Current Scientific and Regulatory Approaches for Development of Orally Inhaled and Nasal Drug Products: Overview of the IPAC-RS/University of Florida Orlando Inhalation Conference
Journal Title: The AAPS Journal - Year 2015, Vol 17, Issue 5
Abstract
This article summarizes discussions at the March 2014 conference organized by the University of Florida (UF) and International Pharmaceutical Aerosol Consortium on Regulation and Science (IPAC-RS), entitled “Orlando Inhalation Conference: Approaches in International Regulation.” The special focus of the conference was on global scientific and regulatory issues associated with the testing and demonstration of equivalence for the registration of orally inhaled drug products (OIDPs) in the United States, Europe, Brazil, China, and India. The scope included all types of OIDPs throughout their lifecycle, e.g., innovator/brand-name products, generics, modifications due to lifecycle management, device changes, etc. Details were presented for the U.S. “weight of evidence approach” for registration of generic products (which includes demonstration of in vitro and in vivo equivalence, as well as quantitative and qualitative sameness, and device similarity). The European “stepwise” approach was elucidated, and the thinking of regulatory agencies in the major emerging markets was clarified. The conference also highlighted a number of areas that would benefit from further research and discussion, especially around patient/device interface and human factor studies, statistical methods and criteria for demonstrating equivalence, the relative roles of in vivo and in vitro tests, and appropriate designs and metrics for in vivo studies of inhaled drugs.
Authors and Affiliations
Guenther Hochhaus, Craig Davis-Cutting, Martin Oliver, Sau L. Lee, Svetlana Lyapustina
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