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Investigational Enzyme Replacement Therapy Products: Nonclinical Assessment Guidance for Industry October 2019


This guidance is being distributed for comment purposes only.

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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can comment on any guidance at any time (see 21 CFR 10.115(g)(5)), to ensure that the FDA considers your comment on a draft guidance before it begins work on the final version of the guidance, submit either online or written comments on the draft guidance before the close date.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
Rockville, MD 20852

All written comments should be identified with this document's docket number: 2019-21507

Docket Number:
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Guidance Issuing Office
Center for Drug Evaluation and Research

The purpose of this guidance is to help sponsors design and conduct nonclinical studies during development of investigational enzyme replacement therapy (ERT) products. Specifically, this guidance describes the Food and Drug Administration’s (FDA’s) current thinking about the substance and scope of nonclinical information needed to support initiation of clinical trials, ongoing clinical development, and marketing approval for investigational ERT products.