Table 1. Recent clinical studies of finasteride for BPH and ED.

Study	Study type	Population	ED scale	Findings
Corona et al (2017) [29]	Meta-analysis	46,733	Questionnaire	Increases the risk of ED
Liu et al (2016) [30]	Meta-analysis	6,779	Questionnaire	Increases the risk of ED
Hagberg et al (2016) [31]	Cohort	71,849	Medical record	No connections with ED
Traish et al (2015) [32]	Retrospective	470	Questionnaire	Increases the risk of ED
Fwu et al (2014) [33]	Multicenter, randomized	2,783	Questionnaire	Increases the risk of ED

BPH: benign prostatic hyperplasia, ED: erectile dysfunction.