SAR407899 hydrochloride is primarily investigated for its potential therapeutic applications in the field of cardiovascular diseases. It functions as a selective inhibitor of Rho-associated protein kinase (ROCK), which plays a critical role in regulating vascular smooth muscle contraction, cardiac function, and blood pressure. By targeting ROCK, this compound has shown promise in reducing blood pressure and improving outcomes in preclinical studies, particularly in models of hypertension and heart failure. Additionally, it is being explored for its potential to enhance the efficacy of existing cardiovascular therapies. Research is ongoing to evaluate its safety and effectiveness in clinical settings, with the aim of developing it as a novel treatment option for hypertension and heart failure. It is also under investigation for other applications, such as oncology, where ROCK inhibition may inhibit tumor growth and metastasis.