Formestane, formerly sold under the brand name Lentaron among others, is a steroidal, selective aromatase inhibitor which is used in the treatment of estrogen receptor-positive breast cancer in postmenopausal women. The drug is not active orally, and was available only as an intramuscular depot injection.
Formestane, formerly marketed as Lentaron, is a steroidal aromatase inhibitor used to treat estrogen receptor-positive breast cancer in postmenopausal women. The drug is not orally active and was only available as an intramuscular depot injection.