The addition of clopidogrel on top of aspirin may reduce the occurrence of new-onset migraine headache episodes following transcatheter ASD closure.
The objective is to evaluate the incidence and severity of new-onset migraine headache episodes following transcatheter ASD closure in patients treated with aspirin alone compared to those on aspirin + clopidogrel therapy as antithrombotic treatment after the procedure. This is a prospective, randomized, double blind, multicenter study, including patients with no previous history of migraine attacks who have been diagnosed with an ASD and for whom transcatheter ASD closure has been clinically indicated. Patients will be randomized either to aspirin (80 mg/day) or aspirin (80 mg/day) + clopidogrel (75 mg/day) for 3 months following ASD closure. The occurrence and severity of migraine headaches will be evaluated by a neurologist using a structured headache questionnaire at 1 month and 3 months following ASD closure. An additional 6 month and 1 year follow-up evaluation will be exploratory according to local feasibility.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
PREVENTION
Masking
QUADRUPLE
Enrollment
220
Patients will be randomized either to aspirin (80 mg/day) or aspirin (80 mg/day) + clopidogrel (75 mg/day) for 3 months following ASD closure.
Hopital Laval
Québec, Canada
Mean number of monthly migraine days per patient within the 3 months following transcatheter ASD closure.
Time frame: 3 months
Severity of migraine attacks following ASD closure as evaluated by the intensity of migraine episodes and the Migraine Disability Assessment (MIDAS) questionnaire at 3-month follow-up after ASD closure.
Time frame: 3 months
Incidence of bleeding complications at 3-month follow-up.
Time frame: 3 months
Percentage of patients with new-onset migraine attacks.
Time frame: 3 months
Time to first migraine episode.
Time frame: 3 months
Percentage of patients with migraine headaches at 6-month and 1-year follow-up (exploratory only according to local feasibility).
Time frame: 1 year
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