| Methods | D: crossover C: unclear B: double WD: unclear J: 1‐1‐0 DU: 2w/2x1m (2w)/‐ | |
| Participants | N: 12/12 (numbers not fully clear) D: migraine with aura C: World Federation of Neurology Research Group F: 67% A: 30‐49 years DU: unclear S: unclear, Denmark | |
| Interventions | P: 80 mg C: Metoprolol 100 mg | |
| Outcomes | R: not reported F: 2.4 (sem 0.3) vs. 3.1 (0.6) AU: not reported HI: not reported AEs: 0 vs. 0 Dropouts‐AEs: not reported V: uninterpretable | |
| Notes | Small study focusing on laboratory parameters | |
| Risk of bias | ||
| Bias | Authors' judgement | Support for judgement |
| Allocation concealment (selection bias) | Unclear risk | B ‐ Unclear |
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