“In aged rats, darusentan treatment increased ion excretion (P<0.05), reduced cortical gene expression of αENaC and α1-Na+, K+-ATPase (both P<0.05), and increased plasma aldosterone levels (P<0.01).”
“Treatment with darusentan also reduced cortical expression of αENaC and α1-Na+, K+-ATPase and increased plasma aldosterone levels independently of blood pressure, electrolytes, renin activity, or angiotensin converting enzyme activity.”