The one-year prevalence of migraine in Spain is 12.6%, with a prevalence of migraine with and without aura of 8.4% and probable migraine of 4.2%. These findings add data to the current understanding of migraine.
Lamotrigine should be considered in clinical practice for the preventive treatment of selected patients with disturbing migraine auras. Lamotrigine seems worthy of a controlled trial as prophylaxis of migraine aura.
Rizatriptan is a selective 5-HT1B/1D receptor agonist with rapid oral absorption and early onset of action in the acute treatment of migraine. This randomized double- blind crossover outpatient study assessed the preference for 1 rizatriptan 10 mg tablet to 2 ergotamine 1 mg/caffeine 100 mg tablets in 439 patients treating a single migraine attack with each therapy. Of patients expressing a preference (89.1%), more than twice as many preferred rizatriptan to ergotamine/caffeine (69.9 vs. 30.1%, p ≤ 0.001). Faster relief of headache was the most important reason for preference, cited by 67.3% of patients preferring rizatriptan and 54.2% of patients who preferred ergotamine/caffeine. The co-primary endpoint of being pain free at 2 h was also in favor of rizatriptan. Forty-nine percent of patients were pain free 2 h after rizatriptan, compared with 24.3% treated with ergotamine/caffeine (p ≤ 0.001), rizatriptan being superior within 1 h of treatment. Headache relief at 2 h was 75.9% for rizatriptan and 47.3% for ergotamine/caffeine (p ≤ 0.001), with rizatriptan being superior to ergotamine/caffeine within 30 min of dosing. Almost 36% of patients taking rizatriptan were pain free at 2 h and had no recurrence or need for additional medication within 24 h, compared to 20% of patients on ergotamine/caffeine (p ≤ 0.001). Rizatriptan was also superior to ergotamine/caffeine in the proportions of patients with no nausea, vomiting, phonophobia or photophobia and for patients with normal function 2 h after drug intake (p ≤ 0.001). More patients were (completely, very or somewhat) satisfied 2 h after treatment with rizatriptan (69.8%) than at 2 h after treatment with ergotamine/caffeine (38.6%, p ≤ 0.001). Recurrence rates were 31.4% with rizatriptan and 15.3% with ergotamine/caffeine. Both active treatments were well tolerated. The most common adverse events (incidence ≧5% in one group) after rizatriptan and ergotamine/caffeine, respectively, were dizziness (6.7 and 5.3%), nausea (4.2 and 8.5%) and somnolence (5.5 and 2.3%).
Background.-In the current literature, there is neither a reported systematic review comparing the efficacy of triptans at 30 minutes and 1 hour after the migraine treatment, nor data related to efficacy of new marketed triptans.Objective.-The main objective of this analysis was to compare the efficacy and tolerability of currently marketed oral, non-reencapsulated triptan formulations vs placebo in the treatment of moderate-to-severe migraine attacks.Methods.-A systematic review of double-blind, randomized clinical trials reporting data after a single migraine attack was conducted. Efficacy results are shown using relative risk ratios with 95% confidence intervals. A sensitivity analysis was also conducted.Results.-After reviewing 221 publications, 38 studies were included. All marketed triptans provided significant relief and/or absence of pain at 2 hours, and relief at 1 hour when compared with placebo. After 30 minutes, fastdissolving sumatriptan 50 and 100 mg, sumatriptan 50 mg, and rizatriptan 10 mg showed significant relief when compared to placebo, whereas the fast-dissolving formulation of sumatriptan 100 mg was the only oral triptan that was superior to placebo in meeting the pain-free endpoint. On the other hand, fast-dissolving sumatriptan 50 and 100 mg and eletriptan 40 mg showed a lower rate of recurrence than placebo, whereas rizatriptan 10 mg was the only triptan with a recurrence rate greater than that of placebo. Adverse events associated with treatment with tablet formulations of sumatriptan and zolmitriptan were significantly more frequent than those of the placebo group.The inclusion of trials with reencapsulated triptans in the analysis introduced minor specific changes in these results.Conclusion.-This analysis updates the comparative data available for the 7 currently marketed oral triptans and clearly demonstrates their efficacy when compared to placebo, even with stricter endpoints, such as efficacy at 30 minutes. No triptan exhibited better tolerability than placebo. Results are diverse, depending on the triptan, which probably is a reflection of heterogeneous pharmacokinetics.
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