• Jan Lewis Brandes, David B Kudrow, John F Rothrock, Marcia F T Rupnow, Diane L Fairclough, and Steven J Greenberg.
• Nashville Neuroscience Group, 300 20th Ave N, Suite 603, Nashville, TN 37203, USA. jbrandes@nashvilleneuroscience.com
• Mayo Clin. Proc. 2006 Oct 1;81(10):1311-9.

ObjectiveTo assess the impact of topiramate on the daily activities of patients with migraine.Patients And MethodsWe performed a randomized, double-blind, placebo-controlled multicenter trial Initiated on March 1, 2001, and completed on April 4, 2002. Patient-reported data from the Migraine Specific Questionnaire (MSQ) and the Medical Outcomes Study 36-item Short-Form Health Survey (SF-36) were collected at baseline and at weeks 8, 16, and 26 from an intent-to-treat population receiving either topiramate, 50, 100, or 200 mg/d, or placebo. Two activity-related MSQ domains (role restrictive [MSQ-RR] and role prevention [MSQ-RP]) and 2 activity-related SF-36 domains (role physical [SF36-RP] and vitality [SF36-VT]) were the prospectively designated secondary outcome measures. The changes in MSQ and SF-36 scores for each treatment group were calculated by measuring the area under the curve from week 8 (the beginning of the maintenance period) through week 26 of the double-blind phase, relative to the prospective baseline. A mixed-effect piecewise linear regression model was used to estimate average domain score over time.ResultsPatients receiving topiramate, 100 or 200 mg/d, had significantly reduced mean monthly (28-day) migraine frequency (P = .008 and P < .001, respectively) compared with placebo, but not patients receiving topiramate, 50 mg/d (P = .48). Topiramate significantly improved mean MSQ-RR domain scores (50 mg/d [P = .02], 100 mg/d [P< .001], and 200 mg/d [P < .001]) and mean MSQ-RP domain scores (50 mg/d [P = .007], 100 mg/d [P = .001], and 200 mg/d [P= .002]) vs placebo. Topiramate, 100 and 200 mg/d, significantly improved mean SF36-RP domain scores vs placebo (P = .02). Topiramate (all doses) improved SF36-VT domain scores, although not significantly vs placebo. Changes in prospectively designated domain scores were significantly correlated with changes in mean monthly migraine frequency (P < or = .001 [MSQ domains], P < or = .002 [SF-36 domains]).ConclusionPatient-reported migraine-specific outcomes measured by the MSQ-RR and MSQ-RP domains improved significantly for those receiving topiramate (all doses) vs placebo. The SF36-RP domain scores improved significantly for patients receiving 100 or 200 mg/d of topiramate. Improvements in all 4 prospectively selected MSQ and SF-36 domains were significantly correlated with decreases in mean monthly migraine frequency.

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