19 citations
,
June 1999 in “Steroids” This study found that compound 10 inhibited testosterone conversion to DHT in hamster flank organs and seminal vesicles, whereas compound 11's inhibitory effect varied with dose, linked to halogen electronegativity differences.
15 citations
,
May 2009 in “Steroids” This study found that progesterone derivatives with chlorine or bromine substituents were effective in inhibiting 5α-reductase activity in human prostate and exhibited antiandrogenic effects in hamster flank organs.
17 citations
,
August 2011 in “Current Medicinal Chemistry” This review summarizes recent advancements in steroidal 5α-reductase inhibitors for benign prostatic hyperplasia and reports no new clinical results.
13 citations
,
January 2005 in “Chemical and Pharmaceutical Bulletin” This study reported that newly synthesized progesterone derivatives significantly reduced prostate weight in testosterone-treated hamsters, with 5alpha-reductase inhibitory activity dependent on the size of the substituent at C-17.
17 citations
,
May 1998 in “Steroids” This study constructed a model to predict finasteride's inhibitory activity on 5α-reductase type 2 and calculated that a 1 μM plasma concentration, after 50 mg administration, matches prostate inhibition levels.