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Guidance Issuing OfficeCenter for Drug Evaluation and ResearchCenter for Biologics Evaluation and Research
This guidance is a revision of the ICH guidance Q8 Pharmaceutical Development (Q8 parent guidance) that published in May 2006. In June 2009, the Q8 parent guidance was revised to add an annex, which provides further clarification of the key concepts outlined in the May 2006 guidance and describes the principles of quality by design (QbD). The Q8(R1) document issued in June 2009 includes the Q8 parent guidance and the annex. This second revision, Q8(R2), provides corrected captions for figures 2a and 2b in Appendix 2, section C.
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
5630 Fishers Lane, Rm 1061
Rockville, MD 20852
All written comments should be identified with this document's docket number: FDA-2005-D-0154.