In adults with migraine without aura, a 2-hour VIP infusion induced migraine attacks in 71% of patients, compared with 5% after placebo.
In plain wordsIn adults with migraine, a 2-hour VIP infusion caused migraine attacks in far more people than placebo did.
- Outcome
- IncreaseIncidence of migraine attacks 0-12 hours after infusion
- Study
n = 21
- Comparator
- Placebo
- Analysis
- Primary
- Outcome group
- Pain · Nervous system and cognition
- Studied dose
- Dose not stated · 2 hoursAs given in this study (human).
Measurements
- Patients with migraine attacks
- 71%
- VIP
- Patients with migraine attacks
- 5%
- placebo
Source sentences
Fifteen patients (71%; 95% CI, 48%-89%) developed migraine attacks after VIP compared with 1 patient (5%; 95% CI, 0%-24%) who developed a migraine attack after placebo (P < .001).
3 context sentences(design, population, supporting numbers)
The primary end point was the difference in incidence of experimentally induced migraine attacks during the observational period (0-12 hours) between VIP and placebo.
A randomized, double-blind, placebo-controlled, crossover study was conducted between May and September 2020 at the Danish Headache Center in Copenhagen, Denmark.
Patients were eligible for inclusion if they were ages 18 to 40 years, weighed between 50 and 90 kg, had a diagnosis of migraine without aura as defined by the International Classification of Headache Disorders, and had a migraine frequency of 1 to 6 attacks per month.