Among patients who had a cardiac stent inserted after a heart attack, switching to less-potent dual antiplatelet therapy (DAPT) after 30 days was safer and more effective in preventing adverse events a year later than continuing on a high-potency DAPT regimen, according to data presented at the American College of Cardiology s 70th Annual Scientific Session.
May 17, 2021
A de-escalation antiplatelet strategy of switching from the more-potent ticagrelor (Brilinta; AstraZeneca) to clopidogrel at 1 month after PCI for acute MI is superior to continuing on ticagrelor and aspirin in terms of net clinical benefit, according to the TALOS-AMI trial.
“This study was conducted only in South Korea. However, although the prevalence of the CYP2C19 loss-of-function allele is significantly higher in Koreans than in other ethnic groups, this study showed the clinical safety of switching in this population, suggesting the potential of applying this de-escalation strategy to other ethnic groups,” said Kiyuk Chang, MD, PhD (The Catholic University of Korea, Seoul, Republic of Korea), who presented the findings in a late-breaking clinical trial session yesterday at the American College of Cardiology 2021 Scientific Session.
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