Effect of low-intensity acenocoumarol on frequency and severity of migraine attacks |
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Authors: | Wammes-van der Heijden Elisabeth A Smidt Martijn H Tijssen Cees C van't Hoff Annelies R Lenderink Albert W Egberts Antoine C G |
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Institution: | Utrecht Institute for Pharmaceutical Sciences, Pharmacoepidemiology and Pharmacotherapy, Utrecht, The Netherlands. |
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Abstract: | OBJECTIVE: To investigate the effect of low-intensity acenocoumarol treatment (target INR 1.5 to 2.0) on the frequency and severity of migraine attacks. BACKGROUND: The positive effect of anticoagulation on migraine has been described in case reports and observational studies. METHODS: We conducted a randomized, open, crossover study in migraine patients. After a run-in period of 8 weeks, all patients received acenocoumarol or propranolol during a period of 12 weeks and, after a washout period of 2 weeks, propranolol or acenocoumarol during a second period of 12 weeks. RESULTS: Nineteen patients fulfilling the criteria were included. In 12 patients with complete data collection, only one good responder could be noted. In the other patients, treatment with low-intensity acenocoumarol did not show improvement of migraine symptoms compared with the run-in period. Treatment with propranolol showed a trend towards improvement compared with the run-in period. No serious adverse events were observed. CONCLUSIONS: Overall, low-intensity acenocoumarol treatment has no prophylactic effect in migraine patients. |
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Keywords: | migraine anticoagulation acenocoumarol migraine prophylaxis |
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