Frovatriptan
Frovatriptan (trade name Frova) is a triptan drug developed by Vernalis for the treatment of migraine headaches and for short term prevention of menstrual migraine. The product is licensed to Endo Pharmaceuticals in North America and Menarini in Europe.
Pharmacology
Frovatriptan inhibits excessive dilation of arteries that supply blood to the head. It is available as 2.5 mg tablets.
Frovatriptan has mean terminal elimination half-life of approximately 26 hours, which is substantially longer than other triptans.
Mechanism of action
Frovatriptan is a 5HT receptor agonist, with high affinity for the 5-HT1B/1D receptors. It has no significant effects on the GABAA mediated channel activity and benzodiazepine binding sites.
Adverse effects
Serious but rare cardiac events have been reported in patients with risk factors predictive of CAD. These include: coronary artery vasospasm, transient myocardial ischemia, myocardial infarction, ventricular tachycardia and ventricular fibrillation.
Contraindications