Intranasal Sumatritan new two-way delivery system applied at a dose of 20 mg and 10 mg (vs. placebo) was used in 117 patients to treat migraine. Was found to improve the effectiveness of Sumatriptan 20mg (57%) and 10mg (54%) after 120 minutes compared with placebo.
Side effects in relation to treatment were rare, most "metallic taste" (13/10%).