期刊
PHARMACOTHERAPY
卷 24, 期 4, 页码 526-531出版社
WILEY
DOI: 10.1592/phco.24.5.526.33351
关键词
tegaserod; myocardial infarction; 5-HT; receptor agonist; migraine; triptans; cardiovascular adverse events; cardiovascular risk factors
Serotonin (5-hydroxytryptamine [5-HT])(1) receptor agonists, such as those used for treating migraine, can cause coronary artery contraction, coronary spasm, and even myocardial infarction. Tegaserod maleate is a relatively new 5-HT4 receptor agonist with moderate affinity for the 5-HT1 receptor. Currently, it is approved only for treatment of irritable bowel syndrome in women who have constipation as the primary symptom. However, it is also being administered as a promotility agent in patients with gastroparesis. Since tegaserod has affinity for the 5-HT1 receptor, it is plausible that tegaserod could cause the same types of cardiovascular adverse events seen with agents prescribed for management of migraine. We report the first case of a man who experienced a myocardial infarction after receiving only two 6-mg doses of tegaserod; we also provide a hypothesis regarding this event. When considering prescribing a drug with 5-HT1 receptor agonist activity, clinicians should review the patient's medical history specifically for the presence of underlying cardiovascular risk factors.
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