Regulatory approval

Published by the Food and Drug Administration.

The U.S. Food and Drug Administration granted approval to fulvestrant in combination with ribociclib for the treatment of patients who are postmenopausal women with hormone receptor (HR)-positive, HER2-negative advanced or metastatic breast cancer, as initial endocrine based therapy or following disease progression on endocrine therapy.

This is written in the approval document as:

FASLODEX is an estrogen receptor antagonist indicated for the treatment of HR-positive, HER2-negative advanced or metastatic breast cancer in postmenopausal women in combination with ribociclib, as initial endocrine based therapy or following disease progression on endocrine therapy.

Citation

AstraZeneca UK Limited. Faslodex (fulvestrant) [package insert]. U.S. Food and Drug Administration website. https://www.accessdata.fda.gov/drugsatfda_docs/label/2021/021344s044lbl.pdf. Revised January 2021. Accessed October 30, 2024.

Therapeutic response

Precision oncology relationships for therapeutic response derived from this regulatory approval.

Type	Biomarker(s)	Cancer type	Therapy(ies)
Sensitivity (+)	ER positive, HER2-negative	Invasive Breast Carcinoma	Fulvestrant, Ribociclib
Sensitivity (+)	HER2-negative, PR positive	Invasive Breast Carcinoma	Fulvestrant, Ribociclib
Sensitivity (+)	ER positive, HER2-negative, PR positive	Invasive Breast Carcinoma	Fulvestrant, Ribociclib