Key result
NF-κB decoy transfection safely suppresses post-stent neointimal formation at 6 months in two initial cases.
Why the study?
Does NF-kappaB decoy transfection prevent restenosis in patients undergoing coronary stenting?
Case Report (n=2)
No
Does NF-kappaB decoy transfection prevent restenosis in patients undergoing coronary stenting?
Initial clinical cases suggest that NF-kappaB decoy transfection at the site of coronary stenting is safe and may suppress restenosis at 6 months.
Answers are grounded in this paper and cite their sources.
Supports initial safety in stenting but should not change practice; leaves open NF-κB decoy efficacy for restenosis prevention.
BACKGROUND: Nuclear factor-kappaB (NF-kappaB) plays a pivotal role in restenosis after percutaneous coronary intervention (PCI) and the aim of the present clinical trials was to evaluate the effectiveness of a NF-kappaB decoy for preventing restenosis. METHODS AND RESULTS: The initial case was a patient suffering from effort angina who had stenoses in the proximal and middle portions of the right coronary artery. The patient received 2 stents; the NF-kappaB decoy was delivered to the distal site, but not the proximal site. Six months after the PCI, the NF-kappaB decoy had suppressed restenosis in comparison with the no-decoy transfection site. The second case was a patient who underwent single-stent insertion and decoy transfection at the same site, and minimal intimal thickening was observed at 6 month after PCI. No systemic adverse effects were observed in either case. CONCLUSIONS: These results indicate the clinical usefulness and safety of NF-kappaB decoy transfection after PCI, but further evaluations are necessary to confirm its clinical effectiveness.
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Suzuki et al. (2004) conducted a case report in Coronary restenosis (n=2). NF-κB decoy transfection vs. No decoy transfection was evaluated on Neointimal formation (restenosis) at 6 months. In two initial clinical cases, NF-κB decoy transfection at the site of coronary stenting was safe and suppressed neointimal formation at 6 months post-procedure.
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