In the wake of the ONTARGET study, there is a movement away from using ACE and ARBs in combination for hypertension or general vascular protection. However, the combination is still an option for patients with heart failure where the it has been shown to reduce hospitalization. There remains a question whether the combination can reduce the rate of progression in diabetic nephropathy and other kidney diseases. While the ONTARGET study did include a relatetively small number of patients with nephropathy, it was not designed or powered to show a difference in renal outcomes. A new study, the VA-NEPHRON D, is currently underway to examine the effect of lisinopril plus losartan versus lisinopril plus placebo on the progression of chronic kidney disease. A copy of this study design can be found here. This study should shed light on the role of this medication combination in a disease state with a large unmet therapeutic need.

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