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| Methods | Double blinded: yes. | |
| Participants | N=20 Dutch men with symptomatic BPH. Lost to follow‐up: 4 (20%). | |
| Interventions | Control: placebo Treatment: P. africanum extract (Tadenan) 75 mg daily Treatment duration: 12 weeks. | |
| Outcomes | Overall improvement in symptoms; Nocturia; peak urine flow. | |
| Notes | ||
| Risk of bias | ||
| Bias | Authors' judgement | Support for judgement |
| Allocation concealment (selection bias) | Unclear risk | B ‐ Unclear |
