The Annals of pharmacotherapy · 2001
Intracerebral hemorrhage following possible interaction between celecoxib and clopidogrel.
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Fisher A A, Le Couteur D G
Аннотация
OBJECTIVE: To report a case of intracerebral hemorrhage following short-term, concomitant use of celecoxib and clopidogrel.
CASE SUMMARY: An 86-year-old white woman with a medical history of paroxysmal atrial fibrillation, heart failure, osteoarthritis, peptic ulcer disease, chronic airway limitation, and surgery for carcinoma of the bowel and breast began clopidogrel therapy following a syncopal episode. She also began taking celecoxib for osteoarthritis at the same time. Three weeks later, she presented with headaches and left hemiparesis. Computed tomography scan revealed intracerebral hemorrhage that had not been previously detected. Celecoxib and clopidogrel were discontinued, and she recovered fully.
DISCUSSION: This is the first case describing a possible interaction between celecoxib and clopidogrel. A pharmacokinetic interaction mediated by CYP2C9 is possible. However, the hemorrhage may have been secondary to the effects of either drug alone or concomitant disease.
CONCLUSIONS: Celecoxib and clopidogrel have favorable risk profiles and, therefore, are prescribed widely among older people. However, clinicians should recognize that there may be an interaction between celecoxib and clopidogrel that increases the risk of hemorrhage in older people.
CASE SUMMARY: An 86-year-old white woman with a medical history of paroxysmal atrial fibrillation, heart failure, osteoarthritis, peptic ulcer disease, chronic airway limitation, and surgery for carcinoma of the bowel and breast began clopidogrel therapy following a syncopal episode. She also began taking celecoxib for osteoarthritis at the same time. Three weeks later, she presented with headaches and left hemiparesis. Computed tomography scan revealed intracerebral hemorrhage that had not been previously detected. Celecoxib and clopidogrel were discontinued, and she recovered fully.
DISCUSSION: This is the first case describing a possible interaction between celecoxib and clopidogrel. A pharmacokinetic interaction mediated by CYP2C9 is possible. However, the hemorrhage may have been secondary to the effects of either drug alone or concomitant disease.
CONCLUSIONS: Celecoxib and clopidogrel have favorable risk profiles and, therefore, are prescribed widely among older people. However, clinicians should recognize that there may be an interaction between celecoxib and clopidogrel that increases the risk of hemorrhage in older people.