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Guidance Issuing OfficeCenter for Drug Evaluation and ResearchCenter for Biologics Evaluation and Research
This guidance provides recommendations to sponsors about using metastasis-free survival (MFS) as an endpoint in clinical trials for nonmetastatic castration-resistant prostate cancer (nmCRPC) development programs for drug or biological products regulated by FDA.
The contents of this document do not have the force and effect of law and are not meant to bind the public in any way, unless specifically incorporated into a contract. This document is intended only to provide clarity to the public regarding existing requirements under the law. FDA guidance documents, including this guidance, should be viewed only as recommendations, unless specific regulatory or statutory requirements are cited. The use of the word should in Agency guidances means that something is suggested or recommended, but not required.
You can submit online or written comments on any guidance at any time (see 21 CFR 10.115(g)(5))
If unable to submit comments online, please mail written comments to:
Food and Drug Administration
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All written comments should be identified with this document's docket number: FDA-2018-D-3931.