Impact of alirocumab on plaque regression and haemodynamics of non-culprit arteries in patients with acute myocardial infarction: a prespecified substudy of the PACMAN-AMI trial

被引:10
作者
Bar, Sarah [1 ]
Kavaliauskaite, Raminta [1 ]
Otsuka, Tatsuhiko [1 ,2 ]
Ueki, Yasushi [1 ,3 ]
Haner, Jonas D. [1 ]
Siontis, George C. M. [1 ]
Stortecky, Stefan [1 ]
Shibutani, Hiroki [1 ,4 ]
Temperli, Fabrice [1 ]
Kaiser, Christoph [5 ]
Iglesias, Juan F. [6 ]
van Geuns, Robert Jan [7 ]
Daemen, Joost [8 ]
Spirk, David [9 ,10 ]
Engstrom, Thomas [11 ]
Lang, Irene [12 ]
Windecker, Stephan [1 ]
Koskinas, Konstantinos C. [1 ]
Losdat, Sylvain [13 ]
Raber, Lorenz [1 ]
机构
[1] Bern Univ Hosp, Dept Cardiol, Inselspital, Bern, Switzerland
[2] Itabashi Chuo Med Ctr, Dept Cardiol, Tokyo, Japan
[3] Shinshu Univ, Dept Cardiovasc Med, Sch Med, Nagano, Japan
[4] Kansai Med Univ, Div Cardiol, Dept Med 2, Hirakata, Osaka, Japan
[5] Univ Basel Hosp, Div Cardiol, Basel, Switzerland
[6] Univ Hosp Geneva, Div Cardiol, Geneva, Switzerland
[7] Radboud UMC, Dept Cardiol, Nijmegen, Netherlands
[8] Erasmus MC, Dept Cardiol, Rotterdam, Netherlands
[9] Univ Hosp Bern, Dept Pharmacol, Bern, Switzerland
[10] Sanofi, Vernier, Switzerland
[11] Copenhagen Univ Hosp, Dept Cardiol, Rigshosp, Copenhagen, Denmark
[12] Med Univ Vienna, Dept Cardiol, Vienna, Austria
[13] Univ Bern, CTU Bern, Bern, Switzerland
关键词
adjunctive pharmacotherapy; clinical trials; NSTEMI; other imaging modalities; QCA; STEMI; QUANTITATIVE CORONARY-ANGIOGRAPHY; ATHEROSCLEROSIS REGRESSION; INTRAVASCULAR ULTRASOUND; STATIN THERAPY; FLOW RESERVE; PROGRESSION; REDUCTION; ATHEROMA; SERIAL;
D O I
10.4244/EIJ-D-23-00201
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
Background: Treatment with proprotein convertase subtilisin/kexin type 9 (PCSK9) inhibitors on top of statins leads to plaque regression and stabilisation. The effects of PCSK9 inhibitors on coronary physiology and angiographic diameter stenosis (DS%) are unknown. Aims: This study aimed to investigate the effects of the PCSK9 inhibitor alirocumab on coronary haemo-dynamics as assessed by quantitative flow ratio (QFR) and DS% by three-dimensional quantitative coro-nary angiography (3D-QCA) in non-infarct-related arteries (non-IRA) among acute myocardial infarction (AMI) patients. Methods: This was a prespecified substudy of the randomised controlled PACMAN-AMI trial, comparing alirocumab versus placebo on top of rosuvastatin. QFR and 3D-QCA were assessed at baseline and 1 year in any non-IRA >= 2.0 mm and 3D-QCA DS% >25%. The prespecified primary endpoint was the number of patients with a mean QFR increase at 1 year, and the secondary endpoint was the change in 3D-QCA DS%. Results: Of 300 enrolled patients, 265 had serial follow-up, of which 193 underwent serial QFR/3D-QCA analysis in 282 non-IRA. At 1 year, QFR increased in 50/94 (53.2%) patients with alirocumab versus 40/99 (40.4%) with placebo (Delta 12.8%; odds ratio 1.7, 95% confidence interval [CI]: 0.9 to 3.0; p=0.076). DS% decreased by 1.037.28% with alirocumab and increased by 1.708.27% with placebo (Delta -2.50%, 95% CI: -4.43 to -0.57; p=0.011). Conclusions: Treatment of AMI patients with alirocumab versus placebo for 1 year resulted in a signifi-cant regression in angiographic DS%, whereas no overall improvement of coronary haemodynamics was observed. ClinicalTrials.gov: NCT03067844
引用
收藏
页码:E286 / +
页数:22
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