BiDil is the first heart failure medication specifically indicated for African American patients
BiDil is indicated for the treatment of heart failure as an adjunct to standard therapy in self-identified African American patients to improve survival, to prolong time to hospitalization for heart failure, and to improve patient-reported functional status. There is little experience in patients with NYHA* class IV heart failure.1
BiDil is a Class 1A recommendation from the American College of Cardiology Foundation and the American Heart Association.2
*NYHA=New York Heart Association.
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INDICATIONS AND USAGE
BiDil is indicated for the treatment of heart failure as an adjunct to standard therapy in self-identified black patients to improve survival, to prolong time to hospitalization for heart failure, and to improve patient-reported functional status. There is little experience in patients with NYHA class IV heart failure. Most patients in the clinical trial supporting effectiveness (A-HeFT) received a loop diuretic, an angiotensin converting enzyme inhibitor or an angiotensin II receptor blocker, and a beta blocker, and many also received a cardiac glycoside or an aldosterone antagonist.
IMPORTANT SAFETY INFORMATION
BiDil is contraindicated in patients who are allergic to organic nitrates, or who take phosphodiesterase type 5 (PDE5) inhibitors, such as avanafil, sildenafil, tadalafil, or vardenafil, or soluble guanylate cyclase (sGC) stimulator (riociguat). Concomitant use can cause hypotension.
WARNINGS AND PRECAUTIONS
Hydralazine hydrochloride has been reported to cause a drug-induced systemic lupus erythematosus (SLE) syndrome. Symptoms and signs usually regress when hydralazine hydrochloride is discontinued.
Symptomatic hypotension, particularly with upright posture, may occur with even small doses of BiDil. Hypotension is most likely to occur in patients who have been volume or salt depleted; correct prior to initiation of BiDil. Hydralazine hydrochloride can cause tachycardia and hypotension potentially leading to myocardial ischemia and angina, particularly in patients with hypertrophic cardiomyopathy.
Hydralazine hydrochloride has been associated with peripheral neuritis, evidenced by paresthesia, numbness, and tingling, which may be related to an antipyridoxine effect. Pyridoxine should be added to BiDil therapy if such symptoms develop.
ADVERSE REACTIONS
Most common adverse reactions (> 5% more on BiDil than on placebo) were headache and dizziness.
The full Prescribing Information for BiDil is available here.
References: 1. BiDil [package insert]. Atlanta, GA: Arbor Pharmaceuticals, Inc; 2015. 2. Yancy CW, Jessup M, Bozkurt B, et al. 2013 ACCF/AHA guideline for the management of heart failure: a report of the American College of Cardiology Foundation/American Heart Association Task Force on Practice Guidelines. J Am Coll Cardiol. 2013;62(16):pe147-pe239.