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Thromb Haemost 2024; 124(05): 482-496
DOI: 10.1055/a-2149-4344
Atherosclerosis and Ischaemic Disease

Guided Anti-P2Y12 Therapy in Patients Undergoing PCI: Three Systematic Reviews with Meta-analyses of Randomized Controlled Trials with Homogeneous Design

Simone Birocchi
1   Divisione di Medicina Generale II, Dipartimento di Scienze della Salute, ASST Santi Paolo e Carlo, Università degli Studi di Milano, Milan, Italy
,
Matteo Rocchetti
2   Divisione di Cardiologia, Dipartimento di Scienze della Salute, ASST Santi Paolo e Carlo, Università degli Studi di Milano, Milan, Italy
,
Alessandro Minardi
2   Divisione di Cardiologia, Dipartimento di Scienze della Salute, ASST Santi Paolo e Carlo, Università degli Studi di Milano, Milan, Italy
,
Gian Marco Podda
1   Divisione di Medicina Generale II, Dipartimento di Scienze della Salute, ASST Santi Paolo e Carlo, Università degli Studi di Milano, Milan, Italy
,
Alessandro Squizzato 
3   Research Center on Thromboembolic Disorders and Antithrombotic Therapies, ASST Lariana, University of Insubria, Como, Italy
,
Marco Cattaneo
1   Divisione di Medicina Generale II, Dipartimento di Scienze della Salute, ASST Santi Paolo e Carlo, Università degli Studi di Milano, Milan, Italy
4   Fondazione Arianna Anticoagulazione, Bologna, Italy
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Abstract

Background The value of guided therapy (GT) with anti-P2Y12 drugs in percutaneous coronary intervention (PCI) is unclear. Meta-analyses lumped together randomized controlled trials (RCTs) with heterogeneous designs, comparing either genotype-GT or platelet function test (PFT)-GT with unguided therapy. Some meta-analysis also included RCTs that did not explore GT, but included the effects of switching patients with high on-treatment platelet reactivity (HTPR) to alternative therapies (HTPR-Therapy). We performed three distinct systematic reviews/meta-analyses, each exploring only RCTs with homogeneous design.

Methods MEDLINE, Embase, and Central databases were searched for RCTs testing genotype-GT, PFT-GT, or HTPR-Therapy in PCI-treated patients, through October 1, 2022. Two reviewers extracted the data. Risk ratios (RRs) (95% confidence intervals) were calculated. Primary outcomes were major bleedings (MBs) and major adverse cardiovascular events (MACE).

Results In seven genotype-GT RCTs, RRs were: MB, 1.06 (0.73–1.54; p = 0.76); MACE, 0.65 (0.47–0.91; p = 0.01), but significant risk reduction was observed in RCTs performed in China (0.30, 0.16–0.54; p < 0.0001) and not elsewhere (0.75, 0.48–1.18; p = 0.21). In six PFT-GT RCTs, RRs were: MB, 0.91 (0.64–1.28, p = 0.58); MACE, 0.82 (0.56–1.19; p = 0.30): 0.62 (0.42–0.93; p = 0.02) in China, 1.08 (0.82–1.41; p = 0.53) elsewhere. In eight HTPR-Therapy RCTs, RRs were: MB, 0.71 (0.41–1.23; p = 0.22); MACE, 0.57 (0.44–0.75; p < 0.0001): 0.56 (0.43–0.74, p < 0.0001) in China, 0.58 (0.27–1.23, p = 0.16) elsewhere.

Conclusion No GT strategy affected MB. Overall, genotype-GT but not PFT-GT reduced MACE. However, genotype-GT and PFT-GT reduced MACE in China, but not elsewhere. PFT-GT performed poorly compared to HTPR-Therapy, likely due to inaccurate identification of HTPR patients by PFT.

Keywords

ADP - ischemic stroke - meta-analysis

Supplementary Material



Publication History

Received: 14 June 2023

Accepted: 06 August 2023

Accepted Manuscript online:
07 August 2023

Article published online:
05 September 2023

© 2023. Thieme. All rights reserved.

Georg Thieme Verlag KG
Rüdigerstraße 14, 70469 Stuttgart, Germany

Comment to this article:

Strategies for Tailored Antiplatelet Therapy after Percutaneous Coronary Intervention: Unraveling Complexities, Embracing NuancesThromb Haemost 2024; 124(05): 497-499
DOI: 10.1055/a-2177-4220

 

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