Bioresorbable scaffold (BRS) was designed aiming to avoid the late adverse events associated with permanent metallic stents by providing temporary support to the vessel wall and promoting vessel remodeling, plaque reduction, and restoring vasomotion after its full absorption. As the first FDA-approved BRS, ABSORB BRS was associated with a significantly higher risk of late scaffold thrombosis compared with everolimus-eluting stent (EES). As a result, the ESC-EAPCI task force recommended that the current ABSORB BRS should not be preferred over conventional DES in clinical practice. To solve this dilemma, improved scaffold technology and optimal implantation techniques are necessary. The latest generation Firesorb BRS is a PLLA backbone scaffold system abluminally coated with poly(D, L-lactide) mixed with sirolimus using highly accurate and precise point spraying techniques. Compared to the ABSORB BRS, Firesorb features a thinner stent thickness (100-125 μm) while maintaining sufficient radial support, enabling faster degradation and a shorter duration of presence in the coronary. Additionally, inspired by the design of the Firehawk DES, its unique spot-coating process applies a single-sided coating layer exclusively to the stent's outer surface, enabling targeted drug release. Preclinical trials have demonstrated favorable performance for Firesorb, culminating in its approval by the National Medical Products Administration (NMPA) in 2024. Against these backgrounds, we have designed this trial to investigate whether the Firesorb BRS is non-inferior to the drug-eluting stent in terms of the Device-Oriented Composite Endpoint (DoCE) in patients undergoing percutaneous coronary intervention for de novo lesions.
Age range
18 Years – 75 Years
Sex
ALL
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Cumulative event rate of Device-oriented Composite Endpoint (DoCE)
Timeframe: 36 months