PRODUCT MONOGRAPH IMITREX DF IMITREX ... - GlaxoSmithKline

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Table 8Percentage of Patients with Headache Relief (0/1) 1 at 2 Hours Post NasalSpray Dose for the Treatment of MigraineStudy Placebo (%) 5 mg (%) 10 mg (%) 20 mg (%)Study 1 2 35%(n=40)67% 3(n=42)67% 3(n=39)78% 3(n=40)Study 2 2 42%(n=31)45%(n=33)66% 3(n=35)74% 3(n=39)Study 3 25%(n=63)49% 3(n=122)46% 3(n=115)64% 3,5(n=119)Study 4 25%(n=151)- 44% 3(n=288)55% 3,5(n=292)Study 5 32%(n=198)44% 3(n=297)54% 3 ,4(n=293)60% 3,5(n=288)Study 6 2 35%(n=100)- 54% 3(n=106)63% 3(n=202)Study 7 2 29%(n=112)- 43%(n=109)62% 3(n=215)1 Headache relief was defined as a decrease in headache severity from severe or moderate to mild or none.n=total number of patients who received treatment.2comparisons between sumatriptan doses not conducted.3 p≤0.05 versus placebo4p≤0.05 vs 5 mg - not evaluated5 p≤0.05 versus lower sumatriptan dosesPatients treated with IMITREX ® Nasal Spray 20 mg achieved relief of more migraineassociatedsymptoms and at earlier time points than patients treated with 5 mg and 10 mgdoses.Menstrually-Associated Migraine:TabletsTwo multicentre, randomized, placebo-controlled studies evaluated IMITREX ® 50 mgand 100 mg Tablets administered during the mild phase of a menstrually-associatedmigraine attack. A total of 816 subjects with a mean age of 37 (18-65 years of age), withat least a 1-year history of migraine, and a 6-month history of regularly occurring MAM,were enrolled and treated. MAM was defined as any migraine beginning on Day -2, to+4 with day 1 = the first day of flow. Patients were instructed to treat a single mild,moderate or severe headache within one hour of mild pain onset.A statistically significantly higher proportion of patients following IMITREX ® 50 mgand 100 mg achieved pain-free status at 2 hours post-dose compared with placebo in thetreatment of menstrually-associated migraine (see Table 9).October 21, 2014Page 28 of 58
Table 9Percentage of Patients with Complete Headache Pain Relief 1 at 2 Hours PostOral Dose for the Treatment of Menstrually-Associated MigraineStudyPlacebo(%)50 mg(%)100 mg(%)Study 1 22(n=132)51*(n=138)58*(n=133)Study 2 29(n=118)51*(n=116)1 Complete Headache Pain Relief is defined as grade 1(mild pain) reduced to grade 0 (no pain).* p
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