• A D Rothner, P Winner, R Nett, M Asgharnejad, A Laurenza, R Austin, and M Peykamian.
• The Cleveland Clinic, Cleveland, Ohio 44195, USA. rothned@ccf.org
• Clin Ther. 2000 Dec 1; 22 (12): 1533-46.

ObjectiveThe objective of this study was to determine the 1-year tolerability and efficacy of sumatriptan nasal spray (NS) at doses of 5, 10, and 20 mg for the treatment of acute migraine in adolescents.MethodsThis was a prospective, multicenter, open-label, 1-year, multiple-attack study. Adolescents (aged 12-17 years) with a > or =6-month history of migraine with or without aura, 2 to 8 moderate or severe migraines per month, and a typical migraine duration of > or =4 hours were eligible for participation. After initial treatment with sumatriptan 10 mg, the dose could be adjusted down to 5 mg or up to 20 mg at the investigator's discretion to optimize tolerability or efficacy. Patients could treat an unlimited number of moderate or severe migraine attacks, provided there was a 24-hour headache-free period between treated attacks and a 2-hour period between doses of sumatriptan NS. A second dose of sumatriptan NS was available for headache recurrence 2 to 24 hours after initial treatment; no more than 2 doses could be used within a 24-hour period. Adverse events, vital signs, electrocardiographic and physical findings, and laboratory variables were assessed. Headache response (reduction of moderate/severe predose pain to mild/no pain) and pain-free response (reduction of moderate/severe predose pain to no pain) were reported by patients 2 hours after dosing.ResultsA total of 437 patients treated > or =1 migraine; 3272 total attacks were treated, with 3675 drug exposures (mean, 1.1 dose/attack). Patients had a mean age of 14.1 years, 91% were white, and 53% were female. Seven patients used the 5-mg dose; meaningful conclusions concerning this dose could not be made. Drug-related adverse events were reported in 33% of attacks with the 10-mg dose and 31% with the 20-mg dose; most were related to taste disturbance. Adverse events did not increase with a second dose or over time. Four percent (16/437) of patients withdrew due to drug-related adverse events. One serious adverse event, a facial-nerve ischemic event (10-mg dose), was considered drug related. No drug-related changes in vital signs or electrocardiographic findings were observed. Headache response 2 hours after dosing was reported by 76% of patients taking the 10-mg dose and 72% of those taking the 20-mg dose. Pain-free response 2 hours after dosing was reported by 43% and 40% of patients in the 10- and 20-mg groups, respectively.ConclusionsBased on these results, sumatriptan NS at doses of 10 and 20 mg was well tolerated and effective in the 1-year treatment of multiple migraine attacks in adolescents.

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