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Triptan use after starting prophylactic migraine treatment: a retrospective cohort study in a primary care population.

Smelt, A.F.H., Assendelft, W.J.J., Dijk, C.E. van, Blom, J.W. Triptan use after starting prophylactic migraine treatment: a retrospective cohort study in a primary care population. Cephalalgia: 2014, 34(11), 927-932
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Background: Clinical trials on the prophylactic effect of propranolol and metoprolol for migraine show that starting this medication leads to a decrease in the use of attack medication of 0.9–8.9 doses per month. However, studies in daily practice are lacking. Methods: We compared the number of triptans prescribed in the six months before and the six months after the start of propranolol/metoprolol in a Dutch national representative primary care cohort. Results: Of the 168 triptan-using patients who started with propranolol or metoprolol, the number of triptans prescribed before starting was 4.6 doses per month. The number of triptans prescribed six months before compared with six months after starting propranolol/metoprolol decreased with 1.0 dose per month (Wilcoxon rank test; p=0.000). Conclusion: In this primary care population, although the number of triptans prescribed decreased after starting propranolol or metoprolol, the decrease is relatively small compared to data from clinical trials. (aut.ref.)
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