In these aquatic laboratory studies, researchers found that Finasteride reduced dihydrotestosterone levels in fathead minnows and increased gene expression related to androgen pathways in both minnows and medaka, indicating potential conservation of pharmaceutical effects on androgen biosynthesis across different species.
25 citations
,
July 2013 in “Environmental Toxicology and Chemistry” This study found that spironolactone reduced fish fecundity and caused masculinization of females at certain concentrations, while having no effect on Daphnia magna reproduction, underscoring concerns for environmental exposure to vertebrates.
1 citations
,
January 2011 in “Brunel University Research Archive (BURA) (Brunel University London)” This study suggests that dutasteride does not present a significant risk to wild fish populations at typical environmental concentrations, but its notable bioaccumulation requires further investigation.
310 citations
,
November 2011 in “Environment International” This study suggests that increased use of anticancer drugs from 2004 to 2008 has led to higher environmental release, necessitating expanded monitoring and research on their ecotoxicological impacts.
60 citations
,
November 2009 in “General and Comparative Endocrinology” The researchers reported that during early embryogenesis and larval development in Silurana tropicalis, inhibiting steroidogenic enzymes cyp19 and srd5beta affects genes related to thyroid and reproductive systems.