
FDA issued a draft guidance, entitled ?Q11 Development and Manufacture of Drug Substances,? which is now available for comment according to a notice published on June 29, 2011, in the Federal Register. The draft guidance was developed in conjunction with the International Conference on Harmonization of Technical Requirements for Registration of Pharmaceuticals for Human Use (ICH), and describes approaches to developing process and drug substance understanding. It also provides guidance on what information should be provided in certain sections of the Common Technical Document (CTD).
