ArticleScientific reports2024
Cardiac myosin inhibitor, CK-586, minimally reduces systolic function and ameliorates obstruction in feline hypertrophic cardiomyopathy.
Article in Scientific reports, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Mechanistic diversity within RLC-dependent myosin ATPase inhibitors differentiates EDG-7500, a diastolic-selective cardiac sarcomere modulator.JCI insight · 2026Article
- Cardiac myosin inhibitors - a cutting-edge solution for the management of hypertrophic cardiomyopathy: a narrative review.Annals of medicine and surgery (2012) · 2025Review
- Experimental Models of Hypertrophic Cardiomyopathy: A Systematic Review.JACC. Basic to translational science · 2025Review
- Clinical-Diagnostic and Therapeutic Advances in Feline Hypertrophic Cardiomyopathy.Veterinary sciences · 2025Review
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Authors and funding
13 authors.
Funding
Abstract
Hypertrophic cardiomyopathy (HCM) remains the most common cardiomyopathy in humans and cats with few preclinical pharmacologic interventional studies. Small-molecule sarcomere inhibitors are promising novel therapeutics for the management of obstructive HCM (oHCM) patients and have shown efficacy in left ventricular outflow tract obstruction (LVOTO) relief. The objective of this study was to explore the 6-, 24-, and 48-hour (h) pharmacodynamic effects of the cardiac myosin inhibitor, CK-586, in six purpose-bred cats with naturally occurring oHCM. A blinded, randomized, five-treatment group, crossover preclinical trial was conducted to assess the pharmacodynamic effects of CK-586 in this oHCM model. Dose assessments and select echocardiographic variables were assessed five times over a 48-h period. Treatment with oral CK-586 safely ameliorated LVOTO in oHCM cats. CK-586 treatment dose-dependently eliminated obstruction (reduced LVOTOmaxPG), increased measures of systolic chamber size (LVIDs Sx), and decreased select measures of heart function (LV FS% and LV EF%) in the absence of impact on heart rate. At all tested doses, a single oral CK-586 dose resulted in improved or resolved LVOTO with well-tolerated, dose-dependent, reductions in LV systolic function. The results from this study pave the way for the potential use of CK-586 in both the veterinary and human clinical setting.
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