-crush and controlled balloon-crush, for treating complex coronary bifurcation lesions in patients undergoing percutaneous coronary intervention (PCI). The double kissing-crush technique aims to improve outcomes by reducing major adverse cardiovascular events compared to traditional methods. The controlled balloon-crush technique is a newer approach that allows for easier rewiring of the side branch, potentially enhancing procedural success. The study will observe patients aged over 18 with specific coronary lesion types to determine which technique yields better results.

Why it matters

Potential benefit: If successful, this study could lead to improved treatment outcomes for patients with complex coronary bifurcation lesions.

How similar studies have gone: Previous studies have shown promising results with the double kissing-crush technique, indicating potential success for this comparative approach.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Aged \>18
* PCI with either DK-crush or Controlled balloon-crush
* Complex coronary bifurcation lesion (Medina 0.1.1, Medina 1.1.1)

Exclusion Criteria:

* Non-complex bifurcation anatomy
* Bail-out 2-stent (reverse modified mini-crush)
* ST-elevation myocardial infarction
* Cardiogenic shock status
* In-stent restenosis
* A previous of coronary artery bypass grafting
* Implantation of bare-metal stent
* End-stage hepatic or renal disease
* \<1-year life expectancy

Where it's running

  • Istanbul Mehmet Akif Ersoy Thoracic and Cardiovascular Surgery Training and Research Hospital
    Istanbul, Turkey (Türkiye)
    Recruiting
  • Istanbul Mehmet Akif Ersoy Thoracic and Cardiovascular Surgery Training and Research Hospital
    Istanbul, Turkey (Türkiye)
    Recruiting

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.