Comparison of Results Achieved by Different Ballooning Techniques in

Status Not yet recruiting

Clinical Trial Summary

Single-stent strategy with provisional approach represents the gold standard for percutaneous coronary intervention of bifurcation lesions, and, according to European Bifurcation Club, performing provisional approach presents two steps considered as mandatory: "crossover stenting" in main vessel (MV) and subsequent post-dilation or "POT" (proximal optimization technique). While consensus exists regarding these first two steps, the exact optimal following sequence in case of side branch (SB) jeopardize after main vessel stenting is still a matter of debate. Actually, the two most used techniques in this setting are represented by the simultaneous inflation of two balloons located respectively in the MV and SB followed by a second POT (POT/kissing balloon/POT technique) and the isolated inflation of a balloon placed in the SB followed by a second POT (POT/SIDE/POT technique). The objective of this study is to compare the configuration achieved with POT/KISS/POT (PKP) and POT/SIDE/POT (PSP), using the "cutting edge" high-resolution intracoronary imaging modality (Optical Coherence Tomography, OCT).

Clinical Trial Description

A preclinical phase of the study (CRABBS-VHL) was performed in isolated porcine hearts comparing the two common side-branch (SB) optimization techniques after stent implantation in the main vessel (MV): proximal optimization technique (POT) + kissing balloon inflation + final POT (PKP arm) and POT + isolated balloon inflation + final POT (PSP arm). A total of 30 PCIs were successfully performed. Baseline characteristics of treated bifurcations were similar between the two study arms. Minimum stent expansion at the distal main vessel (MV) segment was significantly lower with PSP as compared with PKP as assessed by both OCT and Micro-CT . Other significant findings included: higher stent eccentricity index at proximal MV with PSP, higher SB scaffolding length and lower malapposition (at bifurcation core and distal MV) with PKP. These data need to be confirmed by further randomized studies in humans. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT05559424
Study type	Interventional
Source	Catholic University of the Sacred Heart
Contact	Francesco Burzotta, MD, PhD
Phone	+390650156622
Email	francesco.burzotta@gmail.com
Status	Not yet recruiting
Phase	N/A
Start date	October 2022
Completion date	July 2023

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Comparison of Results Achieved by Different Ballooning Techniques in Bifurcation Stenting — CRABBIS

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms