November 4, 2025
OECD Preparing Guidance on In Vitro Testing for Intestinal Fate of Orally Ingested Nanomaterials
The Organisation for Economic Co-operation and Development (OECD) has published a draft guidance document on in vitro testing for intestinal fate of orally ingested nanomaterials. According to OECD, the new guidance document “would establish a conceptual framework and procedures for determining intestinal fate of orally ingested nanomaterials using an integrated in vitro approach simulating the human [gastrointestinal tract] environment.” The primary objective of the draft guidance document...