Use of vericiguat in the VICTOR trial: a study that is difficult to interpret
Abstract
Vericiguat is a soluble guanylate cyclase stimulator that acts by restoring the nitric oxide-cyclic guanosine monophosphate pathway, which is markedly impaired in heart failure with reduced ejection fraction (HFrEF). The VICTORIA trial demonstrated that treatment with vericiguat leads to a significant reduction in mortality and morbidity in patients with HFrEF and a recent episode of clinical decompensation. However, the role of vericiguat in clinically stable patients had remained unexplored until the recent publication of the VICTOR trial. In a population receiving optimal medical therapy and characterized by a lower risk of events, vericiguat did not demonstrate a significant reduction in the primary composite endpoint of cardiovascular death and hospitalization for heart failure. When analysing the individual components of the primary endpoint, no benefit was observed with respect to hospitalizations, whereas significant reductions in both cardiovascular and all-cause mortality were reported. This finding, which is highly unusual in the context of recent clinical trials in patients with HFrEF, warrants further consideration when interpreting the results of the study.
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