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Urate-lowering therapy in cardiovascular pharmacotherapy: from Mendelian randomization data to cardio-renal-metabolic

Claudio Borghi1, Federica Fogacci1,2, Arrigo F G Cicero1,3

  • 1Hypertension and Cardiovascular Risk Research Center, Medical and Surgical Sciences Department, Alma Mater Studiorum University of Bologna, Via Massarenti 9, Bologna 40138, Italy.

Insights

Serum uric acid (SUA) is linked to cardiovascular risk, but urate-lowering therapy (ULT) isn't proven for preventing cardiovascular events in asymptomatic hyperuricemia. Focus ULT on gout and symptomatic cases.

Area of Science:

  • Cardiology
  • Nephrology
  • Metabolic Syndrome

Background:

  • Serum uric acid (SUA) and hyperuricemia are increasingly recognized as cardiovascular (CV) risk factors beyond gout.
  • Hyperuricemia often coexists with obesity, hypertension, diabetes, and chronic kidney disease (CKD).

Purpose of the Study:

  • To review epidemiological, Mendelian randomization (MR), and pharmacological evidence on SUA and urate-lowering therapy (ULT) in cardiovascular pharmacotherapy.
  • To define the role of SUA and ULT in managing cardiovascular risk.

Main Methods:

  • Synthesis of population-based studies, MR analyses, and randomized trials of various urate-lowering drugs (e.g., xanthine oxidase inhibitors, uricosurics, uricases).
  • Analysis of drug-target MR and cardiovascular drugs with urate-modifying effects.
  • Inclusion of large trials and real-world cohorts evaluating ULT in specific cardiovascular conditions.

Main Results:

  • Higher SUA correlates with increased risk of coronary artery disease, heart failure, stroke, cardio-renal-metabolic syndromes, and mortality.
  • MR studies suggest a causal link between genetically elevated SUA and blood pressure, coronary disease, and advanced CKD.
  • Large trials show no consistent CV event reduction with ULT in asymptomatic hyperuricemia or stable cardiovascular disease; however, observational data hint at potential benefits with specific ULT regimens.

Conclusions:

  • Serum uric acid is a cardio-renal-metabolic biomarker and a potential therapeutic target in specific patient phenotypes.
  • Current evidence does not support routine ULT for CV prevention in asymptomatic hyperuricemia.
  • ULT should primarily target gout and symptomatic hyperuricemia, employing phenotype-guided strategies for patient selection.
Abstract

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