Table 2. Recent clinical studies of finasteride for MAA and ED.

Study	Study type	Population	ED scale	Findings
Liu et al (2016) [30]	Meta-analysis	4,493	Questionnaire	No connections with ED
Hagberg et al (2016) [31]	Cohort	12,346	Medical record	No connections with ED
Chiriacò et al (2016) [35]	Retrospective	79	Questionnaire	Increases the risk of ED
Narasimhalu (2015) [36]	Randomized	586	Questionnaire	No connections with ED

MAA: male androgenic alopecia, ED: erectile dysfunction.