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Randomized Controlled Trial
. 2025 Apr 26;405(10488):1481-1490.
doi: 10.1016/S0140-6736(25)00505-7. Epub 2025 Mar 30.

Outcomes after fractional flow reserve-guided percutaneous coronary intervention versus coronary artery bypass grafting (FAME 3): 5-year follow-up of a multicentre, open-label, randomised trial

Affiliations
Randomized Controlled Trial

Outcomes after fractional flow reserve-guided percutaneous coronary intervention versus coronary artery bypass grafting (FAME 3): 5-year follow-up of a multicentre, open-label, randomised trial

William F Fearon et al. Lancet. .

Abstract

Background: Long-term outcomes following percutaneous coronary intervention (PCI) or coronary artery bypass grafting (CABG) might be changing because of improved techniques and better medical therapy. This final prespecified analysis of the Fractional Flow Reserve (FFR) versus Angiography for Multivessel Evaluation (FAME) 3 trial aimed to reassess their comparative effectiveness at 5 years.

Methods: FAME 3 was a multicentre, randomised trial comparing FFR-guided PCI using current-generation zotarolimus-eluting stents versus CABG in patients with three-vessel coronary artery disease not involving the left main coronary artery. 48 hospitals in Europe, USA and Canada, Australia, and Asia participated in the trial. Patients (aged ≥21 years with no cardiogenic shock, no recent ST segment elevation myocardial infarction, no severe left ventricular dysfunction, and no previous CABG) were randomly assigned to either PCI or CABG using a web-based system. At 1 year, FFR-guided PCI did not meet the prespecified threshold for non-inferiority for the outcome of death, stroke, myocardial infarction, or repeat revascularisation versus CABG. The primary endpoint for this intention-to-treat analysis was the 5-year incidence of the prespecified composite outcome of death, stroke, or myocardial infarction. The trial was registered at ClinicalTrials.gov, NCT02100722, and is completed; this is the final report.

Findings: Between Aug 25, 2014 and Nov 28, 2019, 757 of 1500 participants were assigned to PCI and 743 to CABG. 5-year follow-up was achieved in 724 (96%) patients assigned to PCI and 696 (94%) assigned to CABG. At 5 years, there was no significant difference in the composite of death, stroke, or myocardial infarction between the two groups, with 119 (16%) events in the PCI group and 101 (14%) in the CABG group (hazard ratio 1·16 [95% CI 0·89-1·52]; p=0·27). There were no differences in the rates of death (53 [7%] vs 51 [7%]; 0·99 [0·67-1·46]) or stroke (14 [2%] vs 21 [3%], 0·65 [0·33-1·28]), but myocardial infarction was higher in the PCI group than in the CABG group (60 [8%] vs 38 [5%], 1·57 [1·04-2·36]), as was repeat revascularisation (112 [16%] vs 55 [8%], 2·02 [1·46-2·79]).

Interpretation: At the 5-year follow-up, there was no significant difference in a composite outcome of death, stroke, or myocardial infarction after FFR-guided PCI versus CABG, although myocardial infarction and repeat revascularisation were higher with PCI. These results provide contemporary evidence to allow improved shared decision making between physicians and patients.

Funding: Medtronic and Abbott Vascular.

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Conflict of interest statement

Declaration of interests WFF reports research funding from Abbott, Medtronic, and CathWorks; and has stock options with HeartFlow. SM reports consulting relationships with Abbott Vascular, Amgen, Bayer, Boehringer Ingelheim, and Novartis; and a research grant from Boehringer Ingelheim and Abbott Vascular. PK reports a consulting relationship with Boston Scientific, Medtronic, and Servier Affaires Medicales; and honoraria from AstraZeneca and Bayer. OA reports research funding from Abbott Vascular and AstraZeneca; and a consulting relationship with Abbott Vascular and Boston Scientific. SM reports a consulting relationship with Abbott, Amgen, AstraZeneca, Bayer, Boehringer Ingelheim, Novartis, Opsens, Pfizer, and Servier Affaires Medicales. TE reports a consulting relationship with Abbott Vascular, Bayer, and Novo Nordisk. EHC reports a consulting relationship with Abbott Vascular; and research grants from Abbott Vascular. PALT reports receiving research grants from Biosensors and Opsens. MJR reports a consulting relationship with Medtronic, Abbott, Boston Scientific, Gore Medical, Anteris, and JC Medical. HO reports receiving research grants from the Uehara Memorial Foundation, Abbott, Medtronic, Boston Scientific, and Terumo. YK reports institutional research support from CathWorks; and a research agreement with Medis. MAH reports a consulting relationship with Blue Cross and Blue Shield; and research support from HeartFlow. KWM reports research grants or contracts from the American Heart Association, Apple, Bayer, California Institute Regenerative Medicine, Eidos, Ferring, Gilead, Google (Verily), Idorsia, Johnson & Johnson, Luitpold, PAC-12, Precordior, and Sanifit; has provided consulting or other services for Amgen, Applied Therapeutics, AstraZeneca, Bayer, CSL Behring, Elsevier, FibroGen, Inova, Johnson & Johnson, Lexicon, MyoKardia, Novartis, Novo Nordisk, Otsuka, PhaseBio, Portola, Quidel, Sanofi, and Theravance; and has equity in Precordior. ACY reports a consulting relationship with Medtronic. NHJP reports research funding from Abbott; consulting relationships with Abbott and Opsens; and stock with ASML, General Electric, HeartFlow, Hexacath, and Philips. BDB reports an institutional consulting relationship with Boston Scientific, Abbott Vascular, CathWorks, Siemens, GE Healthcare, and Coroventis Research; institutional research grants from Abbott Vascular, Coroventis Research, CathWorks, and Boston Scientific; and minor equities in Philips, Siemens, GE Healthcare, CathWorks, Edwards Life Sciences, HeartFlow, Opsens, Celyad, Xenter, Medyria, Bayer, and Sanofi. All other authors declare no competing interests.

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