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The PICCOLETO study and beyond.

Bernardo Cortese¹

¹Interventional Cardiology, Cliniche Humanitas Gavazzeni, Bergamo, Italy. bcortese@gmail.com

Eurointervention : Journal of Europcr in Collaboration with the Working Group on Interventional Cardiology of the European Society of Cardiology

|October 27, 2011

Summary

This summary is machine-generated.

The Dior paclitaxel-coated balloon (PCB) did not prove effective compared to drug-eluting stents (DES) in treating small native coronary arteries. Further research is needed to determine the class-effect of PCBs in native coronary disease.

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Area of Science:

Interventional Cardiology
Vascular Medicine
Drug-Coated Devices

Background:

Paclitaxel-coated balloons (PCBs) have shown promise in treating in-stent restenosis.
The efficacy of PCBs in native coronary artery disease remains less established.
Previous trials like PACCOCATH ISR and PEPCAD II demonstrated positive outcomes for PCBs in specific contexts.

Purpose of the Study:

To evaluate the efficacy of the Dior paclitaxel-coated balloon (PCB) compared to a paclitaxel-eluting stent (Taxus DES) in patients undergoing percutaneous coronary intervention (PCI) of small native coronary vessels (≤ 2.75 mm).
To assess angiographic endpoints, including percent diameter stenosis and binary restenosis, as well as major adverse cardiac events (MACE).

Main Methods:

The PICCOLETO trial was a randomized study comparing the Dior PCB to the Taxus DES.
Patients with stable or unstable angina were enrolled.
The primary endpoint was percent diameter stenosis at 6-month angiographic follow-up; secondary endpoints included binary restenosis and MACE at 9 months.

Main Results:

The study was halted early due to observed differences between the groups.
The Dior PCB group showed significantly higher percent diameter stenosis (43.6% vs. 24.3%, p=0.029) compared to the Taxus DES group.
Higher rates of angiographic restenosis (32.1% vs. 10.3%, p=0.043) and MACE (35.7% vs. 13.8%, p=0.054) were observed in the PCB group.

Conclusions:

The Dior PCB failed to demonstrate equivalence to the Taxus DES in terms of angiographic outcomes in small native coronary arteries.
The study suggests a potential lack of efficacy of the specific device used, rather than a class-effect for paclitaxel-coated balloons in native coronary vessels.
The findings highlight the need for further investigation into the role and effectiveness of PCBs in native coronary interventions.