• R M Gallagher.
• University Headache Center, University of Medicine and Dentistry of New Jersey, Moorestown, USA.
• Arch Neurol Chicago. 1996 Dec 1;53(12):1285-91.

BackgroundDespite the benefits of antimigraine medications for patients with migraines, parenteral administration of these drugs has certain disadvantages for at-home patient use.ObjectiveTo examine the safety and efficacy of an intranasal spray formulation of dihydroergotamine mesylate in the treatment of migraines.DesignDouble-blind, placebo-controlled trial in patients with migraines.SettingBoth private and institutional practice.PatientsA total of 348 patients with a diagnosis of migraine according to International Headache Society criteria were recruited; 310 patients qualified for participation.InterventionsPatients self-administered either 2 mg of dihydroergotamine mesylate, 3 mg of dihydroergotamine mesylate, or a placebo for each of 2 moderate to severe migraine headaches using a nasal spray apparatus.Main Outcome MeasuresPatients rated pain severity, functional ability, headache pain relief, incidence and severity of nausea, and the incidence of vomiting, photophobia, and phonophobia prior to treatment (base-line) and again at 0.5, 1, 2, 3, and 4 hours after treatment. Recurrences of headache pain within 24 hours were also noted.ResultsSelf-administration of dihydroergotamine resulted in significant increases in pain relief and functional ability and significant decreases in pain intensity and nausea compared with the placebo. Among patients treated with 2 mg of dihydroergotamine mesylate, 27% considered their migraine resolved (ie, no pain or mild pain) as early as 30 minutes after treatment. By 4 hours after treatment, 70% of these patients' headaches were resolved. Headache pain returned within 24 hours in only 14% of patients whose headaches had been resolved. No serious adverse effects of dihydroergotamine treatment were observed, and the adverse events that did occur were primarily related to the route of administration. The 2-mg dihydroergotamine mesylate dose provided slightly superior pain relief and was associated with fewer adverse events compared with the 3-mg dihydroergotamine mesylate dose.ConclusionsThe present results suggest that intranasal administration of dihydroergotamine represents an important new therapeutic option for migraine sufferers.

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