Coronary disease & ACSRandomised controlled trial

Randomized Comparison of Novel Low-Dose Sirolimus-Eluting Biodegradable Polymer Stent vs Second-Generation DES

J Am Coll CardiolPublished

  • Randomised controlled trial
  • prospective
  • multicentre
  • single-blind
  • non-inferiority

Authors' conclusion

The biodegradable polymer sirolimus-eluting stent was noninferior to currently used second-generation DES with regard to TLF at 1 year.

Study context

Population
Patients undergoing PCI for chronic or acute coronary syndromes, North America and Europe
Participants
1,720 patients · 2,159 lesions
Comparison
Biodegradable polymer sirolimus-eluting stent (BP-SES) vs second-generation DES
  • BP-SESn = 860
  • Controln = 860reference
Primary endpoint
Target lesion failure (TLF) (cardiac death, target vessel-related MI or ischemia-driven target lesion revascularization)
Follow-up
12 months

Primary result

TLF

Absolute risk difference

0.13%

97.5% CI upper bound 2.03

P < 0.0001 for non-inferiority

By group

As reported in the abstract

Secondary outcomes

Mean, mm

OutcomeBP-SESControlleast squares mean difference (90% CI)P value
In-stent late lumen loss (angiography substudy) · 13 months0.149 (SD 0.263)0.327 (SD 0.463)−0.178 (−0.2943 to −0.0632)P for non-inferiority < 0.0001
  • In-stent late lumen loss (angiography substudy): 104 patients (97.2%), 128 (94.1%) lesions with angiographic follow-up

Mean neointimal hyperplasia thickness (OCT substudy, 37 patients, 42 lesions) · 13 months

No difference between groups
P for non-inferiority = 0.01

Cardiac death, MI, stent thrombosis

Rates similar between groups

Original publication

Randomized Comparison of Novel Low-Dose Sirolimus-Eluting Biodegradable Polymer Stent vs Second-Generation DES. J Am Coll Cardiol. Published 30 October 2024. doi:10.1016/j.jacc.2024.10.074

Summarised from the published abstract; every number is checked against it