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Direct Renin Inhibitor-Aliskiren (Tekturna)
This drug is the 1st in a new class of antihypertensives called direct renin inhibitors-1st approved in 2007. This drug, along with three others being developed, inhibits the entire Renin-Angiotensin-Aldosterone System (RAAS) which has been shown to lead to definitive 24 hour blood pressure control.
Why should emergency physicians care, you ask?
- It is only matter of time before we start seeing patients on this drug. I saw my first just a few weeks ago, and according to some of our nephrologists we can expect to see a whole lot more. Emergency Physicians should at the very least know about this new class of drug.
- Side effects of the drug are similar to ACE inhibitors (ACE-I), like hyperkalemia.
- The drug can cause angioedema, so development of angioedema on this drug pretty much takes all three angiotensin drugs (ACE inhibitors, angiotensin receptor blockers, and direct renin inhibitors) off the list of potential BP meds for the patient. All three can cause angioedema.
J Hypertension March 2007