Renin Inhibitors
Renin comes one level higher than Angiotensin Converting Enzyme (ACE) in the Renin-Angiotensin System. Inhibitors of renin can therefore effectively reduce hyptertension. Aliskiren (developed by Novartis) is a renin inhibitor which has been approved by the US-FDA for treatment of hypertension.
Read more about this topic: Antihypertensive Drug