NEW YORK – Sermonix Pharmaceuticals announced on Tuesday that it had dosed the first patient in a Phase II clinical trial of its investigational drug, lasofoxifene, in combination with CDK 4/6 inhibitor abemaciclib (Eli Lilly's Verzenio).
The trial, called ELAINE 2, will evaluate lasofoxifene, a selective estrogen receptor modulator, in combination with abemaciclib in pre- and postmenopausal women with locally advanced, metastatic, estrogen receptor-positive, HER2-negative breast cancer and an ESR1 mutation in their tumors. The primary endpoint is progression-free survival.