UAB researchers determine that using genes to guide medication regimens after getting a heart stent improves outcomes – News – The Mix
Posted: November 7, 2021 at 1:03 am
A study conducted by UAB researchers found that using genetic information for choosing medical treatment after getting a heart stent reduces the risk of potentially fatal cardiovascular events.
Vibhu Parcha, M.D., and Pankaj Arora, M.D.A recent study published inCirculation: Genomic and Precision Medicinefound that using genetic information to prescribe medications following a stents being placed after a heart attack reduces the risk of fatal outcomes in the future. The findings from theUniversity of Alabama at Birminghamsupport the growing trend of using a patients genetic information to guide common prescription medications for safe and effective treatment.
Patients with coronary artery disease who receive a stent to open blocked arteries in the heart often receive medications to prevent the occurrence of a deadly cardiovascular event such as heart attack, stroke or death. However, Vibhu Parcha, M.D., a clinical research fellow in theUAB Heersink School of MedicineDivision of Cardiovascular Disease, says that, depending on an individuals genetics, these medications could become less effective.
Some of us carry a natural variation in our DNA that impairs our ability to metabolize clot-preventing medication, said Parcha, first author of the study. This can sometimes cause these lifesaving medicines to become less effective. Therefore, an approach of using genetic information to prescribe proper medications after placing a stent has been proposed and recently assessed in an international, multicenter randomized clinical trial.
For this study, the researchers used the data from theTAILOR-PCI trial, which was supported by theNational Heart, Lung, and Blood Institute. The trial was conducted in over 5,300 patients to determine whether using the genetic information when prescribing clot-preventing medications reduces the risk of developing any major cardiovascular event compared with the routine approach. The researchers combined the evidence from this study with information from previously conducted investigations.
Based on the evidence from all randomized clinical trials to date combined with the latest evidence from TAILOR-PCI trial, we found that using the genetic information to guide clot-preventing antiplatelet medications further reduces the risk of developing potentially fatal future cardiovascular events, Parcha said.
Through their research, authors of this study found that patients who were treated with a genotype-based approach had a 99 percent lower chance of having a future stroke, heart attack, a blockage of stents and bleeding episodes compared to those who were treated with a routine clinical approach.
Clopidogrel is a generic affordable medication that is widely prescribed, especially in the southeast United States, among patients getting a heart stent, said senior author Pankaj Arora, M.D., a physician-scientist in UABsDivision of Cardiovascular Disease. We can now modify our treatment approach right after getting a heart stent or even later based on the genetic information to ensure that the risk of someones developing a potentially fatal cardiac event is very small.
Arora adds that the current study provides evidence supporting the use of easy and quick genetic testing when someone is getting a stent. This course of treatment will ensure that patients get a precise and tailored medication regimen to prevent any future cardiac events.
Currently, we are seeing a surge of genomics integrated into routine clinical therapy, Arora said. This is a prime example of using precision medicine principles for a tailored evidence-based medication regimen for every patient.
UAB has been leading the effort of a genomics-ready clinical network through its recently launchedUAB Cardiogenomics Clinic. This clinic offers a one-stop shop to help the patients interpret their genetic results, provide genomic counseling, provide a comprehensive cardiovascular assessment, and provide the latest efficacious cardiovascular diagnostics and therapeutics for common cardiovascular conditions such as hypertension, heart attacks, heart failure, stroke, valvular heart disease and diseases of blood vessels. The clinic provides a broad spectrum of cardiology health care services for people of all ages and those with all types of heart diseases in the southeastern United States.
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UAB researchers determine that using genes to guide medication regimens after getting a heart stent improves outcomes - News - The Mix
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