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Aspirin, one of the most well-known over-the-counter drugs, is the genericized trademark for acetylsalicylic acid, a nonsteroidal anti-inflammatory drug used to reduce pain, fever, and inflammation, and as an antithrombotic.
Whether it’s a headache, a hangover, aspirin has always been handy, providing relief from pain. The same medication, for decades, has been used as the go-to daily medication to help prevent heart attacks and strokes.However, exciting new research from the European Society of Cardiology congress and published in The Lancet has revealed that another well-known drug, which essentially is a blood thinner, has dethroned aspirin and may be even more effective.Read on to know more.
What’s the new drug and discovery?
In a large analysis of patients with coronary artery disease (CAD), a well-known blood thinner called clopidogrel was shown to reduce the risk of major cardiovascular events, like heart attacks, strokes, and related deaths, by 14% more than aspirin, without increasing the risk of major bleeding. This puts clopidogrel in the spotlight as a potentially preferred alternative for long-term heart protection.
At the European Society of Cardiology congress, researchers presented a comprehensive analysis of seven clinical trials involving nearly 29,000 patients with coronary artery disease. The findings revealed that:Clopidogrel reduced the risk of major cardiovascular events by 14% more than aspirin.This benefit applied broadly, including for individuals who might respond less well to clopidogrel due to genetic or clinical factors.Crucially, the risk of major bleeding remained similar in both the clopidogrel and aspirin groups.Experts suggest these results could reshape global treatment guidelines, given clopidogrel’s affordability, widespread availability, and now-proven efficacy.
What is Clopidogrel?
Clopidogrel, commonly known by the brand name Plavix, is an antiplatelet medication. It works by blocking the P2Y12 receptor on platelets, which prevents them from clumping together to form dangerous blood clots.
It’s often used alongside aspirin for patients recovering from procedures like stent placements, and it’s taken orally, with an effect that begins around two hours after intake and lasts for roughly five days.
What about P2Y12 inhibitors and long-term protection?
Adding depth to these findings, other studies, including a meta-analysis published in the BMJ, have examined P2Y12 inhibitor monotherapy (which includes clopidogrel and similar drugs such as ticagrelor) for long-term prevention after patients complete dual antiplatelet therapy following interventions like stent placement.In trials involving over 16,000 patients, P2Y12 inhibitors reduced the combined risk of heart attack, stroke, or cardiovascular death by 23% compared to aspirin alone. Additionally, there was no significant increase in major bleeding. The studies suggest a promising shift toward using these drugs alone for sustained protection.
Why is it an ‘upgrade’?
Aspirin has long been the default antiplatelet option for CAD patients around the world.
But the accumulating evidence supporting clopidogrel's superior protection, with no added risk, is beginning to shift the medical landscape. As highlighted by medical experts, this breakthrough could soon lead to updated treatment guidelines and a widespread adoption of clopidogrel instead of aspirin for long-term care in CAD patients.Why?Better protection: Clopidogrel consistently shows a greater reduction in major adverse cardiac events than aspirin.No increased bleeding: Its safety profile matches aspirin in terms of serious bleeding risks.Affordable and accessible: Widely available as a generic, making it cost-effective for broad use.Effective across groups: Benefits extend to patients with genetic or clinical issues affecting drug response.
Important note to consider
While these results are promising, it’s important to remember that longer-term data and cost-effectiveness studies are still needed before clopidogrel becomes the universal go-to over aspirin. These findings mostly apply to individuals with stable coronary artery disease or those who have undergone procedures like stent insertion. Additionally, some patients may still require combination therapy or alternative medications depending on individual health factors.Hence, patients should always consult their doctors before making any medication changes, and treatment decisions must consider individual risks, genetic factors, and medical history.
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