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.
23 citations
,
January 2001 in “Chemical & Pharmaceutical Bulletin” This study found that several synthesized pregnane derivatives exhibited significant inhibitory effects on testosterone conversion to dihydrotestosterone and reduced related androgenic parameters in multiple pharmacological models.
7 citations
,
June 1989 in “Steroids” In this study, the synthesis of C-4 and C-6 bridged haptens of 11 alpha-hydroxyprogesterone revealed an unexpected formation of a C-4 substituted product using a 6-bromo derivative, contrary to prior reports.
15 citations
,
April 2008 in “Steroids” This study found that pregnane derivatives with higher lipophilicity, like compound 9d, had stronger androgen receptor binding and greater antiandrogenic effects in rats, correlating relative binding affinity with log P values.
22 citations
,
January 2001 in “Chemical & Pharmaceutical Bulletin” This study found that two new progesterone derivatives showed higher antiandrogenic effects and 5α-reductase inhibition than finasteride in hamsters, particularly reducing seminal vesicle weight and flank organ size.