A Study of the Efficacy and Safety of Topiramate in the Prevention of Migraine

Last updated: November 18, 2010
Sponsor: Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
Overall Status: Completed

Phase

3

Condition

Pain (Pediatric)

Migraine (Adult)

Migraine (Pediatric)

Treatment

N/A

Clinical Study ID

NCT00231595
CR003208
  • Ages 12-65
  • All Genders

Study Summary

The purpose of this study is to evaluate the safety and efficacy of three doses of topiramate (50 milligrams[mg], 100mg, and 200mg per day) compared with placebo in the prevention of migraine. The study will also assess the dose response relationship and the efficacy of treatment with topiramate versus placebo on Health-Related Quality of Life.

Eligibility Criteria

Inclusion

Inclusion Criteria:

  • Medical history consistent with migraine with or without aura according to theInternational Headache Society (IHS) for at least 6 months prior to the study

  • Between 3 to 12 migraine periods and no greater than 15 headache days (migraine andnon-migraine) per month during the Baseline Phase

  • No clinically significant abnormalities on neurological exams, electrocardiogram (ECG)or clinical laboratory test results at baseline

  • Female patients must be postmenopausal for at least 1 year, surgically incapable ofchildbearing, practicing abstinence, or practicing an acceptable method ofcontraception (requires negative pregnancy test)

Exclusion

Exclusion Criteria:

  • Patients with headaches other than migraine

  • Patients with episodic tension or sinus headaches

  • Onset of migraine after age of 50 years

  • Patients who have failed more than two adequate regimens for migraine prophylaxis

  • Patients who overuse pain medications or certain other medications

Study Design

Total Participants: 768
Study Start date:
March 01, 2001
Estimated Completion Date:
November 30, 2002

Study Description

This is a randomized, double-blind, placebo-controlled, parallel-group, multi-center study to evaluate the efficacy and safety of three different doses of topiramate (50mg, 100mg, and 200mg daily) in migraine prophylaxis. The study consists of five phases: Baseline (determination of whether patients meet the eligibility criteria and tapering of any migraine medication patients are already taking), Double-Blind (patients receive either 50 milligrams[mg], 100mg, 200mg of topiramate, or placebo), Blinded Transition Phase (doses of study medication are adjusted over 7 weeks in preparation for the Open-Label Extension Phase), Open-Label Extension Phase (patients continue the study medication in open-label manner for up to 6 months; doses are adjusted to maximize effectiveness and minimize side effects), Taper/Exit Phase (study medication is slowly discontinued over 2 weeks). The primary study hypothesis is that one or more of the three doses of topiramate (50, 100, 200 mg/day) will be superior to placebo in the prophylaxis of migraine based on the change in monthly (28 day) migraine period rate from the Prospective Baseline Period to the Double-Blind Phase. Topiramate tablets (50milligrams [mg], 100mg, 200mg, or placebo) taken by mouth as twice-daily regimen during the 26-week Double-Blind Phase. Doses are adjusted and continued during the 6 month Open-Label Extension Phase after which they are tapered over 2 weeks.