Allopurinol fails to improve CV outcomes in ischemic heart disease patients: ALL-HEART trial
A recent study found that allopurinol did not improve the primary outcomes in cardiovascular patients aged 60 years or older with ischemic heart disease and no history of gout. The study was published in the journal The Lancet.
Allopurinol is a urate-lowering drug that is used to treat patients with gout. Studies in the past have shown that allopurinol has positive effects on several cardiovascular parameters. The ALL-HEART study aimed to determine whether allopurinol therapy improves major cardiovascular outcomes in patients with ischemic heart disease.
ALL-HEART was a multicenter, prospective, randomized, open-label, blinded-endpoint trial that was conducted in 18 regional centers in England and Scotland, by recruiting patients from 424 primary care practices. Eligible patients aged 60 years or older, with ischemic heart disease but no history of gout were taken into the study. Participants were randomly assigned (1:1), using a central web-based randomization system accessed via a web-based application or an interactive voice response system. Participants were given oral allopurinol up titrated to a dose of 600 mg daily or they could continue usual care. Participants with moderate renal impairment at baseline were given 300 mg daily of allopurinol. The primary outcome was the composite cardiovascular endpoint of non-fatal myocardial infarction, non-fatal stroke, or cardiovascular death. The hazard ratio (allopurinol vs usual care) in a Cox proportional hazards model was assessed for superiority in a modified intention-to-treat analysis. The safety analysis population included all patients in the modified intention-to-treat usual care group and those who took at least one dose of randomized medication in the allopurinol group.
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