Study Title

An Exploratory Study on Predicting the Efficacy of Dalpiciclib in Combination With Endocrine Therapy for HR-Positive and HER2-Negative Recurrent/Metastatic Breast Cancer Patients After CDK4/6 Inhibitor Treatment Failure Using 18F-FES PET/CT

Study Details

Description:

CDK4/6 inhibitors are currently the standard treatment for female breast cancer patients with HR+ tumors. However, there is no established standard treatment for patients who experience treatment failure with CDK4/6 inhibitors. The MAINTAIN study has shown clinical benefits by switching to Ribociclib and changing endocrine therapy after progression on CDK4/6 inhibitors. We hypothesize that combining Dalpiciclib with physician-selected endocrine therapy, following treatment failure with CDK4/6 inhibitors, would similarly lead to improved patient survival. In this study, 18F-FES PET/CT will be employed as a non-invasive alternative to biopsy techniques for evaluating the expression of ER in various systemic lesions of the patients.

Contacts:

Bo Pan, M.D

panbopumc@163.com

+86-133-6617-1269

Qiang Sun, M.D.

sunqiang_pumc@163.com

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