再血管治療における新型薬剤付きバルーンの安全性評価(New Drug-Eluting Balloon May Be as Safe and Effective as Conventional Metal Stents for Repeat Percutaneous Coronary Interventions)

ad

2025-10-26 マウントサイナイ医療システム(MSHS)

マウントサイナイ医科大学のRoxana Mehran教授らが主導した国際臨床試験で、薬剤溶出バルーン(DEB)が再狭窄を伴う冠動脈疾患治療において、従来の金属ステントと同等の安全性と有効性を示した。対象は再PCI(経皮的冠動脈形成術)を受けた患者約600人。12か月追跡の結果、DEB群とステント群で心血管死亡率・再血行再建率に差はなく、DEBは金属留置を避けつつ再治療の柔軟性を確保できる利点があるとされた。副作用発生率も同等で、慢性炎症や血栓リスク低減が期待される。研究は将来的に「非ステント時代」の冠動脈治療を導く可能性がある。成果は米国心臓協会(AHA)年次学会で発表予定。

<関連情報>

ステント内再狭窄患者の治療におけるSELUTION SLR 014薬剤溶出バルーンの安全性と有効性を評価するための前向き無作為化単盲検多施設共同試験:根拠と設計 Prospective randomized single-blind multicenter study to assess the safety and effectiveness of the SELUTION SLR 014 drug eluting balloon in the treatment of subjects with in-stent restenosis: Rationale and design

Donald E. Cutlip MD, Roxana Mehran MD, Gheorghe Doros PhD, Vladimir Kaplinskiy MD, Jane Lee PhD, Luke Zheng BS, Milan Kausik MD, Eric Osborn MD, PhD, Ron Waksman MD
American Heart Journal  Available online: 12 February 2025
DOI:https://doi.org/10.1016/j.ahj.2025.02.001

Highlights

  • Randomized multicenter clinical trial comparing a sirolimus eluting balloon with standard of care (including at least 80% drug-eluting stents and up to 20% balloon angioplasty) for treatment of in-stent restenosis with 1 or 2 layers of previous stents.
  • The study will assess noninferiority of the sirolimus-eluting balloon with the current standard of care as the primary endpoint.
  • In sequential testing the study will also assess noninferiority and then superiority of the sirolimus eluting balloon versus drug-eluting stents in patients with single previous layer of stent.

ABSTRACT

Background

Repeat drug-eluting stenting is superior to balloon angioplasty for prevention of recurrent in-stent restenosis (ISR), but carries a potential disadvantage of multiple layers of stent. The safety and effectiveness of a sirolimus drug-eluting balloon as an alternative has not been assessed.

Study Design and Methods

The SELUTION4ISR trial is a prospective, multicenter, single-blinded, randomized, controlled trial. A total of 418 subjects with bare metal or drug-eluting stent (DES) ISR with up to 2 previous stent procedures at the target lesion, lesion length <26 mm and reference diameter ≥2.0 mm – ≤4.5 mm will be randomized 1:1 to treatment with either the SELUTION SLR™ DEB (SLR DEB) or standard of care (SOC), which includes either repeat DES or balloon angioplasty without drug coating. A subset of subjects will undergo planned angiographic and optical coherence tomography follow-up. The primary endpoint will be target lesion failure, defined as cardiac death, target vessel myocardial infarction, or clinically-driven target lesion revascularization at 12 months follow-up. The study will sequentially assess noninferiority of the SLR DEB to SOC in the overall cohort, followed by noninferiority then superiority of the SLR DEB to DES in the cohort with only 1 previous stent at the target lesion.

Trial Registration

The trial is registered at Clinicaltrials.gov (NCT04280029).

Current Status

The trial completed enrollment in July 2024.

Conclusion

The SELUTION4ISR study will evaluate the safety and effectiveness of SLR DEB in a prospective, randomized, international, multicenter trial for treatment of coronary ISR.

医療・健康
ad
ad
Follow
ad
タイトルとURLをコピーしました