
FDA reviews a proposed Keytruda biosimilar, Roche expands its obesity pipeline with an RNAi deal, and guselkumab shows promise for fistula remission in Crohn disease.
Elemental impurity testing is essential to deliver safe drug products to patients and is a regulatory requirement. It is important to assess the risk of elemental impurities from all sources in the manufacturing process, including process equipment, water, container/packaging, raw materials, drug substances, and the final drug product.






