| Methods | D: crossover C: unclear B: double WD: 6/25 J: 1‐1‐0 DU: ‐/2x3m (no washout)/‐ | |
| Participants | N: 25/19 D: 6 migraine with, 13 without aura C: Ad Hoc F: 52% A: 19‐61 years DU: not reported S: unclear, USA | |
| Interventions | P: 80 mg C: Placebo | |
| Outcomes | R: 1st period: 5/8 vs. 0/11; pooled: 15/19 vs. 2/19 F: not reported AU: not reported HI: not reported AEs: unclear Dropouts‐AEs: 0/25 vs. 0/25 V: + | |
| Notes | Small crossover trial with extremely positive results | |
| Risk of bias | ||
| Bias | Authors' judgement | Support for judgement |
| Allocation concealment (selection bias) | Unclear risk | B ‐ Unclear |
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