Subsequent studies, DAPA-HF (Dapagliflozin and Prevention of Adverse Outcomes in HF) and EMPEROR-Reduced (Empagliflozin Outcome Trial in Patients with Chronic HFrEF (Heart Failure with Reduced Ejection Fraction)), revealed SGLT2 inhibitors’ transformative potential in HF treatment for patients with a reduced EF (ejection fraction) <40%, regardless of T2DM, decreasing hospitalizations, and mortality [9,10]. The gene discussed is SLC5A2; the disease is type 2 diabetes mellitus.