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“Results of in vitro studies using the human adrenal H295R cells treated with the HSD3B2 inhibitor, trilostane , also demonstrated a markedly decreased androstenedione production.”
The Journal of Steroid Biochemistry and Molecular Biology • 2011 | View Paper
“ Trilostane suppressed the intracellular production of androstenedione , testosterone, and dihydrotestosterone from dehydroepiandrosterone in LNCaP-FGC cells.”
“Finally, endocrine studies on postmenopausal women with advanced breast cancer show that Trilostane significantly reduces the plasma levels of estrone and of its major androgen precursor ( androstenedione).”
“ Trilostane is thought to be a competitive inhibitor of the 3beta-hydroxysteroid dehydrogenase (3beta-HSD), an essential enzyme system for the synthesis of cortisol, aldosterone and androstenedione.”