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  1. Regulatory Information

GUIDANCE DOCUMENT

Regulatory Classification of Pharmaceutical Co-Crystals February 2018

Final

Regulatory Classification of Pharmaceutical Co-Crystals

Issued by:
Guidance Issuing Office
Center for Drug Evaluation and Research

This guidance provides applicants planning to submit new drug applications (NDAs) and abbreviated new drug applications (ANDAs) with information on the appropriate regulatory classification of pharmaceutical co-crystal solid-state forms. This guidance also provides information about the data that applicants should submit to support the appropriate classification of a co-crystal as well as the regulatory implications of the classification.


Submit Comments

Submit comments on this guidance document electronically via docket ID: FDA-2013-S-0610 - Specific Electronic Submissions Intended For FDA's Dockets Management Staff (i.e., Citizen Petitions, Draft Proposed Guidance Documents, Variances, and other administrative record submissions)

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

Division of Dockets Management (HFA- 305)
Food and Drug Administration
5630 Fishers Lane, Rm. 1061
Rockville, MD 20852

All comments should be identified with the title of the guidance.