Abiraterone acetate treatment lowers 11-oxygenated androgens.

ABSTRACT:

Context

The human adrenal is the dominant source of androgens in castration-resistant prostate cancer (CRPC) and classic 21-hydroxylase deficiency (21OHD). Abiraterone, derived from the prodrug abiraterone acetate (AA), inhibits the activity of cytochrome P450 17-hydroxylase/17,20-lyase (CYP17A1), the enzyme required for all androgen biosynthesis. AA treatment effectively lowers testosterone and androstenedione in 21OHD and CRPC patients. The 11-oxygenated androgens are major adrenal-derived androgens, yet little is known regarding the effects of AA administration on 11-oxygenated androgens.

Objective

To test the hypothesis that AA therapy decreases 11-oxygenated androgens.

Design

Samples were obtained from 21OHD or CRPC participants in AA or AA plus prednisone (AAP)-

SUBMITTER: Wright C 

PROVIDER: S-EPMC7096060 | biostudies-literature | 2020 Apr

REPOSITORIES: biostudies-literature