BACKGROUND: We examined the effects of vericiguat compared with placebo in patients with heart failure with reduced ejection fraction enrolled in VICTORIA (Vericiguat Global Study in Patients With Heart Failure With Reduced Ejection Fraction) on health status outcomes measured by the Kansas City Cardiomyopathy Questionnaire (KCCQ) and evaluated whether clinical outcomes varied by baseline KCCQ score. METHODS: KCCQ was completed at baseline and 4, 16, and 32 weeks. We assessed treatment effect on KCCQ using a mixed-effects model adjusting for baseline KCCQ and stratification variables. Cox proportional-hazards modeling was performed to evaluate the effect of vericiguat on clinical outcomes by tertiles of baseline KCCQ clinical summary score (CSS), total symptom score (TSS), and overall summary score (OSS). RESULTS: Of 5050 patients, 4664, 4741, and 4470 had KCCQ CSS (median [25th to 75th], 65.6 [45.8-81.8]), TSS (68.8 [47.9-85.4]), and OSS (59.9 [42.0-77.1]) at baseline; 94%, 88%, and 82% had data at 4, 16, and 32 weeks. At 16 weeks, CSS improved by a median of 6.3 in both arms; no significant differences in improvement were seen for TSS and OSS between the 2 groups (P=0.69, 0.97, and 0.13 for CSS, TSS, and OSS). Trends were similar at 4 and 32 weeks. Vericiguat versus placebo reduced cardiovascular death or heart failure hospitalization risk similarly across tertiles of baseline KCCQ CSS, TSS, and OSS (interaction P=0.13, 0.21, and 0.65). CONCLUSIONS: Vericiguat did not significantly improve KCCQ scores compared with placebo. Vericiguat reduced the risk of cardiovascular death or heart failure hospitalization across the range of baseline health status. REGISTRATION: URL: https://www. CLINICALTRIALS: gov; Unique identifier: NCT02861534.

Bayer AG Wuppertal Germany

Canadian VIGOUR Centre University of Alberta Edmonton Canada

Charité University Medicine German Heart Center Berlin Germany

Department of Cardiology Institute for Clinical and Experimental Medicine Prague Czech Republic

Department of Medicine University of Mississippi Medical Center Jackson

Division of Cardiology Duke University School of Medicine Durham NC

Duke Clinical Research Institute Duke University School of Medicine Durham NC

Inova Heart and Vascular Institute Falls Church VA

Merck and Co Inc Kenilworth NJ

National Heart Centre Singapore Duke National University of Singapore

Royal Brompton Hospital London United Kingdom

University of Arizona Sarver Heart Center Tucson

University of Groningen the Netherlands

University of Missouri Kansas City School of Medicine

University of Utah School of Medicine Salt Lake City

Wroclaw Medical University Poland

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ClinicalTrials.gov
NCT02861534