§ 320.30 - Inquiries regarding bioavailability and bioequivalence requirements and review of protocols by the Food and Drug Administration.

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The Commissioner of Food and Drugs strongly recommends that, to avoid the conduct of an improper study and unnecessary human research, any person planning to conduct a bioavailability or bioequivalence study submit the proposed protocol for the study to FDA for review prior to the initiation of the study.

FDA may review a proposed protocol for a bioavailability or bioequivalence study and will offer advice with respect to whether the following conditions are met:

The design of the proposed bioavailability or bioequivalence study is appropriate.

The reference material to be used in the bioavailability or bioequivalence study is appropriate.

The proposed chemical and statistical analytical methods are adequate.

General inquiries relating to in vivo bioavailability requirements and methodology shall be submitted to the Food and Drug Administration, Center for Drug Evaluation and Research, Office of Clinical Pharmacology, 10903 New Hampshire Ave., Silver Spring, MD 20993-0002.

General inquiries relating to bioequivalence requirements and methodology shall be submitted to the Food and Drug Administration, Center for Drug Evaluation and Research, Division of Bioequivalence (HFD-650), 7500 Standish Pl., Rockville, MD 20855-2773.

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§ 320.29 - Analytical methods for an in vivo bioavailability or bioequivalence study.

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§ 320.31 - Applicability of requirements regarding an “Investigational New Drug Application.”