Using DK Nano-Culotte Stenting for Complex Heart Lesions

A Novel Coronary Bifurcation Stenting Technique With Minimal Protrusion: Double Kissing Nano-Culotte Stenting

Istanbul Mehmet Akif Ersoy Educational and Training Hospital · NCT05406284

This study is testing a new stenting technique for patients with complex heart conditions to see if it works better than traditional methods.

Quick facts

Study typeObservational
Enrollment12 (estimated)
Ages18 Years to 90 Years
SexAll
SponsorIstanbul Mehmet Akif Ersoy Educational and Training Hospital (other gov)
Locations1 site (Istanbul)
Trial IDNCT05406284 on ClinicalTrials.gov

What this trial studies

This observational study focuses on patients with true coronary bifurcation lesions, which are complex heart conditions that can lead to adverse cardiovascular outcomes. It evaluates the effectiveness of double kissing (DK) nano-culotte stenting, a technique that may offer advantages over traditional stenting methods. The study aims to determine the optimal stenting strategy for these lesions, particularly in patients with left main coronary artery disease. By comparing DK mini-culotte stenting to other techniques, the research seeks to improve patient outcomes in coronary artery disease management.

Who should consider this trial

Good fit: Ideal candidates include patients with de novo true bifurcation lesions who meet specific anatomical criteria.

Not a fit: Patients with severe heart conditions, recent surgeries, or those unable to undergo long-term antiplatelet therapy may not benefit from this study.

Why it matters

Potential benefit: If successful, this approach could lead to better stenting outcomes and reduced complications for patients with complex coronary lesions.

How similar studies have performed: Previous studies have shown promising results with similar stenting techniques, suggesting potential for success in this approach.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Patients with de novo true bifurcation lesion (Medina classification 1,1,1 or 0,1,1 or 1,0,1)
* The main vessel diameter is least 2.5 mm and the side branch diameter is at least 2.25 mm

Exclusion Criteria:

* Patients presenting with ST segment elevation myocardial infarction, cardiogenic shock and Killip class III-IV heart failure
* Patients with a history of coronary artery bypass grafting surgery
* Patients with a chronic total occlusion in the bifurcation area
* Lesions with severe calcification that needs additional intervention such as atherectomy
* Patients who are not suitable to use long term dual antiplatelet therapy and patients not participating in clinical follow-up
* Patients with hematological disorders, malignancy, end stage renal (GFR\<30 ml/min) and hepatic failure
* Patients with active bleeding
* Pregnant women
* Patients with life-expectancy \< 1 year
* Patients treated with small open cell stent platforms

Where this trial is running

Istanbul

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.

View on ClinicalTrials.gov →

Conditions: Coronary Artery Disease, coronary bifurcation lesion, DK nano-culotte stenting

Last reviewed 2026-05-15 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.