About this trial
This study, which is aimed at comparing the effectiveness of the most frequently used drugs in the first line in primary care for the preventive treatment of migraine (amitriptyline, flunarizine, topiramate and propranolol), is a multicentre, pragmatic, parallel group, open randomised trial. Adults (≥18) candidates for preventive treatment for migraine; those with a frequency of ≥4 monthly migraine days, and who agree to participate in the clinical trial, will be randomised to one of the 4 groups. Sample: 460 patients. The primary outcome will be the reduction in monthly migraine days, comparing amitriptyline, flunarizine and topiramate with propranolol.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
None
Disqualifiers
People diagnosed with migraine who are not candidates for preventive migraine treatment
People diagnosed with chronic migraine (>15 days of headache per month, of which 8 are monthly migraine days)
Not having a smartphone
Simultaneous participation in another clinical trial
Trial design
Parallel
Treatments tested in this trial
Topiramate
DrugTreatment will be prescribed for GPs and they will decide the specific dosage 25-100 mg/12h.
Flunarizine
DrugTreatment will be prescribed for GPs and they will decide the specific dosage 2,5-10 mg mg/24h.
Amitriptyline
DrugTreatment will be prescribed for GPs and they will decide the specific dosage 10-75 mg/24h.
Propranolol
DrugTreatment will be prescribed for GPs and they will decide the specific dosage 20-120 mg/12h.
Treatment groups
Trial outcomes
Primary outcomes
To evaluate the effectiveness of the most frequently used drugs in primary care for the preventive treatment of migraine according to the reduction in monthly migraine days, comparing amitriptyline, flunarizine and topiramate with propranolol.
Clinical effectiveness: change in the mean number of monthly migraine days (MMD) at 12 weeks of treatment from baseline.
Secondary outcomes
Calculate the rate of responders (reduction of at least 50% in monthly migraine days compared to baseline)
Proportion of patients responding at 12 weeks from start of treatment; \<25% change in mean number of MMD: non-responders, 25-49%: partial responders, 50-75%: responders, \>75%: excellent responders.
Evaluate effectiveness before completing the clinical trial
Change in mean number of MMDs at 4 and 8 weeks from baseline.
Estimate the reduction in the intensity of migraine attacks
Reduction in the mean number of moderate-severe MMD at 4, 8 and 12 weeks from the start of treatment.
Estimate the prevalence of symptoms associated with migraine
Proportion of patients with associated symptoms at 12 weeks from the start of treatment; photophobia, phonophobia, nausea.
Locations
Sponsors and contacts
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Fundacio d'Investigacio en Atencio Primaria Jordi Gol i Gurina
Lead sponsor
Institut Català de la Salut
Collaborator
Fundació Institut de Recerca de l'Hospital de la Santa Creu i Sant Pau
Collaborator
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