The Role of SGLT2-Inhibitors Across All Stages of Heart Failure and Mechanisms of Early Clinical Benefit: From Prevention to Advanced Heart Failure
Abstract
Sodium-glucose cotransporter-2 inhibitors (SGLT2i), initially developed as antihyperglycemic agents, have revolutionized heart failure (HF) management, offering substantial benefits across all stages and phenotypes of the disease. Regardless of left ventricular ejection fraction (LVEF), these agents have proven efficacy in both chronic and acute HF presentations. This review explores SGLT2i applications spanning the HF continuum, from early stages (Stage A) in at-risk individuals to the mitigation of progression in advanced HF (Stage D). Evidence from numerous trials has shown that SGLT2i significantly lower rates of HF hospitalization, improve renal function, and decreases cardiovascular mortality, highlighting their multifaced mechanisms of action in HF care. This review also highlights the potential mechanisms by which SGLT2i exert their beneficial effects on the cardiovascular and renal systems, each contributing to early and sustained clinical improvements. However, the integration of SGLT2i into guideline-directed medical therapy poses practical challenges, including initiation timing, dosing, and monitoring, which are addressed to support effective treatment adaptation across patient populations. Ultimately, this review provides a comprehensive assessment of SGLT2i as a foundational therapy in HF, emphasizing their role as an intervention across multiple stages aimed at improving outcomes across the entire HF spectrum.
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