Mandressi 1983.

Study characteristics
Methods	Study design: double‐blind parallel‐group randomized trial Study dates: not available Setting: outpatient, single center, national Country: Italy
Participants	Inclusion criteria: Men between 50 and 80 years old with prostate adenoma diagnosed Men were never treated for prostate adenoma and no other diseases present Exclusion criteria: not available Sample size: 60 randomized participants Age (years): not available IPSS score (baseline): not available Prostate size: not available
Interventions	Group 1 (n = 19): Serenoa repens (Permixon 160 mg twice daily) Group 2 (n = 15): placebo (capsule) Group 3 (n = 15): Pygeum africanum Co‐interventions: none
Outcomes	This study did not report any outcomes relevant to this review. Other outcomes: individual symptom scales
Notes	Funding sources: not available Declarations of interest: not available