Retrospective analysis of carcinogenicity assessments within FDA-notified GRAS determinations

Author:

Rahmani Khatera1,Wu Yen-Ching2,Buck Neil R.3,Lau Alexandria4,Hanlon Paul R.5ORCID

Affiliation:

1. Mars Incorporated, McLean, VA, USA

2. Independent Scholar, Acton, MA, USA

3. General Mills Inc, Vaud, Switzerland

4. Independent Scholar, Yuma, AZ, USA

5. Abbott Nutrition, Columbus, OH, USA

Abstract

Frameworks have been developed to standardize the assessment of carcinogenic potential in the pharmaceutical and agrochemical industries, building upon decades of research. Carcinogenicity is also evaluated during the safety evaluation of food substances, using a comprehensive approach unique to each substance. To better understand these approaches, a retrospective assessment was conducted on the publicly available database of substances notified to the United States Food and Drug Administration (US FDA) as being Generally Recognized As Safe (GRAS). The data contained within these GRAS notifications (GRNs) were reviewed for the methods used to evaluate carcinogenic potential (genotoxicity studies, 2-year bioassays, other pre-clinical animal studies) to identify patterns that could provide an understanding of how this assessment has been conducted for different categories of food substances. While different approaches to the safety evaluation were required to adapt to the unique food substances, the data in all notifications supported the conclusion of safety. The evaluation of food substances for carcinogenic potential must consider all available data, including identifying the need for when more data must be generated to support an evaluation. Due to the complexity of substances used in food, ranging from defined chemical entities to minimally processed agricultural commodities to live microorganisms, the approach to conducting the safety evaluation of food substances must be able to adapt to the most relevant scientifically supported approach. This paper illustrates the data commonly used to support the safety of different types of food substances and proposes an approach familiar to other product sectors.

Publisher

SAGE Publications

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