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Clopidogrel Hypersensitivity: Clinical Challenges And Options For Management., Kimberly L Campbell, John R Cohn, Michael P Savage
Clopidogrel Hypersensitivity: Clinical Challenges And Options For Management., Kimberly L Campbell, John R Cohn, Michael P Savage
Division of Cardiology Faculty Papers
Over 90 million patients have been prescribed clopidogrel since its US FDA approval in 1997. Clopidogrel hypersensitivity affects up to 6% of patients, most commonly in the form of a pruritic rash. Symptoms are severe enough to result in drug discontinuation in 1.5% of patients. Premature discontinuation of clopidogrel is problematic following percutaneous coronary intervention because of the risk of stent thrombosis leading to myocardial infarction and death. Accordingly, the management of patients with clopidogrel hypersensitivity is of significant clinical importance. Conventional clopidogrel desensitization protocols, while successful in most patients, employ a washout period off medication to enable accurate detection …