Giacobini 1986.

Methods	Double blinded: yes.
Participants	N=21 Italian men with symptomatic BPH. Age range: 48‐70. Lost to follow‐up: 0.
Interventions	Control: placebo (n=7). Treatment 1: P. africanum extract (Tadenan) 200 mg daily (n=7). Treatment 1: P. africanum extract (Tadenan) 200 mg daily + medroxyprogesterone acetate (Farlutal) (n=7). Treatment duration: 90 days.
Outcomes	Peak flow rate; residual volume. Adverse events.
Notes
Risk of bias
Bias	Authors' judgement	Support for judgement
Allocation concealment (selection bias)	Unclear risk	B ‐ Unclear