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Although you can comment on any guidance at any time (see 21 CFR 10.115(g)(5)), to ensure that the FDA considers your comment on a draft guidance before it begins work on the final version of the guidance, submit either online or written comments on the draft guidance before the close date.

If unable to submit comments online, please mail written comments to:

Dockets Management
Food and Drug Administration
5630 Fishers Lane, Rm 1061
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All written comments should be identified with this document’s docket number: FDA-2020-D-1553


Docket Number:
FDA-2020-D-1553
Issued by:

Guidance Issuing Office

Oncology Center of Excellence

Center for Drug Evaluation and Research

Center for Biologics Evaluation and Research

This guidance provides recommendations to sponsors developing drugs or biological products regulated by CDER and CBER for the treatment of breast cancer. Specifically, this guidance includes recommendations regarding the inclusion of premenopausal women, as defined by serum hormonal levels (including but not limited to follicle-stimulating hormone and estradiol), in breast cancer clinical trials. The issues of fertility and fertility preservation when treating premenopausal women with breast cancer are outside the scope of this guidance and are not addressed.

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