About this trial
This trial compares the efficacy and safety of sphenopalatine ganglion block (SPGB) and intramuscular BOTOX injection in chronic migraine.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Age 18 and 65 years.
Both sexes.
Chronic migraine. Chronic migraine, defined as headaches on ≥15 days per month for ≥3 months, of which ≥8 days meet criteria for migraine without aura or respond to migraine-specific treatment according to International Classification of Headache Disorders-3 Beta.
Disqualifiers
Patients with medication over use headache.
Bleeding disorders.
Abnormal neurological examination.
History of allergy to local anesthetics or BOTOX.
Trial design
Parallel
Treatments tested in this trial
Sphenopalatine block
DrugPatients will receive 2 ml of 2% lidocaine using a nasal applicator in each nostril.
Botulinum Toxin Type A
DrugPatients will receive Botulinum Toxin Type A 100 units administered in a fixed dose and site paradigm.
Treatment groups
Trial outcomes
Primary outcomes
Degree of pain
The patients will be shown how to use the Visual Analogue Scale (VAS); 0-10 point where 0 = no pain and 10 = worst imaginable pain. VAS will be noted as well as after procedure, four-week, and 12-weeks period.
Secondary outcomes
Percentage of patients free of headache
The percentage of patients free of headache at baseline (just before the procedure), after procedure, four-week, and 12-weeks period.
Headache relief rate
Headache relief rate (percentage of patients with 50% or more reduction in headache intensity at four-week and 12-weeks period).
Sponsors and contacts
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