About this trial
Pramlintide is a peptide analogue of human amylin which is a vasoactive signaling molecule involved in the pathogenesis of migraine. This study investigates whether pramlintide induces migraine attacks without aura in people with migraine without aura.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Age 18 to 65 years of age upon entry into screening
A body weight of 50 to 100 kg
History of migraine without aura for ≥12 months and in accordance with ICHD-3
Between 1-5 monthly migraine days without aura on average across the 3 months prior to screening
Disqualifiers
Any history of a primary or secondary headache disorder other than migraine without aura and infrequent episodic tension-type headache
Any history of moderate to severe traumatic brain injury
Any history of cardiovascular disease, including cerebrovascular diseases
Any history of pulmonary disease
Trial design
Crossover
Treatments tested in this trial
Amylin
DrugThe participants will receive continuous intravenous infusion of 20 mL (6 μg/min) of pramlintide (amylin) over 20 minutes.
Placebo
DrugThe participants will receive continuous intravenous infusion of 20 mL of placebo (isotonic saline) over 20 minutes.
Treatment groups
Trial outcomes
Primary outcomes
Incidence of migraine attacks without aura
The difference in the incidence of migraine attacks without aura between pramlintide and placebo during the 12-hour observational period after infusion start.
Secondary outcomes
Headache intensity scores
The secondary outcome is the difference in the area under the curve (AUC) for median headache intensity scores between pramlintide and placebo during the 12-hour observational period after infusion start.
Other outcomes
Superficial temporal artery dilation
The difference in AUC for relative superficial temporal artery (STA) dilation between pramlintide and placebo from the start of infusion to 2 hours after the infusion.
Middle cerebral artery blood flow velocity
The difference in AUC for change in middle cerebral artery (MCA) mean blood flow velocity between pramlintide and placebo from the start of infusion to 2 hours after the infusion.
Sponsors and contacts
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